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GOB
110 lines
3.1 KiB
C++
110 lines
3.1 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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#include <utility/heart_rate.hpp>
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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 unitHeart;
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m5::max30100::HeartRate heartRate(100 /*sample rate*/);
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} // namespace
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void setup()
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{
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m5::utility::delay(1500);
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M5.begin();
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// Another settings
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if (0) {
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auto cfg = unitHeart.config();
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cfg.sample_rate = m5::unit::max30100::Sample::Rate400;
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cfg.pulse_width = m5::unit::max30100::LedPulseWidth::PW400;
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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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heartRate.setSampleRate(m5::max30100::HeartRate::getSampleRate(cfg.sample_rate));
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// heartRate.setThreshold(25.0f); // depends on ir/redCurrent
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// cfg.mode = m5::unit::max30100::Mode::HROnly;
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unitHeart.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(unitHeart, 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(unitHeart, 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 (unitHeart.updated()) {
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while (unitHeart.available()) {
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M5_LOGI("\n>IR:%u\n>RED:%u", unitHeart.ir(), unitHeart.red());
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bool beat = heartRate.push_back((float)unitHeart.ir(), (float)unitHeart.red());
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if (beat) {
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M5_LOGI("Beat!");
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}
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unitHeart.discard();
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}
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auto bpm = heartRate.calculate();
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M5_LOGW("\n>HRR:%f\n>SpO2:%f", bpm, heartRate.SpO2());
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}
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// buffer clear and measure tempeature
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if (M5.BtnA.wasClicked()) {
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heartRate.clear();
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m5::unit::max30100::TemperatureData td{};
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if (unitHeart.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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