freecalypso-sw: nuc-fw/nucleus/sdc.c annotate

annotate nuc-fw/nucleus/sdc.c @ 120:e7d4ec9c4c32

All of RVF compiles

author	Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date	Thu, 31 Oct 2013 00:17:12 +0000
parents	947b1f473960
children

rev	line source
79 947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1 /**************************************************************************
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	2 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	3 * Copyright Mentor Graphics Corporation 2002
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	4 * All Rights Reserved.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	5 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	6 * THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	7 * THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	8 * SUBJECT TO LICENSE TERMS.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	9 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	10 ***************************************************************************
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	11 ***************************************************************************
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	12 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	13 * FILE NAME VERSION
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	14 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	15 * sdc.c Nucleus PLUS\ARM925\Code Composer 1.14.1
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	16 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	17 * DESCRIPTION
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	18 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	19 * This file contains the Serial Driver specific functions.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	20 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	21 * DATA STRUCTURES
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	22 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	23 * SD_PORT * : An array of pointers to serial port structures.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	24 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	25 * FUNCTIONS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	26 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	27 * SDC_Init_Port
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	28 * SDC_Date_Ready
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	29 * SDC_Put_String
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	30 * SDC_LISR
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	31 * SDC_Get_Char
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	32 * SDC_Put_Char
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	33 * SDC_Set_Baud_Rate
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	34 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	35 * DEPENDENCIES
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	36 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	37 * nucleus.h
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	38 * sd_defs.h
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	39 * sd_extr.h
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	40 * target.h
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	41 * protocol.h
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	42 * externs.h
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	43 * ppp.h
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	44 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	45 * HISTORY
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	46 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	47 * NAME DATE REMARKS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	48 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	49 * B. Ronquillo 08-28-2002 Released version 1.14.1
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	50 ****************************************************************************/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	51
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	52 #include "nucleus.h"
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	53 #include "sd_defs.h"
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	54 #include "sd_extr.h"
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	55 #include "calirq.h"
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	56
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	57 #ifdef NU_ENABLE_PPP
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	58
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	59 #include "net\target.h"
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	60 #include "net\inc\externs.h"
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	61 #include "net\inc\tcp_errs.h"
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	62 #include "ppp\inc\ppp.h"
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	63
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	64 #endif /* NU_ENABLE_PPP */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	65
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	66 extern NU_MEMORY_POOL System_Memory;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	67
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	68 /* Define a small array to hold pointers to the two UART data
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	69 structures. This is used by the LISR to find the correct
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	70 data structure for the interrupt being handled. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	71 SD_PORT *SDC_Port_List[SD_MAX_UARTS];
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	72
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	73
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	74 /* Define prototypes for functions local to this module. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	75
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	76 /************** Begin Port Specific Section ************/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	77 #ifdef GRAFIX_MOUSE
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	78 extern NU_HISR Mouse_HISR;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	79 #endif
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	80 /************** End Port Specific Section ************/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	81
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	82 static VOID SDC_Set_Baud_Rate(UINT32, SD_PORT *);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	83 /***************************************************************************
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	84 * FUNCTION
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	85 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	86 * SDC_Init_Port
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	87 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	88 * DESCRIPTION
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	89 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	90 * This function intializes the COM port that will be used for PPP
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	91 * communications.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	92 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	93 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	94 * INPUTS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	95 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	96 * SD_PORT * : device initialization structure.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	97 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	98 * OUTPUTS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	99 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	100 * STATUS : Returns NU_SUCCESS if successful initialization,
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	101 * else a negative value is returned.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	102 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	103 ****************************************************************************/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	104 STATUS SDC_Init_Port(SD_PORT *uart)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	105 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	106 STATUS status = NU_SUCCESS;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	107 INT32 int_level, /* old interrupt level */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	108 tInt;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	109 UINT8 temp_byte;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	110 UINT32 temp_word, int_val;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	111 CHAR sem_name[8];
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	112 static INT num_ports = 0;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	113 VOID (old_lisr)(INT); / old LISR */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	114
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	115 #ifdef GRAFIX_MOUSE
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	116 if ((uart->communication_mode == SERIAL_MODE) \|\|
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	117 (uart->communication_mode == SERIAL_MOUSE))
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	118 #else
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	119 if (uart->communication_mode == SERIAL_MOUSE)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	120 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	121 status = NU_INVALID_MOUSE_MODE;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	122 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	123 else if (uart->communication_mode == SERIAL_MODE)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	124 #endif
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	125
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	126 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	127
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	128 /* Check for max allowed UARTS. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	129 if (num_ports >= SD_MAX_UARTS)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	130
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	131 /* We have already initialized the max allowed UARTS. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	132 status = NU_UART_LIST_FULL;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	133 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	134
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	135 if (status != NU_SUCCESS)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	136 return (status);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	137
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	138 /* Check the supplied parity */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	139 else if ((uart->parity != SD_PARITY_NONE) &&
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	140 (uart->parity != SD_PARITY_EVEN) &&
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	141 (uart->parity != SD_PARITY_ODD))
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	142
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	143 /* The supplied parity is not valid */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	144 status = NU_INVALID_PARITY;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	145
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	146 /* Check the supplied number of data bits */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	147 else if ((uart->data_bits != SD_DATA_BITS_7) &&
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	148 (uart->data_bits != SD_DATA_BITS_8))
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	149
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	150 /* The supplied data bits value is not valid */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	151 status = NU_INVALID_DATA_BITS;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	152
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	153 /* Check the supplied number of stop bits */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	154 else if ((uart->stop_bits != SD_STOP_BITS_1) &&
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	155 (uart->stop_bits != SD_STOP_BITS_2))
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	156
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	157 /* The supplied stop bits value is not valid */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	158 status = NU_INVALID_STOP_BITS;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	159
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	160 /* Verify the baud rate is within acceptable range */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	161 else if ((uart->baud_rate < 300) \|\| (uart->baud_rate > 115200))
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	162
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	163 /* The baud rate is out of range */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	164 status = NU_INVALID_BAUD;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	165
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	166 /************ Begin Port Specific Section **************/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	167
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	168 /* Validate the com port. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	169 else if ((uart->com_port == SD_UART1) \|\|
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	170 (uart->com_port == SD_UART2))
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	171 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	172 /* Handle UARTA */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	173 if (uart->com_port == SD_UART_MODEM)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	174 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	175 /* Set the vector inside this structure */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	176 uart->vector = IRQ_UART_MODEM;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	177
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	178 /* Set the base address for this UART. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	179 uart->base_address = SD_UART_MODEM_BASE;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	180 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	181 else /* Otherwise handle UARTB. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	182 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	183 /* Set the vector inside this structure */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	184 uart->vector = IRQ_UART_IRDA;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	185
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	186 /* Set the base address for this UART. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	187 uart->base_address = SD_UART_IRDA_BASE;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	188 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	189 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	190 else
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	191
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	192 /************ End Port Specific Section ************/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	193
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	194 /* Not a supported port. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	195 status = NU_INVALID_COM_PORT;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	196
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	197 #ifdef GRAFIX_MOUSE
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	198 if ((uart->communication_mode == SERIAL_MODE) \|\|
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	199 (uart->communication_mode == SERIAL_MOUSE))
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	200 #else
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	201 if (uart->communication_mode == SERIAL_MODE)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	202 #endif
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	203
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	204 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	205 /* Make sure the port was valid and the LISR was
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	206 registered. Then create the semaphore used to make
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	207 the SD_Put_String service thread safe. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	208 if (status == NU_SUCCESS)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	209 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	210 /* Allocate memory for the semaphore control block. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	211 status = NU_Allocate_Memory(&System_Memory,(VOID**) &uart->sd_semaphore,
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	212 sizeof(NU_SEMAPHORE), NU_NO_SUSPEND);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	213
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	214 #if 0
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	215 /* original code */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	216 for(tInt=0; tInt < sizeof(NU_SEMAPHORE); tInt++)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	217 /* Fixed SPR 211. Changed type from (UINT32) to (CHAR ) /
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	218 SD_OUTBYTE((CHAR *) uart->sd_semaphore + tInt, 0x00);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	219 #else
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	220 bzero(uart->sd_semaphore, sizeof(NU_SEMAPHORE));
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	221 #endif
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	222
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	223 if (status == NU_SUCCESS)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	224 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	225 /* Build the name. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	226 sem_name[0] = 's';
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	227 sem_name[1] = 'e';
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	228 sem_name[2] = 'r';
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	229 sem_name[3] = 'i';
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	230 sem_name[4] = 'a';
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	231 sem_name[5] = 'l';
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	232 sem_name[6] = '_';
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	233 sem_name[7] = (CHAR)(0x30 + num_ports);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	234
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	235 status = NU_Create_Semaphore (uart->sd_semaphore, sem_name,
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	236 1, NU_FIFO);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	237 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	238 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	239
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	240 /* Make sure all the above was completed. Then store off this
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	241 UART stucture and initialize the chip. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	242 if (status == NU_SUCCESS)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	243 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	244 SDC_Port_List[num_ports++] = uart;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	245 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	246 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	247
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	248 if (status == NU_SUCCESS)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	249 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	250 /* Allocate memory for the data buffers. PPP only requires a TX
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	251 buffer so the allocation will be a little different for PPP mode. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	252 #ifdef GRAFIX_MOUSE
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	253 if ((uart->communication_mode == SERIAL_MODE) \|\|
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	254 (uart->communication_mode == SERIAL_MOUSE))
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	255 #else
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	256 if (uart->communication_mode == SERIAL_MODE)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	257 #endif
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	258
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	259 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	260 status = NU_Allocate_Memory (&System_Memory,(VOID**) &uart->tx_buffer,
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	261 (2 * uart->sd_buffer_size), NU_NO_SUSPEND);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	262
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	263 /* Set the RX buffer to just past the TX buffer. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	264 uart->rx_buffer = (CHAR *)(uart->tx_buffer + uart->sd_buffer_size);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	265 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	266 else
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	267 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	268 status = NU_Allocate_Memory (&System_Memory,(VOID**) &uart->tx_buffer,
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	269 uart->sd_buffer_size, NU_NO_SUSPEND);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	270 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	271
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	272 if (status == NU_SUCCESS)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	273 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	274 /* Setup the RX SD buffer */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	275 uart->rx_buffer_read = uart->rx_buffer_write = 0;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	276
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	277 uart->rx_buffer_status = NU_BUFFER_EMPTY;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	278
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	279 /* Setup the TX SD buffer */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	280 uart->tx_buffer_read = uart->tx_buffer_write = 0;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	281 uart->tx_buffer_status = NU_BUFFER_EMPTY;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	282 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	283 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	284
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	285 if (status == NU_SUCCESS)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	286 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	287 /* Disable interrupts */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	288 int_level = NU_Local_Control_Interrupts(NU_DISABLE_INTERRUPTS);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	289
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	290 /* Initialize the UART */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	291
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	292 /************ Begin Port Specific Section ***********/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	293
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	294 /* Configure the Mode Definition Register */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	295 /* Set the serial port to UART mode */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	296 SD_OUTBYTE(uart->base_address + MDR_OFFSET, MDR_UART_MODE);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	297
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	298 /* Reset the TX/RX FIFOs */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	299 SD_OUTBYTE(uart->base_address + FCR_OFFSET, FCR_FIFO_RESET);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	300
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	301 /* Setup baud rate */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	302 SDC_Set_Baud_Rate(uart->baud_rate, uart);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	303
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	304 /* Set the modem control register. Set DTR, RTS to output to LOW,
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	305 and set INT output pin to normal operating mode */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	306 SD_OUTBYTE (uart->base_address + MCR_OFFSET, (MCR_DTR_LOW \| MCR_RTS_LOW));
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	307
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	308 /* Setup parity, data bits, and stop bits */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	309 SD_OUTBYTE (uart->base_address + LCR_OFFSET,
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	310 (LCR_NO_BREAK\|uart->parity\|uart->data_bits\|uart->stop_bits ));
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	311
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	312 /* Setup Fifo trigger level and enable FIFO */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	313 SD_OUTBYTE (uart->base_address + FCR_OFFSET, 0);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	314
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	315 /* Register the interrupt handler for the UART receiver */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	316 status = NU_Register_LISR(uart->vector, SDC_LISR, &old_lisr);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	317
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	318 if (status == NU_SUCCESS)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	319 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	320 /* Enable the RX interrupts */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	321 SD_OUTBYTE (uart->base_address + IER_OFFSET, IER_RX_HOLDING_REG);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	322
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	323 if(uart->com_port == SD_UART_MODEM)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	324 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	325 /* Enable the UART interrupt globally */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	326 INTH_REGS.ilr_irq[IRQ_UART_MODEM] = 0x7C;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	327 INTH_REGS.mask_it_reg1 &= ~(1 << IRQ_UART_MODEM);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	328 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	329 else /* Handle UART B */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	330 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	331 /* Enable the UART interrupt globally */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	332 INTH_REGS.ilr_irq[IRQ_UART_IRDA] = 0x7C;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	333 INTH_REGS.mask_it_reg2 &= ~(1 << (IRQ_UART_IRDA - 16));
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	334 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	335
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	336 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	337
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	338 /************ End Port Specific Section ***********/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	339
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	340
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	341 /* Initialize the error counters. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	342 uart->parity_errors =
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	343 uart->frame_errors =
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	344 uart->overrun_errors =
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	345 uart->busy_errors =
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	346 uart->general_errors = 0;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	347
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	348 /* Restore interrupts to previous level */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	349 NU_Local_Control_Interrupts(int_level);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	350 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	351
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	352 return (status);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	353 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	354 /***************************************************************************
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	355 * FUNCTION
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	356 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	357 * SDC_Put_Char
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	358 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	359 * DESCRIPTION
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	360 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	361 * This writes a character out to the serial port.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	362 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	363 * INPUTS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	364 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	365 * UINT8 : Character to to be written to the serial port.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	366 * SD_PORT * : Serial port to send the char to.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	367 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	368 * OUTPUTS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	369 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	370 * none
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	371 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	372 ****************************************************************************/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	373 VOID SDC_Put_Char(UINT8 ch, SD_PORT *uart)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	374 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	375 INT int_level; /* old interrupt level */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	376 UINT32 temp_long;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	377
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	378 #ifdef GRAFIX_MOUSE
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	379 if ((uart->communication_mode == SERIAL_MODE) \|\|
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	380 (uart->communication_mode == SERIAL_MOUSE))
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	381 #else
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	382 if (uart->communication_mode == SERIAL_MODE)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	383 #endif
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	384
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	385 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	386 /* If the buffer is full wait for it to empty a little. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	387 while (uart->tx_buffer_status == NU_BUFFER_FULL);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	388
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	389 /* Disable interrupts */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	390 int_level = NU_Local_Control_Interrupts(NU_DISABLE_INTERRUPTS);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	391
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	392 /* Check the transmit buffer status. If it has data already
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	393 just add this byte to the buffer. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	394 if ( uart->tx_buffer_status != NU_BUFFER_EMPTY)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	395 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	396 /* Add byte to buffer. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	397 uart->tx_buffer[uart->tx_buffer_write++] = ch;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	398
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	399 /* Check for wrap of buffer. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	400 if(uart->tx_buffer_write == uart->sd_buffer_size)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	401 uart->tx_buffer_write = 0;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	402
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	403 /* Check for full buffer. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	404 if (uart->tx_buffer_write == uart->tx_buffer_read)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	405 uart->tx_buffer_status = NU_BUFFER_FULL;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	406
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	407 /* Restore interrupts to previous level */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	408 NU_Local_Control_Interrupts(int_level);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	409 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	410 else
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	411 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	412 /* Otherwise send the data. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	413
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	414 /* Restore interrupts to previous level */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	415 NU_Local_Control_Interrupts(int_level);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	416
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	417 /* Add byte to buffer. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	418 uart->tx_buffer[uart->tx_buffer_write++] = ch;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	419
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	420 /* Check for wrap of buffer. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	421 if(uart->tx_buffer_write == uart->sd_buffer_size)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	422 uart->tx_buffer_write = 0;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	423
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	424 /* Set status */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	425 uart->tx_buffer_status = NU_BUFFER_DATA;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	426
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	427 /************** Begin Port Specific Section ************/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	428
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	429 /* Wait until the transmitter buffer is empty */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	430 while (!(SD_INBYTE (uart->base_address + LSR_OFFSET) & LSR_TX_HOLD_EMPTY));
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	431
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	432 /* Transmit the character */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	433 SD_OUTBYTE (uart->base_address + THR_OFFSET, ch);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	434
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	435 /* Enable the TX interrupts */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	436 temp_long = SD_INBYTE (uart->base_address + IER_OFFSET);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	437 temp_long \|= IER_TX_HOLDING_REG;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	438 SD_OUTBYTE (uart->base_address + IER_OFFSET, temp_long);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	439
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	440 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	441
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	442 } /* endif mode */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	443 else
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	444 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	445 /* Wait until the transmitter buffer is empty */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	446 while (!(SD_INBYTE (uart->base_address + LSR_OFFSET) & LSR_TX_HOLD_EMPTY));
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	447
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	448 /* Transmit the character */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	449 SD_OUTBYTE (uart->base_address + THR_OFFSET, ch);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	450
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	451 #ifndef PPP_POLLED_TX
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	452
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	453 /* Enable the TX interrupts */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	454 temp_long = SD_INBYTE (uart->base_address + IER_OFFSET);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	455 temp_long \|= IER_TX_HOLDING_REG;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	456 SD_OUTBYTE (uart->base_address + IER_OFFSET, temp_long);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	457
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	458 #endif /* PPP_POLLED_TX */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	459
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	460
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	461 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	462
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	463 /*************** End Port Specific Section *************/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	464
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	465 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	466
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	467 /***************************************************************************
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	468 * FUNCTION
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	469 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	470 * SDC_LISR
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	471 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	472 * DESCRIPTION
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	473 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	474 * This is the entry function for the receive ISR that services the UART
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	475 * in the ARM925.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	476 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	477 * INPUTS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	478 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	479 * INT : Interrupt vector
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	480 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	481 * OUTPUTS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	482 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	483 * none
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	484 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	485 ****************************************************************************/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	486 VOID SDC_LISR(INT vector)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	487 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	488
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	489 SD_PORT *uart;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	490 CHAR receive;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	491 UINT8 status;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	492 UINT8 int_status;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	493 UINT8 vector_found = NU_FALSE;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	494 UINT8 ier_val;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	495
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	496
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	497 #ifdef NU_ENABLE_PPP
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	498 DV_DEVICE_ENTRY *device;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	499 #endif /* NU_ENABLE_PPP */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	500
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	501 for(receive = 0 ; (SDC_Port_List[receive] != NU_NULL) &&
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	502 (receive < SD_MAX_UARTS) && !vector_found ; receive++)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	503 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	504 /* See if we found one. Better have since we got an interrupt
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	505 from one. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	506 if (SDC_Port_List[receive] -> vector == vector)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	507 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	508 /* Point our local structure to it. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	509 uart = SDC_Port_List[receive];
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	510 vector_found = NU_TRUE;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	511 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	512 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	513
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	514 #ifdef NU_ENABLE_PPP
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	515
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	516 /* Find the device for this interrupt */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	517 if ( (device = DEV_Get_Dev_For_Vector(vector)) != NU_NULL)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	518 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	519 /* Get the address of the uart structure for this device. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	520 uart = &((PPP_LAYER *) device->ppp_layer)->uart;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	521 vector_found = NU_TRUE;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	522 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	523
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	524 #endif /* NU_ENABLE_PPP */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	525
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	526 if (vector_found == NU_TRUE)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	527 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	528 /************** Begin Port Specific Section ************/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	529
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	530 /* Get the interrupt status register value */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	531 int_status = SD_INBYTE(uart->base_address + IIR_OFFSET);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	532
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	533 /* Loop until all interrupts are processed */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	534 while (!(int_status & IIR_PENDING))
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	535 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	536 /* Check for a receive interrupt */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	537 if (((int_status & IIR_RX_LINE_STAT) ==IIR_RX_LINE_STAT) \|\|
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	538 ((int_status & IIR_RX_RDY) ==IIR_RX_RDY) \|\|
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	539 ((int_status & IIR_RX_TIMEOUT) ==IIR_RX_TIMEOUT) )
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	540 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	541 /* Process every character in the receive FIFO */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	542 status = SD_INBYTE(uart->base_address + LSR_OFFSET);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	543
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	544 while (status & LSR_RX_DATA_READY)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	545 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	546 /* Get character from receive FIFO */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	547 receive = SD_INBYTE (uart->base_address + RHR_OFFSET);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	548
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	549 /* Check if receive character has errors */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	550 if (status & (LSR_FRAMING_ERROR \| LSR_PARITY_ERROR))
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	551 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	552 /* Increment parity errors if necessary */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	553 uart->parity_errors += ((status & LSR_PARITY_ERROR) == LSR_PARITY_ERROR);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	554
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	555 /* Increment framing errors if necessary */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	556 uart->frame_errors += ((status & LSR_FRAMING_ERROR) == LSR_FRAMING_ERROR);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	557 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	558 else // no framing or parity errors
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	559 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	560 /* Increment overrun errors if necessary */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	561 uart->overrun_errors += ((status & LSR_RX_DATA_READY) == LSR_RX_DATA_READY);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	562
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	563 /* Switch based on UART mode */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	564 switch(uart->communication_mode)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	565 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	566 case SERIAL_MODE:
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	567
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	568 if (uart->rx_buffer_status != NU_BUFFER_FULL)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	569 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	570
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	571 /* Put the character into the buffer */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	572 uart->rx_buffer[uart->rx_buffer_write++] = receive;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	573
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	574 /* Check for wrap of buffer. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	575 if(uart->rx_buffer_write == uart->sd_buffer_size)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	576 uart->rx_buffer_write = 0;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	577
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	578 /* Set status field based on latest character */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	579 if (uart->rx_buffer_write == uart->rx_buffer_read)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	580 uart->rx_buffer_status = NU_BUFFER_FULL;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	581 else
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	582 uart->rx_buffer_status = NU_BUFFER_DATA;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	583 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	584 else
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	585 uart->busy_errors++;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	586
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	587 break;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	588
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	589 #ifdef NU_ENABLE_PPP
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	590 /* call PPP processing functions */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	591
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	592 case MDM_NETWORK_COMMUNICATION:
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	593 /* Call this devices receive routine */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	594 device->dev_receive(device);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	595 break;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	596
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	597 case MDM_TERMINAL_COMMUNICATION:
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	598 default:
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	599 MDM_Receive(device);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	600 break;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	601 #endif /* NU_ENABLE_PPP */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	602 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	603 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	604
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	605 /* Check the rx buffer status again... */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	606 status = SD_INBYTE(uart->base_address + LSR_OFFSET);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	607
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	608 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	609
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	610 } // if ((status & IIR_TYPE_MASK) == IIR_Rx_Rdy)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	611
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	612
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	613 int_status = SD_INBYTE(uart->base_address + IER_OFFSET);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	614
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	615 if (int_status & IER_TX_HOLDING_REG)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	616 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	617 if (uart->communication_mode == SERIAL_MODE)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	618 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	619 /* Bump the read pointer past the byte that was just
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	620 transmitted. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	621 ++(uart->tx_buffer_read);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	622
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	623 /* Check for wrap of buffer. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	624 if(uart->tx_buffer_read == uart->sd_buffer_size)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	625 uart->tx_buffer_read = 0;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	626
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	627 /* Update the status. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	628 if (uart->tx_buffer_write == uart->tx_buffer_read)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	629 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	630 uart->tx_buffer_status = NU_BUFFER_EMPTY;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	631
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	632 /* Since it is now empty disable the TX interrupt! */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	633 ier_val = SD_INBYTE(uart->base_address + IER_OFFSET);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	634 ier_val &= ~IER_TX_HOLDING_REG;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	635 SD_OUTBYTE(uart->base_address + IER_OFFSET, ier_val);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	636 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	637 else
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	638 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	639
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	640 /* Wait until the transmitter buffer is empty */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	641 while (!(SD_INBYTE (uart->base_address + LSR_OFFSET) & LSR_TX_HOLD_EMPTY));
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	642
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	643 /* Send the next byte in the queue. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	644 SD_OUTBYTE(uart->base_address + THR_OFFSET, uart->tx_buffer[uart->tx_buffer_read]);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	645
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	646 /* Update the status. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	647 uart->tx_buffer_status = NU_BUFFER_DATA;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	648 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	649 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	650 #ifdef NU_ENABLE_PPP
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	651 else
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	652 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	653 #ifndef PPP_POLLED_TX
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	654 /* Check for a transmit interrupt. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	655 /* Is there another byte in the TX buffer to send? */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	656 if (uart->tx_buffer_read != uart->tx_buffer_write)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	657 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	658 /* Wait until the transmitter buffer is empty */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	659 while (!(SD_INBYTE (uart->base_address + LSR_OFFSET) & LSR_TX_HOLD_EMPTY));
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	660
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	661 /* Send the next byte in the queue. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	662 SD_OUTBYTE (uart->base_address + THR_OFFSET, uart->tx_buffer[uart->tx_buffer_read++]);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	663
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	664 /* Check for wrap of buffer. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	665 uart->tx_buffer_read %= uart->sd_buffer_size;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	666 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	667 else
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	668 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	669
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	670 /* Since it is now empty disable the TX interrupt! */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	671 ier_val = SD_INBYTE (uart->base_address + IER_OFFSET);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	672 ier_val &= ~IER_TX_HOLDING_REG;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	673 SD_OUTBYTE (uart->base_address + IER_OFFSET, ier_val);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	674
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	675 /* Only activate the HISR if we are tranmitting
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	676 network data. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	677 if (uart->communication_mode == MDM_NETWORK_COMMUNICATION)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	678 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	679 /* Add this device to the list of PPP devices that have finished
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	680 sending a packet. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	681 _ppp_tx_dev_ptr_queue [_ppp_tx_dev_ptr_queue_write++] = device;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	682
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	683 /* Activate the HISR that will take care of processing the
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	684 next packet in queue, if one is ready. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	685 NU_Activate_HISR (&PPP_TX_HISR);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	686
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	687 /* Check for wrap of ring buffer. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	688
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	689 _ppp_tx_dev_ptr_queue_write %= PPP_MAX_TX_QUEUE_PTRS;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	690
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	691 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	692 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	693 #endif /* PPP_POLLED_TX */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	694 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	695 #endif /* NU_ENABLE_PPP */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	696 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	697
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	698 /* Get the interrupt status register value */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	699 int_status = SD_INBYTE(uart->base_address + IIR_OFFSET);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	700 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	701
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	702 /************** End Port Specific Section ************/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	703
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	704 /* No port is associated with the vector */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	705 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	706 else
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	707 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	708 ERC_System_Error(NU_UNHANDLED_INTERRUPT);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	709 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	710 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	711
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	712 /****************************************************************************
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	713 * FUNCTION
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	714 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	715 * SDC_Set_Baud_Rate
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	716 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	717 * DESCRIPTION
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	718 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	719 * This function sets the UART buad rate.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	720 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	721 * INPUTS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	722 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	723 * UINT32 : The new baud rate.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	724 * SD_PORT * : Serial port to set the baud rate.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	725 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	726 * OUTPUTS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	727 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	728 * none
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	729 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	730 ****************************************************************************/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	731 VOID SDC_Set_Baud_Rate(UINT32 baud_rate, SD_PORT *uart)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	732 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	733 UNSIGNED baud_div;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	734 UINT32 temp_long;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	735
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	736 /************** Begin Port Specific Section ************/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	737
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	738 /* Write to the divisor latch bit to enable the DLH and DLL registers */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	739 temp_long = SD_INBYTE(uart->base_address + LCR_OFFSET);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	740 SD_OUTBYTE (uart->base_address + LCR_OFFSET, LCR_DIV_EN);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	741
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	742 /* Set the baud rate */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	743 baud_div = 115200 * 7 / uart->baud_rate;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	744
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	745 /* Put LSB in DLL Reg */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	746 SD_OUTBYTE (uart->base_address + DLL_OFFSET, baud_div);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	747
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	748 /* Put MSB in DLH Reg */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	749 SD_OUTBYTE (uart->base_address + DLH_OFFSET, (baud_div >> 8));
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	750
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	751 /* Disable the Divisor Latch bit */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	752 SD_OUTBYTE (uart->base_address + LCR_OFFSET, temp_long & ~LCR_DIV_EN);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	753 /************** End Port Specific Section **************/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	754
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	755 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	756 /****************************************************************************
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	757 * FUNCTION
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	758 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	759 * SDC_Get_Char
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	760 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	761 * DESCRIPTION
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	762 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	763 * This function reads the last received character from the UART.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	764 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	765 * INPUTS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	766 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	767 * SD_PORT * : Serial port to get the char from.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	768 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	769 * OUTPUTS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	770 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	771 * CHAR : Character read
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	772 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	773 ****************************************************************************/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	774 CHAR SDC_Get_Char(SD_PORT *uart)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	775 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	776 CHAR ch = NU_NULL;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	777
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	778 #ifdef GRAFIX_MOUSE
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	779 if ((uart->communication_mode == SERIAL_MODE) \|\|
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	780 (uart->communication_mode == SERIAL_MOUSE))
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	781 #else
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	782 if (uart->communication_mode == SERIAL_MODE)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	783 #endif
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	784
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	785 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	786 if ((uart->rx_buffer_status == NU_BUFFER_FULL) \|\|
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	787 (uart->rx_buffer_status == NU_BUFFER_DATA))
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	788 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	789 /* Store the character to be returned */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	790 ch = uart->rx_buffer[uart->rx_buffer_read++];
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	791
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	792 /* If read pointer is at end, wrap it around */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	793 if (uart->rx_buffer_read == uart->sd_buffer_size)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	794 uart->rx_buffer_read = 0;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	795
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	796 /* Set the status to reflect removal of the character */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	797 if (uart->rx_buffer_write == uart->rx_buffer_read)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	798 uart->rx_buffer_status = NU_BUFFER_EMPTY;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	799 else
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	800 uart->rx_buffer_status = NU_BUFFER_DATA;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	801 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	802
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	803 return (ch);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	804 } /* endif mode */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	805
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	806 #ifdef NU_ENABLE_PPP
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	807 else if (uart->communication_mode == MDM_TERMINAL_COMMUNICATION \|\|
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	808 uart->communication_mode == MDM_NETWORK_COMMUNICATION)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	809
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	810 /************** Begin Port Specific Section ************/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	811
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	812 return ((UINT8)SD_INBYTE (uart->base_address + RHR_OFFSET));
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	813
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	814 /************** End Port Specific Section **************/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	815
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	816 #endif /* NU_ENABLE_PPP */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	817
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	818 /* Execution should never reach this point, this return was added
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	819 in response to the 'implicit return' compiler warning */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	820
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	821 return (ch);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	822 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	823
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	824 /****************************************************************************
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	825 * FUNCTION
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	826 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	827 * SDC_Carrier
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	828 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	829 * DESCRIPTION
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	830 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	831 * This function checks for a carrier.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	832 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	833 * INPUTS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	834 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	835 * none
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	836 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	837 * OUTPUTS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	838 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	839 * STATUS : The status of the detection.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	840 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	841 ****************************************************************************/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	842 STATUS SDC_Carrier(SD_PORT *uart)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	843 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	844 return (NU_TRUE);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	845 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	846
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	847 /****************************************************************************
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	848 Note: All functions below this point are generic and should not require
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	849 any changes to support other UARTS.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	850 ****************************************************************************/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	851
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	852 /****************************************************************************
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	853 * FUNCTION
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	854 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	855 * SDC_Put_String
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	856 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	857 * DESCRIPTION
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	858 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	859 * This writes a null-terminated string out to the serial port.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	860 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	861 * INPUTS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	862 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	863 * CHAR * : String to be written to the serial port.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	864 * SD_PORT * : Serial port to send the string to.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	865 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	866 * OUTPUTS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	867 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	868 * none
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	869 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	870 ****************************************************************************/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	871 VOID SDC_Put_String(CHAR str, SD_PORT uart)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	872 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	873
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	874 /* Grab the semaphore so that strings between threads
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	875 do not get mixed. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	876 if (NU_Obtain_Semaphore(uart->sd_semaphore, NU_SUSPEND) == NU_SUCCESS)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	877 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	878
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	879 /* Send out the string. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	880 for (; *str != 0; str++)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	881 SDC_Put_Char(*str, uart);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	882
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	883 /* Allow other threads to use this service. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	884 NU_Release_Semaphore (uart->sd_semaphore);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	885 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	886
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	887 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	888
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	889
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	890 /****************************************************************************
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	891 * FUNCTION
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	892 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	893 * SDC_Data_Ready
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	894 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	895 * DESCRIPTION
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	896 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	897 * This function checks to see if there are any characters in the
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	898 * receive buffer. A status value is returned indicating whether
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	899 * characters are present in the receive buffer.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	900 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	901 * INPUTS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	902 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	903 * SD_PORT * : Serial port to check for data.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	904 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	905 * OUTPUTS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	906 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	907 * STATUS The status indicates the
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	908 * presence of characters.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	909 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	910 ****************************************************************************/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	911 STATUS SDC_Data_Ready(SD_PORT *port)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	912 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	913 /* Check the status. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	914 if((port->rx_buffer_status == NU_BUFFER_FULL) \|\|
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	915 (port->rx_buffer_status == NU_BUFFER_DATA))
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	916
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	917 return (NU_TRUE);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	918
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	919 else
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	920
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	921 return (NU_FALSE);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	922 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	923
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	924 /****************************************************************************
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	925 * FUNCTION
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	926 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	927 * SDC_Change_Communication_Mode
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	928 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	929 * DESCRIPTION
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	930 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	931 * This function switches the serial port between terminal mode and
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	932 * network mode. The mode affects how incoming characters are directed.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	933 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	934 * INPUTS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	935 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	936 * INT : The mode of operation desired.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	937 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	938 * OUTPUTS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	939 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	940 * none
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	941 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	942 ****************************************************************************/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	943 VOID SDC_Change_Communication_Mode(INT mode, SD_PORT *uart)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	944 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	945 uart->communication_mode = mode;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	946
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	947 } /* SDC_Change_Communication_Mode */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	948
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	949 /****************************************************************************
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	950 * FUNCTION
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	951 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	952 * SDC_Reset
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	953 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	954 * DESCRIPTION
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	955 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	956 * This function intializes the data variables associated with a UART
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	957 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	958 * INPUTS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	959 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	960 * SD_PORT * : Serial port to reset
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	961 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	962 * OUTPUTS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	963 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	964 * STATUS : Returns URT_SUCCESS if successful initialization,
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	965 * else a negative value is returned.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	966 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	967 ****************************************************************************/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	968 VOID SDC_Reset (SD_PORT *uart)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	969 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	970 /* Ini the error counters */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	971 uart->frame_errors = 0;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	972 uart->overrun_errors = 0;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	973 uart->parity_errors = 0;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	974 uart->busy_errors = 0;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	975 uart->general_errors = 0;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	976 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	977
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	978 /***************************************************************************
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	979 * FUNCTION
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	980 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	981 * URT_Init_Port
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	982 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	983 * DESCRIPTION
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	984 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	985 * This function intializes the data variables associated with a UART
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	986 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	987 * INPUTS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	988 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	989 * SD_PORT * : Serial port to reset
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	990 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	991 * OUTPUTS
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	992 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	993 * STATUS : Returns URT_SUCCESS if successful initialization,
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	994 * else a negative value is returned.
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	995 *
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	996 ****************************************************************************/
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	997 #ifdef NU_ENABLE_PPP
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	998 STATUS URT_Init_Port(DV_DEVICE_ENTRY *device)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	999 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1000 SD_PORT *uart;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1001 STATUS ret_status;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1002
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1003 /* Get a pointer to the UART layer of this device. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1004 uart = &((PPP_LAYER *) device->ppp_layer)->uart;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1005
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1006 /* Init the serial port, copy init parameters from the device
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1007 structure. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1008 uart->com_port = device->dev_com_port;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1009 uart->baud_rate = device->dev_baud_rate;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1010 uart->data_bits = device->dev_data_bits;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1011 uart->stop_bits = device->dev_stop_bits;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1012 uart->parity = device->dev_parity;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1013 uart->data_mode = device->dev_data_mode;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1014 uart->vector = device->dev_vect;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1015 uart->driver_options = device->dev_driver_options;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1016 uart->communication_mode = MDM_TERMINAL_COMMUNICATION;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1017 uart->sd_buffer_size = (2 * (PPP_MTU + PPP_FCS_SIZE +
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1018 PPP_MAX_PROTOCOL_SIZE + PPP_MAX_ADDR_CONTROL_SIZE));
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1019
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1020 /* Init the port */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1021 ret_status = NU_SD_Init_Port (uart);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1022
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1023 if (ret_status == NU_SUCCESS)
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1024 {
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1025 /* Copy the vector back into the device entry just in case
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1026 the UART driver changed it. */
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1027 device->dev_vect = uart->vector;
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1028 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1029
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1030 return (ret_status);
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1031
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1032 }
947b1f473960 beginning of nuc-fw Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1033 #endif /* NU_ENABLE_PPP */

FreeCalypso > hg > freecalypso-sw

annotate nuc-fw/nucleus/sdc.c @ 120:e7d4ec9c4c32