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authorLeon Lindenfelser <llindenfelser@multitech.com>2015-12-08 16:17:13 -0600
committerLeon Lindenfelser <llindenfelser@multitech.com>2015-12-08 16:17:13 -0600
commitcbcf16a4dafeb8c1e2120c3cc08e2c2ef72e164f (patch)
tree2d505e2f3088f568de394498507870e5340e6f34
parent9a9407a11dad3013a99cefbbc00ecf1db561eb3f (diff)
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Added more getters to the sensor handler.
Added test code in main to print out data from getters.
-rw-r--r--Mode/Mode.cpp9
-rw-r--r--Mode/Mode.h9
-rw-r--r--SensorHandler/SensorHandler.cpp59
-rw-r--r--SensorHandler/SensorHandler.h12
-rw-r--r--main.cpp70
5 files changed, 145 insertions, 14 deletions
diff --git a/Mode/Mode.cpp b/Mode/Mode.cpp
index 059ddb3..8268a4a 100644
--- a/Mode/Mode.cpp
+++ b/Mode/Mode.cpp
@@ -156,8 +156,11 @@ void Mode::updateData(DataItem& data, DataType type, bool status) {
void Mode::updateSensors(SensorItem& data) {
data.accel_data = _mdot_sensors.getAcceleration();
data.baro_data = _mdot_sensors.getBarometer();
- data.lux_data = _mdot_sensors.getLight();
+ data.lux_data_raw = _mdot_sensors.getLightRaw();
+ data.pressure_raw = _mdot_sensors.getPressureRaw();
+ data.light = _mdot_sensors.getLight();
data.pressure = _mdot_sensors.getPressure();
+ data.altitude = _mdot_sensors.getAltitude();
}
uint32_t Mode::getIndex(DataType type) {
@@ -297,12 +300,12 @@ std::vector<uint8_t> Mode::formatSensorData(SensorItem& data) {
convertS.f_s = data.accel_data._z * 4; // shift data 2 bits while retaining sign
send_data.push_back(convertS.t_u[1]); // get 8 MSB of 14 bit value
send_data.push_back(0x08); // key for Current Pressure Value
- convertL.f_u = data.pressure; // pressure data is 20 bits unsigned
+ convertL.f_u = data.pressure_raw; // pressure data is 20 bits unsigned
send_data.push_back(convertL.t_u[2]);
send_data.push_back(convertL.t_u[1]);
send_data.push_back(convertL.t_u[0]);
send_data.push_back(0x05); // key for Current Ambient Light Value
- convertS.f_u = data.lux_data; // data is 16 bits unsigned
+ convertS.f_u = data.lux_data_raw; // data is 16 bits unsigned
send_data.push_back(convertS.t_u[1]);
send_data.push_back(convertS.t_u[0]);
send_data.push_back(0x0B); // key for Current Temperature Value
diff --git a/Mode/Mode.h b/Mode/Mode.h
index d97dfb1..ff9ba6c 100644
--- a/Mode/Mode.h
+++ b/Mode/Mode.h
@@ -35,9 +35,12 @@ class Mode {
typedef struct {
MMA845x_DATA accel_data;
MPL3115A2_DATA baro_data;
- uint16_t lux_data;
- uint32_t pressure;
- } SensorItem;
+ uint16_t lux_data_raw;
+ uint32_t pressure_raw;
+ float light;
+ float pressure;
+ float altitude;
+ } SensorItem;
Mode(DOGS102* lcd, ButtonHandler* buttons, mDot* dot, LoRaHandler* lora);
~Mode();
diff --git a/SensorHandler/SensorHandler.cpp b/SensorHandler/SensorHandler.cpp
index 33515f7..89f7d2d 100644
--- a/SensorHandler/SensorHandler.cpp
+++ b/SensorHandler/SensorHandler.cpp
@@ -86,7 +86,7 @@ void SensorHandler::readSensors()
_pressure = _barometricSensor.getBaroData() >> 12; // convert 32 bit signed to 20 bit unsigned value
_mutex.unlock();
- // Trigger a Altitude reading
+ // Trigger an Altitude reading
_barometricSensor.setParameters(MPL3115A2::DATA_NORMAL, MPL3115A2::DM_ALTIMETER, MPL3115A2::OR_16,
MPL3115A2::AT_1);
_barometricSensor.triggerOneShot();
@@ -97,7 +97,7 @@ void SensorHandler::readSensors()
result = _barometricSensor.getStatus();
} while ((result & MPL3115A2::PTDR) == 0 );
- // Retrieve temperature
+ // Retrieve temperature and altitude.
_mutex.lock();
_barometerData = _barometricSensor.getAllData(false);
_mutex.unlock();
@@ -117,7 +117,19 @@ MMA845x_DATA SensorHandler::getAcceleration(){
return data;
}
-uint16_t SensorHandler::getLight(){
+float SensorHandler::getLight(){
+ float light;
+ uint16_t whole;
+ _mutex.lock();
+ whole = _light;
+ _mutex.unlock();
+ light = whole * 24 % 100;
+ light /= 100;
+ light = light + (whole * 24 / 100); // 16000 lux full scale .24 lux per bit
+ return light;
+}
+
+uint16_t SensorHandler::getLightRaw(){
uint16_t light;
_mutex.lock();
light = _light;
@@ -125,7 +137,18 @@ uint16_t SensorHandler::getLight(){
return light;
}
-uint32_t SensorHandler::getPressure(){
+float SensorHandler::getPressure(){
+ float pressure;
+ uint32_t whole;
+ _mutex.lock();
+ whole = _pressure;
+ _mutex.unlock();
+ pressure = (whole & 3) * .25;
+ pressure = pressure + (whole >> 2);
+ return pressure;
+}
+
+uint32_t SensorHandler::getPressureRaw(){
uint32_t pressure;
_mutex.lock();
pressure = _pressure;
@@ -133,6 +156,34 @@ uint32_t SensorHandler::getPressure(){
return pressure;
}
+float SensorHandler::getTemp(Scale scale){
+ float temperature;
+ uint16_t whole;
+ _mutex.lock();
+ whole = _barometerData._temp;
+ _mutex.unlock();
+ temperature = whole & 0x0f;
+ temperature *= .0625;
+ temperature += (whole >> 4);
+ if(scale == FAHRENHEIT){
+ temperature = temperature * 1.8 + 32;
+ }
+ return temperature;
+}
+
+float SensorHandler::getAltitude(){
+ float altitude;
+ uint32_t whole;
+ _mutex.lock();
+ whole = _barometerData._baro;
+ _mutex.unlock();
+ whole /= 4096;
+ altitude = (whole & 0x0f) * .0625;
+ whole /= 16;
+ altitude += whole;
+ return altitude;
+}
+
MPL3115A2_DATA SensorHandler::getBarometer(){
MPL3115A2_DATA data;
_mutex.lock();
diff --git a/SensorHandler/SensorHandler.h b/SensorHandler/SensorHandler.h
index f3ad83d..01ccf77 100644
--- a/SensorHandler/SensorHandler.h
+++ b/SensorHandler/SensorHandler.h
@@ -22,14 +22,18 @@
class SensorHandler
{
public:
+ enum Scale{CELSIUS, FAHRENHEIT};
SensorHandler(void);
~SensorHandler(void);
MMA845x_DATA getAcceleration(void);
- uint16_t getLight(void);
- uint32_t getPressure(void);
+ float getLight(void);
+ uint16_t getLightRaw(void);
+ float getPressure(void);
+ uint32_t getPressureRaw(void);
+ float getTemp(Scale);
+ float getAltitude(void);
MPL3115A2_DATA getBarometer(void);
-
-
+
private:
Thread _getSensorThread;
static void startSensorThread (void const *p);
diff --git a/main.cpp b/main.cpp
index 6dc9447..7cdd7fe 100644
--- a/main.cpp
+++ b/main.cpp
@@ -23,6 +23,11 @@
// misc heders
#include <string>
+/*------------------------------------------------------*/
+#include "SensorHandler.h"
+/*------------------------------------------------------*/
+
+
// LCD and backlight controllers
SPI lcd_spi(SPI1_MOSI, SPI1_MISO, SPI1_SCK);
I2C backlight_i2c(I2C_SDA, I2C_SCL);
@@ -111,6 +116,71 @@ void mainMenu() {
items.push_back(menu_strings[single]);
items.push_back(menu_strings[sweep]);
+ /*------------------------------------------------------*/
+ SensorHandler *sensors = new SensorHandler();
+ MMA845x_DATA accel;
+ uint16_t light;
+ int32_t num_whole;
+ int16_t num_frac;
+ uint32_t pressure;
+ float temp;
+ char txtstr[17];
+ while(1){
+ accel = sensors->getAcceleration();
+ sprintf(txtstr, "Accel: x = %d", accel._x);
+ printf("%s\r\n", txtstr);
+ sprintf(txtstr, "y = %d", accel._y);
+ printf("%s\r\n", txtstr);
+ sprintf(txtstr, "z = %d", accel._z );
+ printf("%s\r\n", txtstr);
+
+ light = sensors->getLightRaw();
+ num_whole = light * 24 / 100; // 16000 lux full scale .24 lux per bit
+ num_frac = light * 24 % 100;
+ sprintf(txtstr, "Light=%ld.%02d lux", num_whole, num_frac );
+ printf("%s\r\n", txtstr);
+
+ temp = sensors->getLight();
+ printf("getLight call = %4.3f\r\n", temp);
+
+ printf("----------------------Pressure-----------------------\r\n");
+ pressure = sensors->getPressureRaw();
+ num_whole = pressure >> 2; // 18 bit integer significant
+ num_frac = (pressure & 0x3) * 25; // 2 bit fractional 0.25 per bit
+ sprintf(txtstr,"Raw...Press=%ld.%02d Pa", num_whole, num_frac);
+ printf("%s\r\n", txtstr);
+
+ temp = sensors->getPressure();
+ printf("getPressure call = %3.2f\r\n", temp);
+ printf("-----------------------------------------------------\r\n");
+
+ printf("----------------------Altitude-----------------------\r\n");
+ num_whole = sensors->getBarometer()._baro; // 8 bit signed significant integer
+ num_whole /= 4096;
+ num_frac = (num_whole & 0x0F) * 625 / 10; // 4 bit fractional .0625 per bit
+ num_whole /= 16;
+ sprintf(txtstr,"Alti=%ld.%02d m", num_whole, num_frac);
+ printf("%s\r\n", txtstr);
+
+ temp = sensors->getAltitude();
+ printf("getAltitude call = %3.3f\r\n", temp);
+ printf("-----------------------------------------------------\r\n");
+
+ printf("---------------------Temperature---------------------\r\n");
+ num_whole = ((sensors->getBarometer())._temp) / 16; // 8 bit signed significant integer
+ num_frac = (((sensors->getBarometer())._temp) & 0x0F) * 625 / 10; // 4 bit fractional .0625 per bit
+ sprintf(txtstr,"Temp=%ld.%03d C", num_whole, num_frac);
+ printf("%s\r\n", txtstr);
+
+ temp = sensors->getTemp(SensorHandler::CELSIUS);
+ printf("getTemp call = %3.3f\r\n", temp);
+ printf("-----------------------------------------------------\r\n\r\n");
+
+ osDelay(5000);
+ }
+
+ /*------------------------------------------------------*/
+
while (true) {
// reset session between modes
dot->resetNetworkSession();