Niklas Jensen
111 lines
3.4 KiB
C++
111 lines
3.4 KiB
C++
#pragma once
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#include <list>
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#include <SPI.h>
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#include <Wire.h>
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#include <ArduinoJson.h>
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#include <utils/math_utils.h>
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#include <Adafruit_HMC5883_U.h>
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#include <Adafruit_Sensor.h>
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#include <peripherals/sensor.hpp>
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struct MagnetometerMsg : public SensorMessageBase {
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float rpy[3] {0, 0, 0};
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float heading {-1};
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void toJson(JsonVariant v) const override {
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JsonArray arr = v.to<JsonArray>();
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arr.add(rpy[0]);
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arr.add(rpy[1]);
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arr.add(rpy[2]);
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arr.add(heading);
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arr.add(success);
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}
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void fromJson(JsonVariantConst v) override {
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JsonArrayConst arr = v.as<JsonArrayConst>();
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rpy[0] = arr[0] | 0.0f;
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rpy[1] = arr[1] | 0.0f;
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rpy[2] = arr[2] | 0.0f;
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heading = arr[3] | -1.0f;
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success = arr[4] | false;
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}
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friend void toJson(JsonVariant v, MagnetometerMsg const& a) { a.toJson(v); }
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};
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class Magnetometer : public SensorBase<MagnetometerMsg> {
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public:
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bool initialize(void* _arg) override {
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#if FT_ENABLED(USE_ICM20948)
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#if USE_ICM20948_SPIMODE > 0
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_mag = (ICM_20948_SPI*)_arg;
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if (true || !_mag->isConnected()) { _mag->begin(CS_PIN, SPI_PORT); ESP_LOGI("Magnetometer", "Beginning ICM20948 in SPI mode"); }
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#else
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_mag = (ICM_20948_I2C*)_arg;
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if (true || !_mag->isConnected()) { _mag->begin(Wire, 1, 0xFF); ESP_LOGI("Magnetometer", "Beginning ICM20948 in I2C mode"); }
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#endif
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if (_mag->status != ICM_20948_Stat_Ok){ return false; }
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_mag->startupMagnetometer();
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if (_mag->status != ICM_20948_Stat_Ok){ return false; }
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_msg.success = true;
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#elif FT_ENABLED(USE_HMC5883)
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_msg.success = _mag.begin();
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#endif
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return _msg.success;
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}
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bool update() override {
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if (!_msg.success) return false;
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#if FT_ENABLED(USE_ICM20948)
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_mag->getAGMT();
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if (_mag->status != ICM_20948_Stat_Ok){ return false; }
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_msg.rpy[0] = _mag->magX();
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_msg.rpy[1] = _mag->magY();
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_msg.rpy[2] = _mag->magZ();
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#elif FT_ENABLED(USE_HMC5883)
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sensors_event_t event;
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bool updated = _mag.getEvent(&event);
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if (!updated) return false;
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_msg.rpy[0] = event.magnetic.x;
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_msg.rpy[1] = event.magnetic.y;
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_msg.rpy[2] = event.magnetic.z;
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#endif
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_msg.heading = atan2(_msg.rpy[1], _msg.rpy[0]); // atan2(y, x)
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_msg.heading += declinationAngle;
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if (_msg.heading < 0) _msg.heading += 2 * PI;
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if (_msg.heading > 2 * PI) _msg.heading -= 2 * PI;
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_msg.heading *= 180 / M_PI;
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return true;
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}
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float getMagX() { return _msg.rpy[0]; }
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float getMagY() { return _msg.rpy[1]; }
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float getMagZ() { return _msg.rpy[2]; }
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float getHeading() { return _msg.heading; }
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private:
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#if FT_ENABLED(USE_ICM20948)
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#if FT_ENABLED(USE_ICM20948_SPIMODE) > 0
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#define SPI_PORT SPI // TODO in periphearals_seetings.h
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#define CS_PIN 2
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ICM_20948_SPI* _mag;
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#else
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//#define WIRE_PORT Wire
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ICM_20948_I2C* _mag;
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#endif
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#elif FT_ENABLED(USE_HMC5883)
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Adafruit_HMC5883_Unified _mag {12345};
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#endif
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const float declinationAngle = 0.22;
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}; |