stm32内部AD采样程序

stm32内部AD采样程序stm32内部AD采样程序stm32内部AD采样程序xxx公司stm32内部AD采样程序文件编号：文件日期：修订次数：第1.0次更改批准审核制定方案设计，管理制度*Input:None

*Output:None

*Return:None

*******************************************************************************/

voidRCC_Configuration(void)

{/*RCCsystemreset(fordebugpurpose)*/

RCC_DeInit();

/*EnableHSE*/

RCC_HSEConfig(RCC_HSE_ON);

/*WaittillHSEisready*/

HSEStartUpStatus=RCC_WaitForHSEStartUp();

if(HSEStartUpStatus==SUCCESS)

{

/*HCLK=SYSCLK*/

RCC_HCLKConfig(RCC_SYSCLK_Div1);

/*PCLK2=HCLK*/

RCC_PCLK2Config(RCC_HCLK_Div1);

/*PCLK1=HCLK/2*/

RCC_PCLK1Config(RCC_HCLK_Div2);

/*ADCCLK=PCLK2/4*/

RCC_ADCCLKConfig(RCC_PCLK2_Div8);

/*Flash2waitstate*/

FLASH_SetLatency(FLASH_Latency_2);

/*EnablePrefetchBuffer*/

FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);

/*PLLCLK=8MHz*9=56MHz*/

RCC_PLLConfig(RCC_PLLSource_HSE_Div1,RCC_PLLMul_9);

/*EnablePLL*/

RCC_PLLCmd(ENABLE);

/*WaittillPLLisready*/

while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY)==RESET)

{

}

/*SelectPLLassystemclocksource*/

RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);

/*WaittillPLLisusedassystemclocksource*/

while(RCC_GetSYSCLKSource()!=0x08)

{

}

}

/*Enableperipheralclocks--------------------------------------------------*/

/*EnableDMAclock*/

RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1,ENABLE);

/*EnableADC1andGPIOCclock*/

RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1|RCC_APB2Periph_GPIOC,ENABLE);

/*EnableUSART1andGPIOAclock*/

*Input:None

*Output:None

*Return:None

*******************************************************************************/

voidGPIO_Configuration(void)

{

GPIO_InitTypeDefGPIO_InitStructure;

/*Configure(ADCChannel13)asanaloginput-------------------------*/

=GPIO_Pin_3;

=GPIO_Mode_AIN;

GPIO_Init(GPIOC,&GPIO_InitStructure);

asOutputpush-pull

=GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3;

=GPIO_Speed_50MHz;

=GPIO_Mode_Out_PP;

GPIO_Init(GPIOF,&GPIO_InitStructure);

}

#ifdefDEBUG

/*******************************************************************************

*FunctionName:assert_failed

*Description:Reportsthenameofthesourcefileandthesourcelinenumber

*wheretheasserterrorhasoccurred.

*Input:-file:pointertothesourcefilename

*-line:asserterrorlinesourcenumber

*Output:None

*Return:None

*******************************************************************************/

voidassert_failed(u8*file,u32line)

{

/*Usercanaddhisownimplementationtoreportthefilenameandlinenumber,

ex:printf("Wrongparametersvalue:file%sonline%d\r\n",file,line)*/

/*Infiniteloop*/

while(1)

{

}

}

#endif

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