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caternusoncaternuson
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add code for trinkey enviro gadget
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‎Trinkey_QT2040_Enviro_Gadget/arduino/.test.only.qt2040_trinkey‎

Whitespace-only changes.

‎Trinkey_QT2040_Enviro_Gadget/arduino/trinkey_qt2040_enviro/trinkey_qt2040_enviro.ino‎

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

‎Trinkey_QT2040_Enviro_Gadget/circuitpython/boot.py‎

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import usb_cdc
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usb_cdc.enable(data=True)

‎Trinkey_QT2040_Enviro_Gadget/circuitpython/enviromon.py‎

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

‎Trinkey_QT2040_Enviro_Gadget/python/read_csv.py‎

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

‎Trinkey_QT2040_Enviro_Gadget/python/read_json.py‎

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

‎Trinkey_QT2040_Enviro_Gadget/u2if/enviro_u2if.py‎

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

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