3. flash_protect_enable问题

flash_protect_enable问题

  • U
     

    /*********************************************************************
 * @fn      flash_protect_enable
 *
 * @brief   protect flash chip from erase and write.
 *
 * @param   wr_mode     - 0: write.enable with command 0x50
 *                        1: write enable with command 0x06
 *
 * @return  None.
 */
__attribute__((section("ram_code"))) void flash_protect_enable(uint8_t wr_mode);

/*********************************************************************
 * @fn      flash_protect_enable1
 *
 * @brief   protect flash chip from erase and write.
 *
 * @param   wr_mode     - 0: write.enable with command 0x50
 *                        1: write enable with command 0x06
 *          mask        protect bits mask， refer to flash spec
 *
 * @return  None.
 */
__attribute__((section("ram_code"))) void flash_protect_enable1(uint8_t wr_mode,uint8_t mask);

/*********************************************************************
 * @fn      flash_protect_disable
 *
 * @brief   remove protection flash chip from erase and write.
 *
 * @param   wr_mode     - 0: write.enable with command 0x50
 *                        1: write enable with command 0x06
 *
 * @return  None.
 */
__attribute__((section("ram_code"))) void flash_protect_disable(uint8_t wr_mode);

    flash_protect_enable和flash_protect_enable1有什么区别吗？

    0
    F
     1 条回复
  • F

    @uplooking 不建议用flash_protect_enable1，正常就用flash_protect_enable就好，wr_mode 0代表易失，1代表非易失，一般上电先flash_protect_enable(1)进行flash保护，中间需要擦写flash时就flash_protect_disable(0),操作完成就flash_protect_enable(0)恢复保护

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