STM-8.zip_STM8 原理图_stm 原理图_stm8_stm8 schematic_stm8 原理图

#include<iostm8s003f3.h> #include<intrinsics.h> #include<stdbool.h> #define BIT(X) (1 << (X)) #define SEG3 PD_ODR_ODR4//1脚 #define SEG1 PA_ODR_ODR3//2脚 #define SEG2 PD_ODR_ODR5//10脚 //PB5 #define E_ON PB_ODR_ODR5 = 0 //11 #define E_OFF PB_ODR_ODR5 = 1 //PC3 #define A_ON PC_ODR_ODR3 = 0 //13 #define A_OFF PC_ODR_ODR3 = 1 //PC4 #define F_ON PC_ODR_ODR4 = 0 //14 #define F_OFF PC_ODR_ODR4 = 1 //PC5 #define B_ON PC_ODR_ODR5 = 0 //15 #define B_OFF PC_ODR_ODR5 = 1 //pC6 #define G_ON PC_ODR_ODR6 = 0 //16 #define G_OFF PC_ODR_ODR6 = 1 //PC7 #define C_ON PC_ODR_ODR7 = 0 //17 #define C_OFF PC_ODR_ODR7 = 1 //PD1 #define DF_ON PD_ODR_ODR1 = 0 //18 #define DF_OFF PD_ODR_ODR1 = 1 //PD2 新加 #define D_ON PD_ODR_ODR2 = 0 //19 #define D_OFF PD_ODR_ODR2 = 1 unsigned char dispIndex = 0,tim4InTick = 0,count = 0,count1 = 0; unsigned char DF=0,dispBit1 = 0,dispBit2 = 0,dispBit3 = 0,adcSampleTimes = 0,dispIndexEx = 0; unsigned long int adOutputValueTemp = 0,adOutputValue = 0; unsigned long int adcOutputSampleBox[8] = {0}; bool mainProcessEn = 0,getAdFirstFlag = 1; void SystemClockInitialization(void) { LAB1: CLK_ICKR = 0x09; asm("nop"); asm("nop"); while(! (CLK_ICKR && BIT(1))); while(! (CLK_ICKR && BIT(4))); if(CLK_SWR != 0xE1) { goto LAB1; } CLK_CKDIVR = 0x00;//内部2MRC } void IoInitialization(void) { PA_DDR = 0Xff; PA_CR1 = 0Xff; PA_CR2 = 0Xff; PB_DDR = 0Xff; PB_CR1 = 0Xff; PB_CR2 = 0Xff; PC_DDR = 0Xff; PC_CR1 = 0Xff; PC_CR2 = 0Xff; PD_DDR = 0Xff; PD_CR1 = 0Xff; PD_CR2 = 0Xff; //AD输入口 输入电压输入口 3 PD6 PD_DDR_DDR6 = 1; PD_CR1_C16 = 0; PD_CR2_C26 = 0; } void WatchDogInitialization(void) { //--------喂狗时间1.02s IWDG_KR = 0xCC; IWDG_KR = 0x55; IWDG_RLR = 0XFF; IWDG_PR = 0X06; IWDG_KR = 0XAA; } void SegmentProcess(unsigned char dispCode) { switch(dispCode) { case 0: { A_ON;B_ON;C_ON;D_ON;E_ON;F_ON;G_OFF; break; } case 1: { A_OFF;B_ON;C_ON;D_OFF;E_OFF;F_OFF;G_OFF; break; } case 2: { A_ON;B_ON;C_OFF;D_ON;E_ON;F_OFF;G_ON; break; } case 3: { A_ON;B_ON;C_ON;D_ON;E_OFF;F_OFF;G_ON; break; } case 4: { A_OFF;B_ON;C_ON;D_OFF;E_OFF;F_ON;G_ON; break; } case 5: { A_ON;B_OFF;C_ON;D_ON;E_OFF;F_ON;G_ON; break; } case 6: { A_ON;B_OFF;C_ON;D_ON;E_ON;F_ON;G_ON; break; } case 7: { A_ON;B_ON;C_ON;D_OFF;E_OFF;F_ON;G_OFF; break; } case 8: { A_ON;B_ON;C_ON;D_ON;E_ON;F_ON;G_ON; break; } case 9: { A_ON;B_ON;C_ON;D_ON;E_OFF;F_ON;G_ON; break; } case 10: { A_OFF;B_OFF;C_OFF;D_OFF;E_OFF;F_OFF;G_OFF; break; } } } //显示3位 void DispSegment(unsigned char data1,unsigned char data2,unsigned char data3,unsigned char DF) { switch(dispIndex) { case 0: { SEG1 = 1; SEG2 = 0; SEG3 = 0; SegmentProcess(data1); if(DF==1) DF_ON; else DF_OFF; break; } case 1: { SEG1 = 0; SEG2 = 1; SEG3 = 0; SegmentProcess(data2); if(DF==2) DF_ON; else DF_OFF; break; } case 2: { SEG1 = 0; SEG2 = 0; SEG3 = 1; SegmentProcess(data3); if(DF==3) DF_ON; else DF_OFF; break; } } } void Time4Initialization(void) { TIM4_CR1 =0x81; TIM4_IER =0x01; TIM4_EGR =0x00; TIM4_ARR =0Xff; TIM4_PSCR =0x07;//50us中断一次 } void AdcInitialization(void) { ADC_CSR = 0X00; ADC_CR1 = 0XFD; ADC_CR2 = 0X38; ADC_CR3 = 0X00; ADC_TDRL= 0XFF; ADC_TDRH= 0XFF; } void Delay(unsigned int i) { for(;i > 0;i --); } void GetAd(void) { unsigned long int adGetTemp = 0; unsigned char i,j; adGetTemp = 0; ADC_CSR = 0x06;//输出 Delay(500); asm("nop");asm("nop");asm("nop");asm("nop"); ADC_CR1_ADON = 1; asm("nop");asm("nop");asm("nop");asm("nop"); while(! ADC_CSR_EOC);//等待转换结束 ADC_CSR_EOC = 0; adGetTemp = ADC_DRL; adcOutputSampleBox[adcSampleTimes] = ADC_DRH; adcOutputSampleBox[adcSampleTimes] <<= 8; adcOutputSampleBox[adcSampleTimes] |= adGetTemp; adcSampleTimes ++; if(adcSampleTimes > 7) { adcSampleTimes = 0; for(i = 0;i < 8;i ++) { for(j = 0;j < 8 - i;j ++) { if(adcOutputSampleBox[j + 1]< adcOutputSampleBox[j]) { adGetTemp = adcOutputSampleBox[j + 1]; adcOutputSampleBox[j + 1] = adcOutputSampleBox[j]; adcOutputSampleBox[j] = adGetTemp; } } } if(getAdFirstFlag) { adOutputValueTemp = (adcOutputSampleBox[2] + adcOutputSampleBox[3] + adcOutputSampleBox[4] + adcOutputSampleBox[5]) >> 2; } else { adOutputValueTemp -= adOutputValueTemp >> 3; adOutputValueTemp += (adcOutputSampleBox[2] + adcOutputSampleBox[3] + adcOutputSampleBox[4] + adcOutputSampleBox[5]) >> 5; } //adOutputValue = ((adOutputValueTemp * 340) / 1023); adOutputValue = (long)1.22 * 1024 / adOutputValueTemp; getAdFirstFlag = 0; } } void main(void) { asm("sim"); //关全局中断 SystemClockInitialization(); IoInitialization(); Time4Initialization(); WatchDogInitialization(); AdcInitialization(); WWDG_CR = 0X00; asm("rim"); //开全局中断 while(1) { WatchDogInitialization(); if(mainProcessEn) { mainProcessEn = 0; GetAd(); dispBit1 = adOutputValue / 1000; if(dispBit1 == 0){//小于10V, 显示2位小数 dispBit1 = adOutputValue / 100; //shi DF=1; dispBit2 = adOutputValue / 10; //ge dispBit3 = adOutputValue - dispBit1 * 100 - dispBit2 * 10; } else{ DF=2;//小数点位置 dispBit2 = adOutputValue % 100 / 10; //shi dispBit3 = adOutputValue % 10; //ge } } } } #pragma vector=TIM4_OVR_UIF_vector __interrupt void TIM4_UPD_OVF_IRQHandler(void) { TIM4_SR = 0x00; tim4InTick ++; if(tim4InTick >= 2) { tim4InTick = 0; dispIndex ++; if(dispIndex > 2) { dispIndex = 0; mainProcessEn = 1; } DispSegment(dispBit1,dispBit2,dispBit3,DF); } }