from machine import Pin, I2C
import time
from lcd_api import LcdApi
from i2c_lcd import I2cLcd
import oled



address = []
last_freq = 0

def config_LCD_I2C(freq,SCL,SDA):
    global address,last_freq,lcd,oled1
    if freq != last_freq:

    # I2C Pin setup for ESP32
        i2c = I2C(scl=SCL, sda=SDA, freq=freq)
        print("freq for LCD is now", freq)
        last_freq = freq
    # scan for connected devices on the I2C
        address = i2c.scan()
    # create the LCD object based on the address
        lcd = I2cLcd(i2c, address[0], 2, 16) 
        
    # Oled setup with I2C for ESP32
        oled1 = oled.I2C(128, 64, i2c)


def main():
    
  
    config_LCD_I2C(400000,Pin(13),Pin(16))

    while True:
        lcd.clear()
        lcd.putstr("DECI students")
        time.sleep(1)
        lcd.clear()
        lcd.putstr("Embedded systems") 
        time.sleep(1)   

        oled1.clear()
        oled1.text('I2C ok', 10, 3)
        oled1.show()  


if __name__ == "__main__":
    main()