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/**
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*
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* @license MIT License
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*
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* Copyright (c) 2024 lewis he
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* @file QMI8658_TapDetectionExample.ino
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* @author Lewis He (lewishe@outlook.com)
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* @date 2024-09-26
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*
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*/
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#include <Arduino.h>
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#include <Wire.h>
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#include <SPI.h>
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#include "SensorQMI8658.hpp"
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#ifdef ARDUINO_T_BEAM_S3_SUPREME
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#include <XPowersAXP2101.tpp> //PMU Library https://github.com/lewisxhe/XPowersLib.git
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#endif
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// #define USE_I2C //Using the I2C interface
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#ifdef USE_I2C
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#ifndef SENSOR_SDA
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#define SENSOR_SDA 17
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#endif
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#ifndef SENSOR_SCL
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#define SENSOR_SCL 18
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#endif
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#else /* SPI interface */
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#ifndef SPI_MOSI
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#define SPI_MOSI (35)
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#endif
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#ifndef SPI_SCK
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#define SPI_SCK (36)
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#endif
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#ifndef SPI_MISO
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#define SPI_MISO (37)
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#endif
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#ifndef IMU_CS
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#define IMU_CS 34 // IMU CS PIN
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#endif
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#endif /* USE_I2C*/
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#ifndef IMU_IRQ
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#define IMU_IRQ 33 // IMU INT PIN
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#endif
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#ifndef OLED_SDA
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#define OLED_SDA 22 // Display Wire SDA Pin
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#endif
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#ifndef OLED_SCL
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#define OLED_SCL 21 // Display Wire SCL Pin
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#endif
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SensorQMI8658 qmi;
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bool interruptFlag = false;
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void setFlag(void)
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{
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interruptFlag = true;
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}
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void beginPower()
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{
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// T_BEAM_S3_SUPREME The PMU voltage needs to be turned on to use the sensor
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#if defined(ARDUINO_T_BEAM_S3_SUPREME)
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XPowersAXP2101 power;
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power.begin(Wire1, AXP2101_SLAVE_ADDRESS, 42, 41);
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power.disableALDO1();
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power.disableALDO2();
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delay(250);
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power.setALDO1Voltage(3300); power.enableALDO1();
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power.setALDO2Voltage(3300); power.enableALDO2();
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#endif
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}
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void tapEventCallback()
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{
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SensorQMI8658::TapEvent event = qmi.getTapStatus();
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switch (event) {
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case SensorQMI8658::SINGLE_TAP:
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Serial.println("Single-TAP");
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break;
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case SensorQMI8658::DOUBLE_TAP:
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Serial.println("Double-TAP");
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break;
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default:
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break;
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}
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}
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void setup()
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{
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Serial.begin(115200);
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while (!Serial);
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beginPower();
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bool ret = false;
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#ifdef USE_I2C
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ret = qmi.begin(Wire, QMI8658_L_SLAVE_ADDRESS, SENSOR_SDA, SENSOR_SCL);
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#else
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#if defined(SPI_MOSI) && defined(SPI_SCK) && defined(SPI_MISO)
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ret = qmi.begin(SPI, IMU_CS, SPI_MOSI, SPI_MISO, SPI_SCK);
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#else
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ret = qmi.begin(SPI, IMU_CS);
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#endif
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#endif
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if (!ret) {
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Serial.println("Failed to find QMI8658 - check your wiring!");
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while (1) {
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delay(1000);
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}
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}
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/* Get chip id*/
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Serial.print("Device ID:");
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Serial.println(qmi.getChipID(), HEX);
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//** The recommended output data rate for detection is higher than 500HZ
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qmi.configAccelerometer(
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/*
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* ACC_RANGE_2G
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* ACC_RANGE_4G
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* ACC_RANGE_8G
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* ACC_RANGE_16G
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* */
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SensorQMI8658::ACC_RANGE_4G,
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/*
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* ACC_ODR_1000H
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* ACC_ODR_500Hz
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* ACC_ODR_250Hz
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* ACC_ODR_125Hz
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* ACC_ODR_62_5Hz
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* ACC_ODR_31_25Hz
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* ACC_ODR_LOWPOWER_128Hz
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* ACC_ODR_LOWPOWER_21Hz
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* ACC_ODR_LOWPOWER_11Hz
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* ACC_ODR_LOWPOWER_3H
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* */
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SensorQMI8658::ACC_ODR_500Hz);
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// Enable the accelerometer
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qmi.enableAccelerometer();
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//* Priority definition between the x, y, z axes of acceleration.
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uint8_t priority = SensorQMI8658::PRIORITY0; //(X > Y> Z)
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//* Defines the maximum duration (in sample) for a valid peak.
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//* In a valid peak, the linear acceleration should reach or be higher than the PeakMagThr
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//* and should return to quiet (no significant movement) within UDMThr, at the end of PeakWindow.
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uint8_t peakWindow = 20; //20 @500Hz ODR
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//* Defines the minimum quiet time before the second Tap happen.
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//* After the first Tap is detected, there should be no significant movement (defined by UDMThr) during the TapWindow.
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//* The valid second tap should be detected after TapWindow and before DTapWindow.
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uint16_t tapWindow = 50; //50 @500Hz ODR
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//* Defines the maximum time for a valid second Tap for Double Tap,
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//* count start from the first peak of the valid first Tap.
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uint16_t dTapWindow = 250; //250 @500Hz ODR
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//* Defines the ratio for calculating the average of the movement
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//* magnitude. The bigger of Gamma, the bigger weight of the latest data.
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float alpha = 0.0625;
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//* Defines the ratio for calculating the average of the movement
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//* magnitude. The bigger of Gamma, the bigger weight of the latest data.
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float gamma = 0.25;
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//* Threshold for peak detection.
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float peakMagThr = 0.8; //0.8g square
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//* Undefined Motion threshold. This defines the threshold of the
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//* Linear Acceleration for quiet status.
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float UDMTh = 0.4; //0.4g square
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qmi.configTap(priority, peakWindow, tapWindow,
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dTapWindow, alpha, gamma, peakMagThr, UDMTh);
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// Enable the Tap Detection and enable the interrupt
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qmi.enableTap(SensorQMI8658::INTERRUPT_PIN_1);
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// Set the Tap Detection callback function
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qmi.setTapEventCallBack(tapEventCallback);
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/*
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* When the QMI8658 is configured as Wom, the interrupt level is arbitrary,
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* not absolute high or low, and it is in the jump transition state
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*/
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attachInterrupt(IMU_IRQ, setFlag, CHANGE);
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}
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void loop()
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{
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if (interruptFlag) {
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interruptFlag = false;
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qmi.update();
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}
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delay(50);
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}
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