嵌入式物联网实战开发例程22-ESP32驱动4.3寸RGB液晶屏（MicroPythion版例程）.rar

""" ****************************************************************************** * @file main.py * @author * @version V1.0 * @date 2023-12-01 * @brief RGB屏实验 ****************************************************************************** * * 实验目的：如何驱动4.3寸RGB屏 * * 硬件资源及引脚分配： * 1, LED --> ESP32S3 IO * LED --> IO1 * 2, XL9555 --> ESP32S3 IO * SCL --> IO42 * SDA --> IO41 * INT --> IO0(跳线帽连接) * 3, RGBLCD --> ESP32S3 IO * LCD_BL --> XL9555_P13 * LCD_DE --> IO4 * LCD_VSYNC --> NC * LCD_HSYNC --> NC * LCD_PCLK --> IO5 * LCD_R3 --> IO45 * LCD_R4 --> IO48 * LCD_R5 --> IO47 * LCD_R6 --> IO21 * LCD_R7 --> IO14 * LCD_G2 --> IO10 * LCD_G3 --> IO9 * LCD_G4 --> IO46 * LCD_G5 --> IO3 * LCD_G6 --> IO8 * LCD_G7 --> IO18 * LCD_B3 --> IO17 * LCD_B4 --> IO16 * LCD_B5 --> IO15 * LCD_B6 --> IO7 * LCD_B7 --> IO6 * * 实验现象 * 1, 程序下载成功后，RGB显示实验信息，并刷新颜色。 * 2, LED闪烁，提示程序运行。 * * 注意事项 * 无 * * 定制开发，技术V:349014857 * 更多例程：https://iot666.blog.csdn.net/ * 开发咨询：http://doc.yotill.com """ from machine import Pin,I2C import atk_xl9555 as io_ex import atk_ltdc as ltdc import time """ * @brief 程序入口 * @param 无 * @retval 无 """ if __name__ == '__main__': x = 0 # 初始化LED并输出高电平 led = Pin(1,Pin.OUT,value = 1) # IIC初始化 i2c0 = I2C(0, scl = Pin(42), sda = Pin(41), freq = 400000) # XL9555初始化 xl9555 = io_ex.init(i2c0) # 初始化RGB display = ltdc.init(dir = 1) # 打开RGB屏背光 xl9555.write_bit(io_ex.LCD_BL,1) time.sleep_ms(100) while True: #创建字典 seasondict = { 0: ltdc.BLACK, 1: ltdc.BLUE, 2: ltdc.RED, 3: ltdc.GREEN, 4: ltdc.CYAN, 5: ltdc.MAGENTA, 6: ltdc.YELLOW} #刷新颜色 display.clear(seasondict[x]) #显示字体 display.string(0, 5, 240, 32, 32, "ESP32S3",ltdc.RED) display.string(0, 34, 240, 16, 16, "RGB Test",ltdc.RED) display.string(0, 50, 240, 16, 16, "ATOM@ALIENTEK",ltdc.RED) x += 1 if x == 7: x = 0 led_state = led.value() led.value(not led_state) time.sleep(1)