fc-magnetite: src/cs/drivers/drv_core/uart/uart.c annotate

author	Mychaela Falconia <falcon@freecalypso.org>
date	Sun, 25 Sep 2016 22:50:11 +0000
parents
children	beff67c568cf

rev	line source
0 945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1 /*******************************************************************************
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	3 * UART.C
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	4 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	5 * This module allows to use the UARTs of chipset 1.5 in interrupt mode for
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	6 * the Receive side and in polling mode for the Transmit side.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	7 * The driver calls a user's function when characters are received.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	8 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	9 * (C) Texas Instruments 1999
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	10 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	11 ******************************************************************************/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	12
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	13 #include "l1sw.cfg"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	14 #include "chipset.cfg"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	15 #include "board.cfg"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	16
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	17 #if (OP_L1_STANDALONE == 0)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	18 #include "main/sys_types.h"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	19 #else
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	20 #include "sys_types.h"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	21 #endif
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	22
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	23 #include "uart/traceswitch.h"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	24 #include "uart.h"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	25
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	26 #include <string.h>
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	27
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	28 #include "memif/mem.h"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	29
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	30 #if (BOARD != 34)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	31 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	32 * Needed to reset and restart the sleep timer in case of incoming characters.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	33 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	34
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	35 #if (OP_L1_STANDALONE == 1)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	36 #include "serialswitch_core.h"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	37 #else
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	38 #include "uart/serialswitch.h"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	39 #endif
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	40
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	41 extern SYS_BOOL uart_sleep_timer_enabled;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	42 #endif
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	43
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	44 #define BUFFER_SIZE (512) /* In bytes. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	45 #define FIFO_SIZE (64) /* In bytes. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	46
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	47 #define STX 0x02
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	48 #define DLE 0x10
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	49
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	50 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	51 * TLR is used to program the RX FIFO trigger levels. FCR[7:4] are not used.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	52 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	53
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	54 #define RX_FIFO_TRIGGER_LEVEL (12 << 4)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	55
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	56
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	57 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	58 * 16750 addresses. Registers accessed when LCR[7] = 0.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	59 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	60
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	61 #define RHR (0x00) /* Rx buffer register - Read access */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	62 #define THR (0x00) /* Tx holding register - Write access */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	63 #define IER (0x01) /* Interrupt enable register */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	64
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	65 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	66 * 16750 addresses. Registers accessed when LCR[7] = 1.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	67 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	68
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	69 #define DLL (0x00) /* Divisor latch (LSB) */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	70 #define DLM (0x01) /* Divisor latch (MSB) */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	71
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	72
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	73 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	74 * EFR is accessed when LCR[7:0] = 0xBF.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	75 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	76
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	77 #define EFR (0x02) /* Enhanced feature register */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	78
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	79
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	80 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	81 * 16750 addresses. Bit 5 of the FCR register is accessed when LCR[7] = 1.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	82 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	83
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	84 #define IIR (0x02) /* Interrupt ident. register - Read only */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	85 #define FCR (0x02) /* FIFO control register - Write only */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	86 #define LCR (0x03) /* Line control register */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	87 #define MCR (0x04) /* Modem control register */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	88 #define LSR (0x05) /* Line status register */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	89 #define MSR (0x06) /* Modem status register */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	90 #define TCR (0x06) /* Transmission control register */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	91 #define TLR (0x07) /* Trigger level register */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	92 #define MDR1 (0x08) /* Mode definition register 1 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	93 #define SCR (0x10) /* Supplementary Control register */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	94 #define SSR (0x11) /* Supplementary Status register */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	95
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	96
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	97 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	98 * Supplementary control register.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	99 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	100
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	101 #define TX_EMPTY_CTL_IT (0x08)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	102 #define RX_CTS_WAKE_UP_ENABLE_BIT (4) /* Use RESET_BIT and SET_BIT macros. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	103
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	104 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	105 * Enhanced feature register.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	106 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	107
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	108 #define ENHANCED_FEATURE_BIT (4) /* Use RESET_BIT and SET_BIT macros. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	109
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	110 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	111 * Mode definition register 1.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	112 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	113
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	114 #define UART_MODE (0x00)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	115 #define SIR_MODE (0x01)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	116 #define UART_MODE_AUTOBAUDING (0x02) /* Reserved in UART/IrDA. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	117 #define RESET_DEFAULT_STATE (0x07)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	118 #define IR_SLEEP_DISABLED (0x00)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	119 #define IR_SLEEP_ENABLED (0x08)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	120 #define SIR_TX_WITHOUT_ACREG2 (0x00) /* Reserved in UART/modem. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	121 #define SIR_TX_WITH_ACREG2 (0x20) /* Reserved in UART/modem. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	122 #define FRAME_LENGTH_METHOD (0x00) /* Reserved in UART/modem. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	123 #define EOT_BIT_METHOD (0x80) /* Reserved in UART/modem. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	124
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	125 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	126 * Supplementary Status Register
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	127 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	128
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	129 #define TX_FIFO_FULL (0x01)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	130
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	131
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	132 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	133 * Interrupt enable register.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	134 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	135
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	136 #define ERBI (0x01) /* Enable received data available interrupt */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	137 #define ETBEI (0x02) /* Enable transmitter holding register empty interrupt */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	138 #define ELSI (0x04) /* Enable receiver line status interrupt */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	139 #define EDSSI (0x08) /* Enable modem status interrupt */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	140 #define IER_SLEEP (0x10) /* Enable sleep mode */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	141
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	142 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	143 * Modem control register.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	144 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	145
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	146 #define MDTR (0x01) /* Data terminal ready. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	147 #define MRTS (0x02) /* Request to send. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	148 #define TCR_TLR_BIT (6)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	149
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	150 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	151 * Line status register.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	152 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	153
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	154 #define DR (0x01) /* Data ready */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	155 #define OE (0x02) /* Overrun error */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	156 #define PE (0x04) /* Parity error */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	157 #define FE (0x08) /* Framing error */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	158 #define BI (0x10) /* Break interrupt */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	159 #define THRE (0x20) /* Transmitter holding register (FIFO empty) */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	160 #define TEMT (0x40) /* Transmitter empty (FIFO and TSR both empty) */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	161
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	162 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	163 * Interrupt identification register.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	164 * Bit 0 is set to 0 if an IT is pending.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	165 * Bits 1 and 2 are used to identify the IT.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	166 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	167
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	168 #define IIR_BITS_USED (0x07)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	169 #define IT_NOT_PENDING (0x01)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	170 #define RX_DATA (0x04)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	171 #define TX_EMPTY (0x02)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	172 #define MODEM_STATUS (0x00)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	173
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	174 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	175 * Line control register.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	176 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	177
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	178 #define WLS_5 (0x00) /* Word length: 5 bits */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	179 #define WLS_6 (0x01) /* Word length: 6 bits */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	180 #define WLS_7 (0x02) /* Word length: 7 bits */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	181 #define WLS_8 (0x03) /* Word length: 8 bits */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	182 #define STB (0x04) /* Number of stop bits: 0: 1, 1: 1,5 or 2 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	183 #define PEN (0x08) /* Parity enable */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	184 #define EPS (0x10) /* Even parity select */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	185 #define BREAK_CONTROL (0x40) /* Enable a break condition */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	186 #define DLAB (0x80) /* Divisor latch access bit */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	187 #define DIV_EN_BIT (7)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	188
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	189 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	190 * FIFO control register.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	191 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	192
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	193 #define FIFO_ENABLE (0x01)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	194 #define RX_FIFO_RESET (0x02)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	195 #define TX_FIFO_RESET (0x04)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	196
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	197 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	198 * These macros allow to read and write a UART register.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	199 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	200
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	201 #define READ_UART_REGISTER(UART,REG) \
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	202 ((volatile SYS_UWORD8 ) ((UART)->base_address + (REG)))
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	203
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	204 #define WRITE_UART_REGISTER(UART,REG,VALUE) \
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	205 ((volatile SYS_UWORD8 ) ((UART)->base_address + (REG))) = (VALUE)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	206
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	207 #define RESET_BIT(UART,REG,BIT) \
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	208 (WRITE_UART_REGISTER ( \
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	209 UART, REG, READ_UART_REGISTER (UART, REG) & ~(1 << (BIT))))
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	210
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	211 #define SET_BIT(UART,REG,BIT) \
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	212 (WRITE_UART_REGISTER ( \
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	213 UART, REG, READ_UART_REGISTER (UART, REG) \| (1 << (BIT))))
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	214
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	215 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	216 * These macros allow to enable or disable the wake-up interrupt.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	217 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	218
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	219 #define ENABLE_WAKEUP_INTERRUPT(UART) \
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	220 SET_BIT(UART, SCR, RX_CTS_WAKE_UP_ENABLE_BIT);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	221
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	222 #define DISABLE_WAKEUP_INTERRUPT(UART) \
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	223 RESET_BIT(UART, SCR, RX_CTS_WAKE_UP_ENABLE_BIT);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	224
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	225
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	226 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	227 * This macro allows to know if the RX buffer is full. It must be called only
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	228 * from the RX interrupt handler. If it is called from the application, the
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	229 * rx_in pointer may be updated if a RX interrupt occurs.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	230 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	231
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	232 #define RX_BUFFER_FULL(UART) \
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	233 (((UART)->rx_in == (UART)->rx_out - 1) \|\| \
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	234 ((UART)->rx_in == (UART)->rx_out + BUFFER_SIZE - 1))
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	235
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	236
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	237 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	238 * This allows monitor the last 32 inbound buffers gotten from the RX FIFO.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	239 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	240
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	241 //#define UART_RX_BUFFER_DUMP
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	242
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	243 #ifdef UART_RX_BUFFER_DUMP
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	244 struct {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	245 char rx_buffer[(BUFFER_SIZE + 1) << 5];
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	246 char *rx_in;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	247 int errors_count;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	248 int wrong_interrupt_status;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	249 } uart_rx_buffer_dump = {0};
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	250 #endif
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	251
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	252
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	253 typedef struct s_uart {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	254
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	255 SYS_UWORD32 base_address;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	256
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	257 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	258 * Buffers management.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	259 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	260
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	261 char rx_buffer[BUFFER_SIZE + 1];
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	262 char *rx_in;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	263 char *rx_out;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	264 void (*callback_function) (void);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	265
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	266 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	267 * Errors counters.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	268 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	269
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	270 SYS_UWORD32 framing_error;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	271 SYS_UWORD32 parity_error;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	272 SYS_UWORD32 overrun_error;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	273
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	274 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	275 * Framing flags.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	276 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	277
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	278 SYS_BOOL dle_detected;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	279 SYS_BOOL inframe;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	280 SYS_BOOL encapsulation_flag;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	281 unsigned char frame_length;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	282
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	283 } t_uart;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	284
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	285 static t_uart uart_parameter[NUMBER_OF_TR_UART];
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	286
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	287 static const SYS_UWORD32 base_address[NUMBER_OF_TR_UART] =
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	288 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	289 MEM_UART_IRDA,
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	290 MEM_UART_MODEM
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	291 #if (CHIPSET == 12)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	292 , MEM_UART_MODEM2
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	293 #endif
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	294 };
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	295
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	296
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	297 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	298 * DLL (LSB) and DLH (MSB) registers values using the 13 MHz clock.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	299 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	300
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	301 static const SYS_UWORD8 dll[] =
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	302 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	303 2, /* 406250 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	304 7, /* 115200 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	305 14, /* 57600 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	306 21, /* 38400 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	307 24, /* 33900 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	308 28, /* 28800 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	309 42, /* 19200 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	310 56, /* 14400 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	311 84, /* 9600 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	312 169, /* 4800 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	313 83, /* 2400 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	314 165, /* 1200 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	315 74, /* 600 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	316 148, /* 300 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	317 40, /* 150 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	318 81 /* 75 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	319 };
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	320
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	321 static const SYS_UWORD8 dlh[] =
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	322 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	323 0, /* 406250 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	324 0, /* 115200 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	325 0, /* 57600 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	326 0, /* 38400 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	327 0, /* 33900 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	328 0, /* 28800 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	329 0, /* 19200 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	330 0, /* 14400 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	331 0, /* 9600 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	332 0, /* 4800 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	333 1, /* 2400 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	334 2, /* 1200 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	335 5, /* 600 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	336 10, /* 300 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	337 21, /* 150 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	338 42 /* 75 baud. */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	339 };
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	340
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	341
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	342 /*******************************************************************************
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	343 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	344 * read_rx_fifo
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	345 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	346 * Purpose : Check the bytes written into the RX FIFO. Characters are not
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	347 * written in the RX buffer if it is full. The HISR is called if
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	348 * enough characters are received.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	349 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	350 * Arguments: In : uart: pointer on UART structure.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	351 * Out: none
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	352 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	353 * Returns : none
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	354 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	355 ******************************************************************************/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	356
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	357 static void
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	358 read_rx_fifo (t_uart *uart)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	359 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	360 volatile SYS_UWORD8 status;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	361 int error_detected;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	362 SYS_UWORD8 char_received;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	363
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	364 #if (BOARD != 34)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	365 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	366 * Since new characters have been received, the sleep timer is reset then
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	367 * restarted preventing the system to enter deep-sleep for a new period of
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	368 * time.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	369 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	370
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	371 SER_activate_timer_hisr ();
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	372 uart_sleep_timer_enabled = 1;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	373 #endif
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	374
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	375 status = READ_UART_REGISTER (uart, LSR);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	376
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	377 while (status & DR) { /* While RX FIFO is not empty... */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	378
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	379 error_detected = 0;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	380
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	381 char_received = READ_UART_REGISTER (uart, RHR);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	382
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	383 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	384 * Check if an error (overrun, parity, framing or break) is associated with the
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	385 * received data. If there is an error the byte is not copied into the
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	386 * RX buffer.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	387 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	388
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	389 if (status & (OE \| PE \| FE \| BI)) {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	390
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	391 if (status & PE)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	392 uart->parity_error++;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	393
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	394 if (status & FE)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	395 uart->framing_error++;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	396
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	397 if (status & OE)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	398 uart->overrun_error++;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	399
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	400 error_detected = 1;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	401 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	402
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	403 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	404 * If there is no error the byte is copied into the RX
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	405 * buffer if it is not full.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	406 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	407
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	408 if (!error_detected && !RX_BUFFER_FULL (uart)) {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	409
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	410 *(uart->rx_in++) = char_received;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	411
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	412 if (uart->rx_in == &(uart->rx_buffer[0]) + BUFFER_SIZE + 1)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	413 uart->rx_in = &(uart->rx_buffer[0]);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	414
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	415 #ifdef UART_RX_BUFFER_DUMP
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	416 *(uart_rx_buffer_dump.rx_in)++ = char_received;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	417
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	418 if (uart_rx_buffer_dump.rx_in == uart_rx_buffer_dump.rx_buffer + sizeof (uart_rx_buffer_dump.rx_buffer))
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	419 uart_rx_buffer_dump.rx_in = uart_rx_buffer_dump.rx_buffer;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	420 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	421 else {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	422 uart_rx_buffer_dump.errors_count++;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	423 #endif
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	424 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	425
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	426 status = READ_UART_REGISTER (uart, LSR);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	427 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	428
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	429 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	430 * Call the user's function.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	431 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	432
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	433 if (uart->callback_function != NULL)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	434 (*(uart->callback_function)) ();
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	435 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	436
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	437 /*******************************************************************************
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	438 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	439 * initialize_uart_sleep
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	440 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	441 * Purpose : Performs basic UART hardware initialization including sleep mode.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	442 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	443 * Arguments: In : uart_id : UART id.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	444 * Out: none
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	445 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	446 * Returns: none
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	447 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	448 * Warning: Parameters are not verified.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	449 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	450 ******************************************************************************/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	451
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	452 void
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	453 initialize_uart_sleep (T_tr_UartId uart_id)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	454 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	455 t_uart *uart;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	456 int index;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	457 SYS_UWORD8 dummy;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	458
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	459 for (index = 0; index < NUMBER_OF_TR_UART; index++)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	460 uart_parameter[index].base_address = base_address[index];
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	461
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	462 uart = &(uart_parameter[uart_id]);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	463
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	464 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	465 * Mask all interrupts causes and disable sleep mode.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	466 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	467
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	468 WRITE_UART_REGISTER (uart, IER, 0x00);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	469
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	470 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	471 * Reset UART mode configuration.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	472 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	473
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	474 WRITE_UART_REGISTER (uart, MDR1, RESET_DEFAULT_STATE);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	475
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	476 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	477 * LCR[7:0] = 0xBF to allow to access EFR
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	478 * EFR[4] = 1 to allow to program IER[4].
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	479 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	480
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	481 WRITE_UART_REGISTER (uart, LCR, 0xBF);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	482 SET_BIT (uart, EFR, ENHANCED_FEATURE_BIT);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	483 WRITE_UART_REGISTER (uart, LCR, 0x83);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	484
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	485 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	486 * Enable FIFO and reset them.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	487 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	488
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	489 WRITE_UART_REGISTER (uart, FCR, FIFO_ENABLE \|
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	490 RX_FIFO_RESET \|
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	491 TX_FIFO_RESET);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	492
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	493 /*
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	494 * Program the baud generator (dummy 115200).
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	495 */
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	496
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	497 WRITE_UART_REGISTER (uart, DLL, 0x07);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	498 WRITE_UART_REGISTER (uart, DLM, 0x00);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	499
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	500 /*

0

945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem