嵌入式物联网实战开发例程11-ESP32读取芯片内部的RTC实时时钟（MicroPythion版例程）.rar

""" ****************************************************************************** * @file main.py * @author * @version V1.0 * @date 2023-12-01 * @brief RTC实验 ****************************************************************************** * * 实验目的：学习ESP32-S3片内RTC的使用 * * 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, SPI_LCD --> ESP32S3 IO / XL9555 * CS --> IO21 * SCK --> IO12 * SDA --> IO11 * DC --> IO40(跳线帽连接) * PWR --> XL9555_P13 * RST --> XL9555_P12 * * 实验现象 * 1, 通过LCD实时显示RTC时间。 * * 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,RTC,SPI,I2C import atk_xl9555 as io_ex import atk_lcd as lcd import time """ * @brief 程序入口 * @param 无 * @retval 无 """ if __name__ == '__main__': # 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) # 复位LCD xl9555.write_bit(io_ex.SLCD_RST,0) time.sleep_ms(100) xl9555.write_bit(io_ex.SLCD_RST,1) time.sleep_ms(100) # 初始化SPI spi = SPI(2,baudrate = 80000000, sck = Pin(12), mosi = Pin(11), miso = Pin(13)) # 初始化LCD,lcd = 0为####2.4寸屏幕;lcd = 1为####1.3寸SPILCD屏幕; display = lcd.init(spi,dc = Pin(40,Pin.OUT,Pin.PULL_UP,value = 1),cs = Pin(21,Pin.OUT,Pin.PULL_UP,value = 1),dir = 1,lcd = 0) # 开启背光 xl9555.write_bit(io_ex.SLCD_PWR,1) time.sleep_ms(100) # 显示实验信息 display.string(30, 550, 240, 16, 16, "ESP32-S3",lcd.RED) display.string(30, 70, 200, 16, 16, "RTC TEST", lcd.RED) display.string(30, 90, 200, 16, 16, "ATOM@ALIENTEK", lcd.RED) display.string(30, 110, 200, 16, 16, "Specific:", lcd.RED) display.string(30, 130, 200, 16, 16, "Time:", lcd.RED) display.string(30, 150, 200, 16, 16, "Date:", lcd.RED) # 初始化RTC rtc = RTC() if rtc.datetime()[0] != 2023: rtc.datetime((2023, 8, 15, 2, 0, 0, 0, 0)) while True: data_time = rtc.datetime() display.string(110, 110, 200, 16, 16, str(data_time[0:3]), lcd.RED) display.string(110, 130, 200, 16, 16, str(data_time[4:7]), lcd.RED) display.string(110, 150, 200, 16, 16, str(int(data_time[3]) + 1), lcd.RED)