myDevicesIoT / Cayenne-LPP

Cayenne Low Power Payload

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

src/CayenneLPP.cpp@6:5a9d65b33e85, 2017-03-09 (annotated)

Committer:
eptak
Date:
Thu Mar 09 16:32:30 2017 +0000
Revision:
6:5a9d65b33e85
Parent:
1:3747637941bf 
fix typo

Who changed what in which revision?

UserRevisionLine numberNew contents of line
eptak 0:15c6e1cab70a 1 #include "CayenneLPP.h"
eptak 0:15c6e1cab70a 2
eptak 0:15c6e1cab70a 3 CayenneLPP::CayenneLPP(uint8_t size) : maxsize(size) {
eptak 0:15c6e1cab70a 4 buffer = (uint8_t*) malloc(size);
eptak 0:15c6e1cab70a 5 cursor = 0;
eptak 0:15c6e1cab70a 6 }
eptak 0:15c6e1cab70a 7
eptak 0:15c6e1cab70a 8 CayenneLPP::~CayenneLPP(void) {
eptak 0:15c6e1cab70a 9 free(buffer);
eptak 0:15c6e1cab70a 10 }
eptak 0:15c6e1cab70a 11
eptak 0:15c6e1cab70a 12 void CayenneLPP::reset(void) {
eptak 0:15c6e1cab70a 13 cursor = 0;
eptak 0:15c6e1cab70a 14 }
eptak 0:15c6e1cab70a 15
eptak 0:15c6e1cab70a 16 uint8_t CayenneLPP::getSize(void) {
eptak 0:15c6e1cab70a 17 return cursor;
eptak 0:15c6e1cab70a 18 }
eptak 0:15c6e1cab70a 19
eptak 0:15c6e1cab70a 20 uint8_t* CayenneLPP::getBuffer(void) {
eptak 0:15c6e1cab70a 21 // uint8_t[cursor] result;
eptak 0:15c6e1cab70a 22 // memcpy(result, buffer, cursor);
eptak 0:15c6e1cab70a 23 // return result;
eptak 0:15c6e1cab70a 24 return buffer;
eptak 0:15c6e1cab70a 25 }
eptak 0:15c6e1cab70a 26
eptak 0:15c6e1cab70a 27 uint8_t CayenneLPP::copy(uint8_t* dst) {
eptak 0:15c6e1cab70a 28 memcpy(dst, buffer, cursor);
eptak 0:15c6e1cab70a 29 return cursor;
eptak 0:15c6e1cab70a 30 }
eptak 0:15c6e1cab70a 31
eptak 0:15c6e1cab70a 32 uint8_t CayenneLPP::addDigitalInput(uint8_t channel, uint8_t value) {
eptak 0:15c6e1cab70a 33 if ((cursor + LPP_DIGITAL_INPUT_SIZE) > maxsize) {
eptak 0:15c6e1cab70a 34 return 0;
eptak 0:15c6e1cab70a 35 }
eptak 0:15c6e1cab70a 36 buffer[cursor++] = channel;
eptak 0:15c6e1cab70a 37 buffer[cursor++] = LPP_DIGITAL_INPUT;
eptak 0:15c6e1cab70a 38 buffer[cursor++] = value;
eptak 0:15c6e1cab70a 39
eptak 0:15c6e1cab70a 40 return cursor;
eptak 0:15c6e1cab70a 41 }
eptak 0:15c6e1cab70a 42
eptak 0:15c6e1cab70a 43 uint8_t CayenneLPP::addDigitalOutput(uint8_t channel, uint8_t value) {
eptak 0:15c6e1cab70a 44 if ((cursor + LPP_DIGITAL_OUTPUT_SIZE) > maxsize) {
eptak 0:15c6e1cab70a 45 return 0;
eptak 0:15c6e1cab70a 46 }
eptak 0:15c6e1cab70a 47 buffer[cursor++] = channel;
eptak 0:15c6e1cab70a 48 buffer[cursor++] = LPP_DIGITAL_OUTPUT;
eptak 0:15c6e1cab70a 49 buffer[cursor++] = value;
eptak 0:15c6e1cab70a 50
eptak 0:15c6e1cab70a 51 return cursor;
eptak 0:15c6e1cab70a 52 }
eptak 0:15c6e1cab70a 53
eptak 0:15c6e1cab70a 54 uint8_t CayenneLPP::addAnalogInput(uint8_t channel, float value) {
eptak 0:15c6e1cab70a 55 if ((cursor + LPP_ANALOG_INPUT_SIZE) > maxsize) {
eptak 0:15c6e1cab70a 56 return 0;
eptak 0:15c6e1cab70a 57 }
eptak 0:15c6e1cab70a 58
eptak 0:15c6e1cab70a 59 int16_t val = value * 100;
eptak 0:15c6e1cab70a 60 buffer[cursor++] = channel;
eptak 0:15c6e1cab70a 61 buffer[cursor++] = LPP_ANALOG_INPUT;
eptak 0:15c6e1cab70a 62 buffer[cursor++] = val >> 8;
eptak 0:15c6e1cab70a 63 buffer[cursor++] = val;
eptak 0:15c6e1cab70a 64
eptak 0:15c6e1cab70a 65 return cursor;
eptak 0:15c6e1cab70a 66 }
eptak 0:15c6e1cab70a 67
eptak 0:15c6e1cab70a 68 uint8_t CayenneLPP::addAnalogOutput(uint8_t channel, float value) {
eptak 0:15c6e1cab70a 69 if ((cursor + LPP_ANALOG_OUTPUT_SIZE) > maxsize) {
eptak 0:15c6e1cab70a 70 return 0;
eptak 0:15c6e1cab70a 71 }
eptak 0:15c6e1cab70a 72 int16_t val = value * 100;
eptak 0:15c6e1cab70a 73 buffer[cursor++] = channel;
eptak 0:15c6e1cab70a 74 buffer[cursor++] = LPP_ANALOG_OUTPUT;
eptak 0:15c6e1cab70a 75 buffer[cursor++] = val >> 8;
eptak 0:15c6e1cab70a 76 buffer[cursor++] = val;
eptak 0:15c6e1cab70a 77
eptak 0:15c6e1cab70a 78 return cursor;
eptak 0:15c6e1cab70a 79 }
eptak 0:15c6e1cab70a 80
eptak 0:15c6e1cab70a 81 uint8_t CayenneLPP::addLuminosity(uint8_t channel, uint16_t lux) {
eptak 0:15c6e1cab70a 82 if ((cursor + LPP_LUMINOSITY_SIZE) > maxsize) {
eptak 0:15c6e1cab70a 83 return 0;
eptak 0:15c6e1cab70a 84 }
eptak 0:15c6e1cab70a 85 buffer[cursor++] = channel;
eptak 0:15c6e1cab70a 86 buffer[cursor++] = LPP_LUMINOSITY;
eptak 0:15c6e1cab70a 87 buffer[cursor++] = lux >> 8;
eptak 0:15c6e1cab70a 88 buffer[cursor++] = lux;
eptak 0:15c6e1cab70a 89
eptak 0:15c6e1cab70a 90 return cursor;
eptak 0:15c6e1cab70a 91 }
eptak 0:15c6e1cab70a 92
eptak 0:15c6e1cab70a 93 uint8_t CayenneLPP::addPresence(uint8_t channel, uint8_t value) {
eptak 0:15c6e1cab70a 94 if ((cursor + LPP_PRESENCE_SIZE) > maxsize) {
eptak 0:15c6e1cab70a 95 return 0;
eptak 0:15c6e1cab70a 96 }
eptak 0:15c6e1cab70a 97 buffer[cursor++] = channel;
eptak 0:15c6e1cab70a 98 buffer[cursor++] = LPP_PRESENCE;
eptak 0:15c6e1cab70a 99 buffer[cursor++] = value;
eptak 0:15c6e1cab70a 100
eptak 0:15c6e1cab70a 101 return cursor;
eptak 0:15c6e1cab70a 102 }
eptak 0:15c6e1cab70a 103
eptak 0:15c6e1cab70a 104 uint8_t CayenneLPP::addTemperature(uint8_t channel, float celsius) {
eptak 0:15c6e1cab70a 105 if ((cursor + LPP_TEMPERATURE_SIZE) > maxsize) {
eptak 0:15c6e1cab70a 106 return 0;
eptak 0:15c6e1cab70a 107 }
eptak 0:15c6e1cab70a 108 int16_t val = celsius * 10;
eptak 0:15c6e1cab70a 109 buffer[cursor++] = channel;
eptak 0:15c6e1cab70a 110 buffer[cursor++] = LPP_TEMPERATURE;
eptak 0:15c6e1cab70a 111 buffer[cursor++] = val >> 8;
eptak 0:15c6e1cab70a 112 buffer[cursor++] = val;
eptak 0:15c6e1cab70a 113
eptak 0:15c6e1cab70a 114 return cursor;
eptak 0:15c6e1cab70a 115 }
eptak 0:15c6e1cab70a 116
eptak 0:15c6e1cab70a 117 uint8_t CayenneLPP::addRelativeHumidity(uint8_t channel, float rh) {
eptak 0:15c6e1cab70a 118 if ((cursor + LPP_RELATIVE_HUMIDITY_SIZE) > maxsize) {
eptak 0:15c6e1cab70a 119 return 0;
eptak 0:15c6e1cab70a 120 }
eptak 0:15c6e1cab70a 121 buffer[cursor++] = channel;
eptak 0:15c6e1cab70a 122 buffer[cursor++] = LPP_RELATIVE_HUMIDITY;
eptak 0:15c6e1cab70a 123 buffer[cursor++] = rh * 2;
eptak 0:15c6e1cab70a 124
eptak 0:15c6e1cab70a 125 return cursor;
eptak 0:15c6e1cab70a 126 }
eptak 0:15c6e1cab70a 127
eptak 0:15c6e1cab70a 128 uint8_t CayenneLPP::addAccelerometer(uint8_t channel, float x, float y, float z) {
eptak 0:15c6e1cab70a 129 if ((cursor + LPP_ACCELEROMETER_SIZE) > maxsize) {
eptak 0:15c6e1cab70a 130 return 0;
eptak 0:15c6e1cab70a 131 }
eptak 0:15c6e1cab70a 132 int16_t vx = x * 1000;
eptak 0:15c6e1cab70a 133 int16_t vy = y * 1000;
eptak 0:15c6e1cab70a 134 int16_t vz = z * 1000;
eptak 0:15c6e1cab70a 135
eptak 0:15c6e1cab70a 136 buffer[cursor++] = channel;
eptak 0:15c6e1cab70a 137 buffer[cursor++] = LPP_ACCELEROMETER;
eptak 0:15c6e1cab70a 138 buffer[cursor++] = vx >> 8;
eptak 0:15c6e1cab70a 139 buffer[cursor++] = vx;
eptak 0:15c6e1cab70a 140 buffer[cursor++] = vy >> 8;
eptak 0:15c6e1cab70a 141 buffer[cursor++] = vy;
eptak 0:15c6e1cab70a 142 buffer[cursor++] = vz >> 8;
eptak 0:15c6e1cab70a 143 buffer[cursor++] = vz;
eptak 0:15c6e1cab70a 144
eptak 0:15c6e1cab70a 145 return cursor;
eptak 0:15c6e1cab70a 146 }
eptak 0:15c6e1cab70a 147
eptak 0:15c6e1cab70a 148 uint8_t CayenneLPP::addBarometricPressure(uint8_t channel, float hpa) {
eptak 0:15c6e1cab70a 149 if ((cursor + LPP_BAROMETRIC_PRESSURE_SIZE) > maxsize) {
eptak 0:15c6e1cab70a 150 return 0;
eptak 0:15c6e1cab70a 151 }
eptak 0:15c6e1cab70a 152 int16_t val = hpa * 10;
eptak 0:15c6e1cab70a 153
eptak 0:15c6e1cab70a 154 buffer[cursor++] = channel;
eptak 0:15c6e1cab70a 155 buffer[cursor++] = LPP_BAROMETRIC_PRESSURE;
eptak 0:15c6e1cab70a 156 buffer[cursor++] = val >> 8;
eptak 0:15c6e1cab70a 157 buffer[cursor++] = val;
eptak 0:15c6e1cab70a 158
eptak 0:15c6e1cab70a 159 return cursor;
eptak 0:15c6e1cab70a 160 }
eptak 0:15c6e1cab70a 161
eptak 0:15c6e1cab70a 162 uint8_t CayenneLPP::addGyrometer(uint8_t channel, float x, float y, float z) {
eptak 0:15c6e1cab70a 163 if ((cursor + LPP_GYROMETER_SIZE) > maxsize) {
eptak 0:15c6e1cab70a 164 return 0;
eptak 0:15c6e1cab70a 165 }
eptak 0:15c6e1cab70a 166 int16_t vx = x * 100;
eptak 0:15c6e1cab70a 167 int16_t vy = y * 100;
eptak 0:15c6e1cab70a 168 int16_t vz = z * 100;
eptak 0:15c6e1cab70a 169
eptak 0:15c6e1cab70a 170 buffer[cursor++] = channel;
eptak 0:15c6e1cab70a 171 buffer[cursor++] = LPP_GYROMETER;
eptak 0:15c6e1cab70a 172 buffer[cursor++] = vx >> 8;
eptak 0:15c6e1cab70a 173 buffer[cursor++] = vx;
eptak 0:15c6e1cab70a 174 buffer[cursor++] = vy >> 8;
eptak 0:15c6e1cab70a 175 buffer[cursor++] = vy;
eptak 0:15c6e1cab70a 176 buffer[cursor++] = vz >> 8;
eptak 0:15c6e1cab70a 177 buffer[cursor++] = vz;
eptak 0:15c6e1cab70a 178
eptak 0:15c6e1cab70a 179 return cursor;
eptak 0:15c6e1cab70a 180 }
eptak 0:15c6e1cab70a 181
eptak 0:15c6e1cab70a 182 uint8_t CayenneLPP::addGPS(uint8_t channel, float latitude, float longitude, float meters) {
eptak 0:15c6e1cab70a 183 if ((cursor + LPP_GPS_SIZE) > maxsize) {
eptak 0:15c6e1cab70a 184 return 0;
eptak 0:15c6e1cab70a 185 }
eptak 0:15c6e1cab70a 186 int32_t lat = latitude * 10000;
eptak 0:15c6e1cab70a 187 int32_t lon = longitude * 10000;
eptak 0:15c6e1cab70a 188 int32_t alt = meters * 100;
eptak 0:15c6e1cab70a 189
eptak 0:15c6e1cab70a 190 buffer[cursor++] = channel;
eptak 0:15c6e1cab70a 191 buffer[cursor++] = LPP_GPS;
eptak 0:15c6e1cab70a 192
eptak 0:15c6e1cab70a 193 buffer[cursor++] = lat >> 16;
eptak 0:15c6e1cab70a 194 buffer[cursor++] = lat >> 8;
eptak 0:15c6e1cab70a 195 buffer[cursor++] = lat;
eptak 0:15c6e1cab70a 196 buffer[cursor++] = lon >> 16;
eptak 0:15c6e1cab70a 197 buffer[cursor++] = lon >> 8;
eptak 0:15c6e1cab70a 198 buffer[cursor++] = lon;
eptak 0:15c6e1cab70a 199 buffer[cursor++] = alt >> 16;
eptak 0:15c6e1cab70a 200 buffer[cursor++] = alt >> 8;
eptak 0:15c6e1cab70a 201 buffer[cursor++] = alt;
eptak 0:15c6e1cab70a 202
eptak 0:15c6e1cab70a 203 return cursor;
eptak 0:15c6e1cab70a 204 }
eptak 0:15c6e1cab70a 205