sx1509mpy_voorbeeld.py

#voorbeeld
import machine
import utime
import ustruct
import sx1509

def main():
    global i2cAddr
    global index1
    i2cAddr = 0x3e
    pcfAddr = 0x23
    index1 = 1
    i2c1 = None
    
    wemosPinsDict8266 = {"TX":1, "RX":3,"D4":2, "D3":0, "D2":4, "D1":5, "RX":3, "TX":1, "D8":15, "D7":13, "D6":12, "D5":14, "D0":16, "SCL":5, "SDA":4}
    wemosSPI8266 = {"MISO":wemosPinsDict8266["D6"], "MOSI":wemosPinsDict8266["D7"], "SCK":wemosPinsDict8266["D5"], "CSN":wemosPinsDict8266["D4"], "CE":wemosPinsDict8266["D3"]}
    
    wemosPinsESP32 = {"TX":1, "RX":3,"D4":2, "D3":0, "D2":4, "D1":5, "RX":3, "TX":1, "D8":15, "D7":13, "D6":12, "D5":14, "D0":16, "SCL0":21, "SDA0":22}


    if(sys.platform == 'esp8266'):
        i2c1 = machine.I2C(scl=machine.Pin(wemosPinsDict8266["SCL"]),sda=machine.Pin(wemosPinsDict8266["SDA"]),freq=100000)
    else:
        i2c1 = machine.SoftI2C(scl=machine.Pin(wemosPinsESP32["SCL0"]),sda=machine.Pin(wemosPinsESP32["SDA0"]),freq=100000)


    if(i2c1.scan().count(i2cAddr) == 0):
        print("I2C bord NIET gevonden op", i2cAddr)
    else:
        print("SX1509 gevonden op", i2cAddr)

    io = SX1509(i2c=i2c1, addr=i2cAddr)
    
    print("Setting pins to OUTPUT")
    for pinNr in range(1,16):
        io.pinMode(pinNr, inOut=io.defs.OUTPUT)

    print("Pins aan/uit")
    for ledPin in range(1,16):
        io.digitalWrite(ledPin, io.defs.HIGH)
        utime.sleep_ms(50)
        io.digitalWrite(ledPin, io.defs.LOW)
        utime.sleep_ms(10)
    
    print("Eind sx1509")
    
    #Hallo123naarI2C(i2c1=i2c1)

print("APP start")
main()
print("APP eind")