關于STM32F103VC的SPI通信問題（AT45DB642D）

ID:58348 · 發表于 2014-8-21 10:50

本帖最后由姍姍于 2014-8-21 10:54 編輯

寫數據總是寫不進去，有關程序如下：             /***SPI_ReadWrite_Byte()****SPI發送或接收1字節***********************/

static u8 SPI_ReadWrite_Byte(u8 byte)
      {
      /*等待發送寄存器空*/
      while((SPI2->SR & SPI_I2S_FLAG_TXE)==RESET);
         /*發送一個字節*/
      SPI2->DR = byte;
      /* 等待接收寄存器有效*/
      while((SPI2->SR & SPI_I2S_FLAG_RXNE)==RESET);
      return (SPI2->DR);
                                             }

/***Dataflash_read_status()*****讀取狀態寄存器**************************/

u8 Dataflash_read_status(void)
      {
      u8 data;

      SPI_Data_Flash_AT_SELECT();                   //片選Dataflash
      SPI_ReadWrite_Byte(AT45DB_READ_STATE_REGISTER);
      data = SPI_ReadWrite_Byte(0x00);
      SPI_Data_Flash_AT_DESELECT();
      return data;
                                                               }

/***SPI_Data_Flash_Busy_Detect()*******Data Flash  檢測忙*******************/

u8 SPI_Data_Flash_Busy_Detect(void)
      {
      u16 i=0;

      if((Dataflash_read_status() & AT45DB_DATAFLASH_BUSY_BIT) == 0)
      {
            for(i=0;i<0xff;i++);
      if((Dataflash_read_status() & AT45DB_DATAFLASH_BUSY_BIT) == 0)
         return 0; //空閑返回0
      else
         return 1;  //忙返回1
                                                         }
      else
      {
         return 1;  //忙返回1
                                                         }
                                                            }

bufferPageWrite(u8* data,u16 size,u16 buffer_add,FLASH_BUFFER_NUM buffer_num)
   {
   u16 i;
   if(SPI_Data_Flash_Busy_Detect()==0)             //==0 Data Flash空閑
   {
   SPI_Data_Flash_AT_SELECT();                      //片選Dataflash if (buffer_num == FLASH_BUFFER1)
   if (buffer_num == FLASH_BUFFER1)
   {
   SPI_ReadWrite_Byte(AT45DB_BUFFER_1_WRITE);
   }
   else
   {
   SPI_ReadWrite_Byte(AT45DB_BUFFER_2_WRITE);
   }
   SPI_ReadWrite_Byte(0x00);
   SPI_ReadWrite_Byte(0x00|(buffer_add>>8));
   SPI_ReadWrite_Byte(buffer_add);

   for (i=0; i<size; i++)
   {
   SPI_ReadWrite_Byte(data);

                           }
   SPI_Data_Flash_AT_DESELECT();
                                       }
                                                            }

void FlashPageWrite(u16 page,u8 *Data)             //寫一整頁
      {
      u16 i;
               while(SPI_Data_Flash_Busy_Detect());

               SPI_Data_Flash_AT_SELECT();                   //片選Dataflash if (buffer_num == FLASH_BUFFER1)

               SPI_ReadWrite_Byte(AT45DB_B1_TO_MM_PAGE_PROG_WITH_ERASE);
               while(SPI_Data_Flash_Busy_Detect());
               if ( page < 8192)
               {
               SPI_Data_Flash_AT_SELECT();                   //片選Dataflash if (buffer_num == FLASH_BUFFER1)
               SPI_ReadWrite_Byte((u8)(page>>5));
               SPI_ReadWrite_Byte((u8)(page<<3));
               SPI_ReadWrite_Byte(0x00);

               while(SPI_Data_Flash_Busy_Detect());

                                                   }

               for (i = 0;i <512; i++)
               {

               SPI_ReadWrite_Byte(Data);

                                             }
               SPI_Data_Flash_AT_DESELECT();
                                                         }

在線等，謝謝!

ID:1 · 發表于 2014-8-21 13:43

/*******************************************************
說明：
   次程序成功實現SPI簡單通信配置，能實現SPI1發送
數據，SPI2接收數據簡單通信功能，僅供測試使用。
*******************************************************/
#include "stm32f10x_lib.h"
#include "stm32f10x_conf.h"
#include "ili9320.h"
/****************************/
#define  LCD_X_ADDR  190
#define  LCD_Y_ADDR  100

vu16  SPI_IDx  = 0; //Reveive Data
u16 SPI_ID_Temp = 0; //接收數據備份，用于判斷接收到的數據是否發生變化
u16 SPI_ID[4]; //位顯示數據
/********** 函數聲明 *********/
void RCC_Configuration(void);
void NVIC_Configuration(void);
void GPIO_Configuration(void);
void SPI_Configuration(void);
void Sys_Init(void);
void LCD_Print_Out(void);
/********** 系統初始化 ******************/
void Sys_Init(void)
{
#ifdef DEBUG
debug();
#endif
   //----- 模塊初始化配置 -------
   RCC_Configuration();
   NVIC_Configuration();
   GPIO_Configuration();
   SPI_Configuration();
   //--------- LCD -----------
   Lcd_Configuration();
   ili9320_Initializtion();
   ili9320_Clear(0);
   ili9320_PutChar(LCD_X_ADDR,    LCD_Y_ADDR, 0x30 + 0, 65535, 0);
}
/******* 主函數 **********/
int main(void)
{
   Sys_Init();
   while(1)
   {
         LCD_Print_Out();
   }
}
/******** 用于調試LCD顯示數據界面 *********/
void LCD_Print_Out(void)
{
   //如果數據發生變化，則執行數據更新
   if(SPI_ID_Temp != SPI_IDx)
   {
      if(SPI_IDx >= 1000)
      {
            SPI_ID[0] = SPI_IDx  % 10;
            SPI_ID[1] = (SPI_IDx % 100) / 10;
            SPI_ID[2] = (SPI_IDx / 100) % 10;
            SPI_ID[3] = SPI_IDx  / 1000;
            ili9320_PutChar(LCD_X_ADDR,    LCD_Y_ADDR, 0x30 + SPI_ID[0], 65535, 0);
            ili9320_PutChar(LCD_X_ADDR - 8,  LCD_Y_ADDR, 0x30 + SPI_ID[1], 65535, 0);
            ili9320_PutChar(LCD_X_ADDR - 16, LCD_Y_ADDR, 0x30 + SPI_ID[2], 65535, 0);
            ili9320_PutChar(LCD_X_ADDR - 24, LCD_Y_ADDR, 0x30 + SPI_ID[3], 65535, 0);
      }
      else if(SPI_IDx >= 100)
      {
            SPI_ID[0] = SPI_IDx  % 10;
            SPI_ID[1] = (SPI_IDx / 10) % 10;
            SPI_ID[2] = SPI_IDx  / 100;
            ili9320_PutChar(LCD_X_ADDR,    LCD_Y_ADDR, 0x30 + SPI_ID[0], 65535, 0);
            ili9320_PutChar(LCD_X_ADDR - 8,  LCD_Y_ADDR, 0x30 + SPI_ID[1], 65535, 0);
            ili9320_PutChar(LCD_X_ADDR - 16, LCD_Y_ADDR, 0x30 + SPI_ID[2], 65535, 0);
            ili9320_PutChar(LCD_X_ADDR - 24, LCD_Y_ADDR, 0x30 + SPI_ID[3], 0,    0);
      }
      else if(SPI_IDx >= 10)
      {
            SPI_ID[0] = SPI_IDx % 10;
            SPI_ID[1] = SPI_IDx / 10;
            ili9320_PutChar(LCD_X_ADDR,    LCD_Y_ADDR,  0x30 + SPI_ID[0], 65535, 0);
            ili9320_PutChar(LCD_X_ADDR - 8,  LCD_Y_ADDR,  0x30 + SPI_ID[1], 65535, 0);
            ili9320_PutChar(LCD_X_ADDR - 16, LCD_Y_ADDR, 0x30 + SPI_ID[2], 0,    0);
            ili9320_PutChar(LCD_X_ADDR - 24, LCD_Y_ADDR, 0x30 + SPI_ID[3], 0,    0);
      }
      else
      {
            SPI_ID[0] = SPI_IDx % 10;
            ili9320_PutChar(LCD_X_ADDR, LCD_Y_ADDR, 0x30 + SPI_ID[0], 65535, 0);
            ili9320_PutChar(LCD_X_ADDR - 8,  LCD_Y_ADDR, 0x30 + SPI_ID[1], 0, 0);
            ili9320_PutChar(LCD_X_ADDR - 16, LCD_Y_ADDR, 0x30 + SPI_ID[2], 0, 0);
            ili9320_PutChar(LCD_X_ADDR - 24, LCD_Y_ADDR, 0x30 + SPI_ID[3], 0, 0);
      }
      SPI_ID_Temp = SPI_IDx;  //數據備份，為判斷數據是否發生變化
}
}
/**************************************************************************/
/**************************************************************************/
/****** 系統時鐘配置函數 ********/
void RCC_Configuration(void)
{
   ErrorStatus  HSEStartUpStatus;

   RCC_DeInit();       //RCC system reset(for debug purpose)
   RCC_HSEConfig(RCC_HSE_ON);    //Enable HSE
   HSEStartUpStatus = RCC_WaitForHSEStartUp();  //Wait till HSE is ready
   if(HSEStartUpStatus == SUCCESS)
   {
         FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable); //Enable Prefetch Buffer
         FLASH_SetLatency(FLASH_Latency_2);    //Set 2 Latency cycles
         RCC_HCLKConfig(RCC_SYSCLK_Div1); //AHB clock  = SYSCLK
         RCC_PCLK2Config(RCC_HCLK_Div2);  //APB2 clock = HCLK/2
         RCC_PCLK1Config(RCC_HCLK_Div4);  //APB1 clock = HCLK/4
         RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9); //PLLCLK = 8MHz * 9 = 72 MHz
         RCC_PLLCmd(ENABLE);       //Enable PLL
         while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET);  //Wait till PLL is ready
         RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK); //Select PLL as system clock source
         while(RCC_GetSYSCLKSource() != 0x08);  //Wait till PLL is used as system clock source
         //-----------------------------------------------------
         RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB
               | RCC_APB2Periph_SPI1, ENABLE); //GPIOD clock ENABLE
         RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE); //TIM2  clock ENABLE
   }
}
/****** 中斷配置函數 ********/
void NVIC_Configuration(void)
{
   NVIC_InitTypeDef NVIC_InitStructure;

   //--- 在內存中進行調試 -----
#ifdef VECT_TAB_RAM
   NIVC_SetVectorTable(NVIC_VectTab_RAM, 0x0);
   //--- 在FLASH中進行調試 ----
#else
   NVIC_SetVectorTable(NVIC_VectTab_FLASH,0x0);
#endif

   //---- 配置TIM2中斷，并使能 -----
   NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
   NVIC_InitStructure.NVIC_IRQChannel = SPI1_IRQChannel;
   NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
   NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
   NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
   NVIC_Init(&NVIC_InitStructure);
//------------------------------------
NVIC_InitStructure.NVIC_IRQChannel = SPI2_IRQChannel;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_Init(&NVIC_InitStructure);
}

/********** 通用I/O配置函數 ***************/
void GPIO_Configuration(void)
{
GPIO_InitTypeDef GPIO_InitStructure;

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7;
GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
//------------------
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
GPIO_Init(GPIOB, &GPIO_InitStructure);
}
/*****************************************************
函數名稱：SPI_Configuration(void)
功能說明：SPI通信模塊配置，配置SPI工作模式；
輸入參數：無
返回值  ：無
*****************************************************/
void SPI_Configuration(void)
{
SPI_InitTypeDef SPI_InitStructure;
//--------------------- SPI1 configuration ------------------
SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
SPI_InitStructure.SPI_DataSize  = SPI_DataSize_16b;
SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;
SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge;
SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_4;
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
SPI_InitStructure.SPI_CRCPolynomial  = 7;
SPI_Init(SPI1, &SPI_InitStructure);
//--------- SPI2 configuration ------------------
SPI_InitStructure.SPI_Mode = SPI_Mode_Slave;
SPI_Init(SPI2, &SPI_InitStructure);
//--------- Enable SPI1 TXE interrupt ------------
SPI_I2S_ITConfig(SPI1, SPI_I2S_IT_TXE, ENABLE);
//--------- Enable SPI2 RXNE interrupt -------------
SPI_I2S_ITConfig(SPI2, SPI_I2S_IT_RXNE, ENABLE);
//----- Enable SPI2 ------
SPI_Cmd(SPI2, ENABLE);
//----- Enable SPI1 ----
SPI_Cmd(SPI1, ENABLE);
}
/*************************************************/
#ifdef DEBUG
void assert_failed(u8 *file, u32 line)
{
while(1)
  {}
}
#endif

/***********************************************************/
/***********************************************************/

#include "stm32f10x_it.h"
/****************************/
extern vu16  SPI_IDx;
/*********** TX發送中斷服務子程序 *********************/
void SPI1_IRQHandler(void)
{
//-------- 發送數據 ----------
SPI_I2S_SendData(SPI1, 47);
}
/*********** RX接收中斷服務子程序 ****************/
void SPI2_IRQHandler(void)
{
//------------- 接收數據 ------------
SPI_IDx = SPI_I2S_ReceiveData(SPI2);
}

ID:58348 · 發表于 2014-8-21 13:50

admin 發表于 2014-8-21 13:43
/*******************************************************
說明：
次程序成功實現SPI簡單通信配 ...

謝謝，好的，我試下。。

ID:1 · 發表于 2014-8-21 16:24

m3的 AT45DB642D 驅動打開這里下載：http://www.zg4o1577.cn/stm32/4165.html

ID:58348 · 發表于 2014-8-22 14:14

admin 發表于 2014-8-21 16:24
m3的 AT45DB642D 驅動打開這里下載：http://www.zg4o1577.cn/stm32/4165.html

非常感謝！

ID:58348 · 發表于 2014-8-22 14:14

admin 發表于 2014-8-21 16:24
m3的 AT45DB642D 驅動打開這里下載：http://www.zg4o1577.cn/stm32/4165.html

非常感謝！

ID:26188 · 發表于 2014-8-22 14:15

搞定了嗎美女

ID:58348 · 發表于 2014-9-10 10:19

hujia 發表于 2014-8-22 14:15
搞定了嗎美女

已搞定，謝謝！！

ID:210996 · 發表于 2017-12-12 09:53

666666，感謝分享

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關于STM32F103VC的SPI通信問題（AT45DB642D）