from machine import Pin, I2C, ADC
from ssd1306 import SSD1306_I2C
#from utime import sleep
import utime


#pin-definition oled-display
i2c=I2C(0,sda=Pin(0), scl=Pin(1), freq=400000)
oled = SSD1306_I2C(128, 64, i2c)

#pin-definition steuerung multiplexer

s0 = Pin(2, Pin.OUT)
s1 = Pin(3, Pin.OUT)
s2 = Pin(4, Pin.OUT)
s3 = Pin(5, Pin.OUT)

adc = ADC(26) #definiton wo ausgang sig_mux eingeht

#definition multiplexer kanal steuerung #channel no.
def rp_c0(): #read/ print c0
    s0.value(0)
    s1.value(0)
    s2.value(0)
    s3.value(0)

    c0 = adc.read_u16()
    print("Wert C0 = ", c0)

def rp_c1(): 
    s0.value(1)
    s1.value(0)
    s2.value(0)
    s3.value(0)

    c1 = adc.read_u16()
    print("Wert C1 = ", c1)

def rp_c2(): 
    s0.value(0)
    s1.value(1)
    s2.value(0)
    s3.value(0)

    c2 = adc.read_u16()
    print("Wert C2 = ", c2)

def rp_c3(): 
    s0.value(1)
    s1.value(1)
    s2.value(0)
    s3.value(0)

    c3 = adc.read_u16()
    print("Wert C3 = ", c3)    
#mux = [   
   # [0,0,0,0], #0
   # [1,0,0,0], #1
   # [0,1,0,0], #2
   # [1,1,0,0], #3
   # [0,0,1,0], #4
   # [1,0,1,0], #5
   # [0,1,1,0], #6
   # [1,1,1,0], #7
   # [0,0,0,1], #8
   # [1,0,0,1], #9
   # [0,1,0,1], #10
   # [1,1,0,1], #11
   # [0,0,1,1], #12
   # [1,0,1,1], #13
   # [0,1,1,1], #14
#    [1,1,1,1], #15
#

#pinCx = list(range(0,15))

#def var_analog(cx):
    #s0.value(mux[cx][0])
    #s1.value(mux[cx][1])
    #s2.value(mux[cx][2])
    #s3.value(mux[cx][3])
    

    #reading = adc.read_u16()

    #return reading

while True:

    rp_c0()
    utime.sleep_ms(400)
    rp_c1()
    utime.sleep_ms(400)
    rp_c2()
    utime.sleep_ms(400)
    rp_c3()
    utime.sleep_ms(400)
    #c0 = var_analog(0)
    #c1 = var_analog(1)
    #c2 = var_analog(2)
    #c3 = var_analog(3)
    #c4 = var_analog(4)
    #c5 = var_analog(5)
    #c6 = var_analog(6)
    #c7 = var_analog(7)
    #c8 = var_analog(8)


    #print("Wert C0 = ", c0)
    #,c1,c2,c3,c4,c5,c6,c7,c8)

    #utime.sleep_ms(200)