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GOB
101 lines
3.8 KiB
C++
101 lines
3.8 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 UnitENVPro
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*/
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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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#include <M5HAL.hpp> // For NessoN1
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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::UnitENVPro 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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M5.setTouchButtonHeightByRatio(100);
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// The screen shall be in landscape mode
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if (lcd.height() > lcd.width()) {
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lcd.setRotation(1);
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}
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auto board = M5.getBoard();
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// NessoN1: Arduino Wire (I2C_NUM_0) cannot be used for GROVE port.
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// Wire is used by M5Unified In_I2C for internal devices (IOExpander etc.).
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// Solution: Use SoftwareI2C via M5HAL (bit-banging) for the GROVE port.
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// NanoC6: Wire.begin() on GROVE pins conflicts with m5::I2C_Class registered by Ex_I2C.setPort()
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// on the same I2C_NUM_0, causing sporadic NACK errors.
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// Solution: Use M5.Ex_I2C (m5::I2C_Class) directly instead of Arduino Wire.
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bool unit_ready{};
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if (board == m5::board_t::board_ArduinoNessoN1) {
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// NessoN1: GROVE is on port_b (GPIO 5/4), not port_a (which maps to Wire pins 8/10)
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auto pin_num_sda = M5.getPin(m5::pin_name_t::port_b_out);
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auto pin_num_scl = M5.getPin(m5::pin_name_t::port_b_in);
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M5_LOGI("getPin(M5HAL): SDA:%u SCL:%u", pin_num_sda, pin_num_scl);
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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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M5_LOGI("Bus:%d", i2c_bus.has_value());
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unit_ready = Units.add(unit, i2c_bus ? i2c_bus.value() : nullptr) && Units.begin();
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} else if (board == m5::board_t::board_M5NanoC6) {
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// NanoC6: Use M5.Ex_I2C (m5::I2C_Class, not Arduino Wire)
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M5_LOGI("Using M5.Ex_I2C");
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unit_ready = Units.add(unit, M5.Ex_I2C) && Units.begin();
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} else {
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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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Wire.end();
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Wire.begin(pin_num_sda, pin_num_scl, 400 * 1000U);
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unit_ready = Units.add(unit, Wire) && Units.begin();
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}
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if (!unit_ready) {
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M5_LOGE("Failed to begin");
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lcd.fillScreen(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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M5_LOGI("M5UnitUnified has been begun");
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M5_LOGI("%s", Units.debugInfo().c_str());
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lcd.fillScreen(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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#if defined(UNIT_BME688_USING_BSEC2)
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M5.Log.printf(">IAQ:%.2f\n>Temperature:%.2f\n>Pressure:%.2f\n>Humidity:%.2f\n>GAS:%.2f\n", unit.iaq(),
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unit.temperature(), unit.pressure(), unit.humidity(), unit.gas());
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lcd.startWrite();
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lcd.fillRect(0, 0, lcd.width(), lcd.fontHeight() * 5, TFT_BLACK);
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lcd.setCursor(0, 0);
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lcd.printf("IAQ:%.2f\nTemperature:%.2f\nPressure:%.2f\nHumidity:%.2f\nGAS:%.2f", unit.iaq(), unit.temperature(),
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unit.pressure(), unit.humidity(), unit.gas());
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lcd.endWrite();
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#else
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M5.Log.printf(">Temperature:%.2f\n>Pressure:%.2f\n>Humidity:%.2f\n>GAS:%.2f\n", unit.temperature(),
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unit.pressure(), unit.humidity(), unit.gas());
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lcd.startWrite();
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lcd.fillRect(0, 0, lcd.width(), lcd.fontHeight() * 4, TFT_BLACK);
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lcd.setCursor(0, 0);
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lcd.printf("Temperature:%.2f\nPressure:%.2f\nHumidity:%.2f\nGAS:%.2f", unit.temperature(), unit.pressure(),
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unit.humidity(), unit.gas());
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lcd.endWrite();
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// m5::utility::delay(1000);
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#endif
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}
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}
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