STM32-内部温度传感器-串口显示-完整程序.doc

STM32F103 内部温度传感器 用串口传递到PC上显示程序如下：#include stm32f10x.h#include stm32_eval.h#include stm32f10x_conf.h#include #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 */ DMA_Cmd(DMA1_Channel1, ENABLE); /* Enable ADC1 and GPIOC clock */ RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_GPIOC, ENABLE); /使能ADC和GPIOC时钟 /* ADC1 configuration -*/ ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;/独立的转换模式 ADC_InitStructure.ADC_ScanConvMode = ENABLE; /开启扫描模式 ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; /开启连续转换模式 ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;/ADC外部开关，关闭状态 ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; /对齐方式,ADC为12位中，右对齐方式 ADC_InitStructure.ADC_NbrOfChannel = 1; /开启通道数，1个 ADC_Init(ADC1, &ADC_InitStructure); /* ADC1 regular channel13 configuration */ ADC_RegularChannelConfig(ADC1, ADC_Channel_16, 1, ADC_SampleTime_55Cycles5); /ADC通道组， 第11个通道 采样顺序1，转换时间 /* Enable ADC1 DMA */ ADC_DMACmd(ADC1, ENABLE); /ADC命令，使能 /* Enable ADC1 */ ADC_TempSensorVrefintCmd(ENABLE); /使能温度传感器和内部参考电压通道 ADC_Cmd(ADC1, ENABLE); /开启ADC1/* Enable ADC1 reset calibaration register */ ADC_ResetCalibration(ADC1); /重新校准 /* Check the end of ADC1 reset calibration register */ while(ADC_GetResetCalibrationStatus(ADC1); /等待重新校准完成 /* Start ADC1 calibaration */ ADC_StartCalibration(ADC1);/开始校准 /* Check the end of ADC1 calibration */ while(ADC_GetCalibrationStatus(ADC1); /等待校准完成 /* Start ADC1 Software Conversion */ ADC_SoftwareStartConvCmd(ADC1, ENABLE);/连续转换开始，ADC通过DMA方式不断的更新RAM区。 while (1) vu16 Temperature,a,b,c,d; ADCConvertedValueLocal = ADCConvertedValue; Temperature=(1.43-ADCConvertedValueLocal*3.3/4096)*1000/4.35 + 25;ADCConvertedValueLocal= Temperature;a =ADCConvertedValueLocal /1000;b = (ADCConvertedValueLocal - a*1000)/100;c = (ADCConvertedValueLocal - a*1000 - b*100)/10;d = ADCConvertedValueLocal - a*1000 - b*100 - c*10;printf(rn 当前STM32芯片内部温度为：%d%d%d%d% .nr, a, b, c, d); Delay_ARMJISHU(8000000); void ADC_GPIO_Configuration(void) /ADC配置函数 GPIO_InitTypeDef GPIO_InitStructure; /PC0 作为模拟通道10输入引脚 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0; /管脚1 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;/输入模式 GPIO_Init(GPIOC, &GPIO_InitStructure); /GPIO组超级终端显示如下：关于一些数据格式的定义解释：#ifndef _STM32F10x_TYPE_H#define _STM32F10x_TYPE_Htypedef signed longs32;typedef signed short s16;typedef signed chars8;typedef signed longconst sc32;typedef signed short const sc16;typedef signed charconst sc8;typedef volatile signed longvs32;typedef volatile signed short vs16;typedef volatile signed charvs8;typedef volatile signed longconst vsc32;typedef volatile signed short const vsc16;typedef volatile signed charconst vsc8;typedef unsigned longu32;typedef unsigned short u16;typedef unsigned charu8;typedef unsigned longconst uc32;typedef unsigned short const uc16;typedef unsigned charconst uc8;typedef volatile unsigned longvu32;typedef volatile unsigned short vu16;typedef volatile unsigned charvu8;typedef volatile unsigned longconst vuc32;typedef volatile unsigned short const vuc16;typedef volatile unsigned charconst vuc8;typedef enum FALSE = 0, TRUE = !FALSE bool;typedef enum RESET = 0, SET = !RESET FlagStatus, ITStatus;typedef enum DISABLE = 0, ENABLE = !DISABLE FunctionalState;#define IS_FUNCTIONAL_STATE(STATE) (STATE) = DISABLE) | (STATE) = ENABLE)typedef enum ERROR = 0, SUCCESS = !ER