/* * SPDX-FileCopyrightText: 2024 M5Stack Technology CO LTD * * SPDX-License-Identifier: MIT */ /* Simple usage example (UnitCO2) If you use other units, change include files(*1), instances(*2), and get values(*3) */ #include #include #include // *1 Include the header of the unit to be used m5::unit::UnitUnified Units; m5::unit::UnitCO2 unit; // *2 Instance of the unit void setup() { M5.begin(); auto pin_num_sda = M5.getPin(m5::pin_name_t::port_a_sda); auto pin_num_scl = M5.getPin(m5::pin_name_t::port_a_scl); M5_LOGI("getPin: SDA:%u SCL:%u", pin_num_sda, pin_num_scl); Wire.begin(pin_num_sda, pin_num_scl, 400 * 1000U); M5.Display.clear(TFT_DARKGREEN); if (!Units.add(unit, Wire) // Add unit to UnitUnified manager || !Units.begin()) { // Begin each unit M5_LOGE("Failed to add/begin"); M5.Display.clear(TFT_RED); } } void loop() { M5.update(); Units.update(); if (unit.updated()) { // *3 Obtaining unit-specific measurements M5_LOGI("CO2:%u Temp:%f Hum:%f", unit.co2(), unit.temperature(), unit.humidity()); } }