#include?“adc.h“
#include?“delay.h“					???
//////////////////////////////////////////////////////////////////////////////////	?
//本程序只供學(xué)習(xí)使用，未經(jīng)作者許可，不得用于其它任何用途
//ALIENTEK?MiniSTM32開發(fā)板
//ADC?代碼	???
//正點原子@ALIENTEK
//技術(shù)論壇:www.openedv.com
//修改日期:2014/3/9
//版本：V1.0
//版權(quán)所有，盜版必究。
//Copyright（C）?廣州市星翼電子科技有限公司?2009-2019
//All?rights?reserved									??
//////////////////////////////////////////////////////////////////////////////////?
	???
//初始化ADC
//這里我們僅以規(guī)則通道為例
//我們默認僅開啟通道1																	???
void??Adc_Init（void）
{????
	//先初始化IO口
?	RCC->APB2ENR|=1<<2;????//使能PORTA口時鐘?
	GPIOA->CRL&=0XFFFFFF0F;//PA1?anolog輸入
	//通道10/11設(shè)置			?
	RCC->APB2ENR|=1<<9;????//ADC1時鐘使能	??
	RCC->APB2RSTR|=1<<9;???//ADC1復(fù)位
	RCC->APB2RSTR&=~（1<<9）;//復(fù)位結(jié)束	????
	RCC->CFGR&=~（3<<14）;???//分頻因子清零	
	//SYSCLK/DIV2=12M?ADC時鐘設(shè)置為12MADC最大時鐘不能超過14M!
	//否則將導(dǎo)致ADC準確度下降!?
	RCC->CFGR|=2<<14;??????	?
	ADC1->CR1&=0XF0FFFF;???//工作模式清零
	ADC1->CR1|=0<<16;??????//獨立工作模式??
	ADC1->CR1&=~（1<<8）;????//非掃描模式	??
	ADC1->CR2&=~（1<<1）;????//單次轉(zhuǎn)換模式
	ADC1->CR2&=~（7<<17）;	???
	ADC1->CR2|=7<<17;	???//軟件控制轉(zhuǎn)換??
	ADC1->CR2|=1<<20;??????//使用用外部觸發(fā)（SWSTART）!!!	必須使用一個事件來觸發(fā)
	ADC1->CR2&=~（1<<11）;???//右對齊	?
	ADC1->SQR1&=~（0XF<<20）;
	ADC1->SQR1|=0<<20;?????//1個轉(zhuǎn)換在規(guī)則序列中?也就是只轉(zhuǎn)換規(guī)則序列1?			???
	//設(shè)置通道1的采樣時間
	ADC1->SMPR2&=~（7<<3）;??//通道1采樣時間清空	??
?	ADC1->SMPR2|=7<<3;?????//通道1??239.5周期提高采樣時間可以提高精確度	?
	ADC1->CR2|=1<<0;	???//開啟AD轉(zhuǎn)換器	?
	ADC1->CR2|=1<<3;???????//使能復(fù)位校準??
	while（ADC1->CR2&1<<3）;?//等待校準結(jié)束?			?
????//該位由軟件設(shè)置并由硬件清除。在校準寄存器被初始化后該位將被清除。?		?
	ADC1->CR2|=1<<2;????????//開啟AD校準	???
	while（ADC1->CR2&1<<2）;??//等待校準結(jié)束
	//該位由軟件設(shè)置以開始校準，并在校準結(jié)束時由硬件清除??
}

//獲得ADC值
//ch:通道值?0~16
//返回值:轉(zhuǎn)換結(jié)果
u16?Get_Adc（u8?ch）???
{
	//設(shè)置轉(zhuǎn)換序列	??		?
	ADC1->SQR3&=0XFFFFFFE0;//規(guī)則序列1?通道ch
	ADC1->SQR3|=ch;		??			????
	ADC1->CR2|=1<<22;???????//啟動規(guī)則轉(zhuǎn)換通道?
	while（!（ADC1->SR&1<<1））;//等待轉(zhuǎn)換結(jié)束	?	???
	return?ADC1->DR;		//返回adc值	
}
//獲取通道ch的轉(zhuǎn)換值，取times次然后平均?
//ch:通道編號
//times:獲取次數(shù)
//返回值:通道ch的times次轉(zhuǎn)換結(jié)果平均值
u16?Get_Adc_Average（u8?chu8?times）
{
	u32?temp_val=0;
	u8?t;
	for（t=0;t	{
		temp_val+=Get_Adc（ch）;
		delay_ms（5）;
	}
	return?temp_val/times;
}?
	?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-08-12?17:34??STM32F103上位機\
?????目錄???????????0??2019-01-08?09:42??STM32F103上位機\HARDWARE\
?????目錄???????????0??2019-01-08?09:43??STM32F103上位機\HARDWARE\ADC\
?????文件????????2585??2014-03-09?11:36??STM32F103上位機\HARDWARE\ADC\adc.c
?????文件?????????794??2014-03-09?11:36??STM32F103上位機\HARDWARE\ADC\adc.h
?????目錄???????????0??2015-04-11?15:10??STM32F103上位機\HARDWARE\EXTI\
?????文件????????1617??2014-03-06?18:19??STM32F103上位機\HARDWARE\EXTI\exti.c
?????文件?????????667??2014-03-06?17:46??STM32F103上位機\HARDWARE\EXTI\exti.h
?????目錄???????????0??2019-01-17?15:51??STM32F103上位機\HARDWARE\HC05\
?????文件????????4554??2019-01-17?15:51??STM32F103上位機\HARDWARE\HC05\hc05.c
?????文件????????1020??2019-01-17?15:51??STM32F103上位機\HARDWARE\HC05\hc05.h
?????目錄???????????0??2019-01-17?15:51??STM32F103上位機\HARDWARE\KEY\
?????文件????????1779??2019-01-17?15:51??STM32F103上位機\HARDWARE\KEY\key.c
?????文件?????????879??2019-01-17?15:51??STM32F103上位機\HARDWARE\KEY\key.h
?????目錄???????????0??2019-01-17?15:54??STM32F103上位機\HARDWARE\LCD\
?????文件???????35016??2014-01-02?17:22??STM32F103上位機\HARDWARE\LCD\FONT.H
?????文件???????85309??2019-01-17?15:54??STM32F103上位機\HARDWARE\LCD\ILI93xx.c
?????文件????????8263??2015-04-25?17:38??STM32F103上位機\HARDWARE\LCD\LCD.h
?????目錄???????????0??2015-04-11?15:10??STM32F103上位機\HARDWARE\LED\
?????文件?????????953??2014-03-05?20:27??STM32F103上位機\HARDWARE\LED\led.c
?????文件?????????695??2014-03-05?20:27??STM32F103上位機\HARDWARE\LED\led.h
?????目錄???????????0??2015-04-11?15:10??STM32F103上位機\HARDWARE\OLED\
?????文件????????7275??2014-03-07?18:46??STM32F103上位機\HARDWARE\OLED\oled.c
?????文件????????1908??2014-03-07?18:18??STM32F103上位機\HARDWARE\OLED\oled.h
?????文件???????35017??2014-01-02?11:23??STM32F103上位機\HARDWARE\OLED\oledfont.h
?????目錄???????????0??2015-04-11?15:10??STM32F103上位機\HARDWARE\TIMER\
?????文件????????4184??2014-03-07?17:21??STM32F103上位機\HARDWARE\TIMER\timer.c
?????文件????????1014??2014-03-07?17:21??STM32F103上位機\HARDWARE\TIMER\timer.h
?????目錄???????????0??2015-04-11?15:10??STM32F103上位機\HARDWARE\USART2\
?????文件????????5083??2014-04-03?12:50??STM32F103上位機\HARDWARE\USART2\usart2.c
?????文件????????1251??2014-04-03?12:50??STM32F103上位機\HARDWARE\USART2\usart2.h
............此處省略215個文件信息