/** * * @license MIT License * * Copyright (c) 2022 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_InterruptBlockExample.ino * @author Lewis He (lewishe@outlook.com) * @date 2022-10-16 * */ #include #include #include #ifdef ARDUINO_ARCH_ESP32 #include "SensorQMI8658.hpp" #include //MadgwickAHRS from https://github.com/arduino-libraries/MadgwickAHRS #include "SH1106Wire.h" //Oled display from https://github.com/ThingPulse/esp8266-oled-ssd1306 #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 SH1106Wire display(0x3c, OLED_SDA, OLED_SCL); SensorQMI8658 qmi; IMUdata acc; IMUdata gyr; Madgwick filter; unsigned long microsPerReading, microsPrevious; float posX = 64; float posY = 32; float lastPosX = posX; float lastPosY = posY; 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 setup() { Serial.begin(115200); while (!Serial); beginPower(); display.init(); display.flipScreenVertically(); 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); qmi.configAccelerometer( /* * ACC_RANGE_2G * ACC_RANGE_4G * ACC_RANGE_8G * ACC_RANGE_16G * */ SensorQMI8658::ACC_RANGE_2G, /* * 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_1000Hz, /* * LPF_MODE_0 //2.66% of ODR * LPF_MODE_1 //3.63% of ODR * LPF_MODE_2 //5.39% of ODR * LPF_MODE_3 //13.37% of ODR * LPF_OFF // OFF Low-Pass Fitter * */ SensorQMI8658::LPF_MODE_0); qmi.configGyroscope( /* * GYR_RANGE_16DPS * GYR_RANGE_32DPS * GYR_RANGE_64DPS * GYR_RANGE_128DPS * GYR_RANGE_256DPS * GYR_RANGE_512DPS * GYR_RANGE_1024DPS * */ SensorQMI8658::GYR_RANGE_64DPS, /* * GYR_ODR_7174_4Hz * GYR_ODR_3587_2Hz * GYR_ODR_1793_6Hz * GYR_ODR_896_8Hz * GYR_ODR_448_4Hz * GYR_ODR_224_2Hz * GYR_ODR_112_1Hz * GYR_ODR_56_05Hz * GYR_ODR_28_025H * */ SensorQMI8658::GYR_ODR_896_8Hz, /* * LPF_MODE_0 //2.66% of ODR * LPF_MODE_1 //3.63% of ODR * LPF_MODE_2 //5.39% of ODR * LPF_MODE_3 //13.37% of ODR * LPF_OFF // OFF Low-Pass Fitter * */ SensorQMI8658::LPF_MODE_3); /* * If both the accelerometer and gyroscope sensors are turned on at the same time, * the output frequency will be based on the gyroscope output frequency. * The example configuration is 896.8HZ output frequency, * so the acceleration output frequency is also limited to 896.8HZ * */ qmi.enableGyroscope(); qmi.enableAccelerometer(); pinMode(IMU_IRQ, INPUT); // qmi.enableINT(SensorQMI8658::INTERRUPT_PIN_1); //no use // Enable data ready to interrupt pin2 qmi.enableINT(SensorQMI8658::INTERRUPT_PIN_2); qmi.enableDataReadyINT(); // Print register configuration information qmi.dumpCtrlRegister(); // start filter filter.begin(25); // initialize variables to pace updates to correct rate microsPerReading = 1000000 / 25; microsPrevious = micros(); Serial.println("Read data now..."); } const uint8_t rectWidth = 10; void loop() { float roll, pitch, heading; // check if it's time to read data and update the filter if (micros() - microsPrevious >= microsPerReading) { // read raw data from IMU if (digitalRead(IMU_IRQ) == HIGH) { qmi.getAccelerometer(acc.x, acc.y, acc.z); qmi.getGyroscope(gyr.x, gyr.y, gyr.z); // update the filter, which computes orientation filter.updateIMU(gyr.x, gyr.y, gyr.z, acc.x, acc.y, acc.z); // print the heading, pitch and roll roll = filter.getRoll(); pitch = filter.getPitch(); heading = filter.getYaw(); posX -= roll * 2; posY += pitch; posX = constrain(posX, 0, display.width() - rectWidth); posY = constrain(posY, 0, display.height() - rectWidth); display.setColor(BLACK); display.fillRect(lastPosX, lastPosY, 10, 10); display.setColor(WHITE); display.fillRect(posX, posY, 10, 10); display.display(); lastPosX = posX; lastPosY = posY; } // increment previous time, so we keep proper pace microsPrevious = microsPrevious + microsPerReading; } } #else void setup() { Serial.begin(115200); } void loop() { Serial.println("The graphics library may not support your esp32 platform"); delay(1000); } #endif