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-rw-r--r--src/sensorAltimeter.cpp115
1 files changed, 0 insertions, 115 deletions
diff --git a/src/sensorAltimeter.cpp b/src/sensorAltimeter.cpp
deleted file mode 100644
index 8ec065d..0000000
--- a/src/sensorAltimeter.cpp
+++ /dev/null
@@ -1,115 +0,0 @@
-#include "sensorAltimeter.hpp"
-
-AltimeterSensor::AltimeterSensor(std::string I2C_FILE_in) {
- I2C_FILE = I2C_FILE_in;
- deviceAddress = 0x60;
-}
-
-//Startup routine copied from Adafruit library, as is most of the data getting methods
-//Adaptation is largely editing for readability and porting from Adafruit_I2C to BBB I2C (sensorI2C.hpp implementation)
-bool AltimeterSensor::init() {
-
- // Vehicle *vehicle = (Vehicle *) data;
- // // Do Stuff
- // data = (void*) vehicle;
-
- //Pass file string from parent to setup function, actual I2C bus gets stored internally.
- setupI2C(I2C_FILE);
-
- // Check a register with a hard-coded value to see if comms are working
- uint8_t whoami = readSingleRegister(MPL3115A2_WHOAMI);
- if (whoami != 0xC4) {
- fprintf(stderr, "MPL INITIALIZATION DID NOT PASS WHOAMI DEVICE CHECK!, got: %X, expected: 0xC4\n", whoami);
- return false;
- }
-
- //Send device dedicated reset byte to CTRL1 Register
- writeRegister(MPL3115A2_CTRL_REG1, MPL3115A2_CTRL_REG1_RST);
- //Wait for reset to wipe its way through device and reset appropriate bit of CTRL1 Register
- while (readSingleRegister(MPL3115A2_CTRL_REG1) & MPL3115A2_CTRL_REG1_RST);
-
- //Set oversampling (?) and altitude mode by default
- currentMode = MPL3115A2_ALTIMETER;
- ctrl_reg1.reg = MPL3115A2_CTRL_REG1_OS128 | MPL3115A2_CTRL_REG1_ALT;
- writeRegister(MPL3115A2_CTRL_REG1, ctrl_reg1.reg);
-
- //Configure data return types, I don't really understand this chunk but Adafruit does it this way so we will too I guess
- writeRegister(MPL3115A2_PT_DATA_CFG, MPL3115A2_PT_DATA_CFG_TDEFE |
- MPL3115A2_PT_DATA_CFG_PDEFE |
- MPL3115A2_PT_DATA_CFG_DREM);
-
- return true;
-}
-
-//EXPECTED THAT USER WILL NEVER SET MODE TO PRESSURE AFTER INITIAL CONFIGURATION
-void AltimeterSensor::setMode(mpl3115a2_mode_t mode) {
- ctrl_reg1.reg = readSingleRegister(MPL3115A2_CTRL_REG1);
- ctrl_reg1.bit.ALT = mode;
- writeRegister(MPL3115A2_CTRL_REG1, ctrl_reg1.reg);
- currentMode = mode;
-}
-
-double AltimeterSensor::getAltitude() {
- //Request new data reading
- requestOneShotReading();
- //If new data is available, read it and store it to internal fields
- if (isNewDataAvailable()) {
- //Logger flag here for new data?
- updateCurrentDataBuffer();
- }
- //Return internal field, whether updated or not
- return internalAltitude;
-}
-
-double AltimeterSensor::getTemperature() {
- //Request new data reading
- requestOneShotReading();
- //If new data is available, read it and store it to internal fields
- if (isNewDataAvailable()) {
- //Logger flag here for new data?
- updateCurrentDataBuffer();
- }
- //Return internal field, whether updated or not
- return internalTemperature;
-}
-
-void AltimeterSensor::requestOneShotReading() {
- //Request current status of oneshot reading
- ctrl_reg1.reg = readSingleRegister(MPL3115A2_CTRL_REG1);
- //If oneshot is complete, proc a new one; if it isn't, do nothing.
- //THIS PRODUCES DUPLICATE DATA IF READING REQUESTS FROM BB DON'T LINE UP WITH READING COMPLETION ON SENSOR.
- if (!ctrl_reg1.bit.OST) {
- // initiate one-shot measurement
- ctrl_reg1.bit.OST = 1;
- writeRegister(MPL3115A2_CTRL_REG1, ctrl_reg1.reg);
- }
-}
-
-bool AltimeterSensor::isNewDataAvailable() {
- //Returns PTDR bit of status register, 1 if new data for Temp OR Alt/Pres is available
- //There *are* registers available for exclusively temperature *or* pressure/altitude, but
- //for simplicity's sake we'll use the combined one for now.
- return ((readSingleRegister(MPL3115A2_REGISTER_STATUS) & MPL3115A2_REGISTER_STATUS_PTDR) != 0);
-}
-
-//Adafruit returns specific field based on input parameter, this method updates all internal fields at once instead
-void AltimeterSensor::updateCurrentDataBuffer() {
- uint8_t buffer[5] = {MPL3115A2_REGISTER_PRESSURE_MSB, 0, 0, 0, 0};
- readMultipleRegisters(MPL3115A2_REGISTER_PRESSURE_MSB, 5);
-
- //Pressure is no longer used, assumed rocket is only logging altitude
- // uint32_t pressure;
- // pressure = uint32_t(buffer[0]) << 16 | uint32_t(buffer[1]) << 8 |
- // uint32_t(buffer[2]);
- // return double(pressure) / 6400.0;
-
- //Altitude Conversion
- int32_t alt;
- alt = uint32_t(buffer[0]) << 24 | uint32_t(buffer[1]) << 16 |
- uint32_t(buffer[2]) << 8;
- internalAltitude = double(alt) / 65536.0;
-
- int16_t t;
- t = uint16_t(buffer[3]) << 8 | uint16_t(buffer[4]);
- internalTemperature = double(t) / 256.0;
-}