Function drv_lcd_init

bsp/k210/drivers/drv_lcd.c:386–429

}

static rt_err_t drv_lcd_init(rt_device_t dev)
{
    rt_err_t ret = RT_EOK;
    lcd_8080_device_t lcd = (lcd_8080_device_t)dev;
    rt_uint8_t data = 0;

    if(!lcd)
    {
        return -RT_ERROR;
    }
    drv_lcd_hw_init(lcd);
    /* reset LCD */
    drv_lcd_cmd(lcd, SOFTWARE_RESET);
    rt_thread_mdelay(100);

    /* Enter normal status */
    drv_lcd_cmd(lcd, SLEEP_OFF);
    rt_thread_mdelay(100);

    /* pixel format rgb565 */
    drv_lcd_cmd(lcd, PIXEL_FORMAT_SET);
    data = 0x55;
    drv_lcd_data_byte(lcd, &data, 1);

    /* set direction */
    drv_lcd_set_direction(lcd, LCD_SCAN_DIR);

    lcd->lcd_info.framebuffer = rt_malloc_align(lcd->lcd_info.height * lcd->lcd_info.width * (lcd->lcd_info.bits_per_pixel / 8), 64);
    RT_ASSERT(lcd->lcd_info.framebuffer);

    uint16_t *framebuffer = (uint16_t *)(lcd->lcd_info.framebuffer);
    for(uint32_t i=0; i<(lcd->lcd_info.height * lcd->lcd_info.width * (lcd->lcd_info.bits_per_pixel / 8))/2; i++) {
        framebuffer[i] = BLACK;
    }
    /*display on*/
    #ifdef BSP_BOARD_K210_DRACO
    drv_lcd_cmd(lcd, INVERSION_DISPALY_ON);
    #endif
    drv_lcd_cmd(lcd, DISPALY_ON);

    /* set to black */
    drv_lcd_clear(lcd, BLACK);
    return ret;
}

static rt_err_t drv_lcd_open(rt_device_t dev, rt_uint16_t oflag)
{