I2C-Analog-Output-Modul mit Python und TkInter

Analogwerte zum I2HAA-Modul übertragen

Das Programmbeispiel schreibt auf Tastendruck Analogwerte zur Analog-Ausgabekarte

I2C-Analog-Output Modul ansteuern

Programmcode

import tkinter as tk
import smbus

bus = smbus.SMBus(1)
mainWin = tk.Tk()
mainWin.title("Analoge Ausgabekarte")

def uebertragen1():
    val=e1.get()
    a=int(val)
    HBy = int(a/256)
    LBy = int(a-HBy*256)
    field=[LBy,HBy]
    print(field)
    bus.write_i2c_block_data(0x58,0x00,field)

def uebertragen2():
    val=e2.get()
    a=int(val)
    HBy = int(a/256)
    LBy = int(a-HBy*256)
    field=[LBy,HBy]
    print(field)
    bus.write_i2c_block_data(0x58,0x01,field)
    

def uebertragen3():
    val=e3.get()
    a=int(val)
    HBy = int(a/256)
    LBy = int(a-HBy*256)
    field=[LBy,HBy]
    print(field)
    bus.write_i2c_block_data(0x58,0x02,field)
    
def uebertragen4():
    val=e4.get()
    a=int(val)
    HBy = int(a/256)
    LBy = int(a-HBy*256)
    field=[LBy,HBy]
    print(field)
    bus.write_i2c_block_data(0x58,0x03,field)
    
#label0 = tk.Label(mainWin, text='Werte 0-1023 = 0-10,23V')

e1 = tk.Entry(mainWin,width=7)
e1.grid(row=2,column=1)
e2 = tk.Entry(mainWin,width=7)
e2.grid(row=3,column=1)
e3 = tk.Entry(mainWin,width=7)
e3.grid(row=4,column=1)
e4 = tk.Entry(mainWin,width=7)
e4.grid(row=5,column=1)

button1t = tk.Button(mainWin,width=7,text='Kanal 1',command=uebertragen1)
button1t.grid(row=2,column=2)
button2t = tk.Button(mainWin,width=7,text='Kanal 2',command=uebertragen2)
button2t.grid(row=3,column=2)
button3t = tk.Button(mainWin,width=7,text='Kanal 3',command=uebertragen3)
button3t.grid(row=4,column=2)
button4t = tk.Button(mainWin,width=7,text='Kanal 4',command=uebertragen4)
button4t.grid(row=5,column=2)

mainWin.mainloop()