def Example2():
ser = serial.Serial('/dev/ttyS1', 9600, timeout=1)
x = ser.read() # read one byte
print( "read one byte = ", x )
s = ser.read(10) # read up to ten bytes (timeout)
print( "read multiple bytes = ", s )
line = ser.readline() # read a '\n' terminated line
ser.close()
print( "read a line = ", line )
def Example3():
ser = serial.Serial()
ser.baudrate = 9600
ser.port = 0
print( f"Serial port information...\n {ser}" )
ser.open()
print( f"Serial port open = {str( ser.isOpen() )}" )
ser.close()
print( f"Serial port open = {str( ser.isOpen() )}" )
def Example3():
ser = serial.Serial()
ser.baudrate = 19200
ser.port = 0
print(ser)
ser.open()
print(str(ser.isOpen()))
ser.close()
print(ser.isOpen())
def serial_connect(self):
"""
This method establishes the serial connection with the microcontroller.
Once the comport of the pump is known we open a serial connection to it using pySerial.
"""
if self.port == None:
self.connected = False
else:
self.ser = serial.Serial(self.port, self.baud, timeout=3)
if self.ser.isOpen():
self.connected = True
else:
self.connected = False
from button import Button
from tkinter import Tk, Canvas, CENTER, RIGHT, LEFT, N, PhotoImage
import math
import os
dirname = os.path.dirname(__file__)
test = True
if test:
import fakeSerial as serial
else:
import serial
ser = serial.Serial("/dev/ttyAMA0", 9600) # /dev/ttyAMA0 on the pi
root = Tk()
# Full screen
if not test:
root.overrideredirect(True)
root.geometry("{0}x{1}+0+0".format(root.winfo_screenwidth(),
root.winfo_screenheight()))
root.focus_set() #Move focus to this widget
root.bind("<Escape>", lambda e: root.quit())
root.config(cursor="none")
# Variables
height = 480
width = 800
color_inactive = "white"
color_active = "#32CD32" # lime green
def Example1():
ser = serial.Serial(0) # open first serial port
print( ser.name ) # check which port was really used
ser.write("My car drives itself") # write a string
ser.close() # close port