#define ADC1_DR_Address ((u32)0x40012400+0x4c)
__IO uint16_t ADC_ConvertedValue;
//__IO u16 ADC_ConvertedValueLocal;
/**
* @brief ê1ÄüADC1oíDMA1μÄê±Öó￡¬3õê¼»ˉPC.0
* @param ÎT
* @retval ÎT
*/
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_GPIOA | RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOC, ENABLE);
/* Configure PA.0 - 7 as analog input */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOA, &GPIO_InitStructure);
/* Configure PB.0 - 1 as analog input */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOB, &GPIO_InitStructure);
/* Configure PC.0 as analog input */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5;;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOC, &GPIO_InitStructure); // PC0,êäèëê±2»óÃéèÖÃËùÂê
}
/**
* @brief ÅäÖÃADC1μÄ1¤×÷Ä￡ê½ÎaMDAÄ￡ê½
* @param ÎT
* @retval ÎT
*/
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; //ADCμØÖ·
DMA_InitStructure.DMA_MemoryBaseAddr = (u32)&ADC_ConvertedValue; //Äú′æμØÖ·
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = 320; // DMAí¨μàμÄDMA»o′æ′óD¡ = N·ADC * ÿ¸öí¨μà×a»»′Îêy
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; //íaéèμØÖ·1춨
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; //Äú′æμØÖ·μYÔö
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; //°ë×Ö
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord; //êy¾Y¿í¶è16λ
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; //Ñ-»·′«êä
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; //¶àá￠ADCÄ￡ê½
ADC_InitStructure.ADC_ScanConvMode = ENABLE ; //é¨ÃèÄ￡ê½￡¬é¨ÃèÄ￡ê½óÃóú¶àí¨μà2é¼ˉ
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; //¿aÆôá¬Dø×a»»Ä￡ê½￡¬¼′2»í￡μؽøDDADC×a»»
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; //2»ê1óÃía2¿′￥·￠×a»»
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //2é¼ˉêy¾Yóò¶ÔÆë
ADC_InitStructure.ADC_NbrOfChannel = 16; //òa×a»»μÄí¨μàêyÄ¿1
ADC_Init(ADC1, &ADC_InitStructure);
ADC_RegularChannelConfig(ADC1, ADC_Channel_0, 1, ADC_SampleTime_239Cycles5);//Ñ¡Ôñí¨μà1,′ÎDò1,2éÑù239.5ÖüÆú
ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 2, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_2, 3, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_3, 4, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 5, ADC_SampleTime_239Cycles5);//????1,??1,??239.5??
ADC_RegularChannelConfig(ADC1, ADC_Channel_5, 6, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_6, 7, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_7, 8, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_8, 9, ADC_SampleTime_239Cycles5);//????1,??1,??239.5??
ADC_RegularChannelConfig(ADC1, ADC_Channel_9, 10, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 11, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_11, 12, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_12, 13, ADC_SampleTime_239Cycles5);//????1,??1,??239.5??
ADC_RegularChannelConfig(ADC1, ADC_Channel_13, 14, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 15, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_15, 16, ADC_SampleTime_239Cycles5);
/*ÅäÖÃADCê±Öó￡¬ÎaPCLK2μÄ6·ÖÆμ￡¬¼′12MHz*/
RCC_ADCCLKConfig(RCC_PCLK2_Div8);
/*ÅäÖÃADC1μÄí¨μà11Îa55. 5¸ö2éÑùÖüÆú￡¬DòáDÎa1 */
ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 1, ADC_SampleTime_55Cycles5);
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/*¸′λD￡×¼¼Ä′æÆ÷ */
ADC_ResetCalibration(ADC1);
/*μè′yD￡×¼¼Ä′æÆ÷¸′λíê3é */
while(ADC_GetResetCalibrationStatus(ADC1));
/* ADCD￡×¼ */
ADC_StartCalibration(ADC1);
/* μè′yD￡×¼íê3é*/
while(ADC_GetCalibrationStatus(ADC1));
/* óéóúûóD2éóÃía2¿′￥·￠￡¬ËùòÔê1óÃèí¼t′￥·￠ADC×a»» */
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}
/**
* @brief ADC13õê¼»ˉ
* @param ÎT
* @retval ÎT
*/
void ADC1_Init(void)
{
ADC1_GPIO_Config();
ADC1_Mode_Config();
}
void RCC_Configuration(void)
{
SystemInit();//72m
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE); //GPIOA
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO,ENABLE); //AFIO
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE); //GPIOC
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC,ENABLE); //GPIOC
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1,ENABLE); //ADC
RCC_ADCCLKConfig(RCC_PCLK2_Div6); //12M ??14M
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE); //??DMA??
}
void NVIC_Configuration(void)
{
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel1_IRQn;//????
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; //1
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; //0
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = ADC1_2_IRQn;//????
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; //1
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; //0
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
/*********************************************END OF FILE**********************/
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