TI中文支持网Part Number:TMS320F2800137
void App_FlashUpdate(void)
{Fapi_StatusType oReturnCheck;Fapi_FlashStatusType oFlashStatus;Uint16 u16Temp[8] = {0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000};DINT;EALLOW;oReturnCheck = Fapi_initializeAPI(FlashTech_CPU0_BASE_ADDRESS,120);if(oReturnCheck != Fapi_Status_Success){App_WaitRestart();}oReturnCheck = Fapi_setActiveFlashBank(Fapi_FlashBank0);if(oReturnCheck != Fapi_Status_Success){App_WaitRestart();}ClearFSMStatus();Fapi_setupBankSectorEnable(FLASH_WRAPPER_PROGRAM_BASE+FLASH_O_CMDWEPROTA, 0xFFFFFFFF);Fapi_setupBankSectorEnable(FLASH_WRAPPER_PROGRAM_BASE+FLASH_O_CMDWEPROTB, 0x00000000);oReturnCheck = Fapi_issueProgrammingCommand((uint32 *)0x08EFF8,u16Temp,8,0,0,Fapi_AutoEccGeneration);while(Fapi_checkFsmForReady() == Fapi_Status_FsmBusy);if(oReturnCheck != Fapi_Status_Success){App_WaitRestart();// Check Flash API documentation for possible errors}DEVICE_DELAY_US(100);oFlashStatus = Fapi_getFsmStatus();if (oFlashStatus != 3){App_WaitRestart();}EDIS;App_WaitRestart();
}
目的是将0x8EFF8的值0xbbbb写为0x0000
xiang li：
使用的flash API库
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xiang li：
出现的问题是，经常写入失败，偶尔能够写入成功
写入失败的时候：oFlashStatus = Fapi_getFsmStatus();返回257
写入成功的时候：oFlashStatus = Fapi_getFsmStatus();返回0
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xiang li：
我把0xbbbb写为0x0000，并没有将存储的0值程序化为1，为啥会报这个错误
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xiang li：
找到问题了，u16Temp首地址为奇数，改为偶数就可以了，为啥必须是偶数，哪个文档有介绍吗
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Ben Qin：
可以参考下下面这个链接的第10条回答：
(+) [FAQ] FAQ on Flash API usage for C2000 devices – C2000 microcontrollers forum – C2000
︎ microcontrollers – TI E2E support forums
