[mw_shl_code=c,true]主函数部分[/mw_shl_code]
[mw_shl_code=c,true]#include "stm32f10x.h"
#include "ADC.h"
#include "USART1.h"
extern __IO uint16_t ADC_ConvertedValue;
float ADC_ConvertedValueLocal;
void Delay(__IO uint32_t nCount)
{
for(; nCount != 0; nCount--);
}
int main()
{
USART1_Config();
printf("\r\n This is a ADC Demo 001 \r\n");
ADC1_DMA1_Config();
printf("\r\n This is a ADC Demo 002 \r\n");
printf("\r\n ????????ADC???é \r\n");
while(1)
{
ADC_ConvertedValueLocal =(float) ADC_ConvertedValue/4096*3.3;
printf("\r\n The current AD value = 0x%04X \r\n", ADC_ConvertedValue);
printf("\r\n The current AD value = %f V \r\n",ADC_ConvertedValueLocal);
Delay(0xffffee);
}
}
[/mw_shl_code]
[mw_shl_code=c,true]
[/mw_shl_code]
[mw_shl_code=c,true]
[/mw_shl_code]
[mw_shl_code=c,true]ADC部分[/mw_shl_code]
[mw_shl_code=c,true]
[mw_shl_code=c,true]#include "stm32f10x.h"
#include "ADC.h"
__IO uint16_t ADC_ConvertedValue;
void ADC1_DMA1_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
ADC_InitTypeDef ADC_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_ADC1,ENABLE);
RCC_ADCCLKConfig(RCC_PCLK2_Div6);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1,ENABLE);
GPIO_DeInit(GPIOC);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
//GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOC,&GPIO_InitStructure);
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)&ADC_ConvertedValue;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = 1;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1,&DMA_InitStructure);
DMA_Cmd(DMA2_Channel1,ENABLE);
ADC_DeInit(ADC1);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC1,&ADC_InitStructure);
ADC_Cmd(ADC1,ENABLE);
ADC_ResetCalibration(ADC1);
while(ADC_GetResetCalibrationStatus(ADC1));
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1));
ADC_RegularChannelConfig(ADC1,ADC_Channel_11,1,ADC_SampleTime_55Cycles5);
ADC_SoftwareStartConvCmd(ADC1,ENABLE);
}
[/mw_shl_code]
串口部分就不上了问题应该不会再串口[/mw_shl_code]
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发表于 2015-3-14 13:07:32
发表于 2015-3-14 13:07:33
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