STM32 Introductory Learning ADC (STM32F030F4P6 based Coocox IDE)

#include "stm32_lib/inc/stm32f0xx_rcc.h" #include "stm32_lib/inc/stm32f0xx_adc.h" #include "stm32_lib/inc/stm32f0xx
	_gpio.h "int main (void) {//Clock configuration rcc_ahbperiphclockcmd (Rcc_ahbperiph_gpioa, ENABLE);

	Rcc_apb2periphclockcmd (rcc_apb2periph_adc1,enable);
	ADC IO configuration, where the PA0 port is defined as the ADC ports 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 parameter configuration adc_inittypedef adc_initstuctrue; ADC_INITSTUCTRUE.ADC_RESOLUTION=ADC_RESOLUTION_12B;//12 bit accuracy adc_initstuctrue.adc_continuousconvmode=disable;//
	One-time ADC adc_initstuctrue.adc_externaltrigconvedge=adc_externaltrigconvedge_none; adc_initstuctrue.adc_dataalign=adc_dataalign_right;//Data right-justified adc_initstuctrue.adc_scandirection=adc_scandirection

	_backward;//Data Coverage adc_init (adc1,&adc_initstuctrue); Configure the channel and sample period for ADC sampling//PA0 for the ADC Channel 0//Note that the accuracy of the data collected is related to the sampling time Adc_channelconfig (adc1,adc_channel_0,adc_sampletime_239_
	5Cycles); If the internal temperature of the system is collected, the channel is16, at the same time to enable the temperature sensor//adc_channelconfig (adc1,adc_channel_16,adc_sampletime_239_5cycles);

	Adc_tempsensorcmd (ENABLE);
	Calibration Adc_getcalibrationfactor (ADC1);
	Enable Adc_cmd (adc1,enable);
	Wait for the ADC to prepare while (Adc_getflagstatus (Adc1,adc_flag_aden) ==reset);
	Software to start ADC conversion adc_startofconversion (ADC1);
	Wait for the ADC to complete while (Adc_getflagstatus (ADC1,ADC_FLAG_EOC) ==reset);

	The resulting data is the ADC data unsigned short adc_data=adc_getconversionvalue (ADC1); /*//If the acquisition is 16 channels, that is the chip temperature, the value of the temperature is as follows//below this price, refer to the STM32F030 Data Sheet (register version) a.7.16///factory calibration data stored address, 30°c and 110°c ADC value #define Temp110_ Cal_addr ((uint16_t*) ((uint32_t) 0x1ffff7c2)) #define TEMP30_CAL_ADDR ((uint16_t*) ((uint32_t) 0x1ffff7b8) #define VDD
	_calib (uint16_t) #define VDD_APPLI ((uint16_t)) 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) {}}