#include "adc.h"
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#include "GPIO.h"
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#include "stm8s_gpio.h"
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#include "stm8s_adc1.h"
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#define ADC_CURRENT_CH (ADC1_CHANNEL_4)
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#define ADC_VOLTAGE_CH (ADC1_CHANNEL_2)
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enum
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{
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ADC_CHANNELMAX = 16
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};
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static uint16_t ADC1_ValueBuffer_u16[ADC_CHANNELMAX] = {0};
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static void ADC1_SCAN(void);
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/*!
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* @brief 配置ADC引脚
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* @param [in] void
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* @note null
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*/
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void ADCconfig(void)
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{
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GPIO_Init(CURRENT_AI_PORT, CURRENT_AI_PIN, GPIO_MODE_IN_FL_NO_IT);
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GPIO_Init(VOLTAGE_AI_PORT, VOLTAGE_AI_PIN, GPIO_MODE_IN_FL_NO_IT);
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ADC1_DeInit();
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// ADC1_Init(ADC1_CONVERSIONMODE_SINGLE, channl[i], ADC1_PRESSEL_FCPU_D2,
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// ADC1_EXTTRIG_TIM, DISABLE, ADC1_ALIGN_RIGHT, ADC1_SCHMITTTRIG_CHANNEL8,
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// DISABLE);
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}
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static void ADC1_SCAN(void)
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{
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uint8_t i = 0;
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ADC1_Channel_TypeDef channl[] = {ADC_CURRENT_CH,
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ADC_VOLTAGE_CH};
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for (i = 0; i < (sizeof(channl) / sizeof(ADC1_Channel_TypeDef)); i++)
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{
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ADC1_Init(ADC1_CONVERSIONMODE_SINGLE, channl[i], ADC1_PRESSEL_FCPU_D2,
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ADC1_EXTTRIG_TIM, DISABLE, ADC1_ALIGN_RIGHT, ADC1_SCHMITTTRIG_CHANNEL8,
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DISABLE);
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ADC1_StartConversion();
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while (!ADC1_GetFlagStatus(ADC1_FLAG_EOC))
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; //wait for Conversion over.
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ADC1_ValueBuffer_u16[channl[i]] = ADC1_GetConversionValue();
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ADC1_ClearFlag(ADC1_FLAG_EOC);
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ADC1_ClearITPendingBit(ADC1_IT_EOC);
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}
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}
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/*!
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* @brief 采集ADC任务
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* @param [in] void
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* @note null
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*/
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void ADCTask(void)
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{
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ADC1_SCAN();
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}
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/*!
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* @brief 获取ADC1函数
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* @param [in] void
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* @retval ADC的数字量
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* @note null
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*/
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int GetADC1Value(int ch)
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{
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return ADC1_ValueBuffer_u16[ch];
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}
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