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/* MAIN.C file
編譯環境：IAR
初版時間: 2013-01-18
*/
#include "stm8s.h" //包含用到的外設的頭文件
#include "stm8s_adc1.h"
#include "stm8s_clk.h"
#define FLG_IOUT 0
#define FLG_VOUT 1
#define LED1_OFF() GPIO_WriteHigh(GPIOC,GPIO_PIN_4)
#define LED1_ON() GPIO_WriteLow(GPIOC,GPIO_PIN_4)
#define LED2_OFF() GPIO_WriteHigh(GPIOC,GPIO_PIN_5)
#define LED2_ON() GPIO_WriteLow(GPIOC,GPIO_PIN_5)
#define LED3_OFF() GPIO_WriteHigh(GPIOC,GPIO_PIN_6)
#define LED3_ON() GPIO_WriteLow(GPIOC,GPIO_PIN_6)
#define LED4_OFF() GPIO_WriteHigh(GPIOC,GPIO_PIN_7)
#define LED4_ON() GPIO_WriteLow(GPIOC,GPIO_PIN_7)
//LED操作宏
#define LED_ALL_OFF() do{ LED4_OFF();LED3_OFF();LED2_OFF();LED1_OFF(); }while(0)
#define LED_VOL_100() do{ LED4_ON();LED3_ON();LED2_ON();LED1_ON(); }while(0)
#define LED_VOL_75() do{ LED4_ON();LED3_ON();LED2_ON();LED1_OFF(); }while(0)
#define LED_VOL_50() do{ LED4_ON();LED3_ON();LED2_OFF();LED1_OFF(); }while(0)
#define LED_VOL_25() do{ LED4_ON();LED3_OFF();LED2_OFF();LED1_OFF(); }while(0)
#define LED_VOL_0() LED_ALL_OFF()
#define VAT_CAP_100 ((unsigned short)(4.16*1024/6.6))
#define VAT_CAP_75 ((unsigned short)(3.93*1024/6.6))
#define VAT_CAP_50 (((unsigned short)3.79*1024/6.6))
#define VAT_CAP_25 (((unsigned short)3.72*1024/6.6))
#define VAT_CAP_0 (((unsigned short)3.58*1024/6.6))
#define IOUT_0_25 (((unsigned short)0.25*1024/3.3))
#define IOUT_3_00 (((unsigned short)3*1024/3.3))
#define GET_MIN(a,b) (((a) > (b))? (b):(a))
/**************************實現函數********************************************
*函數原型: void Delay(unsigned int time)
*功　　能: 實現一定時間的延時，延時設定時長由輸入time 決定
*******************************************************************************/
void Delay(unsigned int time)
{
volatile unsigned int i;
while(time--){
i=300;
while(i--); //做一些沒有用的事，打發時間
}
}
void Led_tig(unsigned short adc_val)
{
static unsigned char flag = 0; //反轉的標志
if(adc_val >= VAT_CAP_100)
{
LED_VOL_100();
}
else if(adc_val >= VAT_CAP_75)
{
if(flag)LED_VOL_100();
else LED_VOL_75();
}
else if(adc_val >= VAT_CAP_50)
{
if(flag)LED_VOL_75();
else LED_VOL_50();
}
else if(adc_val >= VAT_CAP_25)
{
if(flag)LED_VOL_50();
else LED_VOL_25();
}
else
{
if(flag)LED_VOL_25();
else LED_VOL_0();
}
flag = !flag;
}
unsigned short ADC_val_get(unsigned char ch)
{
unsigned short buf[3] , temp;
unsigned char i;
if(FLG_IOUT)
ADC1_ConversionConfig(ADC1_CONVERSIONMODE_SINGLE , ADC1_CHANNEL_3, ADC1_ALIGN_RIGHT);
else
ADC1_ConversionConfig(ADC1_CONVERSIONMODE_SINGLE, ADC1_CHANNEL_4 , ADC1_ALIGN_RIGHT);
for(i=0 ; i<3 ; i++)
{
ADC1_StartConversion();
while(SET == ADC1_GetFlagStatus(ADC1_FLAG_EOC)){;}
buf[i] = ADC1_GetConversionValue();
ADC1_ClearFlag(ADC1_FLAG_EOC);
}
temp = GET_MIN( buf[0] , buf[1]);
temp = GET_MIN( temp , buf[2]);
return temp;
}
volatile short adc_val;
volatile u32 u32_clk_freq;
/**************************實現函數********************************************
*函數原型: main() 主程序
*功　　能: 設置LED的端口為輸出，并使開發板上的LED2閃爍
*******************************************************************************/
main()
{
CLK_DeInit();
CLK_LSICmd(ENABLE);
CLK_SYSCLKConfig(CLK_PRESCALER_CPUDIV8);
GPIO_DeInit(GPIOD);
GPIO_Init(GPIOD, GPIO_PIN_4, GPIO_MODE_OUT_PP_HIGH_SLOW); // PW_ON高電平
u32_clk_freq = CLK_GetClockFreq();
GPIO_DeInit(GPIOC);//把LED1-4設置為高電平輸出，關燈
GPIO_Init(GPIOC, GPIO_PIN_HNIB , GPIO_MODE_OUT_PP_HIGH_SLOW); //LED1-4 滅
//ADC 初始化
ADC1_DeInit();
ADC1_Init(ADC1_CONVERSIONMODE_SINGLE, ADC1_CHANNEL_4 | ADC1_CHANNEL_3,
ADC1_PRESSEL_FCPU_D2,ADC1_EXTTRIG_TIM, DISABLE,
ADC1_ALIGN_RIGHT, ADC1_SCHMITTTRIG_CHANNEL4 | ADC1_SCHMITTTRIG_CHANNEL3, DISABLE);
// ADC1_Init(ADC1_CONVERSIONMODE_SINGLE, ADC1_CHANNEL_2,
// ADC1_PRESSEL_FCPU_D2,ADC1_EXTTRIG_TIM, DISABLE,
// ADC1_ALIGN_RIGHT, ADC1_SCHMITTTRIG_CHANNEL2, DISABLE);
ADC1_Cmd(ENABLE);
ADC1_ITConfig(ADC1_IT_AWDIE, DISABLE);
while (1)
{ //主循環體
Delay(100);//延時。
adc_val = ADC_val_get(FLG_VOUT);
adc_val = ADC_val_get(FLG_IOUT);
if(adc_val >= IOUT_3_00 || adc_val < IOUT_0_25)
{
GPIO_WriteLow(GPIOD, GPIO_PIN_4);
}
else
GPIO_WriteHigh(GPIOD, GPIO_PIN_4);
// Led_tig(adc_val);
}//如些反復，用戶會觀察到LED2一直在閃爍
}

復制代碼

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