STM32 内部温度传感器 串口显示 完整程序.docVIP

STM32 内部温度传感器 串口显示 程序如下： #include stm32f10x.h #include stm32_eval.h #include stm32f10x_conf.h #include stdio.h #define DR_ADDRESS ((uint32_t)0x4001244C) //ADC1 DR寄存器基地址 USART_InitTypeDef USART_InitStructure; //串口初始化结构体声明 ADC_InitTypeDef ADC_InitStructure; //ADC初始化结构体声明 DMA_InitTypeDef DMA_InitStructure; //DMA初始化结构体声明 __IO uint16_t ADCConvertedValue; // 在内存中声明一个可读可写变量用来存放AD的转换结果，低12 位有效 void ADC_GPIO_Configuration(void); static void Delay_ARMJISHU(__IO uint32_t nCount) { for (; nCount != 0; nCount--);} int main(void) { u16 ADCConvertedValueLocal; USART_InitStructure.USART_BaudRate = 115200; USART_InitStructure.USART_WordLength = USART_WordLength_8b; USART_InitStructure.USART_StopBits = USART_StopBits_1; USART_InitStructure.USART_Parity = USART_Parity_No; USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; STM_EVAL_COMInit(COM1, USART_InitStructure); /* Enable DMA1 clock */ RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE); DMA_DeInit(DMA1_Channel1); //开启DMA1的第一通道 DMA_InitStructure.DMA_PeripheralBaseAddr = DR_ADDRESS; DMA_InitStructure.DMA_MemoryBaseAddr=(uint32_t)ADCConvertedValue; DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC; //DMA的转换模式为SRC模式，由外设搬移到内存 DMA_InitStructure.DMA_BufferSize = 1; //DMA缓存大小，1个 DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; //接收一次数据后，设备地址禁止后移 DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable; //关闭接收一次数据后，目标内存地址后移 DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; //定义外设数据宽度为16位 DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord; //DMA搬移数据尺寸，HalfWord就是为16位 DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; //转换模式，循环缓存模式。 DMA_InitStructure.DMA_Priority = DMA_Priority_High; //DMA优先级高 DMA_InitStructure.DMA_M2M = DMA_M2M_Disable; //M2M模式禁用 DMA_Init(DMA1_Channel1, DMA_InitStructure); /* Enable DMA1 channel1 */