spi_task.c

是一个手机功能的模拟程序

/*****************************************************************************/
/*                                                                           */
/*  Name        spi_task.c													 */
/*                                                                           */
/*  Function    this file contains the main SPI function: spi_core.			 */
/*				It contains the body of the SPI task.						 */
/*				It will initialize the SPI and then wait for messages		 */
/*				or functions calls.											 */
/*                                                                           */
/*  Version		0.1															 */
/*	Author		Candice Bazanegue                   						 */
/*																			 */
/* 	Date       	Modification												 */
/*  ------------------------------------									 */
/*  20/08/2000	Create														 */
/*  01/09/2003	Modfication         										 */
/*	Author		Pascal Puel                         						 */
/*																			 */
/* (C) Copyright 2000 by Texas Instruments Incorporated, All Rights Reserved */
/*****************************************************************************/

#ifndef _WINDOWS
  #include "iq.h"      // for IQ_Unmask()
  #include "power.h"   // for Switch_ON()
#endif

#include "rv_defined_swe.h"	   // for RVM_PWR_SWE
#include "rvm_use_id_list.h"
#include "spi_env.h"
#include "spi_process.h"
#include "spi_task.h"

#ifdef RVM_PWR_SWE
  #include "pwr_liion_cha.h"
  #include "pwr_disch.h"
  #include "pwr_process.h"
  #include "pwr_env.h"
#endif



/*******************************************************************************
** Function         spi_core
**
** Description      Core of the spi task, which initiliazes the spi SWE and 
**					waits for messages.
**					
*******************************************************************************/
T_RV_RET spi_core(void)
{	
	BOOLEAN error_occured = FALSE;
	T_RV_HDR * msg_ptr;

	rvf_send_trace("SPI_task: Initialization", 24, NULL_PARAM, RV_TRACE_LEVEL_DEBUG_LOW, SPI_USE_ID);
    SPI_GBL_INFO_PTR->SpiTaskReady = TRUE;

#ifndef _WINDOWS
    /* Unmask External Interrupt once the SPI task is started */
	InitpwrStatus();
	IQ_Unmask(IQ_EXT);
	Switch_ON();
	mmi_pwr_register();
#endif

	/* loop to process messages */
	while (error_occured == FALSE)
	{
		/* Wait for the necessary events (infinite wait for a msg in the mailbox 0). */
		UINT16 received_event = rvf_wait (0xffff, 0);
					
		/* If an event related to mailbox 0 is received, then */
		if (received_event & RVF_TASK_MBOX_0_EVT_MASK) 
		{
			/* Read the message in the driver mailbox and delegate action..*/
			msg_ptr = (T_RV_HDR *) rvf_read_mbox(SPI_MAILBOX);

            #ifdef RVM_PWR_SWE
			if(spi_process(msg_ptr)) 
			{
				pwr_process(msg_ptr);
			}
            #else
			spi_process(msg_ptr);
			#endif
		}

        #ifdef RVM_PWR_SWE
		/* Timers */
        if (received_event & SPI_TIMER0_WAIT_EVENT)
        {
           pwr_bat_test_timer_process();
        }

		if (received_event & SPI_TIMER1_WAIT_EVENT)
		/* timer used to detect the end of the CI charge */
        {
           pwr_CI_charge_timer_process();
        }

        if (received_event & SPI_TIMER2_WAIT_EVENT)
		/* timer used to detect the end of the CV charge */
		{
           pwr_CV_charge_timer_process();
        }
        
		if (received_event & SPI_TIMER3_WAIT_EVENT) 
		/* timer used to check the battery discharge level */
		{
           pwr_discharge_timer_process();
        }
		#endif
	}	 // end of while
	return RV_OK;	
}



/**********************************************************************************
* Function	  : spi_adc_on
*
* Description : Put the variable is_adc_on of the T_SPI_GBL_INFO structure to TRUE.
*				This variable is used for the battery management. 
*               This function is called by the CST entity.
*
* Parameters  : None
*
* Return      : None
* 
**********************************************************************************/
void spi_adc_on (void)
{
   SPI_GBL_INFO_PTR->is_adc_on = TRUE;

   rvf_send_trace("SPI: ADC are on",15,
                   NULL_PARAM,
                   RV_TRACE_LEVEL_DEBUG_LOW,
                   SPI_USE_ID);
}