STM8S207的AD转换

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void ADC_Init(void)
{
GPIO_Init(GPIOE, GPIO_PIN_6, GPIO_MODE_IN_FL_NO_IT);//通道9,

CLK_PeripheralClockConfig(CLK_PERIPHERAL_ADC,ENABLE);//开启时钟

//通道9，单次转换，右对齐

ADC2_Init(ADC2_CONVERSIONMODE_SINGLE, ADC2_CHANNEL_9, ADC2_PRESSEL_FCPU_D2, ADC2_EXTTRIG_TIM, DISABLE, ADC2_ALIGN_RIGHT, ADC2_SCHMITTTRIG_CHANNEL9, DISABLE);
ADC2_ITConfig(ENABLE); //中断使能
ADC2_Cmd(ENABLE); //ADC2使能

}
void AD_Manage(void) //定时执行
{
ADC2_StartConversion(); //开启一次转换，在中断函数处理

}

中断函数

#ifdef _IAR_SYSTEMS_
#pragma vector=0x18
__interrupt void ADC2_IRQHandler(void)
#endif
{
/* In order to detect unexpected events during development,
it is recommended to set a breakpoint on the following instruction.
*/
u16 Conversion_Value;
Conversion_Value = ADC2_GetConversionValue();

printf("ADC2_Value:%u\n",Conversion_Value);
ADC2_ClearITPendingBit();


}

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