almtask.c

在ARM7和UC/OSII的平台上实现了GPS自动报站的功能,涉及GPS模块LEA_4S的驱动,位置速寻算法,语音芯片ISD4004的录放音驱动,LED页面管理等等.从启动代码到操作系统的移植以及到业

/****************************************************************
**                                                              *
**  FILE         :  AlmTask.C                                   *
**  COPYRIGHT    :  (c) 2001 .Xiamen Yaxon NetWork CO.LTD       *
**                                                              *
**                                                              *
**  By : CCH 2002.1.15                                          *
****************************************************************/
#define  ALMTASK_GLOBALS
#include "includes.h"
#include "tools.h"
#include "public.h"
#include "message.h"
#include "sensor.h"
#include "alarmer.h"
#include "almtask.h"
#include "watchdog.h"
#include "uart_drv.h"
#include "recorder.h"
#include "extint.h"
#include "Predictor.h"
#include "VolumeControl.h"
#include "vtcalculate.h"



#define SIZE_MSGBUF         20

static OS_QMSG MsgBuf[SIZE_MSGBUF];
static OS_STK  AlmTaskStack[STACK_ALMTASK];

static INT8U         wdgid;


static void AlmTask(void *pd)
{
    pd = pd;

#if DEBUG_UARTNo_SYSTEM <= 1    
    PrintFromUART(DEBUG_UARTNo_SYSTEM, "启动AlmTask......\n");
#endif
   
    InitSensor();    
    InitExtInt();
    InitRecorder();
    InitVtCalculate();
    SearchBusStationInit();
    InitVolumeControl();
       
    wdgid = ApplyWatchDogID();
    
    for(;;) {
        if (OSQPend(AlmTaskMsgQue, 20, &AlmCurMsg) == OS_NO_ERR) {
            FindProcEntry(AlmCurMsg.MsgID, GetAlarmerEntry(), GetAlarmerEntryNum());
        }
        ResetWatchDog(wdgid);
    }
}

void CreateAlmTask(void)
{
    AlmTaskMsgQue = OSQCreate(MsgBuf, sizeof(MsgBuf)/sizeof(MsgBuf[0]));
    OSTaskCreate(AlmTask, (void *)0, &AlmTaskStack[STACK_ALMTASK], PRIO_ALMTASK);
}