2025-03-21 09:59:09 +01:00

227 lines
6.3 KiB
C++

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