/*-------------------------------------------------------------------------------
文件名稱：usart.c
文件描述：adc庫函數
硬件平臺：尼莫M3S開發板
???????????----------------------------------------------------
??????????|????????????????????????????????????????????????????|
??????????|?PC1?-?ADC1?連接外部電壓（通過一個滑動變阻器分壓）|
??????????|????????????????????????????????????????????????????|
???????????----------------------------------------------------
編寫整理：shifang
固件庫??：V3.5
技術論壇：www.doflye.net
備????注：通過簡單修改可以移植到其他開發板，部分資料來源于網絡。
---------------------------------------------------------------------------------*/

#include?“adc.h“

#define?ADC1_DR_Address????（（u32）0x40012400+0x4c）

__IO?uint16_t?ADC_ConvertedValue;


/*
?*?函數名：ADC1_GPIO_Config
?*?描述??：使能ADC1和DMA1的時鐘，初始化PC.01
?*?輸入??:?無
?*?輸出??：無
?*?調用??：內部調用
?*/
static?void?ADC1_GPIO_Config（void）
{
	GPIO_InitTypeDef?GPIO_InitStructure;
	
	/*?Enable?DMA?clock?*/
	RCC_AHBPeriphClockCmd（RCC_AHBPeriph_DMA1?ENABLE）;
	
	/*?Enable?ADC1?and?GPIOC?clock?*/
	RCC_APB2PeriphClockCmd（RCC_APB2Periph_ADC1?|?RCC_APB2Periph_GPIOC?ENABLE）;
	
	/*?Configure?PC.01??as?analog?input?*/
	GPIO_InitStructure.GPIO_Pin?=?GPIO_Pin_1;
	GPIO_InitStructure.GPIO_Mode?=?GPIO_Mode_AIN;
	GPIO_Init（GPIOC?&GPIO_InitStructure）;				//?PC1輸入時不用設置速率
}


/*?函數名：ADC1_Mode_Config
?*?描述??：配置ADC1的工作模式為MDA模式
?*?輸入??:?無
?*?輸出??：無
?*?調用??：內部調用
?*/
static?void?ADC1_Mode_Config（void）
{
	DMA_InitTypeDef?DMA_InitStructure;
	ADC_InitTypeDef?ADC_InitStructure;
	
	/*?DMA?channel1?configuration?*/
	DMA_DeInit（DMA1_Channel1）;
	DMA_InitStructure.DMA_PeripheralbaseAddr?=?ADC1_DR_Address;	?//ADC地址????定義DMA外設基地址
	DMA_InitStructure.DMA_MemorybaseAddr?=?（u32）&ADC_ConvertedValue;//內存地址
	DMA_InitStructure.DMA_DIR?=?DMA_DIR_PeripheralSRC;?//外設作為數據傳輸的來源；DMA_DIR_PeripheralDST-外設作為數據傳輸的目的地
	DMA_InitStructure.DMA_BufferSize?=?1;
	DMA_InitStructure.DMA_PeripheralInc?=?DMA_PeripheralInc_Disable;//外設地址固定
	DMA_InitStructure.DMA_MemoryInc?=?DMA_MemoryInc_Disable;??//內存地址固定
	DMA_InitStructure.DMA_PeripheralDataSize?=?DMA_PeripheralDataSize_HalfWord;	//半字
	DMA_InitStructure.DMA_MemoryDataSize?=?DMA_MemoryDataSize_HalfWord;
	DMA_InitStructure.DMA_Mode?=?DMA_Mode_Circular;		//循環傳輸
	DMA_InitStructure.DMA_Priority?=?DMA_Priority_High;
	DMA_InitStructure.DMA_M2M?=?DMA_M2M_Disable;
	DMA_Init（DMA1_Channel1?&DMA_InitStructure）;
	
	/*?Enable?DMA?channel1?*/
	DMA_Cmd（DMA1_Channel1?ENABLE）;
	
	/*?ADC1?configuration?*/
	
	ADC_InitStructure.ADC_Mode?=?ADC_Mode_Independent;	//獨立ADC模式
	ADC_InitStructure.ADC_ScanConvMode?=?DISABLE?;?	?//禁止掃描模式，掃描模式用于多通道采集
	ADC_InitStructure.ADC_ContinuousConvMode?=?ENABLE;	//開啟連續轉換模式，即不停地進行ADC轉換
	ADC_InitStructure.ADC_ExternalTrigConv?=?ADC_ExternalTrigConv_None;	//不使用外部觸發轉換
	ADC_InitStructure.ADC_DataAlign?=?ADC_DataAlign_Right;?	//采集數據右對齊
	ADC_InitStructure.ADC_NbrOfChannel?=?1;	?	//要轉換的通道數目1????取值范圍是1~16
	ADC_Init（ADC1?&ADC_InitStructure）;
	
	/*配置ADC時鐘，為PCLK2的8分頻，即9Hz*/
	RCC_ADCCLKConfig（RCC_PCLK

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-01-17?11:01??STM32-ADC轉換\
?????目錄???????????0??2019-01-17?11:01??STM32-ADC轉換\HARDWAE\
?????目錄???????????0??2019-01-17?11:00??STM32-ADC轉換\HARDWAE\adc\
?????文件????????4142??2018-11-03?17:12??STM32-ADC轉換\HARDWAE\adc\adc.c
?????文件?????????192??2015-03-02?14:48??STM32-ADC轉換\HARDWAE\adc.h
?????目錄???????????0??2019-01-17?11:00??STM32-ADC轉換\HARDWAE\beep\
?????文件????????1075??2015-01-28?15:46??STM32-ADC轉換\HARDWAE\beep\beep.c
?????文件?????????395??2015-01-28?15:55??STM32-ADC轉換\HARDWAE\beep.h
?????目錄???????????0??2019-01-17?11:00??STM32-ADC轉換\HARDWAE\delay\
?????文件????????1843??2015-01-28?11:12??STM32-ADC轉換\HARDWAE\delay\delay.c
?????文件?????????285??2015-01-28?11:13??STM32-ADC轉換\HARDWAE\delay.h
?????目錄???????????0??2019-01-17?11:00??STM32-ADC轉換\HARDWAE\key\
?????文件????????1517??2015-01-28?11:21??STM32-ADC轉換\HARDWAE\key\key.c
?????文件?????????391??2015-01-28?11:21??STM32-ADC轉換\HARDWAE\key.h
?????目錄???????????0??2019-01-17?11:00??STM32-ADC轉換\HARDWAE\led\
?????文件????????1187??2015-01-28?11:13??STM32-ADC轉換\HARDWAE\led\led.c
?????文件?????????601??2015-01-28?11:13??STM32-ADC轉換\HARDWAE\led.h
?????目錄???????????0??2019-01-17?11:00??STM32-ADC轉換\HARDWAE\timer\
?????文件????????1703??2015-01-28?15:35??STM32-ADC轉換\HARDWAE\timer\timer.c
?????文件?????????194??2015-01-28?15:35??STM32-ADC轉換\HARDWAE\timer.h
?????目錄???????????0??2019-01-17?11:00??STM32-ADC轉換\HARDWAE\usart\
?????文件????????3416??2015-03-03?08:55??STM32-ADC轉換\HARDWAE\usart\usart.c
?????文件?????????190??2015-03-02?14:50??STM32-ADC轉換\HARDWAE\usart.h
?????目錄???????????0??2019-01-17?11:00??STM32-ADC轉換\USER\
?????文件????????1387??2015-03-25?18:37??STM32-ADC轉換\USER\main.c
?????文件??????352957??2018-11-03?15:24??STM32-ADC轉換\USER\main.crf
?????文件????????1337??2018-11-03?15:24??STM32-ADC轉換\USER\main.d
?????文件??????391760??2018-11-03?15:24??STM32-ADC轉換\USER\main.o
?????文件????????3259??2011-04-04?19:03??STM32-ADC轉換\USER\stm32f10x_conf.h
?????文件????????4474??2015-01-27?14:29??STM32-ADC轉換\USER\stm32f10x_it.c
?????文件??????347783??2018-11-03?15:24??STM32-ADC轉換\USER\stm32f10x_it.crf
............此處省略10個文件信息