initial commit
This commit is contained in:
CarstenArend
388
zeroPLCgui/gui.py
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388
zeroPLCgui/gui.py
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#!/usr/bin/env bash
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'''exec' "$HOME/zeroPLCgui/.venv/bin/python3" "$0" "$@"
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' '''
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from nicegui import ui,app
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import os,sys
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import gpiod
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import atexit
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import board
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import adafruit_tmp117
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import adafruit_sht4x
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from adafruit_extended_bus import ExtendedI2C as I2C
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from picamera2 import Picamera2
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from fastapi.responses import StreamingResponse
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import io
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from PIL import Image
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import time
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picam2 = None
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camera_connected = 0
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def init_camera():
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global picam2
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picam2 = Picamera2()
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picam2.configure(picam2.create_preview_configuration(main={"format": 'XRGB8888', "size": (640, 480)}))
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picam2.start()
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def generate_mjpeg():
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while True:
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img = picam2.capture_array()
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pil_img = Image.fromarray(img)
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if pil_img.mode == 'RGBA':
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pil_img = pil_img.convert('RGB')
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buf = io.BytesIO()
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pil_img.save(buf, format='JPEG')
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frame = buf.getvalue()
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yield (
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b'--frame\r\n'
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b'Content-Type: image/jpeg\r\n\r\n' + frame + b'\r\n'
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)
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time.sleep(0.1)
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@app.get('/video_feed')
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def video_feed():
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return StreamingResponse(generate_mjpeg(), media_type='multipart/x-mixed-replace; boundary=frame')
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i2c = board.I2C() # uses board.SCL and board.SDA
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tmp117 = adafruit_tmp117.TMP117(i2c)
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i2c3=I2C(3)
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try:
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sht = adafruit_sht4x.SHT4x(i2c3,0x46)
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except:
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sht = 0
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# Do not request the line upfront; request and release on demand
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chip = gpiod.Chip('gpiochip0')
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chip2 = gpiod.Chip('gpiochip2')
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output1 = chip.get_line(12)
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output2 = chip.get_line(13)
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output3 = chip.get_line(18)
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output4 = chip.get_line(19)
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output5 = chip.get_line(20)
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output6 = chip.get_line(21)
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output7 = chip.get_line(22)
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output8 = chip.get_line(26)
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input1 = chip.get_line(5)
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input2 = chip.get_line(6)
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input3 = chip.get_line(7)
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input4 = chip.get_line(8)
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input5 = chip.get_line(27)
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input6 = chip.get_line(25)
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input7 = chip2.get_line(9)
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input8 = chip2.get_line(10)
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def set_output1():
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try:
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output1.request(consumer='nicegui', type=gpiod.LINE_REQ_DIR_OUT)
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output1.set_value(switch_1.value)
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output1.release()
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except OSError as e:
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print(f"Output1 error: {e}")
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def set_output2():
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try:
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output2.request(consumer='nicegui', type=gpiod.LINE_REQ_DIR_OUT)
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output2.set_value(switch_2.value)
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output2.release()
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except OSError as e:
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print(f"Output2 error: {e}")
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def set_output3():
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try:
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output3.request(consumer='nicegui', type=gpiod.LINE_REQ_DIR_OUT)
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output3.set_value(switch_3.value)
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output3.release()
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except OSError as e:
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print(f"Output3 error: {e}")
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def set_output4():
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try:
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output4.request(consumer='nicegui', type=gpiod.LINE_REQ_DIR_OUT)
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output4.set_value(switch_4.value)
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output4.release()
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except OSError as e:
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print(f"Output4 error: {e}")
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def set_output5():
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try:
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output5.request(consumer='nicegui', type=gpiod.LINE_REQ_DIR_OUT)
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output5.set_value(switch_5.value)
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output5.release()
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except OSError as e:
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print(f"Output5 error: {e}")
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def set_output6():
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try:
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output6.request(consumer='nicegui', type=gpiod.LINE_REQ_DIR_OUT)
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output6.set_value(switch_6.value)
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output6.release()
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except OSError as e:
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print(f"Output6 error: {e}")
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def set_output7():
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try:
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output7.request(consumer='nicegui', type=gpiod.LINE_REQ_DIR_OUT)
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output7.set_value(switch_7.value)
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output7.release()
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except OSError as e:
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print(f"Output7 error: {e}")
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def set_output8():
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try:
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output8.request(consumer='nicegui', type=gpiod.LINE_REQ_DIR_OUT)
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output8.set_value(switch_8.value)
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output8.release()
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except OSError as e:
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print(f"Output8 error: {e}")
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def get_input1():
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try:
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input1.request(consumer='nicegui', type=gpiod.LINE_REQ_DIR_IN)
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if input1.get_value():
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input1_indicator.classes('text-green', remove='text-red')
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else:
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input1_indicator.classes('text-red', remove='text-green')
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input1.release()
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except OSError as e:
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print(f"Input1 error: {e}")
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def get_input2():
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try:
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input2.request(consumer='nicegui', type=gpiod.LINE_REQ_DIR_IN)
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if input2.get_value():
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input2_indicator.classes('text-green', remove='text-red')
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else:
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input2_indicator.classes('text-red', remove='text-green')
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input2.release()
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except OSError as e:
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print(f"Input2 error: {e}")
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def get_input3():
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try:
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input3.request(consumer='nicegui', type=gpiod.LINE_REQ_DIR_IN)
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if input3.get_value():
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input3_indicator.classes('text-green', remove='text-red')
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else:
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input3_indicator.classes('text-red', remove='text-green')
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input3.release()
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except OSError as e:
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print(f"Input3 error: {e}")
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def get_input4():
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try:
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input4.request(consumer='nicegui', type=gpiod.LINE_REQ_DIR_IN)
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if input4.get_value():
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input4_indicator.classes('text-green', remove='text-red')
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else:
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input4_indicator.classes('text-red', remove='text-green')
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input4.release()
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except OSError as e:
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print(f"Input4 error: {e}")
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def get_input5():
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try:
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input5.request(consumer='nicegui', type=gpiod.LINE_REQ_DIR_IN)
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if input5.get_value():
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input5_indicator.classes('text-green', remove='text-red')
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else:
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input5_indicator.classes('text-red', remove='text-green')
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input5.release()
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except OSError as e:
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print(f"Input5 error: {e}")
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def get_input6():
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try:
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input6.request(consumer='nicegui', type=gpiod.LINE_REQ_DIR_IN)
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if input6.get_value():
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input6_indicator.classes('text-green', remove='text-red')
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else:
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input6_indicator.classes('text-red', remove='text-green')
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input6.release()
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except OSError as e:
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print(f"Input6 error: {e}")
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def get_input7():
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try:
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input7.request(consumer='nicegui', type=gpiod.LINE_REQ_DIR_IN)
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if input7.get_value():
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input7_indicator.classes('text-green', remove='text-red')
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else:
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input7_indicator.classes('text-red', remove='text-green')
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input7.release()
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except OSError as e:
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print(f"Input7 error: {e}")
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def get_input8():
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try:
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input8.request(consumer='nicegui', type=gpiod.LINE_REQ_DIR_IN)
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if input8.get_value():
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input8_indicator.classes('text-green', remove='text-red')
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else:
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input8_indicator.classes('text-red', remove='text-green')
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input8.release()
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except OSError as e:
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print(f"Input8 error: {e}")
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atexit.register(lambda: output1.release())
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atexit.register(lambda: output2.release())
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atexit.register(lambda: output3.release())
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atexit.register(lambda: output4.release())
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atexit.register(lambda: output5.release())
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atexit.register(lambda: output6.release())
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atexit.register(lambda: output7.release())
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atexit.register(lambda: output8.release())
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atexit.register(lambda: input1.release())
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atexit.register(lambda: input2.release())
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atexit.register(lambda: input3.release())
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atexit.register(lambda: input4.release())
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atexit.register(lambda: input5.release())
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atexit.register(lambda: input6.release())
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atexit.register(lambda: input7.release())
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atexit.register(lambda: input8.release())
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ui.markdown('#zeroPLC')
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ui.markdown('##24V Outputs')
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with ui.row():
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switch_1 = ui.switch('Output 1', on_change=set_output1)
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switch_2 = ui.switch('Output 2', on_change=set_output2)
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switch_3 = ui.switch('Output 3', on_change=set_output3)
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switch_4 = ui.switch('Output 4', on_change=set_output4)
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switch_5 = ui.switch('Output 5', on_change=set_output5)
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switch_6 = ui.switch('Output 6', on_change=set_output6)
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switch_7 = ui.switch('Output 7', on_change=set_output7)
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switch_8 = ui.switch('Output 8', on_change=set_output8)
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ui.markdown('##24V Digital Inputs')
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with ui.row():
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input1_indicator = ui.icon('fiber_manual_record', size='2em').classes('drop-shadow text-red')
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ui.label('Input 1')
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input2_indicator = ui.icon('fiber_manual_record', size='2em').classes('drop-shadow text-red')
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ui.label('Input 2')
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input3_indicator = ui.icon('fiber_manual_record', size='2em').classes('drop-shadow text-red')
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ui.label('Input 3')
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input4_indicator = ui.icon('fiber_manual_record', size='2em').classes('drop-shadow text-red')
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ui.label('Input 4')
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input5_indicator = ui.icon('fiber_manual_record', size='2em').classes('drop-shadow text-red')
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ui.label('Input 5')
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input6_indicator = ui.icon('fiber_manual_record', size='2em').classes('drop-shadow text-red')
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ui.label('Input 6')
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input7_indicator = ui.icon('fiber_manual_record', size='2em').classes('drop-shadow text-red')
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ui.label('Input 7')
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input8_indicator = ui.icon('fiber_manual_record', size='2em').classes('drop-shadow text-red')
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ui.label('Input 8')
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ui.timer(0.5, get_input1)
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ui.timer(0.5, get_input2)
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ui.timer(0.5, get_input3)
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ui.timer(0.5, get_input4)
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ui.timer(0.5, get_input5)
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ui.timer(0.5, get_input6)
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ui.timer(0.5, get_input7)
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ui.timer(0.5, get_input8)
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table_rows = [
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{'Input': str(i + 1), 'Voltage': 0.0} for i in range(8)
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]
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# Example function to update voltages
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def get_analog_inputs():
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value = [0] * 8
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with open('/sys/bus/iio/devices/iio:device1/in_voltage0_raw', 'r') as f:
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value[0]=int(f.read())*3/500
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with open('/sys/bus/iio/devices/iio:device1/in_voltage1_raw', 'r') as f:
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value[1]=int(f.read())*3/500
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with open('/sys/bus/iio/devices/iio:device1/in_voltage2_raw', 'r') as f:
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value[2]=int(f.read())*3/500
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with open('/sys/bus/iio/devices/iio:device1/in_voltage3_raw', 'r') as f:
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value[3]=int(f.read())*3/500
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with open('/sys/bus/iio/devices/iio:device0/in_voltage0_raw', 'r') as f:
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value[4]=int(f.read())*3/500
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with open('/sys/bus/iio/devices/iio:device0/in_voltage1_raw', 'r') as f:
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value[5]=int(f.read())*3/500
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with open('/sys/bus/iio/devices/iio:device0/in_voltage2_raw', 'r') as f:
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value[6]=int(f.read())*3/500
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with open('/sys/bus/iio/devices/iio:device0/in_voltage3_raw', 'r') as f:
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value[7]=int(f.read())*3/500
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for i in range(8):
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table_rows[i]['Voltage'] = value[i]
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table.rows = table_rows
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table.update()
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ui.markdown('##10V Analog Inputs')
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with ui.row():
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# Create the table
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table = ui.table(
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columns=[
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{'name': 'Input', 'label': 'Input', 'field': 'Input'},
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{'name': 'Voltage', 'label': 'Voltage', 'field': 'Voltage'},
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],
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rows=table_rows,
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)
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ui.timer(0.5, get_analog_inputs)
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ui.markdown('##Communication')
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ui.markdown('####Onewire')
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def get_onewire():
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try:
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with open('/sys/bus/w1/devices/28-ca795e1e64ff/temperature', 'r') as f:
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value=int(f.read())/1000
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onewirelabel.set_text("DS18B20 onewire sensor: %.2f °C"%value)
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except:
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onewirelabel.set_text("not connected")
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with ui.row():
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onewirelabel = ui.label()
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ui.timer(1, get_onewire)
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ui.markdown('####I2C')
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with ui.row():
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tmp117label = ui.label()
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ui.timer(1, lambda: tmp117label.set_text("Onboard TMP117 temperature: %.2f °C"%tmp117.temperature))
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ui.markdown('####Differential I2C')
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def get_diffi2c():
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if sht == 0:
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sht40label.set_text("not connected")
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else:
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temperature, relative_humidity = sht.measurements
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sht40label.set_text("SHT40 sensor: %.2f °C %0.1f %%"%(temperature, relative_humidity))
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with ui.row():
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sht40label = ui.label()
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ui.timer(1, get_diffi2c)
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app.add_static_files('/static', 'static')
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ui.query("body").style(
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"background-image: url('/static/zeroplc.jpg');"
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"background-size: contain;"
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"background-position: center;"
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"background-repeat: no-repeat;"
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)
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def main():
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try:
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init_camera()
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camera_connected = 1
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except:
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camera_connected = 0
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ui.markdown('####Camera')
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with ui.row().classes('w-full justify-left'):
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if camera_connected != 0:
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ui.html('''
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<div>
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<img src="/video_feed" style="width: 100%; height: auto;" />
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</div>
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''')
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else:
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ui.html('<h3>No camera connected</h3>')
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ui.run(reload=False)
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if __name__ == '__main__':
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main()
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Reference in New Issue
Block a user