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#include<iostm8s003f3.h>
unsigned int ms_count;
unsigned char adcflag;
unsigned int ADCData;
unsigned int tmpin;
unsigned int ADCBuff[3];
/*******************************************************************************
**函數名稱：void GPIO_Init()
**功能描述：GPIO->功能引腳初始化
**入口參數：無
**輸出：無
*******************************************************************************/
void GPIO_Init()
{
PA_ODR &=0xf1; //PA1,2,3置零
PA_DDR |=0x0e; //設置端口PA1,2,3的輸入輸出方向寄存器為輸出方向
PA_CR1 |=0x0e; //PA1,2,3為推挽輸出
PA_CR2 |=0x0e; //PA1,2,3是輸出速度最快為10MHz
PB_ODR |=0x30; //滅PB4,5
PB_DDR |=0x30; //設置端口PB4,5的輸入輸出方向寄存器為輸出方向
PB_CR1 |=0x30; //PB4,5為推挽輸出
PB_CR2 |=0x30; //PB4,5是輸出速度最快為10MHz
PC_ODR |=0xf8; //滅PC3,4,5,6,7
PC_DDR |=0xf8; //設置端口PC->3,4,5,6,7的輸入輸出方向寄存器為輸出方向
PC_CR1 |=0xf8; //PC->3,4,5,6,7為推挽輸出
PC_CR2 |=0xf8; //PC->3,4,5,6,7是輸出速度最快為10MHz
PD_ODR |=0x02; //滅PD1
PA_ODR &=0xe3; //PD2,3,4置零
PD_DDR |=0x1e; //設置端口PD->1,2,3,4的輸入輸出方向寄存器為輸出方向
PD_CR1 |=0x1e; //PD->1,2,3,4為推挽輸出
PD_CR2 |=0x1e; //PD->1,2,3,4是輸出速度最快為10MHz
}
/*******************************************************************************
**函數名稱：void SMG_Display(int num)
**功能描述：SMG顯示函數
**入口參數：int num
**輸出：無
*******************************************************************************/
void SMG1_Display(unsigned char num)
{
switch(num)
{
case 0:
PA_ODR &=0xf1; //PA1,2,3置零
PB_ODR |=0x30; //PB4,5置高
PC_ODR |=0xf8; //PC3,4,5,6,7置高
PD_ODR |=0x02; //PD1置高
PB_ODR &=0xcf; //PB4,5置低a,e
PC_ODR &=0xa7; //PC3,4,6置低c,d,f
PD_ODR &=0xfd; //PD1置低b
//PA_ODR |=0x0e; //GIG1,2,3置高
//PD_ODR |=0x1c; //GIG2 2,3,4置高
break;
case 1:
PA_ODR &=0xf1; //PA1,2,3置零
PB_ODR |=0x30; //PB4,5置高
PC_ODR |=0xf8; //PC3,4,5,6,7置高
PD_ODR |=0x02; //PD1置高
//PB_ODR &=0xcf; //PB4,5置低a,e
PC_ODR &=0xbf; //PC6置低c
PD_ODR &=0xfd; //PD1置低b
//PA_ODR |=0x0e; //GIG1,2,3置高
//PD_ODR |=0x1c; //GIG2 2,3,4置高
break;
case 2:
PA_ODR &=0xf1; //PA1,2,3置零
PB_ODR |=0x30; //PB4,5置高
PC_ODR |=0xf8; //PC3,4,5,6,7置高
PD_ODR |=0x02; //PD1置高
PB_ODR &=0xcf; //PB4,5置低a,e
PC_ODR &=0x77; //PC3,7置低d,g
PD_ODR &=0xfd; //PD1置低b
//PA_ODR |=0x0e; //GIG1,2,3置高
//PD_ODR |=0x1c; //GIG2 2,3,4置高
break;
case 3:
PA_ODR &=0xf1; //PA1,2,3置零
PB_ODR |=0x30; //PB4,5置高
PC_ODR |=0xf8; //PC3,4,5,6,7置高
PD_ODR |=0x02; //PD1置高
PB_ODR &=0xef; //PB4置低a
PC_ODR &=0x37; //PC3,6,7置低c,d,g
PD_ODR &=0xfd; //PD1置低b
//PA_ODR |=0x0e; //GIG1,2,3置高
//PD_ODR |=0x1c; //GIG2 2,3,4置高
break;
case 4:
PA_ODR &=0xf1; //PA1,2,3置零
PB_ODR |=0x30; //PB4,5置高
PC_ODR |=0xf8; //PC3,4,5,6,7置高
PD_ODR |=0x02; //PD1置高
//PB_ODR &=0xef; //PB4置低a
PC_ODR &=0x2f; //PC4,6,7置低c,f,g
PD_ODR &=0xfd; //PD1置低b
//PA_ODR |=0x0e; //GIG1,2,3置高
//PD_ODR |=0x1c; //GIG2 2,3,4置高
break;
case 5:
PA_ODR &=0xf1; //PA1,2,3置零
PB_ODR |=0x30; //PB4,5置高
PC_ODR |=0xf8; //PC3,4,5,6,7置高
PD_ODR |=0x02; //PD1置高
PB_ODR &=0xef; //PB4置低a
PC_ODR &=0x27; //PC3,4,6,7置低c,d,f,g
//PD_ODR &=0xfd; //PD1置低b
//PA_ODR |=0x0e; //GIG1,2,3置高
//PD_ODR |=0x1c; //GIG2 2,3,4置高
break;
case 6:
PA_ODR &=0xf1; //PA1,2,3置零
PB_ODR |=0x30; //PB4,5置高
PC_ODR |=0xf8; //PC3,4,5,6,7置高
PD_ODR |=0x02; //PD1置高
PB_ODR &=0xcf; //PB4,5置低a,e
PC_ODR &=0x27; //PC3,4,6,7置低c,d,f,g
//PD_ODR &=0xfd; //PD1置低b
//PA_ODR |=0x0e; //GIG1,2,3置高
//PD_ODR |=0x1c; //GIG2 2,3,4置高
break;
case 7:
PA_ODR &=0xf1; //PA1,2,3置零
PB_ODR |=0x30; //PB4,5置高
PC_ODR |=0xf8; //PC3,4,5,6,7置高
PD_ODR |=0x02; //PD1置高
PB_ODR &=0xef; //PB4置低a
PC_ODR &=0xbf; //PC6置低c
PD_ODR &=0xfd; //PD1置低b
//PA_ODR |=0x0e; //GIG1,2,3置高
//PD_ODR |=0x1c; //GIG2 2,3,4置高
break;
case 8:
PA_ODR &=0xf1; //PA1,2,3置零
PB_ODR |=0x30; //PB4,5置高
PC_ODR |=0xf8; //PC3,4,5,6,7置高
PD_ODR |=0x02; //PD1置高
PB_ODR &=0xcf; //PB4,5置低a,e
PC_ODR &=0x27; //PC3,4,6,7置低c,d,f,g
PD_ODR &=0xfd; //PD1置低b
//PA_ODR |=0x0e; //GIG1,2,3置高
//PD_ODR |=0x1c; //GIG2 2,3,4置高
break;
case 9:
PA_ODR &=0xf1; //PA1,2,3置零
PB_ODR |=0x30; //PB4,5置高
PC_ODR |=0xf8; //PC3,4,5,6,7置高
PD_ODR |=0x02; //PD1置高
PB_ODR &=0xef; //PB4,5置低a,e
PC_ODR &=0x27; //PC3,4,6,7置低c,d,f,g
PD_ODR &=0xfd; //PD1置低b
//PA_ODR |=0x0e; //GIG1,2,3置高
//PD_ODR |=0x1c; //GIG2 2,3,4置高
break;
}
}
/*******************************************************************************
**函數名稱：void ADC_Init()
**功能描述：初始化ADC
**入口參數：無
**輸出：無
*******************************************************************************/
void ADC_Init()
{
PD_DDR_bit.DDR5 = 0; //設置PD->5 為輸入
PD_CR1_bit.C15 = 0; //設置為懸空輸入
PD_CR2_bit.C25 = 0; //設置中斷禁止
ADC_CR1_bit.SPSEL = 3; //fmaster / 18 = 16MHZ / 18 = 888888HZ
ADC_CR2_bit.ALIGN = 1; //RIGHT ALIGN
ADC_CSR_bit.CH = 5; //SELECT AIN5
ADC_CR1_bit.ADON = 1; //啟動ADC
}
/*******************************************************************************
**函數名稱：void ADC_Data_Read(unsigned int *AD_Value)
**功能描述：讀取ADC完成一次模數轉換結果
**入口參數：unsigned int *AD_Value
*AD_Value ->讀取ADC采樣數據的指針
**輸出：無
*******************************************************************************/
void ADC_Data_Read(unsigned int *AD_Value)
{
ADC_CR1_bit.ADON = 1; //啟動ADC
while(ADC_CSR_bit.EOC == 0); //等待轉換結束
*AD_Value = ADC_DRH; //先讀取高8位
*AD_Value = (unsigned int)((*AD_Value << 8) + ADC_DRL); //高8位與低8位相加，湊成16位數據
}
unsigned int ProcessVoltage(unsigned int tmpin)
{
unsigned long int Temp;
Temp=tmpin;
Temp*=330;
Temp/=1024;
return ((unsigned int)Temp)*11.3;
}
/*******************************************************************************
**函數名稱：void Timer4Init()
**功能描述：定時器4參數初始化
**入口參數：無
**輸出：無
*******************************************************************************/
void Timer4Init()
{
TIM4_IER_bit.UIE = 0; //禁止中斷
TIM4_EGR_bit.UG = 0;
TIM4_PSCR_bit.PSC = 7; // 設置TIM4的時鐘分頻系數為 128 即定時器時鐘 = 16000000 /128 = 125KHZ
TIM4_ARR = 125; // 設定TIM4產生1毫秒的計數值
TIM4_CNTR = 0x00; // 清除TIM4計數寄存器數值
TIM4_SR_bit.UIF = 0; //清除中斷標志
TIM4_SR_bit.TIF = 0;
TIM4_CR1_bit.CEN = 1; //使能定時器4計數
TIM4_CR1_bit.ARPE = 1; //使能預裝載
TIM4_IER_bit.UIE = 1; // 使能更新中斷
}
/*******************************************************************************
**函數名稱：void TIM2_Init()
**功能描述：定時器2參數初始化
**入口參數：無
**輸出：無
*******************************************************************************/
void TIM2_Init()
{
TIM2_PSCR = 0x00; //定時器2預分頻數為 1 分頻，即定時器時鐘 = 系統時鐘 = 16MHz
TIM2_ARRH = 0x3E; //設置1毫秒時間自動重載 16000 = 0x3e80
TIM2_ARRL = 0x80; //
TIM2_CNTRH = 0x00; //清除計數寄存器
TIM2_CNTRL = 0x00; //
TIM2_SR1 = 0x00; //清除所有的中斷標志
}
/*******************************************************************************
**函數名稱：void TIM2_DelayMs(unsigned int ms)
**功能描述：定時器2參進行精確延時，最小為1毫秒，最大65535
**入口參數：unsigned int ms 1=< ms <= 65535
**輸出：無
*******************************************************************************/
void TIM2_DelayMs(unsigned int ms)
{
TIM2_CR1 = 0x81; //啟動定時器2開始計數
while(ms--)
{
while( !(TIM2_SR1 & 0x01)); //等待計數是否達到1毫秒
TIM2_SR1 &= ~(0x01); //計數完成1毫秒，清除相應的標志
}
TIM2_CR1 = 0x00; //延時全部結束，關閉定時器2
}
/*******************************************************************************
**函數名稱：void delay(unsigned int ms) Name: void delay(unsigned int ms)
**功能描述：大概延時
**入口參數：unsigned int ms 輸入大概延時數值
**輸出：無
*******************************************************************************/
void delay(unsigned int ms)
{
unsigned int x , y;
for(x = ms; x > 0; x--) /* 通過一定周期循環進行延時*/
for(y = 1000 ; y > 0 ; y--);
}
/* 主函數 */
int main(void)
{
asm("sim"); //關閉系統總中斷
CLK_CKDIVR = 0x00; //CPUDIV = 1 HSIDIV = 1 內部時鐘 = 16Mhz
//UART1_Init(9600); //調用串口初始化函數，并設置波特率為9600 bps
//LED2Init(); //調用LED2初始化函數
GPIO_Init();
ADC_Init(); //調用ADC初始化函數
TIM2_Init();
Timer4Init(); //初始化定時器4
asm("rim"); //打開系統總中斷
unsigned char i=0;
while(1)
{
if(adcflag == 1) //1秒定時時間到對使能ADC進行采樣
{
asm("sim"); //關系統總中斷
ADC_Data_Read(&ADCData); //讀取ADC的采樣數值
//Uart_SendString("ADC_DATA = " , 11); //發送字符串"ADC_DATA = "
ADCBuff[2] = ProcessVoltage(ADCData) % 10;
ADCBuff[1] = ProcessVoltage(ADCData) / 10 %10;
ADCBuff[0] = ProcessVoltage(ADCData) / 100;
//ADCBuff[2] =ADCData % 10;
//ADCBuff[1] =ADCData / 10 %10;
//ADCBuff[0] = ADCData / 100;
/*ADCBuff[3] = ADCData % 10; //轉換成ASCII碼
ADCBuff[2] = ADCData % 100 / 10;
ADCBuff[1] = ADCData / 100 % 10 ;
ADCBuff[0] = ADCData / 1000 ;
*/
//ADCBuff[4] = 0x0d; //換行字符
//ADCBuff[5] = 0x0a;
//Uart_SendString(ADCBuff , 6); //向PC機發送ADC采樣數值
adcflag = 0; //ADC采樣標志清除
asm("rim"); //開系統總中斷，準備下次ADC采樣
//PC_ODR ^= 0x80; //異或取反PC->3 ，使LED4進行周期性亮滅亮滅操作
i=0;
for(i=0;i<=100;i++)
{
SMG1_Display(ADCBuff[0]); //顯示個位
PA_ODR |=0x02; //GIG1置高亮第一個數碼管
PC_ODR &=0xdf; //PC5置高
TIM2_DelayMs(8);
SMG1_Display(ADCBuff[1]); //顯示十分位
PA_ODR |=0x04; //GIG2置高亮第二個數碼管
TIM2_DelayMs(8);
SMG1_Display(ADCBuff[1]); //顯示百分位
PA_ODR |=0x08; //GIG3置高亮第二個數碼管
TIM2_DelayMs(2);
}
i=0;
//adcflag = 0; //ADC采樣標志清除
}
}
}
/** 定時器4中斷服務函數 */
#pragma vector = 25
__interrupt void TIM4_UPDATE_IRQHandler(void)
{
TIM4_SR_bit.UIF = 0; //清除中斷標志
ms_count++;
if(ms_count >= 800) //記錄1秒時間到
{
ms_count = 0;
adcflag = 1; //設置ADC采樣標志
}
}

復制代碼

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