STM32入门学习之ADC（STM32F030F4P6基于CooCox IDE）

来源：互联网发布：windows 10 mobile安卓编辑：程序博客网时间：2024/05/29 14:31
#include "stm32_lib/inc/stm32f0xx_rcc.h"#include "stm32_lib/inc/stm32f0xx_adc.h"#include "stm32_lib/inc/stm32f0xx_gpio.h"int main(void){//时钟配置RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1,ENABLE);//ADC IO配置，此处定义PA0口为ADC端口GPIO_InitTypeDef PORT_ADC;PORT_ADC.GPIO_Pin=GPIO_Pin_0;PORT_ADC.GPIO_Mode=GPIO_Mode_AN;PORT_ADC.GPIO_PuPd=GPIO_PuPd_NOPULL;GPIO_Init(GPIOA,&PORT_ADC);//ADC 参数配置ADC_InitTypeDef ADC_InitStuctrue;ADC_InitStuctrue.ADC_Resolution=ADC_Resolution_12b;//12位精度ADC_InitStuctrue.ADC_ContinuousConvMode=DISABLE;//单次ADCADC_InitStuctrue.ADC_ExternalTrigConvEdge=ADC_ExternalTrigConvEdge_None;ADC_InitStuctrue.ADC_DataAlign=ADC_DataAlign_Right;//数据右对齐ADC_InitStuctrue.ADC_ScanDirection=ADC_ScanDirection_Backward;//数据覆盖ADC_Init(ADC1,&ADC_InitStuctrue);//配置ADC采样的通道和采样周期//PA0对应ADC通道0//注意，采集的数据是否准确与采样时间有关系ADC_ChannelConfig(ADC1,ADC_Channel_0,ADC_SampleTime_239_5Cycles);//如果采集系统内部温度，则通道为16，同时要使能温度传感器//ADC_ChannelConfig(ADC1,ADC_Channel_16,ADC_SampleTime_239_5Cycles);//ADC_TempSensorCmd(ENABLE);//校准ADC_GetCalibrationFactor(ADC1);//使能ADC_Cmd(ADC1,ENABLE);//等待ADC准备while(ADC_GetFlagStatus(ADC1,ADC_FLAG_ADEN)==RESET);//软件启动ADC转换ADC_StartOfConversion(ADC1);//等待ADC完成while(ADC_GetFlagStatus(ADC1,ADC_FLAG_EOC)==RESET);//所得数据即为ADC数据unsigned short adc_data=ADC_GetConversionValue(ADC1);/*//如果采集的是16通道，即芯片温度，则温度的值如下//下面这段代价，参考STM32F030数据手册（寄存器版）A.7.16//出厂校准数据所存储的地址，30°C和110°C的ADC值#define TEMP110_CAL_ADDR ((uint16_t*) ((uint32_t) 0x1FFFF7C2))#define TEMP30_CAL_ADDR ((uint16_t*) ((uint32_t) 0x1FFFF7B8))#define VDD_CALIB ((uint16_t) (330))#define VDD_APPLI ((uint16_t) (300))int32_t temperature;temperature = (((int32_t) ADC1->DR * VDD_APPLI / VDD_CALIB)- (int32_t) *TEMP30_CAL_ADDR );temperature = temperature * (int32_t)(110 - 30);temperature = temperature / (int32_t)(*TEMP110_CAL_ADDR- *TEMP30_CAL_ADDR);temperature = temperature + 30;*/while(1){}}
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