myDevicesIoT / Cayenne-LPP

Cayenne Low Power Payload

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

CayenneLPP.cpp@0:15c6e1cab70a, 2016-12-02 (annotated)

Committer:
eptak
Date:
Fri Dec 02 01:41:03 2016 +0000
Revision:
0:15c6e1cab70a
Initial Commit

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++] = value;
eptak 0:15c6e1cab70a 76 buffer[cursor++] = val >> 8;
eptak 0:15c6e1cab70a 77 buffer[cursor++] = val;
eptak 0:15c6e1cab70a 78
eptak 0:15c6e1cab70a 79 return cursor;
eptak 0:15c6e1cab70a 80 }
eptak 0:15c6e1cab70a 81
eptak 0:15c6e1cab70a 82 uint8_t CayenneLPP::addLuminosity(uint8_t channel, uint16_t lux) {
eptak 0:15c6e1cab70a 83 if ((cursor + LPP_LUMINOSITY_SIZE) > maxsize) {
eptak 0:15c6e1cab70a 84 return 0;
eptak 0:15c6e1cab70a 85 }
eptak 0:15c6e1cab70a 86 buffer[cursor++] = channel;
eptak 0:15c6e1cab70a 87 buffer[cursor++] = LPP_LUMINOSITY;
eptak 0:15c6e1cab70a 88 buffer[cursor++] = lux >> 8;
eptak 0:15c6e1cab70a 89 buffer[cursor++] = lux;
eptak 0:15c6e1cab70a 90
eptak 0:15c6e1cab70a 91 return cursor;
eptak 0:15c6e1cab70a 92 }
eptak 0:15c6e1cab70a 93
eptak 0:15c6e1cab70a 94 uint8_t CayenneLPP::addPresence(uint8_t channel, uint8_t value) {
eptak 0:15c6e1cab70a 95 if ((cursor + LPP_PRESENCE_SIZE) > maxsize) {
eptak 0:15c6e1cab70a 96 return 0;
eptak 0:15c6e1cab70a 97 }
eptak 0:15c6e1cab70a 98 buffer[cursor++] = channel;
eptak 0:15c6e1cab70a 99 buffer[cursor++] = LPP_PRESENCE;
eptak 0:15c6e1cab70a 100 buffer[cursor++] = value;
eptak 0:15c6e1cab70a 101
eptak 0:15c6e1cab70a 102 return cursor;
eptak 0:15c6e1cab70a 103 }
eptak 0:15c6e1cab70a 104
eptak 0:15c6e1cab70a 105 uint8_t CayenneLPP::addTemperature(uint8_t channel, float celsius) {
eptak 0:15c6e1cab70a 106 if ((cursor + LPP_TEMPERATURE_SIZE) > maxsize) {
eptak 0:15c6e1cab70a 107 return 0;
eptak 0:15c6e1cab70a 108 }
eptak 0:15c6e1cab70a 109 int16_t val = celsius * 10;
eptak 0:15c6e1cab70a 110 buffer[cursor++] = channel;
eptak 0:15c6e1cab70a 111 buffer[cursor++] = LPP_TEMPERATURE;
eptak 0:15c6e1cab70a 112 buffer[cursor++] = val >> 8;
eptak 0:15c6e1cab70a 113 buffer[cursor++] = val;
eptak 0:15c6e1cab70a 114
eptak 0:15c6e1cab70a 115 return cursor;
eptak 0:15c6e1cab70a 116 }
eptak 0:15c6e1cab70a 117
eptak 0:15c6e1cab70a 118 uint8_t CayenneLPP::addRelativeHumidity(uint8_t channel, float rh) {
eptak 0:15c6e1cab70a 119 if ((cursor + LPP_RELATIVE_HUMIDITY_SIZE) > maxsize) {
eptak 0:15c6e1cab70a 120 return 0;
eptak 0:15c6e1cab70a 121 }
eptak 0:15c6e1cab70a 122 buffer[cursor++] = channel;
eptak 0:15c6e1cab70a 123 buffer[cursor++] = LPP_RELATIVE_HUMIDITY;
eptak 0:15c6e1cab70a 124 buffer[cursor++] = rh * 2;
eptak 0:15c6e1cab70a 125
eptak 0:15c6e1cab70a 126 return cursor;
eptak 0:15c6e1cab70a 127 }
eptak 0:15c6e1cab70a 128
eptak 0:15c6e1cab70a 129 uint8_t CayenneLPP::addAccelerometer(uint8_t channel, float x, float y, float z) {
eptak 0:15c6e1cab70a 130 if ((cursor + LPP_ACCELEROMETER_SIZE) > maxsize) {
eptak 0:15c6e1cab70a 131 return 0;
eptak 0:15c6e1cab70a 132 }
eptak 0:15c6e1cab70a 133 int16_t vx = x * 1000;
eptak 0:15c6e1cab70a 134 int16_t vy = y * 1000;
eptak 0:15c6e1cab70a 135 int16_t vz = z * 1000;
eptak 0:15c6e1cab70a 136
eptak 0:15c6e1cab70a 137 buffer[cursor++] = channel;
eptak 0:15c6e1cab70a 138 buffer[cursor++] = LPP_ACCELEROMETER;
eptak 0:15c6e1cab70a 139 buffer[cursor++] = vx >> 8;
eptak 0:15c6e1cab70a 140 buffer[cursor++] = vx;
eptak 0:15c6e1cab70a 141 buffer[cursor++] = vy >> 8;
eptak 0:15c6e1cab70a 142 buffer[cursor++] = vy;
eptak 0:15c6e1cab70a 143 buffer[cursor++] = vz >> 8;
eptak 0:15c6e1cab70a 144 buffer[cursor++] = vz;
eptak 0:15c6e1cab70a 145
eptak 0:15c6e1cab70a 146 return cursor;
eptak 0:15c6e1cab70a 147 }
eptak 0:15c6e1cab70a 148
eptak 0:15c6e1cab70a 149 uint8_t CayenneLPP::addBarometricPressure(uint8_t channel, float hpa) {
eptak 0:15c6e1cab70a 150 if ((cursor + LPP_BAROMETRIC_PRESSURE_SIZE) > maxsize) {
eptak 0:15c6e1cab70a 151 return 0;
eptak 0:15c6e1cab70a 152 }
eptak 0:15c6e1cab70a 153 int16_t val = hpa * 10;
eptak 0:15c6e1cab70a 154
eptak 0:15c6e1cab70a 155 buffer[cursor++] = channel;
eptak 0:15c6e1cab70a 156 buffer[cursor++] = LPP_BAROMETRIC_PRESSURE;
eptak 0:15c6e1cab70a 157 buffer[cursor++] = val >> 8;
eptak 0:15c6e1cab70a 158 buffer[cursor++] = val;
eptak 0:15c6e1cab70a 159
eptak 0:15c6e1cab70a 160 return cursor;
eptak 0:15c6e1cab70a 161 }
eptak 0:15c6e1cab70a 162
eptak 0:15c6e1cab70a 163 uint8_t CayenneLPP::addGyrometer(uint8_t channel, float x, float y, float z) {
eptak 0:15c6e1cab70a 164 if ((cursor + LPP_GYROMETER_SIZE) > maxsize) {
eptak 0:15c6e1cab70a 165 return 0;
eptak 0:15c6e1cab70a 166 }
eptak 0:15c6e1cab70a 167 int16_t vx = x * 100;
eptak 0:15c6e1cab70a 168 int16_t vy = y * 100;
eptak 0:15c6e1cab70a 169 int16_t vz = z * 100;
eptak 0:15c6e1cab70a 170
eptak 0:15c6e1cab70a 171 buffer[cursor++] = channel;
eptak 0:15c6e1cab70a 172 buffer[cursor++] = LPP_GYROMETER;
eptak 0:15c6e1cab70a 173 buffer[cursor++] = vx >> 8;
eptak 0:15c6e1cab70a 174 buffer[cursor++] = vx;
eptak 0:15c6e1cab70a 175 buffer[cursor++] = vy >> 8;
eptak 0:15c6e1cab70a 176 buffer[cursor++] = vy;
eptak 0:15c6e1cab70a 177 buffer[cursor++] = vz >> 8;
eptak 0:15c6e1cab70a 178 buffer[cursor++] = vz;
eptak 0:15c6e1cab70a 179
eptak 0:15c6e1cab70a 180 return cursor;
eptak 0:15c6e1cab70a 181 }
eptak 0:15c6e1cab70a 182
eptak 0:15c6e1cab70a 183 uint8_t CayenneLPP::addGPS(uint8_t channel, float latitude, float longitude, float meters) {
eptak 0:15c6e1cab70a 184 if ((cursor + LPP_GPS_SIZE) > maxsize) {
eptak 0:15c6e1cab70a 185 return 0;
eptak 0:15c6e1cab70a 186 }
eptak 0:15c6e1cab70a 187 int32_t lat = latitude * 10000;
eptak 0:15c6e1cab70a 188 int32_t lon = longitude * 10000;
eptak 0:15c6e1cab70a 189 int32_t alt = meters * 100;
eptak 0:15c6e1cab70a 190
eptak 0:15c6e1cab70a 191 buffer[cursor++] = channel;
eptak 0:15c6e1cab70a 192 buffer[cursor++] = LPP_GPS;
eptak 0:15c6e1cab70a 193
eptak 0:15c6e1cab70a 194 buffer[cursor++] = lat >> 16;
eptak 0:15c6e1cab70a 195 buffer[cursor++] = lat >> 8;
eptak 0:15c6e1cab70a 196 buffer[cursor++] = lat;
eptak 0:15c6e1cab70a 197 buffer[cursor++] = lon >> 16;
eptak 0:15c6e1cab70a 198 buffer[cursor++] = lon >> 8;
eptak 0:15c6e1cab70a 199 buffer[cursor++] = lon;
eptak 0:15c6e1cab70a 200 buffer[cursor++] = alt >> 16;
eptak 0:15c6e1cab70a 201 buffer[cursor++] = alt >> 8;
eptak 0:15c6e1cab70a 202 buffer[cursor++] = alt;
eptak 0:15c6e1cab70a 203
eptak 0:15c6e1cab70a 204 return cursor;
eptak 0:15c6e1cab70a 205 }
eptak 0:15c6e1cab70a 206