view src/cs/services/atp/atp_uart_api.c @ 597:f18b29e27be5

First attempt at MCSI voice path automatic switching The function is implemented at the ACI level in both aci2 and aci3, successfully avoids triggering the DSP bug on the first call, but the shutdown of MCSI upon call completion is not working properly yet in either version.
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 27 Mar 2019 22:18:35 +0000
parents 945cf7f506b2
children
line wrap: on
line source

/********************************************************************************/
/*                                                                              */
/*    File Name:         atp_uart_api.c                                         */
/*                                                                              */
/*    Purpose:           This file contains the external functions related to   */
/*                       the ATP-UART interface.                                */
/*                                                                              */
/*    Note:              None.                                                  */
/*                                                                              */
/*    Revision History:                                                         */
/*       10/04/01        Pascal Pompei                                          */
/*                          - Create.                                           */
/*                                                                              */
/* (C) Copyright 2001 by Texas Instruments Incorporated, All Rights Reserved.   */
/*                                                                              */
/********************************************************************************/
#include "atp/atp_uart_i.h"
#include "rvm/rvm_use_id_list.h"


/********************************************************************************/
/*                                                                              */
/*    Function Name:     atp_uart_open_com_port                                 */
/*                                                                              */
/*    Purpose:           This function instructs the ATP-UART interface to open */
/*                       the COM port.                                          */
/*                                                                              */
/*    Input Parameters:                                                         */
/*       com_port           - Contains the COM port number.                     */
/*       baud_rate          - Contains the baud rate (in bits per second).      */
/*                                                                              */
/*    Output Parameters: None.                                                  */
/*                                                                              */
/*    Global Parameters: None.                                                  */
/*                                                                              */
/*    Note:              None.                                                  */
/*                                                                              */
/*    Revision History:                                                         */
/*       10/04/01        Pascal Pompei                                          */
/*                          - Create.                                           */
/*                                                                              */
/********************************************************************************/
T_ATP_UART_ERROR_CODES atp_uart_open_com_port (T_ATP_UART_COM_PORT   com_port,
											   T_ATP_UART_BAUD_RATE  baud_rate)
{
    /* Declare a local variable.                                                */
	T_ATP_UART_OPEN_COM_PORT  *open_com_port_p = NULL;

/******************** atp_uart_open_com_port function begins ********************/

	/* Allocate memory required to instruct the ATP-UART interface to open the  */
	/* COM port. If insufficient resources, then report an internal memory      */
	/* error and abort.                                                         */
	if (rvf_get_buf (gbl_atp_uart_ctrl_blk_p->mb_id, \
					 sizeof (T_ATP_UART_OPEN_COM_PORT), \
					 (T_RVF_BUFFER **) (&open_com_port_p)) == RVF_RED)
	{
		rvf_send_trace ("  ATP-UART (api). Insufficient resources ",
						41,
						NULL_PARAM,
						RV_TRACE_LEVEL_WARNING,
						ATP_USE_ID);
		return (RV_MEMORY_ERR);
	}

	/* Fill the 'ATP-UART Open COM Port' header up.                             */
	(open_com_port_p->os_header).msg_id        = ATP_UART_OPEN_COM_PORT;
	(open_com_port_p->os_header).src_addr_id   = RVF_INVALID_ADDR_ID;
	(open_com_port_p->os_header).callback_func = NULL;

	/* Fill the 'ATP-UART Open COM Port' payload up.                            */
	open_com_port_p->com_port  = com_port;
	open_com_port_p->baud_rate = baud_rate;

	/* Send the 'ATP-UART Open COM Port' notification to the ATP-UART           */
	/* interface.                                                               */
	return (rvf_send_msg (gbl_atp_uart_ctrl_blk_p->addr_id, \
						  open_com_port_p));

} /******************* End of atp_uart_open_com_port function *******************/


/********************************************************************************/
/*                                                                              */
/*    Function Name:     atp_uart_start_gsm                                     */
/*                                                                              */
/*    Purpose:           This function instructs the ATP-UART interface to      */
/*                       initiate using the GSM protocol stack.                 */
/*                                                                              */
/*    Input Parameters:  None.                                                  */
/*                                                                              */
/*    Output Parameters: None.                                                  */
/*                                                                              */
/*    Global Parameters: None.                                                  */
/*                                                                              */
/*    Note:              The GSM protocol stack is initialized by invoking the  */
/*                       following AT commands:                                 */
/*                          AT+CFUN=1 : Set Phone Functionality (Full),         */
/*                          AT+COPS=0 : Operator Selection.                     */
/*                                                                              */
/*    Revision History:                                                         */
/*       09/26/02        Pascal Pompei                                          */
/*                          - Create.                                           */
/*                                                                              */
/********************************************************************************/
T_ATP_UART_ERROR_CODES atp_uart_start_gsm (void)
{
    /* Declare a local variable.                                                */
	T_ATP_UART_START_GSM  *start_gsm_p = NULL;

/********************** atp_uart_start_gsm function begins **********************/

	/* Allocate memory required to instruct the ATP-UART interface to initiate  */
	/* using the GSM protocol stack. If insufficient resources, then report an  */
	/* internal memory error and abort.                                         */
	if (rvf_get_buf (gbl_atp_uart_ctrl_blk_p->mb_id, \
					 sizeof (T_ATP_UART_START_GSM), \
					 (T_RVF_BUFFER **) (&start_gsm_p)) == RVF_RED)
	{
		rvf_send_trace ("  ATP-UART (api). Insufficient resources ",
						41,
						NULL_PARAM,
						RV_TRACE_LEVEL_WARNING,
						ATP_USE_ID);
		return (RV_MEMORY_ERR);
	}

	/* Fill the 'ATP-UART Start GSM' header up.                                 */
	(start_gsm_p->os_header).msg_id        = ATP_UART_START_GSM;
	(start_gsm_p->os_header).src_addr_id   = RVF_INVALID_ADDR_ID;
	(start_gsm_p->os_header).callback_func = NULL;

	/* Send the 'ATP-UART Start GSM' notification to the ATP-UART interface.    */
	return (rvf_send_msg (gbl_atp_uart_ctrl_blk_p->addr_id, \
						  start_gsm_p));

} /********************* End of atp_uart_start_gsm function *********************/