标题: STM8S的I2C读写AT24C02源程序,实际可用 [打印本页]

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作者: 精选生活    时间: 2018-1-4 22:34
标题: STM8S的I2C读写AT24C02源程序,实际可用
实际可用。


单片机源程序如下:

1. 
   
2. /******************** (C) COPYRIGHT  风驰电子嵌入式开发工作室 ********************
   
3. * 文件名  ：main.c
   
4. * 描述    ：I2C EPPROM 的读写     
   
5. * 实验平台：风驰电子STM8开发板
   
6. * 库版本  ：V2.0.0
   
7. * 作者    ：ling_guansheng   
   
8. **********************************************************************************/
   
9. 
   
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"
    
18. 
    
19. 
    
20. extern u8 RxBuffer[RxBufferSize];
    
21. extern u8 UART_RX_NUM;
    
22. u8 Tx1_Buffer[] = "Hi!STM8";
    
23. /* Private variables ---------------------------------------------------------*/
    
24. 
    
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];
    
29. 
    
30. /* Private function prototypes -----------------------------------------------*/
    
31. /* Private functions ---------------------------------------------------------*/
    
32. void Delay(u32 nCount);
    
33. 
    
34. int main(void)
    
35. {
    
36.     /* Infinite loop */
    
37.   /*设置内部时钟16M为主时钟*/
    
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.    {
    
59. 
    
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);
    
65. 
    
66.    }
    
67. }
    
68. 
    
69. void Delay(u32 nCount)
    
70. {
    
71.   /* Decrement nCount value */
    
72.   while (nCount != 0)
    
73.   {
    
74.     nCount--;
    
75.   }
    
76. }
    
77. 
    
78. 
    
79. 
    
80. #ifdef USE_FULL_ASSERT
    
81. 
    
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. ……………………
    
91. 
    
92. …………限于本文篇幅 余下代码请从51黑下载附件…………
    

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