EEPW论坛

用ADC写满一页，全部输出：

#include <stm32f10x.h>     
#include "stm32_eval.h"      
#include <stdio.h>      
#include "spi_flash.h"      
#define VREF 3.3      
#define TxBufferSize1   (countof(TxBuffer1) - 1)      
#define RxBufferSize1   (countof(TxBuffer1) - 1)      
#define countof(a)      (sizeof(a) / sizeof(*(a)))      
#define  BufferSize (countof(Tx_Buffer)-1)      
typedef enum { FAILED = 0, PASSED = !FAILED} TestStatus;      
#define  FLASH_WriteAddress     0x00000      
#define  FLASH_ReadAddress      FLASH_WriteAddress      
#define  FLASH_SectorToErase    FLASH_WriteAddress      
#define  sFLASH_ID              0xEF3015     //W25X16      
//#define  sFLASH_ID              0xEF4015   //W25Q16      
#define buff_size  16;           
char rx_buff_count=0;      
      
uint8_t Tx_Buffer[4096] ;  //????    
uint8_t Rx_Buffer[BufferSize];  //????    
__IO uint32_t DeviceID = 0;  //??ID    
__IO uint32_t FlashID = 0; //??ID     
__IO TestStatus TransferStatus1 = FAILED;  //????    
  
  
/**************????*******************/      
void delay_us(u32 n)        
{        
    u8 j;        
    while(n--)        
    for(j=0;j<10;j++);        
}          
void  delay_ms(u32 n)        
{        
    while(n--)        
    delay_us(1000);        
}     
     
void Delay(__IO uint32_t nCount);      
TestStatus Buffercmp(uint8_t* pBuffer1, uint8_t* pBuffer2, uint16_t BufferLength);             
GPIO_InitTypeDef   GPIO_InitStructure;      
USART_InitTypeDef USART_InitStructure;      
USART_ClockInitTypeDef USART_ClockInitStructure;      
      
char *int_to_string(int number,char *strnum)//??????????      
{      
int j=0,i=0,n=0;      
char temp;      
while(number>0)      
{      
*(strnum+j)=number%10+48;      
j++;      
number=number/10;      
n++;      
}      
      
          
for(i=0;i<n/2;i++)      
{      
temp=*(strnum+j+i-n);      
*(strnum+j+i-n)=*(strnum+j-i-1);      
*(strnum+j-i-1)=temp;      
}      
strnum[n]='\0';      
return strnum;      
}      
      
void RCC_Configuration(void)      
{      
  RCC_DeInit();          
  RCC_DeInit();//?RCC?????????         
  RCC_HSICmd(ENABLE);//????????      
  while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);//HSI????reset      
  RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI);//??HSI??????       
  RCC_HSEConfig(RCC_HSE_OFF);//HSE???      
  RCC_LSEConfig(RCC_LSE_OFF);//LSE???      
  RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_9); //  72HMz      
  RCC_PLLCmd(ENABLE);//??PLL??      
  while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET);      
  RCC_ADCCLKConfig(RCC_PCLK2_Div4);//ADC??=PCLK/4      
  RCC_PCLK2Config(RCC_HCLK_Div1);//APB2??=HCLK      
  RCC_PCLK1Config(RCC_HCLK_Div2);//APB1??=HCLK/2      
  RCC_HCLKConfig(RCC_SYSCLK_Div1);//AHB??=????      
  RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);//??PLL??????      
  while(RCC_GetSYSCLKSource() != 0x08);   
    
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);      
  GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG      
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;      
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;      
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;      
  GPIO_Init(GPIOD, &GPIO_InitStructure);      
  GPIO_ResetBits(GPIOD,GPIO_Pin_2);//?????     
    
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_AFIO, ENABLE);      
  GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG      
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;      
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;      
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;      
  GPIO_Init(GPIOC, &GPIO_InitStructure);      
  GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7);      
  RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);      
}       
      
void USART_int(long BaudRate)      
{      
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_USART1,ENABLE);      
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;      
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;      
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;       
    GPIO_Init(GPIOA, &GPIO_InitStructure);      
    /* PA10 USART1_Rx  */      
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;      
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;      
    GPIO_Init(GPIOA, &GPIO_InitStructure);      
    /* USARTx configured as follow:   
        - BaudRate = 115200 baud     
        - Word Length = 8 Bits   
        - One Stop Bit   
        - No parity   
        - Hardware flow control disabled (RTS and CTS signals)   
        - Receive and transmit enabled   
    */      
  USART_InitStructure.USART_BaudRate = BaudRate;    
  USART_InitStructure.USART_BaudRate = BaudRate;//usart?????      
  USART_InitStructure.USART_WordLength = USART_WordLength_8b;//???????8bit      
  USART_InitStructure.USART_StopBits = USART_StopBits_1;//??????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;//????,????      
  USART_ClockInitStructure.USART_Clock = USART_Clock_Disable;//???????              
  USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low;//?????             
  USART_ClockInitStructure.USART_CPHA = USART_CPHA_2Edge;//????????????                 
  USART_ClockInitStructure.USART_LastBit = USART_LastBit_Disable;//???????????SCLK??      
  USART_ClockInit(USART1, &USART_ClockInitStructure);//??USART1??      
  USART_Init(USART1, &USART_InitStructure);//???USART1      
  USART_Cmd(USART1, ENABLE);//??USART1??      
  USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);//????      
  USART_Cmd(USART1, ENABLE);     
}      
      
TestStatus Buffercmp(uint8_t* pBuffer1, uint8_t* pBuffer2, uint16_t BufferLength)      
{      
  while(BufferLength--)      
  {      
    if(*pBuffer1 != *pBuffer2)      
    {      
      return FAILED;      
    }      
      
    pBuffer1++;      
    pBuffer2++;      
  }      
  return PASSED;      
}      
      
void Delay(__IO uint32_t nCount)      
{      
  for(; nCount != 0; nCount--);      
}      
      
void ADC_CONFIG(){      
    ADC_InitTypeDef ADC_InitStructure;      
    #if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL)      
  /* ADCCLK = PCLK2/2 */      
  RCC_ADCCLKConfig(RCC_PCLK2_Div2);       
#else      
  /* ADCCLK = PCLK2/4 */      
  RCC_ADCCLKConfig(RCC_PCLK2_Div4);       
#endif      
ADC_DeInit(ADC1);      
  /* Enable ADC1 and GPIOC clock */      
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_GPIOB, ENABLE);      
          
    /* Configure PB0 (ADC Channel14) as analog input -------------------------*/      
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;      
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;      
  GPIO_Init(GPIOB, &GPIO_InitStructure);      
          
        
  /* ADC1 configuration ------------------------------------------------------*/      
  ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;      
  ADC_InitStructure.ADC_ScanConvMode = ENABLE;      
  ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;      
  ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;      
  ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;      
  ADC_InitStructure.ADC_NbrOfChannel = 1;      
  ADC_Init(ADC1, &ADC_InitStructure);      
      
      
  /* Enable ADC1 DMA */      
  ADC_DMACmd(ADC1, ENABLE);      
        
  /* Enable ADC1 */      
  ADC_Cmd(ADC1, ENABLE);      
      
}      
      
int Get_ADC(){      
     /* ADC1 regular channel configuration */       
  ADC_RegularChannelConfig(ADC1, ADC_Channel_8, 1, ADC_SampleTime_55Cycles5);      
    /* Enable ADC1 reset calibration register */         
  ADC_ResetCalibration(ADC1);      
  /* Check the end of ADC1 reset calibration register */      
  while(ADC_GetResetCalibrationStatus(ADC1));      
      
  /* Start ADC1 calibration */      
  ADC_StartCalibration(ADC1);      
  /* Check the end of ADC1 calibration */      
  while(ADC_GetCalibrationStatus(ADC1));      
           
  /* Start ADC1 Software Conversion */       
  ADC_SoftwareStartConvCmd(ADC1, ENABLE);      
          
    return ADC_GetConversionValue(ADC1);      
}      
      
      
void SPI_TEST()    
{     
    int i=0;          
    int ADValue = 0;      
    float Volt=0.00;    
//    char shuzu[100];    
    for(i=0;i<5;i++){  
      ADValue = Get_ADC();    
      Volt = VREF*ADValue/4095;    
      printf("===============================\r\n");    
      printf("The ADC value is:%d\r\n",ADValue);    
      printf("The Volt is:%f V\r\n",Volt);    
      delay_ms(500);                         
}      
        
    printf("\r\n????2M SPI??flash(W25X16)?? \r\n");    
    SPI_FLASH_Init();    
    /* Get SPI Flash Device ID */    
    DeviceID = SPI_FLASH_ReadDeviceID();    
    Delay( 200 );    
    /* Get SPI Flash ID */    
    FlashID = SPI_FLASH_ReadID();    
    printf("\r\n FlashID is 0x%X,  Manufacturer Device ID is 0x%X\r\n", FlashID, DeviceID);    
    /* Check the SPI Flash ID */    
    if (FlashID == sFLASH_ID)  /* #define  sFLASH_ID  0xEF3015 */    
    {    
        printf("\r\n ?????flash W25X16 !\r\n");    
        /* Erase SPI FLASH Sector to write on */    
        SPI_FLASH_SectorErase(FLASH_SectorToErase);          
            
        /*??????*/    
        SPI_FLASH_BufferWrite(Tx_Buffer, FLASH_WriteAddress, BufferSize);    
        printf("\r\n??????:%s \r\t", Tx_Buffer);    
            
        /* ?????????*/    
        SPI_FLASH_BufferRead(Rx_Buffer, FLASH_ReadAddress, BufferSize);    
        printf("\r\n??????:%s \r\n", Rx_Buffer);    
          
        TransferStatus1 = Buffercmp(Tx_Buffer, Rx_Buffer, BufferSize);    
            
        if( PASSED == TransferStatus1 )    
        {        
            printf("\r\n 2M SPI??flash(W25X16)????!\n\r");    
        }    
        else    
        {            
            printf("\r\n 2M SPI??flash(W25X16)????!\n\r");    
        }    
    }// if (FlashID == sFLASH_ID)    
    else    
    {        
        printf("\r\n ???? W25X16 ID!\n\r");    
    }    
        
    SPI_Flash_PowerDown();      
    printf("\r\n=================================================\n\r");    
}      
  
int main(void)      
{              
  RCC_Configuration();      
  USART_int(115200);       
  ADC_CONFIG();      
  printf(" config done...\r\n");     
  Get_ADC();    
  delay_ms(1000);      
  while(1){  
    SPI_TEST();      
    delay_ms(1000);      
}      
}      
         
#ifdef  USE_FULL_ASSERT      
       
void assert_failed(uint8_t* file, uint32_t line)      
{       
  while (1)      
  {      
  }      
}      
      
#endif         
#ifdef __GNUC__      
  /* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf   
     set to 'Yes') calls __io_putchar() */      
  #define PUTCHAR_PROTOTYPE int __io_putchar(int ch)      
#else      
  #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)      
#endif /* __GNUC__ */      
         
PUTCHAR_PROTOTYPE      
{      
  /* Place your implementation of fputc here */      
  /* e.g. write a character to the USART */      
  USART_SendData(EVAL_COM1, (uint8_t) ch);       
  /* Loop until the end of transmission */      
  while (USART_GetFlagStatus(EVAL_COM1, USART_FLAG_TC) == RESET)      
  {}      
      
  return ch;      
}      
      
#ifdef  USE_FULL_ASSERT      
     
void assert_failed(uint8_t* file, uint32_t line)      
{       
  while (1)      
  {      
  }      
}      
      
#endif