Cayenne Low Power Payload

Dependents:   LORAWAN-TTN-CAYENNE-LM35 ER4Lora gps_accelerometer sgam_mdw_test ... more

Revision:
0:15c6e1cab70a
diff -r 000000000000 -r 15c6e1cab70a CayenneLPP.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CayenneLPP.cpp	Fri Dec 02 01:41:03 2016 +0000
@@ -0,0 +1,206 @@
+#include "CayenneLPP.h"
+
+CayenneLPP::CayenneLPP(uint8_t size) : maxsize(size) {
+    buffer = (uint8_t*) malloc(size);
+    cursor = 0;
+}
+
+CayenneLPP::~CayenneLPP(void) {
+    free(buffer);
+}
+
+void CayenneLPP::reset(void) {
+    cursor = 0;
+}
+
+uint8_t CayenneLPP::getSize(void) {
+    return cursor;
+}
+
+uint8_t* CayenneLPP::getBuffer(void) {
+//    uint8_t[cursor] result;
+//    memcpy(result, buffer, cursor);
+//    return result;
+    return buffer;
+}
+
+uint8_t CayenneLPP::copy(uint8_t* dst) {
+    memcpy(dst, buffer, cursor);
+    return cursor;
+}
+
+uint8_t CayenneLPP::addDigitalInput(uint8_t channel, uint8_t value) {
+    if ((cursor + LPP_DIGITAL_INPUT_SIZE) > maxsize) {
+        return 0;
+    }
+    buffer[cursor++] = channel; 
+    buffer[cursor++] = LPP_DIGITAL_INPUT; 
+    buffer[cursor++] = value; 
+
+    return cursor;
+}
+
+uint8_t CayenneLPP::addDigitalOutput(uint8_t channel, uint8_t value) {
+    if ((cursor + LPP_DIGITAL_OUTPUT_SIZE) > maxsize) {
+        return 0;
+    }
+    buffer[cursor++] = channel; 
+    buffer[cursor++] = LPP_DIGITAL_OUTPUT; 
+    buffer[cursor++] = value; 
+
+    return cursor;
+}
+
+uint8_t CayenneLPP::addAnalogInput(uint8_t channel, float value) {
+    if ((cursor + LPP_ANALOG_INPUT_SIZE) > maxsize) {
+        return 0;
+    }
+    
+    int16_t val = value * 100;
+    buffer[cursor++] = channel; 
+    buffer[cursor++] = LPP_ANALOG_INPUT; 
+    buffer[cursor++] = val >> 8; 
+    buffer[cursor++] = val; 
+
+    return cursor;
+}
+
+uint8_t CayenneLPP::addAnalogOutput(uint8_t channel, float value) {
+    if ((cursor + LPP_ANALOG_OUTPUT_SIZE) > maxsize) {
+        return 0;
+    }
+    int16_t val = value * 100;
+    buffer[cursor++] = channel; 
+    buffer[cursor++] = LPP_ANALOG_OUTPUT;
+    buffer[cursor++] = value;
+    buffer[cursor++] = val >> 8; 
+    buffer[cursor++] = val; 
+    
+    return cursor;
+}
+
+uint8_t CayenneLPP::addLuminosity(uint8_t channel, uint16_t lux) {
+    if ((cursor + LPP_LUMINOSITY_SIZE) > maxsize) {
+        return 0;
+    }
+    buffer[cursor++] = channel; 
+    buffer[cursor++] = LPP_LUMINOSITY; 
+    buffer[cursor++] = lux >> 8; 
+    buffer[cursor++] = lux; 
+
+    return cursor;
+}
+
+uint8_t CayenneLPP::addPresence(uint8_t channel, uint8_t value) {
+    if ((cursor + LPP_PRESENCE_SIZE) > maxsize) {
+        return 0;
+    }
+    buffer[cursor++] = channel; 
+    buffer[cursor++] = LPP_PRESENCE; 
+    buffer[cursor++] = value; 
+
+    return cursor;
+}
+
+uint8_t CayenneLPP::addTemperature(uint8_t channel, float celsius) {
+    if ((cursor + LPP_TEMPERATURE_SIZE) > maxsize) {
+        return 0;
+    }
+    int16_t val = celsius * 10;
+    buffer[cursor++] = channel; 
+    buffer[cursor++] = LPP_TEMPERATURE; 
+    buffer[cursor++] = val >> 8; 
+    buffer[cursor++] = val; 
+
+    return cursor;
+}
+
+uint8_t CayenneLPP::addRelativeHumidity(uint8_t channel, float rh) {
+    if ((cursor + LPP_RELATIVE_HUMIDITY_SIZE) > maxsize) {
+        return 0;
+    }
+    buffer[cursor++] = channel; 
+    buffer[cursor++] = LPP_RELATIVE_HUMIDITY; 
+    buffer[cursor++] = rh * 2; 
+
+    return cursor;
+}
+
+uint8_t CayenneLPP::addAccelerometer(uint8_t channel, float x, float y, float z) {
+    if ((cursor + LPP_ACCELEROMETER_SIZE) > maxsize) {
+        return 0;
+    }
+    int16_t vx = x * 1000;
+    int16_t vy = y * 1000;
+    int16_t vz = z * 1000;
+    
+    buffer[cursor++] = channel; 
+    buffer[cursor++] = LPP_ACCELEROMETER; 
+    buffer[cursor++] = vx >> 8; 
+    buffer[cursor++] = vx; 
+    buffer[cursor++] = vy >> 8; 
+    buffer[cursor++] = vy; 
+    buffer[cursor++] = vz >> 8; 
+    buffer[cursor++] = vz; 
+
+    return cursor;
+}
+
+uint8_t CayenneLPP::addBarometricPressure(uint8_t channel, float hpa) {
+    if ((cursor + LPP_BAROMETRIC_PRESSURE_SIZE) > maxsize) {
+        return 0;
+    }
+    int16_t val = hpa * 10;
+    
+    buffer[cursor++] = channel; 
+    buffer[cursor++] = LPP_BAROMETRIC_PRESSURE; 
+    buffer[cursor++] = val >> 8; 
+    buffer[cursor++] = val; 
+
+    return cursor;
+}
+
+uint8_t CayenneLPP::addGyrometer(uint8_t channel, float x, float y, float z) {
+    if ((cursor + LPP_GYROMETER_SIZE) > maxsize) {
+        return 0;
+    }
+    int16_t vx = x * 100;
+    int16_t vy = y * 100;
+    int16_t vz = z * 100;
+    
+    buffer[cursor++] = channel; 
+    buffer[cursor++] = LPP_GYROMETER; 
+    buffer[cursor++] = vx >> 8; 
+    buffer[cursor++] = vx; 
+    buffer[cursor++] = vy >> 8; 
+    buffer[cursor++] = vy; 
+    buffer[cursor++] = vz >> 8; 
+    buffer[cursor++] = vz; 
+
+    return cursor;
+}
+
+uint8_t CayenneLPP::addGPS(uint8_t channel, float latitude, float longitude, float meters) {
+    if ((cursor + LPP_GPS_SIZE) > maxsize) {
+        return 0;
+    }
+    int32_t lat = latitude * 10000;
+    int32_t lon = longitude * 10000;
+    int32_t alt = meters * 100;
+    
+    buffer[cursor++] = channel; 
+    buffer[cursor++] = LPP_GPS; 
+
+    buffer[cursor++] = lat >> 16; 
+    buffer[cursor++] = lat >> 8; 
+    buffer[cursor++] = lat; 
+    buffer[cursor++] = lon >> 16; 
+    buffer[cursor++] = lon >> 8; 
+    buffer[cursor++] = lon; 
+    buffer[cursor++] = alt >> 16; 
+    buffer[cursor++] = alt >> 8;
+    buffer[cursor++] = alt;
+
+    return cursor;
+}
+