Merge pull request #1952 from caternuson/trinkey_enviro

Trinkey QT2040 Enviro Gadget Code

Author: TheKitty

Trinkey_QT2040_Enviro_Gadget/arduino/trinkey_qt2040_enviro/.qt2040_trinkey.test.only

@@ -0,0 +1,111 @@
+// SPDX-FileCopyrightText: 2021 Carter Nelson for Adafruit Industries
+//
+// SPDX-License-Identifier: MIT
+
+#include <Adafruit_NeoPixel.h>
+#include <Adafruit_BME280.h>
+#include <SensirionI2CScd4x.h>
+#include <Wire.h>
+
+//--| User Config |-----------------------------------------------
+#define DATA_FORMAT   0         // 0=CSV, 1=JSON
+#define DATA_RATE     5000      // generate new number ever X ms
+#define BEAT_COLOR    0xADAF00  // neopixel heart beat color
+#define BEAT_RATE     1000      // neopixel heart beat rate in ms, 0=none
+//----------------------------------------------------------------
+
+Adafruit_BME280 bme;
+SensirionI2CScd4x scd4x;
+Adafruit_NeoPixel neopixel(1, PIN_NEOPIXEL, NEO_GRB + NEO_KHZ800);
+
+uint16_t CO2, data_ready;
+float scd4x_temp, scd4x_humid;
+float temperature, humidity, pressure;
+int current_time, last_data, last_beat;
+
+void setup() {
+  Serial.begin(115200);
+
+  // init status neopixel
+  neopixel.begin();
+  neopixel.fill(0);
+  neopixel.show();
+
+  // init BME280 first, this calls Wire.begin()
+  if (!bme.begin()) {
+    Serial.println("Failed to initialize BME280.");
+    neoPanic();
+  }
+
+  // init SCD40
+  scd4x.begin(Wire);
+  scd4x.stopPeriodicMeasurement();
+  if (scd4x.startPeriodicMeasurement()) {
+    Serial.println("Failed to start SCD40.");
+    neoPanic();
+  }
+
+  // init time tracking
+  last_data = last_beat = millis();
+}
+
+void loop() {
+  current_time = millis();
+
+  //-----------
+  // Send Data
+  //-----------
+  if (current_time - last_data > DATA_RATE) {
+    temperature = bme.readTemperature();
+    pressure = bme.readPressure() / 100;
+    humidity = bme.readHumidity();
+    scd4x.setAmbientPressure(uint16_t(pressure));
+    scd4x.readMeasurement(CO2, scd4x_temp, scd4x_humid);
+    switch (DATA_FORMAT) {
+      case 0:
+        sendCSV(); break;
+      case 1:
+        sendJSON(); break;
+      default:
+        Serial.print("Unknown data format: "); Serial.println(DATA_FORMAT);
+        neoPanic();
+    }
+    last_data = current_time;
+  }
+
+  //------------
+  // Heart Beat
+  //------------
+  if ((BEAT_RATE) && (current_time - last_beat > BEAT_RATE)) {
+    if (neopixel.getPixelColor(0)) {
+      neopixel.fill(0);
+    } else {
+      neopixel.fill(BEAT_COLOR);
+    }
+    neopixel.show();
+    last_beat = current_time;
+  }
+}
+
+void sendCSV() {
+  Serial.print(CO2); Serial.print(", ");
+  Serial.print(pressure); Serial.print(", ");
+  Serial.print(temperature); Serial.print(", ");
+  Serial.println(humidity);
+}
+
+void sendJSON() {
+  Serial.print("{");
+  Serial.print("\"CO2\" : "); Serial.print(CO2); Serial.print(", ");
+  Serial.print("\"pressure\" : "); Serial.print(pressure); Serial.print(", ");
+  Serial.print("\"temperature\" : "); Serial.print(temperature); Serial.print(", ");
+  Serial.print("\"humidity\" : "); Serial.print(humidity);
+  Serial.println("}");
+}
+
+void neoPanic() {
+  while (1) {
+    neopixel.fill(0xFF0000); neopixel.show(); delay(100);
+    neopixel.fill(0x000000); neopixel.show(); delay(100);
+  }
+}

Trinkey_QT2040_Enviro_Gadget/arduino/trinkey_qt2040_enviro/trinkey_qt2040_enviro.ino

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+import usb_cdc
+usb_cdc.enable(data=True)

Trinkey_QT2040_Enviro_Gadget/circuitpython/boot.py

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+# SPDX-FileCopyrightText: 2021 Carter Nelson for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
+import time
+import board
+import usb_cdc
+import adafruit_scd4x
+from adafruit_bme280 import basic as adafruit_bme280
+import neopixel
+
+#--| User Config |-----------------------------------
+DATA_FORMAT = "JSON"    # data format, CSV or JSON
+DATA_RATE = 5           # data read rate in secs
+BEAT_COLOR = 0xADAF00   # neopixel heart beat color
+BEAT_RATE = 1           # neopixel heart beat rate in secs, 0=none
+#----------------------------------------------------
+
+# check that USB CDC data has been enabled
+if usb_cdc.data is None:
+    print("Need to enable USB CDC serial data in boot.py.")
+    while True:
+        pass
+
+# setup stuff
+scd = adafruit_scd4x.SCD4X(board.I2C())
+scd.start_periodic_measurement()
+bme = adafruit_bme280.Adafruit_BME280_I2C(board.I2C())
+pixel = neopixel.NeoPixel(board.NEOPIXEL, 1)
+
+# CSV output
+def send_csv_data(values):
+    usb_cdc.data.write("{}, {}, {}, {}\n".format(*values).encode())
+
+# JSON output
+def send_json_data(values):
+    usb_cdc.data.write('{'.encode())
+    usb_cdc.data.write('"CO2" : {},'.format(values[0]).encode())
+    usb_cdc.data.write('"pressure" : {},'.format(values[1]).encode())
+    usb_cdc.data.write('"temperature" : {},'.format(values[2]).encode())
+    usb_cdc.data.write('"humidity" : {}'.format(values[3]).encode())
+    usb_cdc.data.write('}\n'.encode())
+
+# init time tracking
+last_data = last_beat = time.monotonic()
+
+# loop forever!
+while True:
+    current_time = time.monotonic()
+
+    # data
+    if current_time - last_data > DATA_RATE:
+        data = (scd.CO2, bme.pressure, bme.temperature, bme.humidity)
+        usb_cdc.data.reset_output_buffer()
+        if DATA_FORMAT == "CSV":
+            send_csv_data(data)
+        elif DATA_FORMAT == "JSON":
+            send_json_data(data)
+        else:
+            usb_cdc.data.write(b"Unknown data format.\n")
+        last_data = current_time
+
+    # heart beat
+    if BEAT_RATE and current_time - last_beat > BEAT_RATE:
+        if pixel[0][0]:
+            pixel.fill(0)
+        else:
+            pixel.fill(BEAT_COLOR)
+        last_beat = current_time

Trinkey_QT2040_Enviro_Gadget/circuitpython/enviromon.py

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+# SPDX-FileCopyrightText: 2021 Carter Nelson for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
+import serial
+
+# open serial port (NOTE: change location as needed)
+ss = serial.Serial("/dev/ttyACM0")
+
+# read string
+_ = ss.readline() # first read may be incomplete, just toss it
+raw_string = ss.readline().strip().decode()
+
+# create list of floats
+data = [float(x) for x in raw_string.split(',')]
+
+# print them
+print("CO2 =", data[0])
+print("pressure =", data[1])
+print("temperature =", data[2])
+print("humidity =", data[3])

Trinkey_QT2040_Enviro_Gadget/python/read_csv.py

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+# SPDX-FileCopyrightText: 2021 Carter Nelson for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
+import json
+import serial
+
+# open serial port (NOTE: change location as needed)
+ss = serial.Serial("/dev/ttyACM0")
+
+# read string
+_ = ss.readline() # first read may be incomplete, just toss it
+raw_string = ss.readline().strip().decode()
+
+# load JSON
+data = json.loads(raw_string)
+
+# print data
+print("CO2 =", data['CO2'])
+print("pressure =", data['pressure'])
+print("temperature =", data['temperature'])
+print("humidity =", data['humidity'])

Trinkey_QT2040_Enviro_Gadget/python/read_json.py

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+# SPDX-FileCopyrightText: 2021 Carter Nelson for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
+import time
+import board
+import adafruit_scd4x
+from adafruit_bme280 import basic as adafruit_bme280
+
+scd = adafruit_scd4x.SCD4X(board.I2C())
+scd.start_periodic_measurement()
+
+bme = adafruit_bme280.Adafruit_BME280_I2C(board.I2C())
+
+while True:
+    time.sleep(5)
+    print("CO2 =", scd.CO2)
+    print("Pressure = {:.1f} hPa".format(bme.pressure))
+    print("Temperature = {:.1f} degC".format(bme.temperature))
+    print("Humidity = {:.1f}%".format(bme.humidity))

Trinkey_QT2040_Enviro_Gadget/u2if/enviro_u2if.py

@@ -1 +1 @@
-depends=Adafruit ILI9341, Adafruit BusIO, SD, Adafruit NeoPixel, Adafruit VS1053 Library, Adafruit BluefruitLE nRF51, Adafruit seesaw Library, Ethernet, Adafruit IO Arduino, FastLED, Adafruit LiquidCrystal, Adafruit SoftServo, TinyWireM, Adafruit AM radio library, WaveHC, Adafruit LED Backpack Library, MAX31850 OneWire, Adafruit VC0706 Serial Camera Library, RTClib, Adafruit SleepyDog Library, Adafruit Thermal Printer Library, Adafruit Zero I2S Library, Adafruit EPD, Adafruit SSD1351 library, Adafruit FONA Library, Adafruit Motor Shield V2 Library, Adafruit NeoMatrix, Adafruit Soundboard library, Adafruit Circuit Playground, ArduinoJson, Adafruit TCS34725, Adafruit Pixie, Adafruit GPS Library, TinyGPS, WiFi101, Adafruit DotStar, Adafruit Si7021 Library, Adafruit WS2801 Library, Mouse, Keyboard, Time, IRremote, Adafruit LSM9DS0 Library, Adafruit Arcada Library, MIDIUSB, PubSubClient, Adafruit LIS2MDL, Adafruit NeoPXL8, Adafruit MCP23017 Arduino Library, Adafruit MLX90640, LiquidCrystal, Adafruit NeoTrellis M4 Library, RGB matrix Panel, Adafruit MLX90614 Library, Adafruit RGB LCD Shield Library, MAX6675 library, Adafruit MP3, Adafruit Keypad, Adafruit Arcada GifDecoder, Keypad, Neosegment, Encoder, Adafruit TiCoServo, Adafruit Trellis Library, FauxmoESP, Adafruit LSM303 Accel, Adafruit LSM303DLH Mag, Adafruit LSM303DLHC, CapacitiveSensor, Adafruit Zero PDM Library, Adafruit DMA neopixel library, elapsedMillis, DST RTC, Adafruit SHARP Memory Display, Adafruit SPIFlash, BSEC Software Library, WiiChuck, Adafruit DPS310, Adafruit AHTX0, RotaryEncoder, Adafruit MCP9808 Library, LSM303, Adafruit Protomatter, HID-Project, Adafruit IS31FL3741 Library
+depends=Adafruit ILI9341, Adafruit BusIO, SD, Adafruit NeoPixel, Adafruit VS1053 Library, Adafruit BluefruitLE nRF51, Adafruit seesaw Library, Ethernet, Adafruit IO Arduino, FastLED, Adafruit LiquidCrystal, Adafruit SoftServo, TinyWireM, Adafruit AM radio library, WaveHC, Adafruit LED Backpack Library, MAX31850 OneWire, Adafruit VC0706 Serial Camera Library, RTClib, Adafruit SleepyDog Library, Adafruit Thermal Printer Library, Adafruit Zero I2S Library, Adafruit EPD, Adafruit SSD1351 library, Adafruit FONA Library, Adafruit Motor Shield V2 Library, Adafruit NeoMatrix, Adafruit Soundboard library, Adafruit Circuit Playground, ArduinoJson, Adafruit TCS34725, Adafruit Pixie, Adafruit GPS Library, TinyGPS, WiFi101, Adafruit DotStar, Adafruit Si7021 Library, Adafruit WS2801 Library, Mouse, Keyboard, Time, IRremote, Adafruit LSM9DS0 Library, Adafruit Arcada Library, MIDIUSB, PubSubClient, Adafruit LIS2MDL, Adafruit NeoPXL8, Adafruit MCP23017 Arduino Library, Adafruit MLX90640, LiquidCrystal, Adafruit NeoTrellis M4 Library, RGB matrix Panel, Adafruit MLX90614 Library, Adafruit RGB LCD Shield Library, MAX6675 library, Adafruit MP3, Adafruit Keypad, Adafruit Arcada GifDecoder, Keypad, Neosegment, Encoder, Adafruit TiCoServo, Adafruit Trellis Library, FauxmoESP, Adafruit LSM303 Accel, Adafruit LSM303DLH Mag, Adafruit LSM303DLHC, CapacitiveSensor, Adafruit Zero PDM Library, Adafruit DMA neopixel library, elapsedMillis, DST RTC, Adafruit SHARP Memory Display, Adafruit SPIFlash, BSEC Software Library, WiiChuck, Adafruit DPS310, Adafruit AHTX0, RotaryEncoder, Adafruit MCP9808 Library, LSM303, Adafruit Protomatter, HID-Project, Adafruit IS31FL3741 Library, Sensirion I2C SCD4x