init_.c

单片机与pc机通讯例程的mcu部分

#include "Def_.h"

/*----------------------------------------------------
初始化函数等
----------------------------------------------------*/

#if USE_INIT_INPT
void InitInpt(void)
/*
所用到的中断初始化
*/
{
	TMOD = 0x22;

	TR0 = 1;
	ET0 = 1;	/*	允许中断	*/
	TL0 = 0xff-((U08)(T0_OVERFLOW_COUNT));
	TH0 = 0xff-((U08)(T0_OVERFLOW_COUNT));

	TR1 = 1;
	ET1 = 0;	/*	禁止中断	*/
	TL1 = T1_INIT_COUNT;
	TH1 = T1_INIT_COUNT;

	TR2 = 1;
	ET2 = 0;	/*	禁止中断	*/
	T2CON = 0x05;

	SCON = 0x50;	/*	串口方式2	*/
	PCON = 0x80;	/*	双倍		*/
	ES = 1;			/*	允许中断	*/

	IE |= 0x80;
}
#endif

#if USE_INIT_VAR
void InitVar(void)
/*
变量初始化
*/
{
U08 i;
	SerSendPos = 0x00;
	SerRecPos = 0x00;
	for(i=0;i<SER_SEND_BUFF_MAX;i++)
		SerSendBuff[i] = 0x00;
	for(i=0;i<SER_REC_BUFF_MAX;i++)
		SerRecBuff[i] = 0x00;

	Flag1ms = 0;
	Flag10ms = 0;

	DallasChar = 0x55;

	for(i=0; i<DALLAS_SEND_BUFF_MAX; i++)
		DallasSendBuff[i] = 0x00;
	for(i=0; i<DALLAS_REC_BUFF_MAX;i++)
		DallasRecBuff[i] = 0x00;
	DallasSendPos = 0x00;
	DallasRecPos = 0x00;

	CrcU08MyDat = 0x00;
	CrcU16MyDat = 0x0000;
	DallasAddr = 0x0000;
	CrcU16RdDat = 0x0000;

	for(i=0; i<TEMP_BUFF_8BYTE_SIZE; i++)
		TempBuff8Byte[i] = 0x00;

	RelayStat = 0x00000000;
}
#endif


#if USE_INIT_PORT
void InitPort(void)
/*
IO端口初始化
*/
{
	DALLAS_PROG_0;

	P0 = 0x00;

	PExtEn =  1;
	PExtLe_1 = 0;
	PExtLe_2 = 0;
	PExtLe_3 = 0;
	PExtLe_4 = 0;
	PExtLe_5 = 0;
	PExtLe_6 = 0;
	PExtLe_7 = 0;

	PFakeI2cClk	= 1;
	PFakeI2cDatOut = 0;
	PFakeI2cDatIn 	= 0;

	PAdd0 = 1;
	PAdd1 = 1;
	PAdd2 = 1;
}
#endif