from machine import Pin, I2C,PWM,UART
import ssd1306
from time import sleep_ms,sleep
'''

import serial
import time

# Configure the serial connection (adjust the port and baudrate as needed)
ser = serial.Serial('COM1', 9600, timeout=1)  # Replace 'COM3' with your port
ser2 = serial.Serial('COM2', 9600, timeout=1) 
def send_lin_frame(id, data):
    frame = bytearray([id]) + data  # Create the LIN frame
    ser.write(frame)  # Send the frame

def ser2_send_lin_frame(id, data):
    frame = bytearray([id]) + data  # Create the LIN frame
    ser2.write(frame)  # Send the frame

def ser2_receive_data():
    while True:
        if ser2.in_waiting > 0:
            response = ser2.read(8)  # Read the expected frame size
            print("Received:", response)
def receive_data():
    while True:
        if ser.in_waiting > 0:
            response = ser.read(8)  # Read the expected frame size
            print("Received:", response)
# try:
#     while True:
#         data = bytearray([0x01, 0x02, 0x03, 0x04, 0x05, 0x06])
#         send_lin_frame(0x01, data)  # Send LIN frame
#         print("Frame sent!")
#         time.sleep(1)  # Wait for a second
#         # receive_data()  # Check for incoming data

#         ser2_receive_data() 
# except KeyboardInterrupt:
#     ser.close() 
#     ser2.close() # Close the serial connection

# ESP32 Pin assignment 
# i2c = I2C(0, scl=Pin(22), sda=Pin(21))
# pwm = PWM(19,freq = 500)

# uart1 = UART(0, baudrate=9600, tx=41, rx=40)
# uart1.write('hello')  # write 5 bytes
# uart1.read(5) 

# Enable = Pin(13,Pin.OUT,Pin.PULL_DOWN) 
# Dir = Pin(12,Pin.OUT,value=0)
# Step = Pin(14,Pin.OUT)

# Ms1 = Pin(25,Pin.OUT,value = 1)
# Ms2 = Pin(26,Pin.OUT,value =0)
# Ms3 = Pin(27,Pin.OUT,value = 0)


# oled_width = 128
# oled_height = 64
# oled = ssd1306.SSD1306_I2C(oled_width, oled_height, i2c)

# oled.text('Stepper motor angle!', 0, 10)      
# oled.show()


# angle = 1
# for i in range(400):
#     Step.value(0)
#     sleep_ms(10)
#     Step.value(1)
#     angle = (i+1)*0.9
#     oled.text('Stepper motor angle!', 0, 10)      

#     oled.text( str(angle), 55, 40)      
#     oled.show()
#     oled.fill(0)

# complete_angle = angle
# sleep(10)
# Dir = Pin(12,Pin.OUT,value=1)
# for i in range(400+2):
    
#     Step.value(0)
#     sleep_ms(10)
#     Step.value(1)
#     oled.text('Stepper motor angle!', 0, 10)      

#     angle =complete_angle -(i-1)*0.9
#     oled.text( str(angle) , 55, 40)      
#     oled.show()
#     oled.fill(0)

# while 1:
#     for i in range(1023):
#         pwm.duty(i)
#         sleep_ms(100)
#     sleep_ms(100)
#     for i in range(1023,1):
#         pwm.duty(i)
#         sleep_ms(100)
# while 1:
#     for i in range(-45,45):
#         servo.angle(i)
#         sleep_ms(100)
#     sleep_ms(100)
#     for i in range(45,-45):
#         servo.angle(i)
#         sleep_ms(100)


# from machine import UART

# uart1 = UART(1, baudrate=9600, tx=17, rx=16)
# uart1.write('hello')  # write 5 bytes
# print(uart1.read(5) )  
'''
from machine import UART, Pin
import time

# Initialize UART1 with TX on pin 33 and RX on pin 32
uart1 = UART(1, baudrate=9600, tx=17, rx=18)
uart2 = UART(2, baudrate=9600, tx=5, rx=16)
# Function to send a message
def send_message(message):
    uart1.write(message)  # Send the message
    print("Sent to UART2:", message)

# Function to receive a message
def receive_message():
    if uart1.any():  # Check if there is any data available
        received = uart1.read()  # Read 5 bytes
        if received:
            print("Received to uart1:", received.decode('utf-8'))  # Decode bytes to string

def send_message2(message):
    uart2.write(message)  # Send the message
    print("Sent to uart1:", message)

# Function to receive a message
def receive_message2():
    if uart2.any():  # Check if there is any data available
        received = uart1.read()  # Read 5 bytes
        if received:
            print("Received to UART2:", received.decode('utf-8'))  # Decode bytes to string
# Main loop
while True:
    send_message('Are you there?')  # Send a message
    time.sleep(1)  # Wait for a second
    receive_message2()  # Check for incoming messages


    # using UART 2
    send_message2('I got it')  # Send a message
    time.sleep(1)  # Wait for a second
    receive_message()  # Check for incoming messages