#include "stm8s.h"
#include "main.h"
void main(void)
{
/* Init GPIO for ADC2 */
GPIO_Init(GPIOD, GPIO_PIN_6, GPIO_MODE_IN_FL_NO_IT);
/* Init GPIO for LED */
GPIO_Init(LEDS_PORT, LED1_PIN, GPIO_MODE_OUT_PP_LOW_FAST);
GPIO_Init(LEDS_PORT, LED2_PIN, GPIO_MODE_OUT_PP_LOW_FAST);
GPIO_Init(LEDS_PORT, LED3_PIN, GPIO_MODE_OUT_PP_LOW_FAST);
GPIO_Init(LEDS_PORT, LED4_PIN, GPIO_MODE_OUT_PP_LOW_FAST);
ADC1_DeInit();
enableInterrupts();
/* Configure the conversion mode and the channel to convert */
ADC1_ConversionConfig(ADC1_CONVERSIONMODE_CONTINUOUS, ADC1_CHANNEL_9, ADC1_ALIGN_RIGHT);
/* Configure the schmitt trigger channel and state */
ADC1_SchmittTriggerConfig(ADC1_SCHMITTTRIG_CHANNEL9, DISABLE);
/* Enable the ADC2 peripheral */
ADC1_Cmd(ENABLE);
/* Enable EOC interrupt */
// ADC1_ITConfig(ENABLE);
ADC1_ITConfig(ADC1_IT_EOCIE, ENABLE);
/* Configure the TIM1 Master/Slave mode */
TIM1_SelectMasterSlaveMode(ENABLE);
/*Configure the ADC2 external trigger */
ADC1_ExternalTriggerConfig(ADC1_EXTTRIG_TIM, ENABLE);
/* Trigger the conversion */
TIM1_SelectOutputTrigger(TIM1_TRGOSOURCE_ENABLE);
TIM1_Cmd(ENABLE);
//ADC1_StartConversion();
/* The LEDs are changed in the interrupt routine */
while (1);
{
GPIO_WriteLow(GPIOA, GPIO_PIN_0);//为何进不了 while?
}
}
INTERRUPT_HANDLER(ADC1_IRQHandler, 22)///ADC 中断函数
{
/* In order to detect unexpected events during development,
it is recommended to set a breakpoint on the following instruction.
*/
u16 Conversion_Value = 0;
/* Get converted value */
Conversion_Value = ADC1_GetConversionValue();
if (Conversion_Value == 0x0)
{
……
}
else if ((Conversion_Value <= 0xFF) && (Conversion_Value > 0x0))
{
……
}
else if ((Conversion_Value >= 0x100) && (Conversion_Value <= 0x1FF))
{
……
}
else if ((Conversion_Value >= 0x200) && (Conversion_Value <= 0x2FF))
{
……
}
else
{
……
}
//ADC1_ClearITPendingBit();
//ADC1_ClearITPendingBit(ADC1_IT_AWS6);
ADC1_ClearITPendingBit(ADC1_IT_EOC);
///清除ADC中断怎么写？ 为什么一直在 中断函数里循环？
stm8S 中断ADC 是怎么样一个过程？
以定时器（TIM1中断）为例，while(1) 开始执行， TIM也同时开始运行，计数num++;清除中断一下，TIM1_ClearITPendingBit(TIM1_IT_UPDATE);
当while(1)中 num==10（假设1秒）;num=0;a=!a; 所以 a 每秒取反。
ADC中断方式 是一个类似的过程么？
还请明示，实在不理解。
}
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