main.c

名厂车载GPS通信终端

//------------------------------------------------------------------------------
//              
//			filename  : initmcu.c                                                                       
//                      funcation : initialize the resoucre of hardware                                                
//                      designer  : lrx                                                                                
//                      time      : 2005-5-11 10:35                                                                    
//                      All right are reserved                                                                         
//                                                                                                                     
//------------------------------------------------------------------------------ 
#define MAIN_GLOBAL                1
#include "includes.h"

void main(void)
{
	InitMcu();
	clr_watchdog();
	Init_Flash();
#ifdef DEBUG_SYS   
	u1tb = Read_All_Para();
#endif
	clr_watchdog();
	Init_Timer();
	clr_watchdog();
	
	Init_Systask();
	clr_watchdog();
#ifdef DEBUG_AT   
	Uart1Send("0001");
#endif
	AlarmTaskid   = Create_Task(Init_Alarm,AlarmTaskEntry);
	HandsetTaskid = Create_Task(Init_Handset,HandsetTaskEntry);
	GprsTaskid    = Create_Task(Init_Gprs,GprsTaskEntry);
#ifdef DEBUG_AT   	//added lxo 122931 for reset test
	Uart1Send("ResetMemory is");
	Uart1Word(ResetMemory);
	if(ResetMemory==0x5a)
		Uart1Send("Warm reset!");
#endif
	ResetMemory=0x5a;
	Task_Schedule();
}

uchar SoftwareCrcCheck(void)
{
	WORD m;
	WORD crc;
	UCHAR	ch;
	UCHAR	txt[4];
	DWORD	offset;
	
	
	m = 0;
	crc = FCS_START;
	for(m=0; m<0x8000; m++)
	{
		ch = Read_Sector_Byte(UPDATESECTOR,m);
		crc = FCS(crc,ch);
		clr_watchdog();
	}
	
	crc ^= FCS_START;
	if(crc != soft.crc1)
	{
#ifdef DEBUG_AT
		Uart1Word(crc);
		Uart1Word(soft.crc1);
		Uart1Send("ERR IN CRC1");
#endif 
		return FALSE;
	}
	
	m = 0;
	crc = FCS_START;
	for(m=0; m<0x8000; m++)
	{
		ch  = Read_Sector_Byte(UPDATESECTOR+8,m);
		crc = FCS(crc,ch);
		clr_watchdog();
	}
	crc ^= FCS_START;
	if(crc != soft.crc2)
	{
#ifdef DEBUG_AT
		Uart1Word(crc);
		Uart1Word(soft.crc2);
		Uart1Send("ERR IN CRC2");
#endif 
		return FALSE;
	}
	
	m = 0;
	crc = FCS_START;
	for(m=0; m<0x8000; m++)
	{
		ch = Read_Sector_Byte(UPDATESECTOR+16,m);
		crc = FCS(crc,ch);
		clr_watchdog();
	}
	
	crc ^= FCS_START;
	if(crc != soft.crc3)
	{
#ifdef DEBUG_AT
		Uart1Word(crc);
		Uart1Word(soft.crc3);
		Uart1Send("ERR IN CRC3");
#endif 
		return FALSE;
	}
	
	m = 0;
	crc = FCS_START;
	for(m=0; m<0x8000; m++)
	{
		ch = Read_Sector_Byte(UPDATESECTOR+24,m);
		crc = FCS(crc,ch);
		clr_watchdog();
	}
	crc ^= FCS_START;
	if(crc != soft.crc4)
	{
#ifdef DEBUG_AT
		Uart1Word(crc);
		Uart1Word(soft.crc4);
		Uart1Send("ERR IN CRC4");
#endif 
		return FALSE;
	}
	return TRUE;
}

void UpdateNewCode(void)
{
	UCHAR  *ptest;
	
	ptest = (UCHAR *)(0x2800);
	asm("FCLR	I");
	_Memcpy(ptest, (UCHAR FAR *)(0xfe000), 0x300);
	asm("JMP.A  2880H");
}