+
−/****************************************************************************/
+
−/*                                                                          */
+
−/*  File Name: spi_env.c                                                    */
+
−/*                                                                          */
+
−/*  Purpose: This file contains definitions for RV manager related          */
+
−/*           functions used to get info, start and stop the SPI SWE.        */
+
−/*                                                                          */
+
−/*  Version    0.1                                                          */
+
−/*                                                                          */
+
−/*  Date       Modification                                                 */
+
−/*  ------------------------------------                                    */
+
−/*  20/08/2000 Create                                                       */
+
−/*                                                                          */
+
−/* Author      David Lamy-Charrier (dlamy@tif.ti.com)                       */
+
−/*                                                                          */
+
−/* (C) Copyright 2000 by Texas Instruments Incorporated, All Rights Reserved*/
+
−/****************************************************************************/
+
−
+
−#include "spi_env.h"
+
−#include "../../riviera/rv/general.h"
+
−#include "../../riviera/rvm/rvm_gen.h"
+
−#include "../../riviera/rvm/rvm_priorities.h"
+
−#include "../../riviera/rvm/rvm_use_id_list.h"
+
−#include <string.h>
+
−
+
−//extern T_RV_RET spi_core(void);
+
−#include "spi_task.h"
+
−
+
−
+
−/* global pointer to the error function */
+
−static T_RVM_RETURN (*spi_error_ft)(T_RVM_NAME swe_name, T_RVM_RETURN error_cause,
+
−                                    T_RVM_ERROR_TYPE error_type,T_RVM_STRING error_msg);
+
−
+
−/* Global variables */
+
−T_SPI_GBL_INFO *SPI_GBL_INFO_PTR = NULL;
+
−
+
−
+
−
+
−/******************************************************************************
+
−* Function	  : spi_get_info
+
−*
+
−* Description : This function is called by the RV manager to learn 
+
−*               spi requirements in terms of memory, SWEs...
+
−*
+
−* Parameters  : T_RVM_INFO_SWE  * swe_info: pointer to the structure to fill
+
−*               containing infos related to the SPI SWE.
+
−*
+
−* Return      : T_RVM_RETURN
+
−* 
+
−* History     : 0.1 (20-August-2000)
+
−*
+
−*
+
−******************************************************************************/
+
−T_RVM_RETURN spi_get_info(T_RVM_INFO_SWE  * infoSWE)
+
−{
+
−
+
−   /* SWE info */
+
−
+
−   infoSWE->swe_type = RVM_SWE_TYPE_4;
+
−   infoSWE->type_info.type4.swe_use_id = SPI_USE_ID;
+
−   memcpy( infoSWE->type_info.type4.swe_name, "SPI", sizeof("SPI") );
+
−
+
−   infoSWE->type_info.type4.stack_size = SPI_STACK_SIZE;
+
−   infoSWE->type_info.type4.priority   = RVM_SPI_TASK_PRIORITY;
+
−
+
−
+
−   /* memory bank info */
+
−   infoSWE->type_info.type4.nb_mem_bank = 1;
+
−
+
−   memcpy ((UINT8 *) infoSWE->type_info.type4.mem_bank[0].bank_name, "SPI_PRIM", 9);
+
−   infoSWE->type_info.type4.mem_bank[0].initial_params.size          = SPI_MB_PRIM_SIZE;
+
−   infoSWE->type_info.type4.mem_bank[0].initial_params.watermark     = SPI_MB_PRIM_WATERMARK;
+
−
+
−
+
−   /* linked SWE info */
+
−   infoSWE->type_info.type4.nb_linked_swe = 0;
+
−
+
−
+
−   /* generic functions */
+
−   infoSWE->type_info.type4.set_info = spi_set_info;
+
−   infoSWE->type_info.type4.init     = spi_init;
+
−   infoSWE->type_info.type4.core     = spi_core;
+
−   infoSWE->type_info.type4.stop     = spi_stop;
+
−   infoSWE->type_info.type4.kill     = spi_kill;
+
−
+
−   /* Set the return path */
+
−   infoSWE->type_info.type4.return_path.callback_func	= NULL;
+
−   infoSWE->type_info.type4.return_path.addr_id	      = 0;
+
−
+
−   return RV_OK;
+
−}
+
−
+
−
+
−/******************************************************************************
+
−* Function     : spi_set_info
+
−*
+
−* Description : This function is called by the RV manager to inform  
+
−*               the spi SWE about task_id, mb_id and error function.
+
−*
+
−* Parameters  : - T_RVM_TASK_ID  taskId: task_id.
+
−*               - T_RV_RETURN    ReturnPath[], array of return path for linked SWE
+
−*               - T_RVF_MB_ID    mbId[]: array of memory bank ids.
+
−*               - callback function to call in case of unrecoverable error.
+
−*
+
−* Return      : T_RVM_RETURN
+
−* 
+
−* History     : 0.1 (20-August-2000)
+
−*
+
−*
+
−******************************************************************************/
+
−T_RVM_RETURN spi_set_info( T_RVF_ADDR_ID  addr_id,
+
−                           T_RV_RETURN          ReturnPath[],
+
−                           T_RVF_MB_ID          mbId[],
+
−                           T_RVM_RETURN      (*callBackFct)(T_RVM_NAME SWEntName,
+
−                                                            T_RVM_RETURN errorCause,
+
−                                                            T_RVM_ERROR_TYPE errorType,
+
−                                                            T_RVM_STRING errorMsg))
+
−{
+
−   T_RVF_MB_STATUS mb_status;
+
−   UINT16 i;
+
−
+
−   rvf_send_trace("SPI : spi_set_info: try to init GLOBAL INFO SPI structure ... ",62, 
+
−                   NULL_PARAM,
+
−                   RV_TRACE_LEVEL_DEBUG_LOW,
+
−                   SPI_USE_ID);
+
−
+
−   mb_status = rvf_get_buf(mbId[0],sizeof(T_SPI_GBL_INFO),(void **) &SPI_GBL_INFO_PTR);
+
−
+
−   if (mb_status == RVF_RED) 
+
−   {
+
−      rvf_send_trace("SPI : spi_set_info: Not enough memory to initiate GLOBAL INFO SPI structure ... ",80,
+
−                      NULL_PARAM,
+
−                      RV_TRACE_LEVEL_ERROR,
+
−                      SPI_USE_ID);
+
−
+
−      return (RVM_MEMORY_ERR);
+
−   }
+
−
+
−
+
−   /* store the pointer to the error function */
+
−   spi_error_ft = callBackFct ;
+
−
+
−   SPI_GBL_INFO_PTR->prim_id = mbId[0];
+
−
+
−   /* Store the addr id */
+
−   SPI_GBL_INFO_PTR->addr_id = addr_id;
+
−
+
−   for(i=0;i<MADC_NUMBER_OF_MEAS;i++)
+
−   {
+
−      SPI_GBL_INFO_PTR->adc_result[i] = 0;
+
−   }
+
−
+
−   SPI_GBL_INFO_PTR->is_gsm_on = FALSE;
+
−
+
−   SPI_GBL_INFO_PTR->SpiTaskReady = FALSE;
+
−
+
−   /* spi task_id and spi mb_id could be retrieved later 
+
−      using rvf_get_taskid and rvf_get_mb_id functions */
+
−
+
−   return RV_OK;
+
−}
+
−
+
−
+
−/******************************************************************************
+
−* Function  : spi_init
+
−*
+
−* Description : This function is called by the RV manager to initialize the 
+
−*               spi SWE before creating the task and calling spi_start. 
+
−*
+
−* Parameters  : None
+
−*
+
−* Return      : T_RVM_RETURN
+
−* 
+
−* History	  : 0.1 (20-August-2000)
+
−*
+
−*
+
−******************************************************************************/
+
−T_RVM_RETURN spi_init(void)
+
−{
+
−
+
−   return RV_OK;
+
−}
+
−
+
−
+
−
+
−/******************************************************************************
+
−* Function	  : spi_stop
+
−*
+
−* Description : This function is called by the RV manager to stop the spi SWE.
+
−*
+
−* Parameters  : None
+
−*
+
−* Return      : T_RVM_RETURN
+
−* 
+
−* History	  : 0.1 (20-August-2000)
+
−*
+
−*
+
−******************************************************************************/
+
−T_RVM_RETURN spi_stop(void)
+
−{
+
−   /* other SWEs have not been killed yet, spi can send messages to other SWEs */
+
−
+
−   return RV_OK;
+
−}
+
−
+
−
+
−/******************************************************************************
+
−* Function  : spi_kill
+
−*
+
−* Description : This function is called by the RV manager to kill the spi 
+
−*               SWE, after the spi_stop function has been called.
+
−*
+
−* Parameters  : None
+
−*
+
−* Return      : T_RVM_RETURN
+
−* 
+
−* History     : 0.1 (20-August-2000)
+
−*
+
−*
+
−******************************************************************************/
+
−T_RVM_RETURN spi_kill (void)
+
−{
+
−   /* free all memory buffer previously allocated */
+
−   return RV_OK;
+
−}