Cayenne Low Power Payload
Dependents: LORAWAN-TTN-CAYENNE-LM35 ER4Lora gps_accelerometer sgam_mdw_test ... more
Diff: CayenneLPP.cpp
- 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; +} +