mirror of
https://github.com/m5stack/M5Unit-HEART.git
synced 2026-05-20 11:28:19 -07:00
111 lines
3.2 KiB
C++
111 lines
3.2 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 UnitHEART
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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 <M5UnitUnifiedHEART.h>
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#if !defined(USING_M5HAL)
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#include <Wire.h>
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#endif
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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::UnitHEART unit;
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m5::heart::PulseMonitor monitor(100.f);
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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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// Another settings
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if (0) {
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auto cfg = unit.config();
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cfg.sampling_rate = m5::unit::max30100::Sampling::Rate200;
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cfg.pulse_width = m5::unit::max30100::LedPulseWidth::PW200;
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cfg.ir_current = m5::unit::max30100::CurrentControl::mA7_6;
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cfg.red_current = m5::unit::max30100::CurrentControl::mA7_6;
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auto sr = m5::unit::max30100::getSamplingRate(cfg.sampling_rate);
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monitor.setSamplingRate(sr);
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unit.config(cfg);
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}
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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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M5_LOGI("Bus:%d", i2c_bus.has_value());
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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.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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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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// WARNING
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// If overflow is occurring, the sampling rate should be reduced because the processing is not up to par
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if (unit.overflow()) {
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M5_LOGW("\n>OVERFLOW:%u", unit.overflow());
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}
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bool beat{};
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// MAX30100 is equipped with a FIFO, so multiple data may be stored
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while (unit.available()) {
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monitor.push_back(unit.ir(), unit.red()); // Push back the oldest data
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// M5_LOGI("\n>MIR:%f\n>MRED:%f", monitor.latestIR(), monitor.latestRED());
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monitor.update();
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beat = monitor.isBeat();
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unit.discard(); // Discard the oldest data
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}
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M5_LOGI("\n>BPM:%f\n>SpO2:%f\n>BEAT:%u", monitor.bpm(), monitor.SpO2(), beat);
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}
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// Measure tempeature
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if (M5.BtnA.wasClicked()) {
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m5::unit::max30100::TemperatureData td{};
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if (unit.measureTemperatureSingleshot(td)) {
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M5_LOGI("\n>Temp:%f", td.celsius());
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}
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}
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}
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