STM32-内部温度传感器-串口显示-完整程序

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 <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_ART_BaudRate = 115200;USART_ART_WordLength = USART_WordLength_8b;USART_ART_StopBits = USART_StopBits_1; USART_ART_Parity = USART_Parity_No;USART_ART_HardwareFlowControl = USART_HardwareFlowControl_None;USART_ART_Mode = USART_Mode_Rx | USART_Mode_Tx;STM_EV AL_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)&ADCConve rtedValue;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/* 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 = (ADCConvertedV alueLocal - a*1000 - b*100)/10;d = ADCConvertedValueLocal - a*1000 - b*100 - c*10;printf("\r\n 当前STM32芯片内部温度为：%d%d%d%d% ℃.\n\r", 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1GPIO_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 long??s32;typedef signed short s16;typedef signed char??s8;typedef signed long??const sc32;? typedef signed short const sc16;?typedef signed char??const sc8;?? typedef volatile signed long??vs32; typedef volatile signed short vs16;typedef volatile signed char??vs8;typedef volatile signed long??const vsc32;? typedef volatile signed short const vsc16;? typedef volatile signed char??const vsc8;?? typedef unsigned long??u32;typedef unsigned short u16;typedef unsigned char??u8;typedef unsigned long??const uc32;? typedef unsigned short const uc16;?typedef unsigned char??const uc8;??typedef volatile unsigned long??vu32;typedef volatile unsigned short vu16;typedef volatile unsigned char??vu8;typedef volatile unsigned long??const vuc32;?typedef volatile unsigned short const vuc16;?typedef volatile unsigned char??const 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 = !ERROR} ErrorStatus;#define U8_MAX?????((u8)255)#define S8_MAX?????((s8)127)#define S8_MIN?????((s8)-128)#define U16_MAX????((u16)65535u)#define S16_MAX????((s16)32767)#define S16_MIN????((s16)-32768)#define U32_MAX????#define S32_MAX????#define S32_MIN???? #endif。