/** * * @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_PedometerExample.ino * @author Lewis He (lewishe@outlook.com) * @date 2024-09-26 * */ #include #include #include #include "SensorQMI8658.hpp" #ifdef ARDUINO_T_BEAM_S3_SUPREME #include //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 #endif /* USE_I2C*/ #ifndef IMU_CS #define IMU_CS 34 // IMU CS PIN #endif #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 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 setFlag(void) { interruptFlag = true; } void pedometerEvent() { uint32_t val = qmi.getPedometerCounter(); Serial.print("Detected Pedometer event : "); Serial.println(val); } 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); // Equipped with acceleration sensor, 2G, ORR62.5HZ qmi.configAccelerometer(SensorQMI8658::ACC_RANGE_2G, SensorQMI8658::ACC_ODR_62_5Hz); // Enable the accelerometer qmi.enableAccelerometer(); //* Indicates the count of sample batch/window for calculation uint16_t ped_sample_cnt = 50; //50 samples //* Indicates the threshold of the valid peak-to-peak detection uint16_t ped_fix_peak2peak = 200; //200mg //* Indicates the threshold of the peak detection comparing to average uint16_t ped_fix_peak = 100; //100mg //* Indicates the maximum duration (timeout window) for a step. //* Reset counting calculation if no peaks detected within this duration. uint16_t ped_time_up = 200; // 200 samples 4s //* Indicates the minimum duration for a step. //* The peaks detected within this duration (quiet time) is ignored. uint8_t ped_time_low = 20; //20 samples //* Indicates the minimum continuous steps to start the valid step counting. //* If the continuously detected steps is lower than this count and timeout,the steps will not be take into account; //* if yes, the detected steps will all be taken into account and counting is started to count every following step before timeout. //* This is useful to screen out the fake steps detected by non-step vibrations //* The timeout duration is defined by ped_time_up. uint8_t ped_time_cnt_entry = 10; //10 steps entry count //* Recommended 0 uint8_t ped_fix_precision = 0; //* The amount of steps when to update the pedometer output registers. uint8_t ped_sig_count = 4; //Every 4 valid steps is detected, update the registers once (added by 4). qmi.configPedometer(ped_sample_cnt, ped_fix_peak2peak, ped_fix_peak, ped_time_up, ped_time_low, ped_time_cnt_entry, ped_fix_precision, ped_sig_count); // Enable the step counter and enable the interrupt if (!qmi.enablePedometer(SensorQMI8658::INTERRUPT_PIN_1)) { Serial.println("Enable pedometer failed!"); while (1); } // Set the step counter callback function qmi.setPedometerEventCallBack(pedometerEvent); /* * 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(500); }