initial commit
commit
4c11f7fc4b
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@ -0,0 +1,22 @@
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{
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||||||
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"upload": {
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"port": "/dev/tty.usbserial-1410",
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||||||
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"baud": 115200
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||||||
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},
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"serial": {
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"port": "/dev/tty.usbserial-1410",
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"baud": 115200
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},
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"ignore": {
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"extensions": [
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||||||
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".micropythonrc"
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],
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"directories": [
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".vscode"
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]
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},
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||||||
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"tools": {
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||||||
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"ampy": "/usr/local/bin/ampy",
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||||||
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"rshell": "/Library/Frameworks/Python.framework/Versions/3.7/bin/rshell"
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}
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}
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{
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"python.languageServer": "Pylance",
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"python.linting.pylintEnabled": false,
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"python.analysis.diagnosticSeverityOverrides": {
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"reportMissingModuleSource": "none"
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},
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"python.analysis.extraPaths": [
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"",
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"/Users/peter/.vscode/extensions/joedevivo.vscode-circuitpython-0.1.19-darwin-x64/stubs",
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"/Users/peter/Library/Application Support/Code/User/globalStorage/joedevivo.vscode-circuitpython/bundle/20220820/adafruit-circuitpython-bundle-py-20220820/lib"
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],
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"circuitpython.board.version": null
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}
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def connect():
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import network
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from time import sleep_ms
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ssid = "-Netzlein-"
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password = "Lau5Buam!"
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#ssid = "Phaser"
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#password = "toolbelt555"
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print("Connecting to WiFi")
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station = network.WLAN(network.STA_IF)
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if station.isconnected() == True:
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print("Already connected")
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return True
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station.active(True)
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station.connect(ssid, password) # Timeout 10 Seconds
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while station.status() == 1:
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# 1 connecting?
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# 2 ???
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# 3 failed?
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# 5 connected?
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sleep_ms(500)
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print("Connection status")
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print(station.status())
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if station.isconnected():
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print("Connection successful")
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print(station.ifconfig())
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return True
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else:
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return False
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@ -0,0 +1,317 @@
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# -*- coding: utf-8 -*-
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from machine import Pin, I2C
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import ssd1306
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from time import sleep_ms
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import onewire, ds18x20
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import urequests
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import ConnectWiFi
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# ESP8266 Pin assignment
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i2c = I2C(-1, scl=Pin(5), sda=Pin(4))
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ds18b20 = ds18x20.DS18X20(onewire.OneWire(Pin(0)))
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oled_width = 128
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oled_height = 64
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oled = ssd1306.SSD1306_I2C(oled_width, oled_height, i2c)
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oled.contrast(100)
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roms = ds18b20.scan()
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print('Found DS devices: ', roms)
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errortemp = 99
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inner_temp_default = 22
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outer_temp_default = 18
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bar_height = 20
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bar_center = 40
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tick_height = 6
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outer_bar_offset = oled_height-30
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inner_bar_offset = 0
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log_length = 120
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outer_refresh_interval = 15
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outer_temp = errortemp
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inner_temp = errortemp
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inner_msg = ""
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outer_msg = ""
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inner_templog_buffer = []
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outer_templog_buffer = []
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inner_templog = []
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outer_templog = []
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refresh_counter = 1
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burn_in_counter = 0
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"""
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def rand( floor, mod=0, negative = False):
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# return random value from -floor.mod to floor.mod if negative is True
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from os import urandom as rnd
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sign = 1 if ord(rnd(1))%10 > 5 else -1
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sign = sign if negative else 1
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if mod:
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value = float(('{}.{}').format(ord(rnd(1))%floor, ord(rnd(1))%mod))
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else:
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value = int(('{}').format(ord(rnd(1))%floor))
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return sign*value
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"""
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def cleanedlist(list):
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return [i for i in list if i != errortemp]
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def drawoutlinetext(string, x, y, color):
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oled.text(string, x+1, y, not color)
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oled.text(string, x-1, y, not color)
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oled.text(string, x, y+1, not color)
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oled.text(string, x, y-1, not color)
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oled.text(string, x+1, y+1, not color)
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oled.text(string, x-1, y+1, not color)
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oled.text(string, x+1, y-1, not color)
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oled.text(string, x-1, y-1, not color)
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oled.text(string, x+2, y, not color)
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oled.text(string, x-2, y, not color)
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oled.text(string, x+2, y+1, not color)
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oled.text(string, x-2, y+1, not color)
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oled.text(string, x+2, y-1, not color)
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oled.text(string, x-2, y-1, not color)
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oled.text(string, x, y+2, not color)
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oled.text(string, x+1, y+2, not color)
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oled.text(string, x-1, y+2, not color)
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oled.text(string, x, y, color)
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def drawlabels(minval, maxval, inner_templog_clean, outer_templog_clean, inner_temp, outer_temp):
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label_height = 13
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label_width = 8*4
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||||||
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inner_temp_label = inner_temp
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outer_temp_label = outer_temp
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||||||
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if inner_temp == errortemp:
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if len(inner_templog_clean) > 0:
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inner_temp = inner_templog_clean[-1]
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else:
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inner_temp = inner_temp_default
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if outer_temp == errortemp:
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if len(outer_templog_clean) > 0:
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outer_temp = outer_templog_clean[-1]
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else:
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outer_temp = outer_temp_default
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inner_label_y = oled_height-int((float(inner_temp)-minval)/(maxval-minval)*(oled_height))
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outer_label_y = oled_height-int((float(outer_temp)-minval)/(maxval-minval)*(oled_height))
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label_xpos = oled_width-label_width-4
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inner_label_ypos = max(min(int(inner_label_y-(label_height/2)), oled_height-label_height), 0)-1
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||||||
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outer_label_ypos = max(min(int(outer_label_y-(label_height/2)), oled_height-label_height), 0)-1
|
||||||
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|
||||||
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if inner_label_ypos > outer_label_ypos:
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||||||
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while inner_label_ypos-outer_label_ypos < label_height:
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||||||
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inner_label_ypos = min(inner_label_ypos+1, oled_height-label_height)
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outer_label_ypos = max(outer_label_ypos-1, 0)
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||||||
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||||||
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if inner_label_ypos <= outer_label_ypos:
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while outer_label_ypos-inner_label_ypos < label_height:
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||||||
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inner_label_ypos = max(inner_label_ypos-1, 0)
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||||||
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outer_label_ypos = min(outer_label_ypos+1, oled_height-label_height)
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||||||
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||||||
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inner_temp_pad = " "
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||||||
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outer_temp_pad = " "
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||||||
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||||||
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if int(round(inner_temp, 0)) >= 0 and int(round(inner_temp, 0)) < 10:
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inner_temp_pad = " "
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||||||
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elif int(round(inner_temp, 0)) < -9:
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||||||
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inner_temp_pad = ""
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if int(round(outer_temp, 0)) >= 0 and int(round(outer_temp, 0)) < 10:
|
||||||
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outer_temp_pad = " "
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||||||
|
elif int(round(outer_temp, 0)) < -9:
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outer_temp_pad = ""
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||||||
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|
||||||
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if (inner_temp_label == errortemp):
|
||||||
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inner_temp_string = " --"
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else:
|
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inner_temp_string = inner_temp_pad+str(int(round(inner_temp, 0)))
|
||||||
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|
||||||
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if (outer_temp_label == errortemp):
|
||||||
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outer_temp_string = " --"
|
||||||
|
else:
|
||||||
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outer_temp_string = outer_temp_pad+str(int(round(outer_temp, 0)))
|
||||||
|
|
||||||
|
drawoutlinetext(inner_temp_string, label_xpos+4, inner_label_ypos+3, 1)
|
||||||
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drawoutlinetext(outer_temp_string, label_xpos+4, outer_label_ypos+3, 1)
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||||||
|
|
||||||
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def drawgraph(tempdata, temp, minval, maxval, x, y, width, height, style):
|
||||||
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|
||||||
|
tempdata = tempdata + [temp]
|
||||||
|
|
||||||
|
if (len(tempdata) > 1):
|
||||||
|
|
||||||
|
normalized = [int((float(i)-minval)/(maxval-minval)*(height)) for i in tempdata]
|
||||||
|
stepwidth = width/(len(normalized)-1)
|
||||||
|
|
||||||
|
for i in range(0, len(normalized)-1):
|
||||||
|
if tempdata[i] == errortemp or tempdata[i+1] == errortemp:
|
||||||
|
pass
|
||||||
|
else:
|
||||||
|
if style == 'line':
|
||||||
|
oled.line(x+int(i*stepwidth), y+height-normalized[i]-1, x+int(i*stepwidth+stepwidth), y+height-normalized[i+1]-1, 0)
|
||||||
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oled.line(x+int(i*stepwidth), y+height-normalized[i]+1, x+int(i*stepwidth+stepwidth), y+height-normalized[i+1]+1, 0)
|
||||||
|
oled.line(x+int(i*stepwidth), y+height-normalized[i], x+int(i*stepwidth+stepwidth), y+height-normalized[i+1], 1)
|
||||||
|
elif style == 'dashed':
|
||||||
|
for j in range(0, int(stepwidth)+1):
|
||||||
|
localx = x+int(i*stepwidth)+j
|
||||||
|
if (localx+4) % 9 < 6:
|
||||||
|
value = int( normalized[i] + (normalized[i+1]-normalized[i]) * (j/stepwidth) )
|
||||||
|
oled.pixel(localx, y+height-value-1, 0)
|
||||||
|
oled.pixel(localx, y+height-value+1, 0)
|
||||||
|
oled.pixel(localx, y+height-value, 1)
|
||||||
|
elif style == 'solid':
|
||||||
|
for j in range(0, int(stepwidth)+1):
|
||||||
|
localx = x+int(i*stepwidth)+j
|
||||||
|
if (localx+3)%4 == 2:
|
||||||
|
value = int( normalized[i] + (normalized[i+1]-normalized[i]) * (j/stepwidth) )
|
||||||
|
for localy in range(y+height-value+2, y+height):
|
||||||
|
if (localy+localx/2+burn_in_counter) % 4 > 2:
|
||||||
|
oled.pixel(localx, localy, 1)
|
||||||
|
elif style == 'halfsolid':
|
||||||
|
for j in range(0, int(stepwidth)+1):
|
||||||
|
localx = x+int(i*stepwidth)+j
|
||||||
|
if (localx+1)%4 == 2:
|
||||||
|
value = int( normalized[i] + (normalized[i+1]-normalized[i]) * (j/stepwidth) )
|
||||||
|
for localy in range(y+height-value+2, y+height):
|
||||||
|
if (localy+localx/2+burn_in_counter) % 4 > 3:
|
||||||
|
oled.pixel(localx, localy, 1)
|
||||||
|
|
||||||
|
def refresh_inner():
|
||||||
|
global inner_msg
|
||||||
|
global inner_temp
|
||||||
|
|
||||||
|
inner_msg = "Temp Read Error"
|
||||||
|
|
||||||
|
for rom in roms:
|
||||||
|
inner_temp = ds18b20.read_temp(rom)
|
||||||
|
inner_msg = ""
|
||||||
|
#print('DS: '+str(inner_temp))
|
||||||
|
|
||||||
|
def refresh_outer():
|
||||||
|
global outer_msg
|
||||||
|
global outer_temp
|
||||||
|
|
||||||
|
outer_msg = ""
|
||||||
|
|
||||||
|
connection_success = ConnectWiFi.connect()
|
||||||
|
|
||||||
|
if connection_success:
|
||||||
|
try:
|
||||||
|
response = urequests.get('http://api.openweathermap.org/data/2.5/weather?zip=79106,de&appid=50fdc9dbace8903dae0ac4ee4143b3b5')
|
||||||
|
parsed = response.json()
|
||||||
|
|
||||||
|
if 'cod' in parsed:
|
||||||
|
if parsed["cod"] != 200:
|
||||||
|
outer_msg = "Error "+str(parsed["cod"])
|
||||||
|
outer_temp = errortemp
|
||||||
|
if 'main' in parsed and 'temp' in parsed["main"]:
|
||||||
|
outer_temp = float(parsed["main"]["temp"]) - 273.15
|
||||||
|
else:
|
||||||
|
outer_msg = "No Temperature"
|
||||||
|
outer_temp = errortemp
|
||||||
|
except:
|
||||||
|
outer_msg = "No Response"
|
||||||
|
print("no response")
|
||||||
|
outer_temp = errortemp
|
||||||
|
else:
|
||||||
|
outer_msg = "No WiFi"
|
||||||
|
outer_temp = errortemp
|
||||||
|
|
||||||
|
def showgraph():
|
||||||
|
oled.fill(0)
|
||||||
|
graphmin = outer_temp_default
|
||||||
|
graphmax = inner_temp_default
|
||||||
|
|
||||||
|
inner_templog_clean = cleanedlist(inner_templog+[inner_temp])
|
||||||
|
outer_templog_clean = cleanedlist(outer_templog+[outer_temp])
|
||||||
|
|
||||||
|
if len(inner_templog_clean) >= 1 and len(outer_templog_clean) >= 1:
|
||||||
|
graphmin = min(min(inner_templog_clean), min(outer_templog_clean))
|
||||||
|
graphmax = max(max(inner_templog_clean), max(outer_templog_clean))
|
||||||
|
|
||||||
|
graphmin -= 5
|
||||||
|
graphmax += 5
|
||||||
|
|
||||||
|
drawgraph(inner_templog, inner_temp, graphmin, graphmax, 0, 0, oled_width-1, oled_height-1, 'halfsolid')
|
||||||
|
drawgraph(outer_templog, outer_temp, graphmin, graphmax, 0, 0, oled_width-1, oled_height-1, 'solid')
|
||||||
|
|
||||||
|
drawgraph(inner_templog, inner_temp, graphmin, graphmax, 0, 0, oled_width-1, oled_height-1, 'dashed')
|
||||||
|
drawgraph(outer_templog, outer_temp, graphmin, graphmax, 0, 0, oled_width-1, oled_height-1, 'line')
|
||||||
|
|
||||||
|
drawlabels(graphmin, graphmax, inner_templog_clean, outer_templog_clean, inner_temp, outer_temp)
|
||||||
|
|
||||||
|
if inner_msg != "" and outer_msg == "":
|
||||||
|
drawoutlinetext(inner_msg, 5, oled_height-15, 1)
|
||||||
|
elif inner_msg != "" and outer_msg != "":
|
||||||
|
drawoutlinetext(inner_msg, 5, oled_height-25, 1)
|
||||||
|
if outer_msg != "":
|
||||||
|
drawoutlinetext(outer_msg, 5, oled_height-15, 1)
|
||||||
|
|
||||||
|
oled.show()
|
||||||
|
|
||||||
|
#setup/init
|
||||||
|
ds18b20.convert_temp()
|
||||||
|
sleep_ms(750)
|
||||||
|
|
||||||
|
refresh_inner()
|
||||||
|
inner_templog_buffer.append(inner_temp)
|
||||||
|
inner_templog.append(inner_temp)
|
||||||
|
showgraph()
|
||||||
|
|
||||||
|
refresh_outer()
|
||||||
|
if outer_temp != errortemp:
|
||||||
|
outer_templog_buffer.append(outer_temp)
|
||||||
|
outer_templog.append(outer_temp)
|
||||||
|
showgraph()
|
||||||
|
|
||||||
|
while True:
|
||||||
|
|
||||||
|
refresh_counter += 1
|
||||||
|
burn_in_counter = burn_in_counter+1 % 4*9
|
||||||
|
do_refresh_outer = False
|
||||||
|
|
||||||
|
ds18b20.convert_temp() # refresh value ahead of time for minimum latency
|
||||||
|
sleep_ms(1000) # refresh inner temp every second
|
||||||
|
|
||||||
|
print('.', end='')
|
||||||
|
|
||||||
|
if refresh_counter >= outer_refresh_interval: # refresh outer temp every 30 sec
|
||||||
|
do_refresh_outer = True
|
||||||
|
refresh_counter = 0
|
||||||
|
|
||||||
|
refresh_inner()
|
||||||
|
inner_templog_buffer.append(inner_temp)
|
||||||
|
|
||||||
|
if do_refresh_outer:
|
||||||
|
|
||||||
|
print('#')
|
||||||
|
|
||||||
|
inner_templog.append(sum(inner_templog_buffer)/len(inner_templog_buffer))
|
||||||
|
inner_templog = inner_templog[(0-log_length):]
|
||||||
|
inner_templog_buffer = []
|
||||||
|
|
||||||
|
refresh_outer()
|
||||||
|
|
||||||
|
if outer_temp != errortemp:
|
||||||
|
outer_templog_buffer.append(outer_temp)
|
||||||
|
outer_templog.append(sum(outer_templog_buffer)/len(outer_templog_buffer))
|
||||||
|
outer_templog_buffer = outer_templog_buffer[-6:]
|
||||||
|
else:
|
||||||
|
outer_templog.append(errortemp)
|
||||||
|
outer_templog_buffer = []
|
||||||
|
outer_templog = outer_templog[(0-log_length):]
|
||||||
|
|
||||||
|
showgraph()
|
||||||
|
|
@ -0,0 +1,155 @@
|
||||||
|
# MicroPython SSD1306 OLED driver, I2C and SPI interfaces
|
||||||
|
|
||||||
|
from micropython import const
|
||||||
|
import framebuf
|
||||||
|
|
||||||
|
|
||||||
|
# register definitions
|
||||||
|
SET_CONTRAST = const(0x81)
|
||||||
|
SET_ENTIRE_ON = const(0xA4)
|
||||||
|
SET_NORM_INV = const(0xA6)
|
||||||
|
SET_DISP = const(0xAE)
|
||||||
|
SET_MEM_ADDR = const(0x20)
|
||||||
|
SET_COL_ADDR = const(0x21)
|
||||||
|
SET_PAGE_ADDR = const(0x22)
|
||||||
|
SET_DISP_START_LINE = const(0x40)
|
||||||
|
SET_SEG_REMAP = const(0xA0)
|
||||||
|
SET_MUX_RATIO = const(0xA8)
|
||||||
|
SET_COM_OUT_DIR = const(0xC0)
|
||||||
|
SET_DISP_OFFSET = const(0xD3)
|
||||||
|
SET_COM_PIN_CFG = const(0xDA)
|
||||||
|
SET_DISP_CLK_DIV = const(0xD5)
|
||||||
|
SET_PRECHARGE = const(0xD9)
|
||||||
|
SET_VCOM_DESEL = const(0xDB)
|
||||||
|
SET_CHARGE_PUMP = const(0x8D)
|
||||||
|
|
||||||
|
# Subclassing FrameBuffer provides support for graphics primitives
|
||||||
|
# http://docs.micropython.org/en/latest/pyboard/library/framebuf.html
|
||||||
|
class SSD1306(framebuf.FrameBuffer):
|
||||||
|
def __init__(self, width, height, external_vcc):
|
||||||
|
self.width = width
|
||||||
|
self.height = height
|
||||||
|
self.external_vcc = external_vcc
|
||||||
|
self.pages = self.height // 8
|
||||||
|
self.buffer = bytearray(self.pages * self.width)
|
||||||
|
super().__init__(self.buffer, self.width, self.height, framebuf.MONO_VLSB)
|
||||||
|
self.init_display()
|
||||||
|
|
||||||
|
def init_display(self):
|
||||||
|
for cmd in (
|
||||||
|
SET_DISP | 0x00, # off
|
||||||
|
# address setting
|
||||||
|
SET_MEM_ADDR,
|
||||||
|
0x00, # horizontal
|
||||||
|
# resolution and layout
|
||||||
|
SET_DISP_START_LINE | 0x00,
|
||||||
|
SET_SEG_REMAP | 0x01, # column addr 127 mapped to SEG0
|
||||||
|
SET_MUX_RATIO,
|
||||||
|
self.height - 1,
|
||||||
|
SET_COM_OUT_DIR | 0x08, # scan from COM[N] to COM0
|
||||||
|
SET_DISP_OFFSET,
|
||||||
|
0x00,
|
||||||
|
SET_COM_PIN_CFG,
|
||||||
|
0x02 if self.width > 2 * self.height else 0x12,
|
||||||
|
# timing and driving scheme
|
||||||
|
SET_DISP_CLK_DIV,
|
||||||
|
0x80,
|
||||||
|
SET_PRECHARGE,
|
||||||
|
0x22 if self.external_vcc else 0xF1,
|
||||||
|
SET_VCOM_DESEL,
|
||||||
|
0x30, # 0.83*Vcc
|
||||||
|
# display
|
||||||
|
SET_CONTRAST,
|
||||||
|
0xFF, # maximum
|
||||||
|
SET_ENTIRE_ON, # output follows RAM contents
|
||||||
|
SET_NORM_INV, # not inverted
|
||||||
|
# charge pump
|
||||||
|
SET_CHARGE_PUMP,
|
||||||
|
0x10 if self.external_vcc else 0x14,
|
||||||
|
SET_DISP | 0x01,
|
||||||
|
): # on
|
||||||
|
self.write_cmd(cmd)
|
||||||
|
self.fill(0)
|
||||||
|
self.show()
|
||||||
|
|
||||||
|
def poweroff(self):
|
||||||
|
self.write_cmd(SET_DISP | 0x00)
|
||||||
|
|
||||||
|
def poweron(self):
|
||||||
|
self.write_cmd(SET_DISP | 0x01)
|
||||||
|
|
||||||
|
def contrast(self, contrast):
|
||||||
|
self.write_cmd(SET_CONTRAST)
|
||||||
|
self.write_cmd(contrast)
|
||||||
|
|
||||||
|
def invert(self, invert):
|
||||||
|
self.write_cmd(SET_NORM_INV | (invert & 1))
|
||||||
|
|
||||||
|
def show(self):
|
||||||
|
x0 = 0
|
||||||
|
x1 = self.width - 1
|
||||||
|
if self.width == 64:
|
||||||
|
# displays with width of 64 pixels are shifted by 32
|
||||||
|
x0 += 32
|
||||||
|
x1 += 32
|
||||||
|
self.write_cmd(SET_COL_ADDR)
|
||||||
|
self.write_cmd(x0)
|
||||||
|
self.write_cmd(x1)
|
||||||
|
self.write_cmd(SET_PAGE_ADDR)
|
||||||
|
self.write_cmd(0)
|
||||||
|
self.write_cmd(self.pages - 1)
|
||||||
|
self.write_data(self.buffer)
|
||||||
|
|
||||||
|
|
||||||
|
class SSD1306_I2C(SSD1306):
|
||||||
|
def __init__(self, width, height, i2c, addr=0x3C, external_vcc=False):
|
||||||
|
self.i2c = i2c
|
||||||
|
self.addr = addr
|
||||||
|
self.temp = bytearray(2)
|
||||||
|
self.write_list = [b"\x40", None] # Co=0, D/C#=1
|
||||||
|
super().__init__(width, height, external_vcc)
|
||||||
|
|
||||||
|
def write_cmd(self, cmd):
|
||||||
|
self.temp[0] = 0x80 # Co=1, D/C#=0
|
||||||
|
self.temp[1] = cmd
|
||||||
|
self.i2c.writeto(self.addr, self.temp)
|
||||||
|
|
||||||
|
def write_data(self, buf):
|
||||||
|
self.write_list[1] = buf
|
||||||
|
self.i2c.writevto(self.addr, self.write_list)
|
||||||
|
|
||||||
|
|
||||||
|
class SSD1306_SPI(SSD1306):
|
||||||
|
def __init__(self, width, height, spi, dc, res, cs, external_vcc=False):
|
||||||
|
self.rate = 10 * 1024 * 1024
|
||||||
|
dc.init(dc.OUT, value=0)
|
||||||
|
res.init(res.OUT, value=0)
|
||||||
|
cs.init(cs.OUT, value=1)
|
||||||
|
self.spi = spi
|
||||||
|
self.dc = dc
|
||||||
|
self.res = res
|
||||||
|
self.cs = cs
|
||||||
|
import time
|
||||||
|
|
||||||
|
self.res(1)
|
||||||
|
time.sleep_ms(1)
|
||||||
|
self.res(0)
|
||||||
|
time.sleep_ms(10)
|
||||||
|
self.res(1)
|
||||||
|
super().__init__(width, height, external_vcc)
|
||||||
|
|
||||||
|
def write_cmd(self, cmd):
|
||||||
|
self.spi.init(baudrate=self.rate, polarity=0, phase=0)
|
||||||
|
self.cs(1)
|
||||||
|
self.dc(0)
|
||||||
|
self.cs(0)
|
||||||
|
self.spi.write(bytearray([cmd]))
|
||||||
|
self.cs(1)
|
||||||
|
|
||||||
|
def write_data(self, buf):
|
||||||
|
self.spi.init(baudrate=self.rate, polarity=0, phase=0)
|
||||||
|
self.cs(1)
|
||||||
|
self.dc(1)
|
||||||
|
self.cs(0)
|
||||||
|
self.spi.write(buf)
|
||||||
|
self.cs(1)
|
||||||
Loading…
Reference in New Issue