mcu.c

飞思卡尔08单片机程序

/* Include Files */
#include <MC68HC908GZ16.h> /* include peripheral declarations */
#include "Sci.h"
#include "Type.h"
#include "MSCAN08.h"

/* Local Variables */
UINT16 time_counter;

/*****************************************************************************
 * TIM1Init:定时器一模块初始化
 * Input: 	None
 * Output: None
 * Parameters: None
 *
 ****************************************************************************/
void TIM1Init(void){
T1SC_TSTOP=1;//T1SC STOPPED
T1SC_TRST=1;//T1SC RESET
T1SC=0X40;//TOIE ENABLE,1PRESCALE,f=2M/1

//T1SC0=0X48;//输入，上升沿捕捉
//T1SC1=0x1a; //00011010;unbuffered PWM
T1MODH=0X07;//PWM period
T1MODL=0XD0;//0X7D0=2000,2000/2M=0.001=1MS
T1SC_TSTOP=0;//T1SC STOPPED
}

/*****************************************************************************
 *TIM1Init:定时器二模块初始化
 * Input: 	None
 * Output: None
 * Parameters: None
 *
 ****************************************************************************/
void TIM2Init(void){
T2SC_TSTOP=1;//T1SC STOPPED
T2SC_TRST=1;//T1SC RESET
T2SC=0X46;//TOIE ABLE,64PRESCALE,f=2M/64
T2SC0=0x1A;//00011010;unbuffered PWM ZHONGDUA N
T2SC1=0x1A; //00011010;unbuffered PWM
T2MODH=0X01;//PWM period
T2MODL=0X38;//0X1F4=500,5000*64/2M=0.04=40MS
T2SC_TOIE=1;
T2SC_TSTOP=0;//T2SC STOPPED
}


/*****************************************************************************
 * IOInit:IO初始化
 * Input: 	None
 * Output: None
 * Parameters: None
 *
 ****************************************************************************/
void IOInit(void){
DDRA_DDRA1=1;
DDRA_DDRA2=1;
DDRA_DDRA3=1;
DDRA_DDRA4=1;

}
/*****************************************************************************
 * delay:延时程序
 * Input: 	time:延时毫秒数，5=5ms
 * Output: None
 * Parameters: None
 *
 ****************************************************************************/
void delay(UINT8 time){
time_counter=0;					   
while(time_counter<time);
}


/*****************************************************************************
 * TIM1_Overflow_ISR:定时器一溢出中断函数
 * Input: 	None
 * Output: None
 * Parameters: None
 *
 ****************************************************************************/
interrupt 6 void TIM1_Overflow_ISR(void){
static UINT8 counter;  
  
  T1SC_TOIE=0;//TOIE DISABLE
  T1SC_TOF=0;//CLEAR TOF
 	time_counter++;
 	counter++;
	if (counter>100){
	//SciTxEnable;
	counter=0;
	}
 
  T1SC_TOIE=1;//TOIE ENABLE

}