meshtastic-firmware/src/motion/BMX160Sensor.cpp

104 wiersze
3.3 KiB
C++
Executable File

#include "BMX160Sensor.h"
#if !defined(ARCH_PORTDUINO) && !defined(ARCH_STM32WL) && !MESHTASTIC_EXCLUDE_I2C
BMX160Sensor::BMX160Sensor(ScanI2C::FoundDevice foundDevice) : MotionSensor::MotionSensor(foundDevice) {}
#ifdef RAK_4631
#if !defined(MESHTASTIC_EXCLUDE_SCREEN)
// screen is defined in main.cpp
extern graphics::Screen *screen;
#endif
bool BMX160Sensor::init()
{
if (sensor.begin()) {
// set output data rate
sensor.ODR_Config(BMX160_ACCEL_ODR_100HZ, BMX160_GYRO_ODR_100HZ);
LOG_DEBUG("BMX160Sensor::init ok\n");
return true;
}
LOG_DEBUG("BMX160Sensor::init failed\n");
return false;
}
int32_t BMX160Sensor::runOnce()
{
sBmx160SensorData_t magAccel;
sBmx160SensorData_t gAccel;
/* Get a new sensor event */
sensor.getAllData(&magAccel, NULL, &gAccel);
#if !defined(MESHTASTIC_EXCLUDE_SCREEN)
// experimental calibrate routine. Limited to between 10 and 30 seconds after boot
if (millis() > 12 * 1000 && millis() < 30 * 1000) {
if (!showingScreen) {
showingScreen = true;
screen->startAlert((FrameCallback)drawFrameCalibration);
}
if (magAccel.x > highestX)
highestX = magAccel.x;
if (magAccel.x < lowestX)
lowestX = magAccel.x;
if (magAccel.y > highestY)
highestY = magAccel.y;
if (magAccel.y < lowestY)
lowestY = magAccel.y;
if (magAccel.z > highestZ)
highestZ = magAccel.z;
if (magAccel.z < lowestZ)
lowestZ = magAccel.z;
} else if (showingScreen && millis() >= 30 * 1000) {
showingScreen = false;
screen->endAlert();
}
int highestRealX = highestX - (highestX + lowestX) / 2;
magAccel.x -= (highestX + lowestX) / 2;
magAccel.y -= (highestY + lowestY) / 2;
magAccel.z -= (highestZ + lowestZ) / 2;
FusionVector ga, ma;
ga.axis.x = -gAccel.x; // default location for the BMX160 is on the rear of the board
ga.axis.y = -gAccel.y;
ga.axis.z = gAccel.z;
ma.axis.x = -magAccel.x;
ma.axis.y = -magAccel.y;
ma.axis.z = magAccel.z * 3;
// If we're set to one of the inverted positions
if (config.display.compass_orientation > meshtastic_Config_DisplayConfig_CompassOrientation_DEGREES_270) {
ma = FusionAxesSwap(ma, FusionAxesAlignmentNXNYPZ);
ga = FusionAxesSwap(ga, FusionAxesAlignmentNXNYPZ);
}
float heading = FusionCompassCalculateHeading(FusionConventionNed, ga, ma);
switch (config.display.compass_orientation) {
case meshtastic_Config_DisplayConfig_CompassOrientation_DEGREES_0_INVERTED:
case meshtastic_Config_DisplayConfig_CompassOrientation_DEGREES_0:
break;
case meshtastic_Config_DisplayConfig_CompassOrientation_DEGREES_90:
case meshtastic_Config_DisplayConfig_CompassOrientation_DEGREES_90_INVERTED:
heading += 90;
break;
case meshtastic_Config_DisplayConfig_CompassOrientation_DEGREES_180:
case meshtastic_Config_DisplayConfig_CompassOrientation_DEGREES_180_INVERTED:
heading += 180;
break;
case meshtastic_Config_DisplayConfig_CompassOrientation_DEGREES_270:
case meshtastic_Config_DisplayConfig_CompassOrientation_DEGREES_270_INVERTED:
heading += 270;
break;
}
screen->setHeading(heading);
#endif
return MOTION_SENSOR_CHECK_INTERVAL_MS;
}
#endif
#endif