dualboot.c

#if defined(SANSA_FUZEPLUS)
static enum boot_t boot_decision(enum context_t context)
{
    return BOOT_ROCK;
    /* if volume down is hold, boot to OF */
    if(!read_gpio(1, 30))
        return BOOT_OF;
    /* on normal boot, make sure power button is hold long enough */
    if(context == CONTEXT_NORMAL)
    {
        // monitor PSWITCH
        int count = 0;
        for(int i = 0; i < 550000; i++)
            if(read_pswitch() == 1)
                count++;
        if(count < 400000)
            return BOOT_STOP;
    }
    return BOOT_ROCK;
}