有关STM32F0的标准库函数 uint32_t sEE_WritePage+sEE_ReadBuffer

[复制链接]

975|0

手机看帖

扫描二维码
随时随地手机跟帖

电梯直达

楼主

Thorald|

楼主 | 2017-8-31 17:39 | 只看该作者回帖奖励

|倒序浏览 |阅读模式

STM32F0, buffer, AD, ui, se

STM32F0的标准库的 uint32_t sEE_WritePage(uint8_t* pBuffer, uint16_t WriteAddr, uint8_t* NumByteToWrite)                         uint32_t sEE_ReadBuffer(uint8_t* pBuffer, uint16_t ReadAddr, uint16_t* NumByteToRead)

碰到这个问题：写24LC16时地址0X100以前的数据可以读写
0X100地址以上的数据又把0X100以内的地址空间覆盖了
后来分析发现每次扇区切换后调用函数必须修改sEEAddress为以下之一，很不方便，还迷惑人：
//#define sEE_HW_ADDRESS    0xA0 /* E2 = 0 */
// /*#define sEE_HW_ADDRESS    0xA2*/ /* E2 = 0 */
// /*#define sEE_HW_ADDRESS    0xA4*/ /* E2 = 0 */
// /*#define sEE_HW_ADDRESS    0xA6*/ /* E2 = 0 */
// /*#define sEE_HW_ADDRESS    0xA8*/ /* E2 = 0 *//
// /*#define sEE_HW_ADDRESS    0xAA*/ /* E2 = 0 *//
// /*#define sEE_HW_ADDRESS    0xAC*/ /* E2 = 0 *//
/ /*#define sEE_HW_ADDRESS    0xAE*/ /* E2 = 0 */

现在改进内部函数如下，方便和我一样迷惑的菜鸟
uint32_t sEE_ReadBuffer(uint8_t* pBuffer, uint16_t ReadAddr, uint16_t* NumByteToRead)
{
  uint32_t NumbOfSingle = 0, Count = 0, DataNum = 0, StartCom = 0;
      //这里加：
      sEEAddress =0x00a0;
      sEEAddress +=(ReadAddr>>7)&0x000e;
      。。。
      。。。
}

uint32_t sEE_WritePage(uint8_t* pBuffer, uint16_t WriteAddr, uint8_t* NumByteToWrite)
{
  uint32_t DataNum = 0;
  sEE_WRITEALLOW();
   //这里加
   sEEAddress =0x00a0;
   sEEAddress +=(WriteAddr>>7)&0x000e;///////////////////20160811
   。。。
   。。。
}
//后面可以在主程序中测试测试，如下
//       num=4;
//       test2[0] =0x10;
//       test2[1] =0x20;
//       test2[2] =0x30;
//       test2[3] =0x40;
//       test2[4] =0x50;
//       test2[5] =0x60;
//       sEE_WriteBuffer(test2, 0x0, 4);
//       test2[0] =0x11;
//       test2[1] =0x22;
//       test2[2] =0x33;
//       test2[3] =0x44;
//       test2[4] =0x55;
//       test2[5] =0x66;
//       sEE_WriteBuffer(test2, 0x100, 4);
////       sEE_ReadBuffer(&test[0], 0x100,&num);
////
////       sEE_ReadBuffer(&test[0], 0x0,&num);
这次还有个新发现，标准库1.0和1.5好像蛮接近，老程序放到新库里编译可以通过。

使用特权