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#include"ADC.h"
#include "Eeprom.h" //包含用到的外設的頭文件
extern u8 minlimit;
extern u8 maxlimit;
extern u16 right_valume;
extern u8 SaveDATA1H;
u8 Adj_Valume;
u8 DATA0H;
u8 ADJADDR;
extern u8 t1ms;
u8 Adc_Flag;
u8 HeCong;
u8 NoLight;
u8 NewLight;
u8 ADC_Valume;
u16 BufllAcc;
u8 BufllPoint;
u8 Adc_Bufll[8];
u8 ReadSample1(void)
{
right_valume = 0;
right_valume += ADC1->DB1RH;
right_valume += ADC1->DB2RH;
right_valume += ADC1->DB3RH;
right_valume += ADC1->DB4RH;
right_valume += ADC1->DB5RH;
right_valume += ADC1->DB6RH;
right_valume += ADC1->DB7RH;
right_valume += ADC1->DB8RH;
ADC_Valume = right_valume>>3; //求平均
return ADC_Valume;
}
u8 t =10;
void StartUP_ADC(void)
{
TIM1_SetCompare1(0); //改變PC1輸出的PWM的占空比，0
t1ms = 0; //
while(t1ms <= t)
{
nop();
}
NoLight = ReadSample1(); //環境光
TIM1_SetCompare1(Adj_Valume); //改變PC1輸出的PWM的占空比，80%
t1ms = 0;
while(t1ms <= t)
{
;
}
HeCong = ReadSample1(); //合成光
SaveDATA1H = NoLight - HeCong; //增量光,標準光點
}
/*******************************************************************************
* ==ADC初始化函數==
* ADC_DeInit(); --> 復位定時器4寄存器
*******************************************************************************/
void ADC_INIT(void)
{
CLK_PeripheralClockConfig(CLK_PERIPHERAL_ADC, ENABLE); //給ADC時鐘
ADC1->CR1 = 0X03;//ADC = fMASTER /3 = f /4.使能ADC并開始轉換
ADC1->TDRH = 0X00;//施密特觸發器禁止
ADC1->TDRL = 0XF8;//施密特觸發器禁止
ADC1->CSR = 0X03;//模擬通道 AIN4
ADC1->CR2 = 0X00;//單次轉換模式,數據左對齊
ADC1->CR3 = 0X80;//數據緩存功能/禁止
ADC1->CR1 |= 0x01; //開始轉換
}
u8 T1S_Count;
//ADC開始
void ADCStart(void)
{
T1S_Count++;
if(T1S_Count ==5)
{
T1S_Count = 0;
right_valume = 0;
right_valume += ADC1->DB1RH;
right_valume += ADC1->DB2RH;
right_valume += ADC1->DB3RH;
right_valume += ADC1->DB4RH;
right_valume += ADC1->DB5RH;
right_valume += ADC1->DB6RH;
right_valume += ADC1->DB7RH;
right_valume += ADC1->DB8RH;
NewLight = right_valume>>3; //求平均
DATA0H =NoLight - NewLight;
Adc_Flag = 1;
}
}
u8 w;
//ADC以查詢方式工作
void AdjRight(void)
{
w = ~SaveDATA1H;
if(Adc_Flag == 1 ) //20MS抽一次
{
Adc_Flag = 0;
if(NewLight > w)
{
if(Adj_Valume <= maxlimit)
{
Adj_Valume++;
}
}
else if(NewLight < w)
{
if(Adj_Valume >= minlimit)
{
Adj_Valume--;
}
}
}
}

復制代碼

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