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標題: STM8S的I2C讀寫AT24C02源程序,實際可用 [打印本頁]
作者: 精選生活    時間: 2018-1-4 22:34
標題: STM8S的I2C讀寫AT24C02源程序,實際可用
實際可用。


單片機源程序如下:

  2. /******************** (C) COPYRIGHT  風馳電子嵌入式開發工作室 ********************
  3. * 文件名  ：main.c
  4. * 描述    ：I2C EPPROM 的讀寫     
  5. * 實驗平臺：風馳電子STM8開發板
  6. * 庫版本  ：V2.0.0
  7. * 作者    ：ling_guansheng   
  8. **********************************************************************************/

  10. /* Includes ------------------------------------------------------------------*/
  11. /* Includes ------------------------------------------------------------------*/
  12. #include "stm8s.h"
  13. #include "stm8s_clk.h"
  14. #include "intrinsics.h"
  15. #include "stm8s_uart1.h"
  16. #include "uart.h"
  17. #include "i2c_ee.h"


  20. extern u8 RxBuffer[RxBufferSize];
  21. extern u8 UART_RX_NUM;
  22. u8 Tx1_Buffer[] = "Hi!STM8";
  23. /* Private variables ---------------------------------------------------------*/

  25. #define BASE_ADDRESS ((u16)0x0000)
  26. #define countof(a) (sizeof(a) / sizeof(*(a)))
  27. #define BufferSize1             (countof(Tx1_Buffer)-1)
  28. u8 Rx1_Buffer[BufferSize1];

  30. /* Private function prototypes -----------------------------------------------*/
  31. /* Private functions ---------------------------------------------------------*/
  32. void Delay(u32 nCount);

  34. int main(void)
  35. {
  36.     /* Infinite loop */
  37.   /*設置內部時鐘16M為主時鐘*/
  38.     CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1);
  39.   /*!<Set High speed internal clock  */
  40.     I2C_DeInit();
  41.     Uart_Init();
  42.     /* Initialize the I2C */
  43.     I2C_EEInit();
  44.     I2C_EE_PageWrite(Tx1_Buffer, BASE_ADDRESS, BufferSize1 );
  45.     Delay(2000); /* To let eeprom the time to finish the write operation */
  46.     I2C_EE_BufferRead(Rx1_Buffer, BASE_ADDRESS, BufferSize1 );
  47.     UART1_SendString("What is writed into a page of AT24C02 EEPROM:",\
  48.                      sizeof("What is writed into a page of AT24C02 EEPROM:"));
  49.     Delay(0xfff);
  50.     UART1_SendString(Tx1_Buffer,BufferSize1);
  51.     Delay(0xffff);
  52.     UART1_SendString("What is read from a page of AT24C02 EEPROM:",\
  53.            sizeof("What is read from a page of AT24C02 EEPROM:"));
  54.     Delay(0xffff);
  55.     UART1_SendString(Rx1_Buffer,BufferSize1);
  56.     Delay(0xffff);
  57.    while (1)
  58.    {

  60.       UART1_SendString("What is read from a page of AT24C02 EEPROM:",\
  61.              sizeof("What is read from a page of AT24C02 EEPROM:"));
  62.       Delay(0xffff);
  63.       UART1_SendString(Rx1_Buffer,BufferSize1);
  64.       Delay(0xffff);

  66.    }
  67. }

  69. void Delay(u32 nCount)
  70. {
  71.   /* Decrement nCount value */
  72.   while (nCount != 0)
  73.   {
  74.     nCount--;
  75.   }
  76. }



  80. #ifdef USE_FULL_ASSERT

  82. /**
  83.   * @brief  Reports the name of the source file and the source line number
  84.   *   where the assert_param error has occurred.
  85.   * @param file: pointer to the source file name
  86.   * @param line: assert_param error line source number
  87.   * @retval : None
  88.   */
  89. void assert_failed(u8* file, u32 line)
  90. ……………………

  92. …………限于本文篇幅 余下代碼請從51黑下載附件…………
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所有資料51hei提供下載:
I2C總線+AT24C02.rar (256.13 KB, 下載次數: 81)








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