详解TI--M4内部EEPROM

sick

M4里面的EEPROM并不是编址在内存空间中的，而是直接通过操作寄存器(Register)进行读写的。所以EEPROM中间的某个地址就是只属于EEPROM的地址，并不和内存地址有冲突。


要想方便的使用EEPROM，最好的办法就是使用TI的StellarisWare驱动库程序：

1. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">#include "inc/hw_memmap.h"</font>
   
2. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">#include "inc/hw_types.h"</font>
   
3. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">#include "inc/hw_timer.h"</font>
   
4. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">#include "inc/hw_ints.h"</font>
   
5. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">#include "inc/hw_gpio.h"</font>
   
6. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">#include "driverlib/sysctl.h"</font>
   
7. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">#include "driverlib/eeprom.h"</font>
   
8. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">
   
9. </font>
   
10. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">unsigned long pulRead[2];</font>
    
11. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">
    
12. </font>
    
13. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">void main()</font>
    
14. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">{</font>
    
15. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">    unsigned long pulData[2];</font>
    
16. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">
    
17. </font>
    
18. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">    // 系统工作在50MHZ</font>
    
19. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">    SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN |SYSCTL_XTAL_16MHZ);</font>
    
20. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">
    
21. </font>
    
22. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">    // 使能EEPROM</font>
    
23. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">    SysCtlPeripheralEnable(SYSCTL_PERIPH_EEPROM0); </font>
    
24. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">  </font>
    
25. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">    // 初始化EEPROM</font>
    
26. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">    EEPROMInit(); </font>
    
27. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">
    
28. </font>
    
29. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">    pulData[0] = 0x12345678;</font>
    
30. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">    pulData[1] = 0x56789abc; </font>
    
31. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">
    
32. </font>
    
33. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">    // 向EEPROM里面0x400地址写入数据</font>
    
34. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">    EEPROMProgram(pulData, 0x400, sizeof(pulData)); </font>
    
35. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">
    
36. </font>
    
37. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">    // 读回来</font>
    
38. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">    EEPROMRead(pulRead, 0x400, sizeof(pulRead));    </font>
    
39. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">    while(1)</font>
    
40. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">    {</font>
    
41. <font size="4" style="color: rgb(51, 51, 51); font-family: " microsoft="" yahei";"="">    }</font>

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