第七部分：2. STM32之ADC实验--AD多通道（AD采集三路传感器模块实验：光敏传感器、热敏传感器、反射式传感器附赠温湿度传感器教程）

这个多通道采用非扫描模式--单次转换模式

1.代码配置链路图

2. ADC的输入通道

3.ADC的非扫描模式的转换模式（单次和连续）

4.ADC的扫描模式的转换模式（单次和连续）

5.采集校准

代码实验：

代码部分：

#include "stm32f10x.h"                  // Device headervoid AD_Init(void)
{RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);RCC_ADCCLKConfig(RCC_PCLK2_Div6);GPIO_InitTypeDef GPIO_InitStructure;GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3;GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;GPIO_Init(GPIOA, &GPIO_InitStructure);ADC_InitTypeDef ADC_InitStructure;ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;ADC_InitStructure.ADC_ScanConvMode = DISABLE;ADC_InitStructure.ADC_NbrOfChannel = 1;ADC_Init(ADC1, &ADC_InitStructure);ADC_Cmd(ADC1, ENABLE);ADC_ResetCalibration(ADC1);while (ADC_GetResetCalibrationStatus(ADC1) == SET);ADC_StartCalibration(ADC1);while (ADC_GetCalibrationStatus(ADC1) == SET);
}uint16_t AD_GetValue(uint8_t ADC_Channel)
{ADC_RegularChannelConfig(ADC1, ADC_Channel, 1, ADC_SampleTime_55Cycles5);ADC_SoftwareStartConvCmd(ADC1, ENABLE);while (ADC_GetFlagStatus(ADC1, ADC_FLAG_EOC) == RESET);return ADC_GetConversionValue(ADC1);
}

#include "stm32f10x.h"                  // Device header
#include "Delay.h"
#include "OLED.h"
#include "AD.h"uint16_t AD0,AD1,AD2,AD3;int main(void)
{OLED_Init();AD_Init();OLED_ShowString(1, 1, "AD0:");OLED_ShowString(2, 1, "AD1:");OLED_ShowString(3, 1, "AD2:");OLED_ShowString(4, 1, "AD3:");while (1){AD0 = AD_GetValue(ADC_Channel_0);AD1 = AD_GetValue(ADC_Channel_1);AD2 = AD_GetValue(ADC_Channel_2);AD3 = AD_GetValue(ADC_Channel_3);OLED_ShowNum(1,5,AD0,5);OLED_ShowNum(2,5,AD1,5);OLED_ShowNum(3,5,AD2,5);OLED_ShowNum(4,5,AD3,5);Delay_ms(500);}}