C++ (Cpp) usb_mode Examples

Example #1

File: ondavx747.c Project: Cortexelus/rockbox

static int boot_menu(void)
{
    const char* strings[] = {"Boot Rockbox", "Boot OF", "USB mode", "Reset Rockbox configuration"};
    int button, touch, poweroff_repeat = 0;
    unsigned int i;

    verbose = true;
    adc_init();

redraw:
    lcd_clear_display();
    for(i=0; i<ARRAYLEN(strings); i++)
    {
        lcd_drawrect(RECT_X, RECT_Y(i), RECT_WIDTH, RECT_HEIGHT);
        lcd_putsxy(TEXT_X(i), TEXT_Y(i), strings[i]);
    }
    lcd_update();

    while(1)
    {
        button = button_get_w_tmo(HZ/4);
        if(button & BUTTON_TOUCHSCREEN)
        {
            touch = button_get_data();
            unsigned int x = touch & 0xFFFF, y = touch >> 16;
            int found = -1;
            for(i=0; i<ARRAYLEN(strings); i++)
            {
                if(x > RECT_X && x < RECT_X+RECT_WIDTH &&
                   y > RECT_Y(i) && y < RECT_Y(i)+RECT_HEIGHT)
                {
                    found = i;
                    break;
                }
            }

            switch(found)
            {
                case 0:
                    reset_screen();
                    boot_rockbox();
                    break;
                case 1:
                    reset_screen();
                    boot_of();
                    break;
                case 2:
                    usb_mode();
                    break;
                case 3:
                    reset_configuration();
                    break;
            }

            if(found != -1)
                goto redraw;
        }
        else if(button & BUTTON_POWER)

Example #2

File: imx233.c Project: victor2002/rockbox_victor_clipplus

void main(uint32_t arg, uint32_t addr)
{
    unsigned char* loadbuffer;
    int buffer_size;
    void(*kernel_entry)(void);
    int ret;

    system_init();
    kernel_init();

    power_init();
    enable_irq();

    lcd_init();
    lcd_clear_display();
    lcd_update();

    backlight_init();

    button_init();

    //button_debug_screen();
    printf("Boot version: %s", RBVERSION);
    printf("arg=%x addr=%x", arg, addr);

#ifdef SANSA_FUZEPLUS
    extern void imx233_mmc_disable_window(void);
    if(arg == 0xfee1dead)
    {
        printf("Disable MMC window.");
        imx233_mmc_disable_window();
    }
#endif

    ret = storage_init();
    if(ret < 0)
        error(EATA, ret, true);

    /* NOTE: allow disk_init and disk_mount_all to fail since we can do USB after.
     * We need this order to determine the correct logical sector size */
    while(!disk_init(IF_MV(0)))
        printf("disk_init failed!");

    if((ret = disk_mount_all()) <= 0)
        error(EDISK, ret, false);

    if(usb_detect() == USB_INSERTED)
        usb_mode(HZ);

    printf("Loading firmware");

    loadbuffer = (unsigned char*)loadaddress;
    buffer_size = (int)(loadaddressend - loadaddress);

    while((ret = load_firmware(loadbuffer, BOOTFILE, buffer_size)) < 0)
    {
        error(EBOOTFILE, ret, true);
    }

    kernel_entry = (void*) loadbuffer;
    printf("Executing");
    disable_interrupt(IRQ_FIQ_STATUS);
    commit_discard_idcache();
    kernel_entry();
    printf("ERR: Failed to boot");

    /* never returns */
    while(1) ;
}