Esempi in C++ (Cpp) per bootmgr_load_and_execute

Esempio n. 1

File: main.c Progetto: Ga-vin/micropython

//*****************************************************************************
//! Load the proper image based on the information from the boot info
//! and launch it.
//*****************************************************************************
static void bootmgr_image_loader(sBootInfo_t *psBootInfo) {
    _i32 fhandle;
    _u8 *image;

    // search for the active image
    switch (psBootInfo->ActiveImg) {
    case IMG_ACT_UPDATE1:
        image = (unsigned char *)IMG_UPDATE1;
        break;
    case IMG_ACT_UPDATE2:
        image = (unsigned char *)IMG_UPDATE2;
        break;
    default:
        image = (unsigned char *)IMG_FACTORY;
        break;
    }

    // do we have a new image that needs to be verified?
    if ((psBootInfo->ActiveImg != IMG_ACT_FACTORY) && (psBootInfo->Status == IMG_STATUS_CHECK)) {
        if (!bootmgr_verify(image)) {
            // verification failed, delete the broken file
            sl_FsDel(image, 0);
            // switch to the previous image
            psBootInfo->ActiveImg = psBootInfo->PrevImg;
            psBootInfo->PrevImg = IMG_ACT_FACTORY;
        }
        // in any case, change the status to "READY"
        psBootInfo->Status = IMG_STATUS_READY;
        // write the new boot info
        if (!sl_FsOpen((unsigned char *)IMG_BOOT_INFO, FS_MODE_OPEN_WRITE, NULL, &fhandle)) {
            sl_FsWrite(fhandle, 0, (unsigned char *)psBootInfo, sizeof(sBootInfo_t));
            // close the file
            sl_FsClose(fhandle, 0, 0, 0);
        }
    }

    // this one might modify the boot info hence it MUST be called after
    // bootmgr_verify! (so that the changes are not saved to flash)
    wait_for_safe_boot(psBootInfo);

    // select the active image again, since it might have changed
    switch (psBootInfo->ActiveImg) {
    case IMG_ACT_UPDATE1:
        image = (unsigned char *)IMG_UPDATE1;
        break;
    case IMG_ACT_UPDATE2:
        image = (unsigned char *)IMG_UPDATE2;
        break;
    default:
        image = (unsigned char *)IMG_FACTORY;
        break;
    }
    bootmgr_load_and_execute(image);
}

Esempio n. 2

File: main.c Progetto: Dreamapple/micropython

//*****************************************************************************
//! Load the proper image based on information from boot info and executes it.
//*****************************************************************************
static void bootmgr_image_loader(sBootInfo_t *psBootInfo) {
    _i32 fhandle;
    if (safe_mode_boot()) {
         _u32 count = 0;
         while ((BOOTMGR_SAFE_MODE_ENTER_TOOGLE_MS * count++) < BOOTMGR_SAFE_MODE_ENTER_MS) {
             // toogle the led
             MAP_GPIOPinWrite(MICROPY_SYS_LED_PORT, MICROPY_SYS_LED_PORT_PIN, ~MAP_GPIOPinRead(MICROPY_SYS_LED_PORT, MICROPY_SYS_LED_PORT_PIN));
             UtilsDelay(UTILS_DELAY_US_TO_COUNT(BOOTMGR_SAFE_MODE_ENTER_TOOGLE_MS * 1000));
         }
         psBootInfo->ActiveImg = IMG_ACT_FACTORY;
         // turn the led off
         MAP_GPIOPinWrite(MICROPY_SYS_LED_PORT, MICROPY_SYS_LED_PORT_PIN, 0);
         // request a safe boot to the application
         PRCMRequestSafeBoot();
    }
    // do we have a new update image that needs to be verified?
    else if ((psBootInfo->ActiveImg == IMG_ACT_UPDATE) && (psBootInfo->Status == IMG_STATUS_CHECK)) {
        if (!bootmgr_verify()) {
            // delete the corrupted file
            sl_FsDel((_u8 *)IMG_UPDATE, 0);
            // switch to the factory image
            psBootInfo->ActiveImg = IMG_ACT_FACTORY;
        }
        // in any case, set the status as "READY"
        psBootInfo->Status = IMG_STATUS_READY;
        // write the new boot info
        if (!sl_FsOpen((unsigned char *)IMG_BOOT_INFO, FS_MODE_OPEN_WRITE, NULL, &fhandle)) {
            sl_FsWrite(fhandle, 0, (unsigned char *)psBootInfo, sizeof(sBootInfo_t));
            // close the file
            sl_FsClose(fhandle, 0, 0, 0);
        }
    }

    // now boot the active image
    if (IMG_ACT_UPDATE == psBootInfo->ActiveImg) {
        bootmgr_load_and_execute((unsigned char *)IMG_UPDATE);
    }
    else {
        bootmgr_load_and_execute((unsigned char *)IMG_FACTORY);
    }
}