一个8通道adc连续转换的程序.doc

/* Function Name : main* Description : Main program* Input : None* Output : None* Return : None*/int main(void)#ifdef DEBUG debug();#endif /* System clocks configuration -*/ RCC_Configuration(); /* NVIC configuration -*/ NVIC_Configuration(); /* GPIO configuration -*/ GPIO_Configuration(); LcdShow_Init(); /* DMA1 channel1 configuration -*/ DMA_DeInit(DMA1_Channel1); DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;/外设地址 DMA_InitStructure.DMA_MemoryBaseAddr = (u32)ADC_RCVTab;/内存地址 DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;/dma传输方向单向 DMA_InitStructure.DMA_BufferSize = 160;/设置DMA在传输时缓冲区的长度 word DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;/设置DMA的外设递增模式，一个外设 DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;/设置DMA的内存递增模式， DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;/外设数据字长 DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;/内存数据字长 DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;/设置DMA的传输模式：连续不断的循环模式 DMA_InitStructure.DMA_Priority = DMA_Priority_High;/设置DMA的优先级别 DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;/设置DMA的2个memory中的变量互相访问 DMA_Init(DMA1_Channel1, &DMA_InitStructure); /* Enable DMA1 channel1 */ DMA_Cmd(DMA1_Channel1, ENABLE); /* ADC1 configuration -*/ ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;/独立工作模式 ADC_InitStructure.ADC_ScanConvMode = ENABLE;/扫描方式 ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;/连续转换 ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;/外部触发禁止 ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;/数据右对齐 ADC_InitStructure.ADC_NbrOfChannel = 8;/用于转换的通道数 ADC_Init(ADC1, &ADC_InitStructure); /* ADC1 regular channels configuration 规则模式通道配置*/ ADC_RegularChannelConfig(ADC1, ADC_Channel_8 , 1, ADC_SampleTime_239Cycles5); ADC_RegularChannelConfig(ADC1, ADC_Channel_9 , 2, ADC_SampleTime_239Cycles5); ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 3, ADC_SampleTime_239Cycles5); ADC_RegularChannelConfig(ADC1, ADC_Channel_11, 4, ADC_SampleTime_239Cycles5); ADC_RegularChannelConfig(ADC1, ADC_Channel_12, 5, ADC_SampleTime_239Cycles5); ADC_RegularChannelConfig(ADC1, ADC_Channel_13, 6, ADC_SampleTime_239Cycles5); ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 7, ADC_SampleTime_239Cycles5); ADC_RegularChannelConfig(ADC1, ADC_Channel_15, 8, ADC_SampleTime_239Cycles5); /* Enable ADC1 DMA 使能ADC1 DMA*/ ADC_DMACmd(ADC1, ENABLE); /* Enable ADC1 使能ADC1*/ ADC_Cmd(ADC1, ENABLE); /* Enable ADC1 reset calibaration register */ ADC_ResetCalibration(ADC1); /* Check the end of ADC1 reset calibration register */ while(ADC_GetResetCalibrationStatus(ADC1); /* Start ADC1 calibaration */ ADC_StartCalibration(ADC1); /* Check the end of ADC1 calibration */ while(ADC_GetCalibrationStatus(ADC1); /* Start ADC1 Software Conversion */ ADC_SoftwareStartConvCmd(ADC1, ENABLE); while(1) vu16 value1 = 0; vu16 value2 = 0; vu16 value3 = 0; vu16 value4 = 0; vu16 value5 = 0; vu16 value6 = 0; vu16 value7 = 0; vu16 value8 = 0;value1 = average(ADC_RCVTab,0);value2 = average(ADC_RCVTab,1);value3 = average(ADC_RCVTab,2);value4 = average(ADC_RCVTab,3);value5 = average(ADC_RCVTab,4);value6 = average(ADC_RCVTab,5);value7 = average(ADC_RCVTab,6);value8 = average(ADC_RCVTab,7); u8 num1 = value3 % 10; u8 num2 = (value3 / 10) % 10; u8 num3= (value3 / 100) % 10; u8 num4 = value3 / 1000; if (num1 9) display3 = num1 + (65 - 10); else display3 = num1 + (48-0); if (num2 9) display2 = num2 +(65 - 10); else di