Diskussionsthread - CarPi/CarPC Image 2015 (Raspbian Wheezy, Kodi 14.1)

File

Line

Function

/inc/class_error.php

153

errorHandler->error

/global.php(961) : eval()'d code

errorHandler->error_callback

/global.php

961

eval

/printthread.php

require_once

File

Line

Function

/inc/class_error.php

153

errorHandler->error

/printthread.php(287) : eval()'d code

errorHandler->error_callback

/printthread.php

287

eval

/printthread.php

117

printthread_multipage

Code:

import RPi.GPIO as GPIO

import time



ENCODER_A = 24

ENCODER_B = 23

BUTTON = 25

RED = 22

BLUE = 17

GREEN = 27



encoderPos = 0

colorRed = 0

colorGreen = 0

colorBlue = 0

adjustMode = 0





def encoderPulse(pin):

    global encoderPos

    inc = 0

    other = 0



    if pin == ENCODER_A:

        other = GPIO.input(ENCODER_B)

        inc = GPIO.input(ENCODER_A)

    elif pin == ENCODER_B:

        other = GPIO.input(ENCODER_A)

        inc = -GPIO.input(ENCODER_B)



    if other > 0:

        encoderPos += inc

    if other > 0:

        encoderPos += inc

    else:

        encoderPos -= inc



    if encoderPos < 0:

        encoderPos = 0

    if encoderPos > 255:

        encoderPos = 255





def buttonPress(pin):

    global adjustMode, colorRed, colorGreen, colorBlue, encoderPos

    adjustMode += 1



    if adjustMode == 0:

        encoderPos = colorRed

    elif adjustMode == 1:

        encoderPos = colorGreen

    elif adjustMode == 2:

        encoderPos = colorBlue

    else:

        adjustMode = 0





def main():

    global adjustMode, colorRed, colorGreen, colorBlue, encoderPos

    pos = 0



    colorRed = 80

    colorGreen = 180

    colorBlue = 190

    adjustMode = 0



    pos = colorRed

    encoderPos = pos



    GPIO.setmode(GPIO.BCM)

    GPIO.setwarnings(False)



    GPIO.setup(ENCODER_A, GPIO.IN, pull_up_down=GPIO.PUD_UP)

    GPIO.setup(ENCODER_B, GPIO.IN, pull_up_down=GPIO.PUD_UP)

    GPIO.setup(BUTTON, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)



    GPIO.setup(RED, GPIO.OUT)

    GPIO.setup(BLUE, GPIO.OUT)

    GPIO.setup(GREEN, GPIO.OUT)



    GPIO.PWM(RED, 255 - colorRed)

    GPIO.PWM(BLUE, 255 - colorBlue)

    GPIO.PWM(GREEN, 255 - colorGreen)



    GPIO.add_event_detect(ENCODER_A, GPIO.BOTH, callback=encoderPulse)

    GPIO.add_event_detect(ENCODER_B, GPIO.BOTH, callback=encoderPulse)

    GPIO.add_event_detect(BUTTON, GPIO.BOTH, callback=buttonPress)



    while 1:

        if pos != encoderPos:

            pos = encoderPos

            if adjustMode == 0:

                colorRed = pos

            elif adjustMode == 1:

                colorGreen = pos

            elif adjustMode == 2:

                colorBlue = pos

            else:

                adjustMode = 0



            GPIO.PWM(RED, 255 - colorRed)

            GPIO.PWM(GREEN, 255 - colorGreen)

            GPIO.PWM(BLUE, 255 - colorBlue)



        time.sleep(0.02)



    GPIO.cleanup()





main()