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[STM32F4]

谁帮我看一下我移植到ucosII的ADC采样程序，多谢啦！

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wxjlive|  楼主 | 2014-10-23 16:57 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
移植, 采样程序, ucosii, ADC采样, ST
本帖最后由 wxjlive 于 2014-10-23 17:02 编辑

本人水平很low，在ucoII上移植一个ADC采样程序都不是太会，麻烦大神帮我看看这个程序啊，哪方面需要改进呢，我把原程序和我移植后的程序给大家看一下，看哪里不对，板子是没反应，串口助手也没反应，哎！
源程序：
复制
#include "stm32f4xx.h"

#include <stdio.h>

#include "stm324xg_lcd.h"



#define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)

#define PRINT_ON_LCD

#define  ADC1_DR_ADDRESS         ((uint32_t)0x4001204C) //ADC1 DR寄存器基地址



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;     // ADC为12位模数转换器，只有ADCConvertedValue的低12位有效

__IO uint16_t ADC1ConvertedValue = 0;

__IO uint32_t ADC1ConvertedVoltage = 0;



void ADC_GPIO_Configuration(void);

void ADC1_CH13_DMA_Config(void);

void Display(void);

void Display_Init(void);



static void Delay_ARMJISHU(__IO uint32_t nCount)

{

  for (; nCount != 0; nCount--)

  {

  }

}



void STM32_Shenzhou_COMInit(USART_InitTypeDef* USART_InitStruct)

{

  GPIO_InitTypeDef GPIO_InitStructure;

  RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);        /* Enable GPIO clock */

  RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE); /* Enable UART clock */

  GPIO_PinAFConfig(GPIOA, GPIO_PinSource9, GPIO_AF_USART1);         /* Connect PXx to USARTx_Tx*/



  /* Connect PXx to USARTx_Rx*/

  GPIO_PinAFConfig(GPIOA, GPIO_PinSource10, GPIO_AF_USART1);



  /* Configure USART Tx as alternate function  */

  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;

  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;

  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;



  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;

  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

  GPIO_Init(GPIOA, &GPIO_InitStructure);



  /* Configure USART Rx as alternate function  */

  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;

  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;

  GPIO_Init(GPIOA, &GPIO_InitStructure);



  USART_Init(USART1, USART_InitStruct);        /* USART configuration */ 

  USART_Cmd(USART1, ENABLE); /* Enable USART */

}



void Printf_Init(void)

{

  USART_InitTypeDef USART_InitStructure;   

  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;



  STM32_Shenzhou_COMInit(&USART_InitStructure);

}



int main(void)

{

  u16 ADCConvertedValueLocalTemp, ADCConvertedValueLocal, Precent = 0, Voltage = 0;

  

   /* 详见左侧工程窗口的STM32_EVAL中的Printf.c */

  Printf_Init();

  printf("\n\r\n");

  printf("\n\r 论坛后续还会有更多精彩的示例，欢迎访问论坛交流与学习."); 

  printf("\n\r 本示例为AD转换示例，串口输出转换结果，模拟信号来自板上的电位器！ \n\r");

  printf("\n\r==============================================================================");

  printf("\n\r");

  /* ADC1 configuration *******************************************************/

  /*  - Enable peripheral clocks                                              */

  /*  - DMA2_Stream0 channel2 configuration                                   */

  /*  - Configure ADC Channel7 pin as analog input                            */

  /*  - Configure ADC1 Channel7                                               */

  ADC1_CH13_DMA_Config();                          //ADC模数转化的初始化

  

  /* Start ADC1 Software Conversion */ 

  ADC_SoftwareStartConv(ADC1);                          //ADC模数转化的初始化



  printf("\r\n ARMJISHU.COM神舟王STM32F439IGT开发板  AD模数转换实验\n\n\r");

#ifdef PRINT_ON_LCD

  /* Display ADC converted value on LCD */

  Display_Init();

#endif  

  while (1)

  {

    #ifdef PRINT_ON_LCD

    /* Display ADC converted value on LCD */

        Display();

    #endif



    // 取两次采样的平均值

    ADCConvertedValueLocalTemp = ADC1ConvertedValue;

    Delay_ARMJISHU(80000);

    ADCConvertedValueLocal = ADC1ConvertedValue;

    ADCConvertedValueLocal = (ADCConvertedValueLocalTemp + ADCConvertedValueLocal) >> 1;

    

    Precent = (ADCConvertedValueLocal*100/0x1000);        //算出百分比

    Voltage = Precent*33;                                                  // 3.3V的电平，计算等效电平



    printf("\r 当前AD转换结果为：0x%X, 百分比为：%d%%，电压值：%d.%d%dV.  \r", 

    ADCConvertedValueLocal, Precent, Voltage/1000, (Voltage%1000)/100, (Voltage%100)/10);



    Delay_ARMJISHU(6000000);

  }       

}



PUTCHAR_PROTOTYPE

{

  /* Place your implementation of fputc here */

  /* e.g. write a character to the USART */

  USART_SendData(USART1, (uint8_t) ch);



  /* Loop until the end of transmission */

  while (USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET)

  {}



  return ch;

}





void ADC1_CH13_DMA_Config(void)

{

  ADC_InitTypeDef       ADC_InitStructure;

  ADC_CommonInitTypeDef ADC_CommonInitStructure;

  DMA_InitTypeDef       DMA_InitStructure;

  GPIO_InitTypeDef      GPIO_InitStructure;



  /* Enable ADC1, DMA2 and GPIO clocks ****************************************/

  RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2 | RCC_AHB1Periph_GPIOC, ENABLE);

  RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);



  /* DMA2 Stream0 channel2 configuration **************************************/

  DMA_InitStructure.DMA_Channel = DMA_Channel_0;  

  DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC1_DR_ADDRESS;

  DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&ADC1ConvertedValue;

  DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;

  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_FIFOMode = DMA_FIFOMode_Disable;         

  DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;

  DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;

  DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;

  DMA_Init(DMA2_Stream0, &DMA_InitStructure);

  DMA_Cmd(DMA2_Stream0, ENABLE);



  /* Configure PC.03 (ADC Channel13) as analog input -------------------------*/

  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;

  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;

  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;

  GPIO_Init(GPIOC, &GPIO_InitStructure);



  /* ADC Common Init **********************************************************/

  ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;

  ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;

  ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;

  ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;

  ADC_CommonInit(&ADC_CommonInitStructure);



  /* ADC1 Init ****************************************************************/

  ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;

  ADC_InitStructure.ADC_ScanConvMode = DISABLE;

  ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;

  ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;

  ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;

  ADC_InitStructure.ADC_NbrOfConversion = 1;         //顺序进行规则转换的ADC通道的数目，这个数目的取值范围为1-16//

  ADC_Init(ADC1, &ADC_InitStructure);



  /* ADC1 regular channel13 configuration *************************************/

  ADC_RegularChannelConfig(ADC1, ADC_Channel_13, 1, ADC_SampleTime_3Cycles);



 /* Enable DMA request after last transfer (Single-ADC mode) */

  ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);



  /* Enable ADC1 DMA */

  ADC_DMACmd(ADC1, ENABLE);



  /* Enable ADC1 */

  ADC_Cmd(ADC1, ENABLE);

}



#ifdef PRINT_ON_LCD

/**

  * [url=home.php?mod=space&uid=247401]@brief[/url]  Display ADC converted value on LCD

  * @param  None

  * @retval None

  */

void Display(void)

{

  uint32_t v=0,mv=0;

  uint8_t text[50];



  ADC1ConvertedVoltage = ADC1ConvertedValue *3300/0xFFF;



  v=(ADC1ConvertedVoltage)/1000;

  mv = (ADC1ConvertedVoltage%1000)/10;

  sprintf((char*)text,"   ADC = %d.%d V   ",v,mv);

  LCD_DisplayStringLine(LINE(6),text);

}



void Display_Init(void)

{

  /* Initialize the LCD */

  STM324xG_LCD_Init();



  /* Clear the LCD */ 

  LCD_Clear(White);



  LCD_DisplayWelcomeStr(LCD_LINE_8);



  /* Set the LCD Text size */

  LCD_SetFont(&Font8x12);



  /* Set the LCD Back Color and Text Color*/

  LCD_SetBackColor(Blue);

  LCD_SetTextColor(White);



  /* Display */

  LCD_DisplayStringLine(LINE(0x13), " ADC conversion w/ DMA transfer example ");



  /* Set the LCD Text size */

  LCD_SetFont(&Font16x24);



  /* Display */

  LCD_DisplayStringLine(LINE(0), "ADC Conversion @2Msps");





  /* Set the LCD Back Color and Text Color*/

  LCD_SetBackColor(White);

  LCD_SetTextColor(Blue);



  /* Display */

  LCD_DisplayStringLine(LINE(2),"  Turn R118(PC.03)    ");

  LCD_DisplayStringLine(LINE(4),"   Potentiometer     ");

}

#endif /* PRINT_ON_LCD */
复制
移植后：

#include "stm32f4xx.h"

#include "ucos_ii.h"

#include <stdio.h>

#include "Gpio.h"

#include "stm324xg_lcd.h"

#include "fonts.h"





//#define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)

#define  ADC1_DR_ADDRESS         ((uint32_t)0x4001204C) //ADC1 DR寄存器基地址

 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;     // ADC为12位模数转换器，只有ADCConvertedValue的低12位有效

__IO uint16_t ADC1ConvertedValue = 0;

__IO uint32_t ADC1ConvertedVoltage = 0;



#define TASKSamp_PRIO     5

#define TASKSamp_STK_SIZE 128





#define TASKUsart_PRIO     6

#define TASKUsart_STK_SIZE 128



#define TASKDisp_PRIO     7

#define TASKDisp_STK_SIZE 128





int fputc(int ch, FILE *f)

{

  /* Place your implementation of fputc here */

  /* e.g. write a character to the USART */

  USART_SendData(USART1, (uint8_t) ch);



  /* Loop until the end of transmission */

  while (USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET)

  {}



  return ch;

}



void STM32_Shenzhou_COMInit(USART_InitTypeDef* USART_InitStruct)

{

  GPIO_InitTypeDef GPIO_InitStructure;

  RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);        /* Enable GPIO clock */

  RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE); /* Enable UART clock */

  GPIO_PinAFConfig(GPIOA, GPIO_PinSource9, GPIO_AF_USART1);         /* Connect PXx to USARTx_Tx*/



  /* Connect PXx to USARTx_Rx*/

  GPIO_PinAFConfig(GPIOA, GPIO_PinSource10, GPIO_AF_USART1);



  /* Configure USART Tx as alternate function  */

  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;

  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;

  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;



  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;

  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

  GPIO_Init(GPIOA, &GPIO_InitStructure);



  /* Configure USART Rx as alternate function  */

  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;

  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;

  GPIO_Init(GPIOA, &GPIO_InitStructure);



  USART_Init(USART1, USART_InitStruct);        /* USART configuration */ 

  USART_Cmd(USART1, ENABLE); /* Enable USART */

}



void Printf_Init(void)

{

  USART_InitTypeDef USART_InitStructure;   

  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;



  STM32_Shenzhou_COMInit(&USART_InitStructure);

}



void ADC1_CH13_DMA_Config(void)

{

  ADC_InitTypeDef       ADC_InitStructure;

  ADC_CommonInitTypeDef ADC_CommonInitStructure;

  DMA_InitTypeDef       DMA_InitStructure;

  GPIO_InitTypeDef      GPIO_InitStructure;



  /* Enable ADC1, DMA2 and GPIO clocks ****************************************/

  RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2 | RCC_AHB1Periph_GPIOC, ENABLE);

  RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);



  /* DMA2 Stream0 channel2 configuration **************************************/

  DMA_InitStructure.DMA_Channel = DMA_Channel_0;  

  DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC1_DR_ADDRESS;

  DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&ADC1ConvertedValue;

  DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;

  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_FIFOMode = DMA_FIFOMode_Disable;         

  DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;

  DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;

  DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;

  DMA_Init(DMA2_Stream0, &DMA_InitStructure);

  DMA_Cmd(DMA2_Stream0, ENABLE);



  /* Configure PC.03 (ADC Channel13) as analog input -------------------------*/

  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;

  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;

  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;

  GPIO_Init(GPIOC, &GPIO_InitStructure);



  /* ADC Common Init **********************************************************/

  ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;

  ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;

  ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;

  ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;

  ADC_CommonInit(&ADC_CommonInitStructure);



  /* ADC1 Init ****************************************************************/

  ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;

  ADC_InitStructure.ADC_ScanConvMode = DISABLE;

  ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;

  ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;

  ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;

  ADC_InitStructure.ADC_NbrOfConversion = 1;         //顺序进行规则转换的ADC通道的数目，这个数目的取值范围为1-16//

  ADC_Init(ADC1, &ADC_InitStructure);



  /* ADC1 regular channel13 configuration *************************************/

  ADC_RegularChannelConfig(ADC1, ADC_Channel_13, 1, ADC_SampleTime_3Cycles);



 /* Enable DMA request after last transfer (Single-ADC mode) */

  ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);



  /* Enable ADC1 DMA */

  ADC_DMACmd(ADC1, ENABLE);



  /* Enable ADC1 */

  ADC_Cmd(ADC1, ENABLE);

}





/**

  * [url=home.php?mod=space&uid=247401]@brief[/url]  Display ADC converted value on LCD

  * @param  None

  * @retval None

  */



void Display_Init(void)

{

  /* Initialize the LCD */

  STM324xG_LCD_Init();



  /* Clear the LCD */ 

  LCD_Clear(White);



  LCD_DisplayWelcomeStr(LCD_LINE_8);



  /* Set the LCD Text size */

  LCD_SetFont(&Font8x12);



  /* Set the LCD Back Color and Text Color*/

  LCD_SetBackColor(Blue);

  LCD_SetTextColor(White);



  /* Display */

  LCD_DisplayStringLine(LINE(0x13), " ADC conversion w/ DMA transfer example ");



  /* Set the LCD Text size */

  LCD_SetFont(&Font16x24);



  /* Display */

  LCD_DisplayStringLine(LINE(0), "ADC Conversion @2Msps");





  /* Set the LCD Back Color and Text Color*/

  LCD_SetBackColor(White);

  LCD_SetTextColor(Blue);



  /* Display */

  LCD_DisplayStringLine(LINE(2),"  Turn R118(PC.03)    ");

  LCD_DisplayStringLine(LINE(4),"   Potentiometer     ");

}



void Display(void)

{

  uint32_t v=0,mv=0;

  uint8_t text[50];



  ADC1ConvertedVoltage = ADC1ConvertedValue *3300/0xFFF;



  v=(ADC1ConvertedVoltage)/1000;

  mv = (ADC1ConvertedVoltage%1000)/10;

  sprintf((char*)text,"   ADC = %d.%d V   ",v,mv);

  LCD_DisplayStringLine(LINE(6),text);

}





static void taskSamp(void *p_arg);

static void taskUsart(void *p_arg);

static void taskDisp(void *p_arg);





static OS_STK taskSamp_stk[TASKSamp_STK_SIZE];



static OS_STK taskUsart_stk[TASKUsart_STK_SIZE];



static OS_STK taskDisp_stk[TASKDisp_STK_SIZE];

static void systick_init(void)

{

    RCC_ClocksTypeDef rcc_clocks;

    RCC_GetClocksFreq(&rcc_clocks);

    SysTick_Config(rcc_clocks.HCLK_Frequency/OS_TICKS_PER_SEC);

}



int main(void)

{        

    

        OSInit();



    printf("\n\r\n");

    printf("\n\r 论坛后续还会有更多精彩的示例，欢迎访问论坛交流与学习."); 

    printf("\n\r 本示例为AD转换示例，串口输出转换结果，模拟信号来自板上的电位器！ \n\r");

    printf("\n\r==============================================================================");

    printf("\n\r"); 

    OSTaskCreate(taskSamp,(void*)0,&taskSamp_stk[TASKSamp_STK_SIZE - 1],TASKSamp_PRIO);

    OSStart();

    return 0;

}



static void taskSamp(void *p_arg)

{  

    systick_init();

        

   OSTaskCreate(taskUsart,(void*)0,&taskUsart_stk[TASKUsart_STK_SIZE - 1],TASKUsart_PRIO);

   OSTaskCreate(taskDisp,(void*)0,&taskDisp_stk[TASKDisp_STK_SIZE - 1],TASKDisp_PRIO);

 



          while(1)

   {

    ADC1_CH13_DMA_Config();                          //ADC模数转化的初始化  

  /* Start ADC1 Software Conversion */

    ADC_SoftwareStartConv(ADC1);                          //ADC模数转化的软件启动 

         

        OSTimeDly(8);



        }

  

    

  }



 static void taskUsart(void *p_arg)

{

  u16 ADCConvertedValueLocalTemp, ADCConvertedValueLocal, Percent = 0, Voltage = 0;

        Printf_Init();

  /* ADC1 configuration *******************************************************/

  /*  - Enable peripheral clocks                                              */

  /*  - DMA2_Stream0 channel2 configuration                                   */

  /*  - Configure ADC Channel7 pin as analog input                            */

  /*  - Configure ADC1 Channel7                                               */

        while(1)

   {

    // 取两次采样的平均值

    ADCConvertedValueLocalTemp = ADC1ConvertedValue;

        OSTimeDly(10);

        ADCConvertedValueLocal = ADC1ConvertedValue;

    ADCConvertedValueLocal = (ADCConvertedValueLocalTemp + ADCConvertedValueLocal) >> 1;

    

    Percent = (ADCConvertedValueLocal*100/0x1000);        //算出百分比

    Voltage = Percent*33;                                                  // 3.3V的电平，计算等效电平

        printf("\r\n ARMJISHU.COM神舟王STM32F439IGT开发板  AD模数转换实验\n\n\r");



    printf("\r 当前AD转换结果为：0x%X, 百分比为：%d%%，电压值：%d.%d%dV.  \r", 

    ADCConvertedValueLocal, Percent, Voltage/1000, (Voltage%1000)/100, (Voltage%100)/10);

    

        OSTimeDly(5);



        }

  

}





static void taskDisp(void *p_arg)

{

  Display_Init();

  while (1)

  {

     

          Display();

    

           OSTimeDly(2);

   }  

        

}
感觉自己只是作了简单的修改，还请大家多指点指点哇~  

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wxjlive|  楼主 | 2014-10-23 17:06 | 只看该作者
谁能给指点指点啊，多谢啦，在线等。。

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板凳
mmuuss586| | 2014-10-23 19:31 | 只看该作者
这么长；
先不要上系统看看；
串口和ADC是否正确

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地板
596142041| | 2014-10-23 21:42 | 只看该作者
感觉你的任务函数不对，代码有点长啊！还不是一般的长

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