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authorLeon Lindenfelser <llindenfelser@multitech.com>2015-12-03 16:52:15 -0600
committerLeon Lindenfelser <llindenfelser@multitech.com>2015-12-03 16:52:15 -0600
commit55769015f0d4ca6e47200e514b35f13fd77d53a9 (patch)
tree2dd4a1c99922fa65b05b153e2affbb7b2d111aa0 /SensorHandler
parent965622efb5fa3bcb4a1c42aa55a5eda101b99370 (diff)
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Moved SensorHandler out of the lib directory and into the root directory of the project.
Diffstat (limited to 'SensorHandler')
-rw-r--r--SensorHandler/SensorHandler.cpp118
-rw-r--r--SensorHandler/SensorHandler.h48
2 files changed, 166 insertions, 0 deletions
diff --git a/SensorHandler/SensorHandler.cpp b/SensorHandler/SensorHandler.cpp
new file mode 100644
index 0000000..6b25f7e
--- /dev/null
+++ b/SensorHandler/SensorHandler.cpp
@@ -0,0 +1,118 @@
+/**
+ * @file SensorHandler.cpp
+ * @brief Reads on board sensors... acceleration, pressure, light and temperture.
+ * @author Leon Lindenfelser
+ * @version 1.0
+ *
+ */
+
+#include "SensorHandler.h"
+
+SensorHandler::SensorHandler()
+ : _getSensorThread(&SensorHandler::startSensorThread,this),
+ _mDoti2c(PC_9,PA_8),
+ _accelerometer(_mDoti2c,MMA845x::SA0_VSS),
+ _barometricSensor(_mDoti2c),
+ _lightSensor(_mDoti2c)
+{
+ _getSensorThread.signal_set(START_THREAD);
+ return;
+}
+
+SensorHandler::~SensorHandler(void)
+{
+ _getSensorThread.terminate();
+}
+
+void SensorHandler::initSensors(){
+ // Setup the Accelerometer for 8g range, 14 bit resolution, Noise reduction off, sample rate 1.56 Hz
+ // normal oversample mode, High pass filter off
+ _accelerometer.setCommonParameters(MMA845x::RANGE_8g,MMA845x::RES_MAX,MMA845x::LN_OFF,
+ MMA845x::DR_1_56,MMA845x::OS_NORMAL,MMA845x::HPF_OFF );
+
+ // Setup the Barometric sensor for post processed Ambient pressure, 4 samples per data acquisition.
+ //and a sample taken every second when in active mode
+ _barometricSensor.setParameters(MPL3115A2::DATA_NORMAL, MPL3115A2::DM_BAROMETER, MPL3115A2::OR_16,
+ MPL3115A2::AT_1);
+ // Setup the Ambient Light Sensor for continuous Ambient Light Sensing, 16 bit resolution,
+ // and 16000 lux range
+ _lightSensor.setMode(ISL29011::ALS_CONT);
+ _lightSensor.setResolution(ISL29011::ADC_16BIT);
+ _lightSensor.setRange(ISL29011::RNG_16000);
+
+ // Set the accelerometer for active mode
+ _accelerometer.activeMode();
+
+ // Clear the min-max registers in the Barometric Sensor
+ _barometricSensor.clearMinMaxRegs();
+}
+
+void SensorHandler::startSensorThread(void const *p)
+{
+ SensorHandler *instance = (SensorHandler*)p;
+ instance->readSensors();
+}
+
+void SensorHandler::readSensors()
+{
+ uint8_t result;
+ _getSensorThread.signal_wait(START_THREAD);
+ while(1){
+ // Test Accelerometer XYZ data ready bit to see if acquisition complete
+ do {
+ osDelay(100); // allows other threads to process
+ result = _accelerometer.getStatus();
+ } while ((result & MMA845x::XYZDR) == 0 );
+
+ // Retrieve accelerometer data
+ _accelerometerData = _accelerometer.getXYZ();
+
+ // Trigger a Pressure reading
+ _barometricSensor.setParameters(MPL3115A2::DATA_NORMAL, MPL3115A2::DM_BAROMETER, MPL3115A2::OR_16,
+ MPL3115A2::AT_1);
+ _barometricSensor.triggerOneShot();
+
+ // Test barometer device status to see if acquisition is complete
+ do {
+ osDelay(100); // allows other threads to process
+ result = _barometricSensor.getStatus();
+ } while ((result & MPL3115A2::PTDR) == 0 );
+
+ // Retrieve barometric pressure
+ _pressure = _barometricSensor.getBaroData() >> 12; // convert 32 bit signed to 20 bit unsigned value
+
+ // Trigger a Altitude reading
+ _barometricSensor.setParameters(MPL3115A2::DATA_NORMAL, MPL3115A2::DM_ALTIMETER, MPL3115A2::OR_16,
+ MPL3115A2::AT_1);
+ _barometricSensor.triggerOneShot();
+
+ // Test barometer device status to see if acquisition is complete
+ do {
+ osDelay(100); // allows other threads to process
+ result = _barometricSensor.getStatus();
+ } while ((result & MPL3115A2::PTDR) == 0 );
+
+ // Retrieve temperature
+ _barometerData = _barometricSensor.getAllData(false);
+
+ // Retrieve light level
+ _light = _lightSensor.getData();
+ }
+}
+
+MMA845x_DATA SensorHandler::getAcceleration(){
+ return _accelerometerData;
+}
+
+uint16_t SensorHandler::getLight(){
+ return _light;
+}
+
+uint32_t SensorHandler::getPressure(){
+ return _pressure;
+}
+
+MPL3115A2_DATA SensorHandler::getBarometer(){
+ return _barometerData;
+}
+
diff --git a/SensorHandler/SensorHandler.h b/SensorHandler/SensorHandler.h
new file mode 100644
index 0000000..73f9c0f
--- /dev/null
+++ b/SensorHandler/SensorHandler.h
@@ -0,0 +1,48 @@
+/**
+ * @file SensorHandler.h
+ * @brief Reads on board sensors... acceleration, pressure, light and temperture.
+ * @author Leon Lindenfelser
+ * @version 1.0
+ *
+ */
+
+#ifndef SENSORHANDLER_H
+#define SENSORHANDLER_H
+
+#include "mbed.h"
+#include "MMA845x.h"
+#include "MPL3115A2.h"
+#include "ISL29011.h"
+#include "DOGS102.h"
+#include "rtos.h"
+#include <string>
+#include <vector>
+#define START_THREAD 1
+
+class SensorHandler
+{
+public:
+ SensorHandler(void);
+ ~SensorHandler(void);
+ MMA845x_DATA getAcceleration(void);
+ uint16_t getLight(void);
+ uint32_t getPressure(void);
+ MPL3115A2_DATA getBarometer(void);
+
+
+private:
+ Thread _getSensorThread;
+ static void startSensorThread (void const *p);
+ void readSensors(void);
+ void initSensors(void);
+ I2C _mDoti2c;
+ MMA845x _accelerometer;
+ MPL3115A2 _barometricSensor;
+ ISL29011 _lightSensor;
+ MMA845x_DATA _accelerometerData;
+ MPL3115A2_DATA _barometerData;
+ uint16_t _light;
+ uint32_t _pressure;
+};
+
+#endif //SENSORHANDLER_H