99 lines
2.7 KiB
C++
99 lines
2.7 KiB
C++
/*
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* SPDX-FileCopyrightText: 2024 M5Stack Technology CO LTD
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*
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* SPDX-License-Identifier: MIT
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*/
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/*
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Example using M5UnitUnified for UnitCO2
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*/
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// #define USING_M5HAL // When using M5HAL
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#include <M5Unified.h>
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#include <M5UnitUnified.h>
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#include <M5UnitUnifiedENV.h>
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namespace {
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auto& lcd = M5.Display;
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m5::unit::UnitUnified Units;
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m5::unit::UnitCO2 unit;
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} // namespace
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void setup()
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{
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M5.begin();
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auto pin_num_sda = M5.getPin(m5::pin_name_t::port_a_sda);
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auto pin_num_scl = M5.getPin(m5::pin_name_t::port_a_scl);
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M5_LOGI("getPin: SDA:%u SCL:%u", pin_num_sda, pin_num_scl);
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#if defined(USING_M5HAL)
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#pragma message "Using M5HAL"
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// Using M5HAL
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m5::hal::bus::I2CBusConfig i2c_cfg;
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i2c_cfg.pin_sda = m5::hal::gpio::getPin(pin_num_sda);
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i2c_cfg.pin_scl = m5::hal::gpio::getPin(pin_num_scl);
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auto i2c_bus = m5::hal::bus::i2c::getBus(i2c_cfg);
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if (!Units.add(unit, i2c_bus ? i2c_bus.value() : nullptr) || !Units.begin()) {
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M5_LOGE("Failed to begin");
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lcd.clear(TFT_RED);
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while (true) {
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m5::utility::delay(10000);
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}
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}
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#else
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#pragma message "Using Wire"
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// Using TwoWire
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Wire.end();
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Wire.begin(pin_num_sda, pin_num_scl, 400000U);
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if (!Units.add(unit, Wire) || !Units.begin()) {
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M5_LOGE("Failed to begin");
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lcd.clear(TFT_RED);
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while (true) {
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m5::utility::delay(10000);
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}
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}
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#endif
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M5_LOGI("M5UnitUnified has been begun");
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M5_LOGI("%s", Units.debugInfo().c_str());
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{
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auto ret = unit.stopPeriodicMeasurement();
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float offset{};
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ret &= unit.readTemperatureOffset(offset);
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uint16_t altitude{};
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ret &= unit.readSensorAltitude(altitude);
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uint16_t pressure{};
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ret &= unit.readAmbientPressure(pressure);
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bool asc{};
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ret &= unit.readAutomaticSelfCalibrationEnabled(asc);
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uint16_t ppm{};
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ret &= unit.readAutomaticSelfCalibrationTarget(ppm);
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ret &= unit.startPeriodicMeasurement();
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M5.Log.printf(
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" temp offset:%f\n"
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" sensor altitude:%u\n"
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"ambient pressure:%u\n"
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" ASC enabled:%u\n"
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" ASC target:%u\n",
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offset, altitude, pressure, asc, ppm);
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if (!ret) {
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lcd.clear(TFT_RED);
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while (true) {
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m5::utility::delay(10000);
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}
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}
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}
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lcd.clear(TFT_DARKGREEN);
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}
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void loop()
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{
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M5.update();
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Units.update();
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if (unit.updated()) {
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// Can be checked e.g. by serial plotters
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M5.Log.printf(">CO2:%u\n>Temperature:%2.2f\n>Humidity:%2.2f\n", unit.co2(), unit.temperature(),
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unit.humidity());
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}
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}
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