[参考译文] TMS570LS3137：使用闪存 API 第二次写入 OTP 扇区失败。

#include <F021.h>

#define AJSM_KEY_LEN 16u    ///< The length of the AJSM key in bytes
#define AJSM_KEY_ADDRESS (0xF0000000u)

bool write_ajsm_key(const uint8_t ajsm_key[AJSM_KEY_LEN])
{
    const uint8_t unlockOtpBank0 = 1u;
    Fapi_StatusType fret = Fapi_enableBanksForOtpWrite(unlockOtpBank0);
    if ((fret != Fapi_Status_Success) || (FAPI_GET_FSM_STATUS != 0))
    {
        return false;
    }

    fret = Fapi_issueProgrammingCommand((uint32_t*)AJSM_KEY_ADDRESS, ajsm_key, AJSM_KEY_LEN, NULL, 0u, Fapi_AutoEccGeneration);
    while (FAPI_CHECK_FSM_READY_BUSY == Fapi_Status_FsmBusy)
    {
        ;
    }
    if ((fret != Fapi_Status_Success) || (FAPI_GET_FSM_STATUS != 0))
    {
        Fapi_disableBanksForOtpWrite();
        return false;
    }
    Fapi_disableBanksForOtpWrite();

    Fapi_FlashStatusWordType fsw;
    return Fapi_doVerifyByByte((uint8_t*)AJSM_KEY_ADDRESS, AJSM_KEY_LEN, ajsm_key, &fsw) == Fapi_Status_Success;
}