Giorgos Tsapparellas / Mbed 2 deprecated LoRaWAN_mbed_lmic_agriculture_app

LoRaWAN smart agriculture application using FRDM-K64F ARM mbed board along with SX1272MB2xAS LoRa shield as the LoRa Node.

Dependencies:   DHT11 LMiC SX1272Lib mbed

Fork of LoRaWAN-lmic-app by Semtech

main.cpp@6:3758685f4b75, 2018-04-02 (annotated)

Committer:
GTsapparellas
Date:
Mon Apr 02 12:16:01 2018 +0000
Revision:
6:3758685f4b75
Parent:
5:1b2fcc2582e8
Child:
7:8ffc2f64b0f8
LoRaWAN smart agriculture application using FRDM-K64F ARM mbed board along with SX1272MB2xAS LoRa shield as the LoRa Node.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
GTsapparellas 6:3758685f4b75 1 /*******************************************************************************
GTsapparellas 6:3758685f4b75 2 * Internet of Things (IoT) smart monitoring
GTsapparellas 6:3758685f4b75 3 * device for agriculture using LoRaWAN technology.
GTsapparellas 6:3758685f4b75 4 *
GTsapparellas 6:3758685f4b75 5 * LoRa Gateway: Single-channel Dragino LG01-P LoRa Gateway
GTsapparellas 6:3758685f4b75 6 *
GTsapparellas 6:3758685f4b75 7 * Measurement parameters: Temperature (Celcius)
GTsapparellas 6:3758685f4b75 8 * Humidity (Relative Humidity %)
GTsapparellas 6:3758685f4b75 9 * Light Intenisty (Volts)
GTsapparellas 6:3758685f4b75 10 * Soil Moisture (Volts)
GTsapparellas 6:3758685f4b75 11 *
GTsapparellas 6:3758685f4b75 12 * Evaluation board: FRDM-K64F ARM mbed board
GTsapparellas 6:3758685f4b75 13 *
GTsapparellas 6:3758685f4b75 14 * LoRa shield: Semtech SX1272MB2xAS
GTsapparellas 6:3758685f4b75 15 *
GTsapparellas 6:3758685f4b75 16 * IoT Cloud Server: The Things Network (Europe EU-868.1 frequency band)
GTsapparellas 6:3758685f4b75 17 *
GTsapparellas 6:3758685f4b75 18 * API Platform: All Things Talk Maker
GTsapparellas 6:3758685f4b75 19 *
GTsapparellas 6:3758685f4b75 20 * - Time-triggered program periodically sends playload data (including
GTsapparellas 6:3758685f4b75 21 * temperature, humidity, light intensity and soil moisture sensor parameters)
GTsapparellas 6:3758685f4b75 22 * by using FRDM-K64F ARM mbed board and Semtech SX1272MB2xAS as the LoRa Node.
GTsapparellas 6:3758685f4b75 23 *
GTsapparellas 6:3758685f4b75 24 * - DHT library and Digital Input pin used for the successful measurement
GTsapparellas 6:3758685f4b75 25 * of temperature and humidity sensor parameters.
GTsapparellas 6:3758685f4b75 26 *
GTsapparellas 6:3758685f4b75 27 * - Analog Input pins used for the successful employement of soil moisture and
GTsapparellas 6:3758685f4b75 28 * light intensity sensor parameters.
GTsapparellas 6:3758685f4b75 29 *
GTsapparellas 6:3758685f4b75 30 * - Semtech's SX1272Lib used for the successful configuration and set up of
GTsapparellas 6:3758685f4b75 31 * of SX1272MB2xAS LoRa shield.
GTsapparellas 6:3758685f4b75 32 *
GTsapparellas 6:3758685f4b75 33 * - IBM's LMiC library used for the successful implementation of LoRa modulation.
GTsapparellas 6:3758685f4b75 34 *
GTsapparellas 6:3758685f4b75 35 * - LoRa Node transmitting playload data directly to the single-channel Dragino
GTsapparellas 6:3758685f4b75 36 * LG01-P LoRa Gateway which is connected to The Things Network Cloud Server.
GTsapparellas 6:3758685f4b75 37 *
GTsapparellas 6:3758685f4b75 38 * - ABP (Activation By Personalization) selected as the activation method over
GTsapparellas 6:3758685f4b75 39 * The Things Network Cloud Server.
GTsapparellas 6:3758685f4b75 40 *
GTsapparellas 6:3758685f4b75 41 * - The Things Network Cloud Server makes playload data available online.
GTsapparellas 6:3758685f4b75 42 *
GTsapparellas 6:3758685f4b75 43 * - Through required integration, The Things Network Cloud Server passes
GTsapparellas 6:3758685f4b75 44 * playload data to All Things Talk Maker API which visualizes the data in
GTsapparellas 6:3758685f4b75 45 * a meaningful way for end-user's reference.
GTsapparellas 6:3758685f4b75 46 *
GTsapparellas 6:3758685f4b75 47 * @Author: Giorgos Tsapparellas
GTsapparellas 6:3758685f4b75 48 * @Revisions:
GTsapparellas 6:3758685f4b75 49 * v0.1 -- sensors gathering on FRDM-K64F
GTsapparellas 6:3758685f4b75 50 * v0.2 -- attach sx1272 and take as a transmitter
GTsapparellas 6:3758685f4b75 51 * v0.3 --
GTsapparellas 6:3758685f4b75 52 *
GTsapparellas 6:3758685f4b75 53 * Porgram available at: 1) GITHUB LINK
GTsapparellas 6:3758685f4b75 54 * 2) MBED LINK
GTsapparellas 6:3758685f4b75 55 *
GTsapparellas 6:3758685f4b75 56 * SEE readME file for instructions of how to compile and run the program.
GTsapparellas 6:3758685f4b75 57 *
GTsapparellas 6:3758685f4b75 58 *******************************************************************************/
GTsapparellas 6:3758685f4b75 59 // ADD revisions and links above
GTsapparellas 6:3758685f4b75 60 // ADD IFDEF, AND events, comments
GTsapparellas 6:3758685f4b75 61 // ADD LED FLASHING
GTsapparellas 6:3758685f4b75 62 // BUTTON PRESSED-RESET SEND A LORA PACKET
GTsapparellas 6:3758685f4b75 63 // ADD to git hub as well
GTsapparellas 6:3758685f4b75 64 // TEST THE CODE IF OK
mluis 1:60184eda0066 65
GTsapparellas 6:3758685f4b75 66 #include <mbed.h>
GTsapparellas 6:3758685f4b75 67 #include <lmic.h>
GTsapparellas 6:3758685f4b75 68 #include <hal.h>
GTsapparellas 6:3758685f4b75 69 #include <SPI.h>
GTsapparellas 6:3758685f4b75 70 #include <DHT.h>
GTsapparellas 6:3758685f4b75 71 #include <debug.h>
mluis 0:a2929fa6e4f0 72
GTsapparellas 6:3758685f4b75 73 ///////////////////////////////////////////////////
GTsapparellas 6:3758685f4b75 74 // DEFINITION DECLARATIONS //
GTsapparellas 6:3758685f4b75 75 /////////////////////////////////////////////////
GTsapparellas 6:3758685f4b75 76
GTsapparellas 6:3758685f4b75 77 #define SINGLE_CHANNEL_GATEWAY // Force it to use 868.1 MHz frequency band only due to Dragino LG01-P LoRa Gateway hardware limitation.
GTsapparellas 6:3758685f4b75 78 #define TRANSMIT_INTERVAL 1800 // Transmit interval in seconds, too often may get traffic ignored.
GTsapparellas 6:3758685f4b75 79 #define DEBUG_LEVEL 0 // Set debug level to 1 for outputting messages to the UART Terminal (e.g. Tera Term).
GTsapparellas 6:3758685f4b75 80 #define ACTIVATION_METHOD 0 // Set activation method to 0 for ABP (Activation By Personalization)
GTsapparellas 6:3758685f4b75 81 // Set activation method to 1 for OTAA (Over The Air Activation)
mluis 0:a2929fa6e4f0 82
GTsapparellas 6:3758685f4b75 83 ///////////////////////////////////////////////////
GTsapparellas 6:3758685f4b75 84 // GLOBAL VARIABLES DECLARATIONS //
GTsapparellas 6:3758685f4b75 85 /////////////////////////////////////////////////
GTsapparellas 6:3758685f4b75 86
GTsapparellas 6:3758685f4b75 87 // Transmit interval in seconds.
GTsapparellas 6:3758685f4b75 88 uint16_t transmit_interval = TRANSMIT_INTERVAL;
mluis 1:60184eda0066 89
GTsapparellas 6:3758685f4b75 90 // Playload frame length of size 8.
GTsapparellas 6:3758685f4b75 91 uint8_t LMIC_FRAME_LENGTH = 8;
GTsapparellas 6:3758685f4b75 92
GTsapparellas 6:3758685f4b75 93 #if ACTIVATION_METHOD == 1 // if OTAA (Over The Air Activation) is applied.
mluis 1:60184eda0066 94
GTsapparellas 6:3758685f4b75 95 // LoRaWAN Application identifier (AppEUI) associated with The Things Network Cloud Server.
GTsapparellas 6:3758685f4b75 96 static const u1_t APPEUI[8] = { 0x70, 0xB3, 0xD5, 0x7E, 0xD0, 0x00, 0xA4, 0x54 };
GTsapparellas 6:3758685f4b75 97
GTsapparellas 6:3758685f4b75 98 // LoRaWAN unique device ID (DevEUI) associated with The Things Network Cloud Server.
GTsapparellas 6:3758685f4b75 99 static const u1_t DEVEUI[8] = { 0x00, 0x1D, 0x45, 0x32, 0xEC, 0xA8, 0x01, 0x59 };
mluis 1:60184eda0066 100
mluis 1:60184eda0066 101 #endif
mluis 1:60184eda0066 102
GTsapparellas 6:3758685f4b75 103 // Acquired activation method
GTsapparellas 6:3758685f4b75 104 #if ACTIVATION_METHOD == 0 // if ABP (Activation By Personalization) is applied.
mluis 1:60184eda0066 105
GTsapparellas 6:3758685f4b75 106 // LoRaWAN network session key (NwkSKey) associated with The Things Network Cloud Server.
GTsapparellas 6:3758685f4b75 107 static const u1_t NWKSKEY[16] = { 0xDF, 0x9B, 0xB1, 0x30, 0xE8, 0x33, 0x42, 0x76, 0x33, 0x0C, 0x88, 0xBB, 0x30, 0xE2, 0xC2, 0xE9 };
mluis 1:60184eda0066 108
GTsapparellas 6:3758685f4b75 109 // LoRaWAN application session key (AppSKey) associated with The Things Network Cloud Server.
GTsapparellas 6:3758685f4b75 110 static const u1_t APPSKEY[16] = { 0xE0, 0x52, 0x18, 0x15, 0x0B, 0xE1, 0xEF, 0x1F, 0xAF, 0x8C, 0x8A, 0x31, 0x09, 0xB9, 0xAB, 0x9C };
mluis 1:60184eda0066 111
GTsapparellas 6:3758685f4b75 112 // LoRaWAN end-device address (DevAddr) associated with The Things Network Cloud Server.
GTsapparellas 6:3758685f4b75 113 static const u4_t DEVADDR = 0x26011B39 ;
mluis 1:60184eda0066 114
mluis 1:60184eda0066 115 #endif
mluis 0:a2929fa6e4f0 116
GTsapparellas 6:3758685f4b75 117 /*On board's LEDs Declaration
GTsapparellas 6:3758685f4b75 118 DigitalOut RED_LED(PTB22); // PTB22 = Red pin -- Indicates an error occur
GTsapparellas 6:3758685f4b75 119 DigitalOut GREEN_LED(PTE26); // PTE26 = Green pin -- Indicates transmission is in progress
GTsapparellas 6:3758685f4b75 120 DigitalOut BLUE_LED(PTB21); // PTB21 = Blue pin -- Indicates MCU is sleeping
GTsapparellas 6:3758685f4b75 121 */
GTsapparellas 6:3758685f4b75 122
GTsapparellas 6:3758685f4b75 123 // Digital Input pin of temperature and humidity sensor set to D6.
GTsapparellas 6:3758685f4b75 124 DHT sensorTempHum(D6, DHT11);
GTsapparellas 6:3758685f4b75 125
GTsapparellas 6:3758685f4b75 126 // Analog Input pin of light intensity sensor set to A1.
GTsapparellas 6:3758685f4b75 127 AnalogIn sensorLight(A1);
GTsapparellas 6:3758685f4b75 128
GTsapparellas 6:3758685f4b75 129 // Analog Input pin of soil moisture sensor set to A3.
GTsapparellas 6:3758685f4b75 130 AnalogIn sensorSoilMoisture(A3);
mluis 0:a2929fa6e4f0 131
GTsapparellas 6:3758685f4b75 132 ///////////////////////////////////////////////////
GTsapparellas 6:3758685f4b75 133 // LOCAL FUNCTIONS DECLARATIONS //
GTsapparellas 6:3758685f4b75 134 /////////////////////////////////////////////////
GTsapparellas 6:3758685f4b75 135
GTsapparellas 6:3758685f4b75 136 /*
GTsapparellas 6:3758685f4b75 137 * getTemperatureHumidity function of type void.
GTsapparellas 6:3758685f4b75 138 *
GTsapparellas 6:3758685f4b75 139 * Gets temperature (celcius) and humidity (relative humidity %)
GTsapparellas 6:3758685f4b75 140 * measurements using DHT library. Otherwise, print an error.
GTsapparellas 6:3758685f4b75 141 *
GTsapparellas 6:3758685f4b75 142 * Input parameters: float temperature
GTsapparellas 6:3758685f4b75 143 * float humidity
GTsapparellas 6:3758685f4b75 144 *
GTsapparellas 6:3758685f4b75 145 */
GTsapparellas 6:3758685f4b75 146 void getTemperatureHumidity(float& temperature, float& humidity) {
mluis 0:a2929fa6e4f0 147
GTsapparellas 6:3758685f4b75 148 // Set err variable to 0 (none).
GTsapparellas 6:3758685f4b75 149 uint8_t err = ERROR_NONE;
GTsapparellas 6:3758685f4b75 150 // Set humidity variable to 0.
GTsapparellas 6:3758685f4b75 151 humidity = 0.0f;
GTsapparellas 6:3758685f4b75 152 // Set temperature variable to 0.
GTsapparellas 6:3758685f4b75 153 temperature = 0.0f;
GTsapparellas 6:3758685f4b75 154
GTsapparellas 6:3758685f4b75 155 // Store sensor data (40 bits(16-bit temperature, 16-bit humidity and 8-bit
GTsapparellas 6:3758685f4b75 156 // CRC checksum)) into err variable.
GTsapparellas 6:3758685f4b75 157 err = sensorTempHum.readData();
GTsapparellas 6:3758685f4b75 158
GTsapparellas 6:3758685f4b75 159 if (err == ERROR_NONE) // if err equals to 0.
GTsapparellas 6:3758685f4b75 160 {
GTsapparellas 6:3758685f4b75 161 // Store float temperature value in celcius.
GTsapparellas 6:3758685f4b75 162 temperature = sensorTempHum.ReadTemperature(CELCIUS);
GTsapparellas 6:3758685f4b75 163 // Store float humidity value.
GTsapparellas 6:3758685f4b75 164 humidity = sensorTempHum.ReadHumidity();
GTsapparellas 6:3758685f4b75 165
GTsapparellas 6:3758685f4b75 166 // Output temperature and humidity values on UART Terminal
GTsapparellas 6:3758685f4b75 167 #if DEBUG_LEVEL == 1
GTsapparellas 6:3758685f4b75 168 printf("Temperature: %4.2f Celsius \r\n", temperature);
GTsapparellas 6:3758685f4b75 169 printf("Humidity: %4.2f % Relative Humidity \r\n", humidity);
GTsapparellas 6:3758685f4b75 170 #endif
GTsapparellas 6:3758685f4b75 171 }
GTsapparellas 6:3758685f4b75 172 else // if err occurs.
GTsapparellas 6:3758685f4b75 173 {
GTsapparellas 6:3758685f4b75 174 // Output error message on UART Terminal and flash the RED LED.
GTsapparellas 6:3758685f4b75 175 #if DEBUG_LEVEL == 1
GTsapparellas 6:3758685f4b75 176 printf("Error: %d\r\n", err);
GTsapparellas 6:3758685f4b75 177 //RED_LED = !RED_LED;
GTsapparellas 6:3758685f4b75 178 #endif
GTsapparellas 6:3758685f4b75 179 }
GTsapparellas 6:3758685f4b75 180 }// end of getTemperatureHumidity function.
mluis 0:a2929fa6e4f0 181
GTsapparellas 6:3758685f4b75 182 /*
GTsapparellas 6:3758685f4b75 183 * getLightIntensity function of type void.
GTsapparellas 6:3758685f4b75 184 *
GTsapparellas 6:3758685f4b75 185 * Gets the light's intensity analogue value at first instance
GTsapparellas 6:3758685f4b75 186 * and then converts it using 16-bit ADC converter into voltage
GTsapparellas 6:3758685f4b75 187 * counting from 0.0 to 5.0.
GTsapparellas 6:3758685f4b75 188 *
GTsapparellas 6:3758685f4b75 189 * Input parameters: float lightIntensityVoltage
GTsapparellas 6:3758685f4b75 190 *
GTsapparellas 6:3758685f4b75 191 */
GTsapparellas 6:3758685f4b75 192 void getLightIntensity(float& lightIntensityVoltage) {
GTsapparellas 6:3758685f4b75 193
GTsapparellas 6:3758685f4b75 194 // Set light intensity voltage variable to 0.
GTsapparellas 6:3758685f4b75 195 lightIntensityVoltage = 0.0f;
GTsapparellas 6:3758685f4b75 196 // Set light intensity analogue value to 0.
GTsapparellas 6:3758685f4b75 197 uint16_t lightIntensityAnalogue = 0;
GTsapparellas 6:3758685f4b75 198
GTsapparellas 6:3758685f4b75 199 // Read light intensity 16-bit analogue value.
GTsapparellas 6:3758685f4b75 200 lightIntensityAnalogue = sensorLight.read_u16();
GTsapparellas 6:3758685f4b75 201 //Convert the light intensity analog reading (which goes from 0 - 65536) to a voltage (0 - 5V).
GTsapparellas 6:3758685f4b75 202 lightIntensityVoltage = (float) lightIntensityAnalogue*(5.0/65536.0);
GTsapparellas 6:3758685f4b75 203
GTsapparellas 6:3758685f4b75 204 // Output light intensity voltage as well as resistance value on UART Terminal.
GTsapparellas 6:3758685f4b75 205 #if DEBUG_LEVEL == 1
GTsapparellas 6:3758685f4b75 206 float resistance = 0.0f;
GTsapparellas 6:3758685f4b75 207 // Groove's calculation for resistance value.
GTsapparellas 6:3758685f4b75 208 resistance = (float)(65536-lightIntensityAnalogue)*10/lightIntensityAnalogue;
GTsapparellas 6:3758685f4b75 209 printf("Light Intensity: %2.2f Volts -- ", lightIntensityVoltage);
GTsapparellas 6:3758685f4b75 210 printf("Resistance: %2.2f Kiloohm \r\n", resistance);
GTsapparellas 6:3758685f4b75 211 #endif
GTsapparellas 6:3758685f4b75 212 }// end of getLightIntensity function.
mluis 0:a2929fa6e4f0 213
GTsapparellas 6:3758685f4b75 214 /*
GTsapparellas 6:3758685f4b75 215 * getSoilMoisture function of type void.
GTsapparellas 6:3758685f4b75 216 *
GTsapparellas 6:3758685f4b75 217 * Gets the soil's moisture analogue value at first instance
GTsapparellas 6:3758685f4b75 218 * and then converts it using 16-bit ADC converter into voltage
GTsapparellas 6:3758685f4b75 219 * counting from 0.0 to 5.0.
GTsapparellas 6:3758685f4b75 220 *
GTsapparellas 6:3758685f4b75 221 * Input parameters: float lightOutputVoltage
mluis 1:60184eda0066 222 *
GTsapparellas 6:3758685f4b75 223 */
GTsapparellas 6:3758685f4b75 224 void getSoilMoisture(float& soilMoistureVoltage) {
GTsapparellas 6:3758685f4b75 225
GTsapparellas 6:3758685f4b75 226 // Set soil moisture voltage variable to 0.
GTsapparellas 6:3758685f4b75 227 soilMoistureVoltage = 0.0f;
GTsapparellas 6:3758685f4b75 228 // Set soil moisture analogue value to 0.
GTsapparellas 6:3758685f4b75 229 uint16_t soilMoistureAnalogue = 0;
GTsapparellas 6:3758685f4b75 230
GTsapparellas 6:3758685f4b75 231 // Read soil moisture 16-bit analogue value.
GTsapparellas 6:3758685f4b75 232 soilMoistureAnalogue = sensorSoilMoisture.read_u16();
GTsapparellas 6:3758685f4b75 233 //Convert the soil moisture analog reading (which goes from 0 - 65536) to a voltage (0 - 5V).
GTsapparellas 6:3758685f4b75 234 soilMoistureVoltage = (float) soilMoistureAnalogue*(5.0/65536.0);
GTsapparellas 6:3758685f4b75 235
GTsapparellas 6:3758685f4b75 236 // Output soil moisture voltage as well as soil moisture analogue value on UART Terminal.
GTsapparellas 6:3758685f4b75 237 #if DEBUG_LEVEL == 1
GTsapparellas 6:3758685f4b75 238 printf("Soil Moisture: %2.2f Volts -- ", soilMoistureVoltage);
GTsapparellas 6:3758685f4b75 239 printf("Analogue Value: %d \r\n", soilMoistureAnalogue);
GTsapparellas 6:3758685f4b75 240 #endif
GTsapparellas 6:3758685f4b75 241 }// end of getSoilMoisture function.
mluis 1:60184eda0066 242
GTsapparellas 6:3758685f4b75 243 ///////////////////////////////////////////////////
GTsapparellas 6:3758685f4b75 244 // LMiC APPLICATION CALLBACKS //
GTsapparellas 6:3758685f4b75 245 /////////////////////////////////////////////////
GTsapparellas 6:3758685f4b75 246 static osjob_t sendjob;
GTsapparellas 6:3758685f4b75 247 unsigned int xmit_count = 1;
mluis 0:a2929fa6e4f0 248
mluis 0:a2929fa6e4f0 249 // provide application router ID (8 bytes, LSBF)
GTsapparellas 6:3758685f4b75 250 void os_getArtEui (u1_t* buf) {
GTsapparellas 6:3758685f4b75 251 #if ACTIVATION_METHOD == 1 // if OTAA (Over The Air Activation) is applied.
GTsapparellas 6:3758685f4b75 252 memcpy(buf, APPEUI, 8);
GTsapparellas 6:3758685f4b75 253 #endif
mluis 0:a2929fa6e4f0 254 }
mluis 0:a2929fa6e4f0 255
mluis 0:a2929fa6e4f0 256 // provide device ID (8 bytes, LSBF)
GTsapparellas 6:3758685f4b75 257 void os_getDevEui (u1_t* buf) {
GTsapparellas 6:3758685f4b75 258 #if ACTIVATION_METHOD == 1 // if OTAA (Over The Air Activation) is applied.
GTsapparellas 6:3758685f4b75 259 memcpy(buf, DEVEUI, 8);
GTsapparellas 6:3758685f4b75 260 #endif
mluis 0:a2929fa6e4f0 261 }
mluis 0:a2929fa6e4f0 262
mluis 0:a2929fa6e4f0 263 // provide device key (16 bytes)
GTsapparellas 6:3758685f4b75 264 void os_getDevKey (u1_t* buf) {
GTsapparellas 6:3758685f4b75 265 memcpy(buf, NWKSKEY, 16);
mluis 0:a2929fa6e4f0 266 }
mluis 0:a2929fa6e4f0 267
GTsapparellas 6:3758685f4b75 268
GTsapparellas 6:3758685f4b75 269 void onEvent (ev_t ev) {
GTsapparellas 6:3758685f4b75 270 debug_event(ev);
mluis 0:a2929fa6e4f0 271
GTsapparellas 6:3758685f4b75 272 switch(ev) {
GTsapparellas 6:3758685f4b75 273 case EV_SCAN_TIMEOUT:
GTsapparellas 6:3758685f4b75 274 printf("EV_SCAN_TIMEOUT\n");
GTsapparellas 6:3758685f4b75 275 break;
GTsapparellas 6:3758685f4b75 276 case EV_BEACON_FOUND:
GTsapparellas 6:3758685f4b75 277 printf("EV_BEACON_FOUND\n");
GTsapparellas 6:3758685f4b75 278 break;
GTsapparellas 6:3758685f4b75 279 case EV_BEACON_MISSED:
GTsapparellas 6:3758685f4b75 280 printf("EV_BEACON_MISSED\n");
GTsapparellas 6:3758685f4b75 281 break;
GTsapparellas 6:3758685f4b75 282 case EV_BEACON_TRACKED:
GTsapparellas 6:3758685f4b75 283 printf("EV_BEACON_TRACKED\n");
GTsapparellas 6:3758685f4b75 284 break;
GTsapparellas 6:3758685f4b75 285 case EV_JOINING:
GTsapparellas 6:3758685f4b75 286 printf("EV_JOINING\n");
GTsapparellas 6:3758685f4b75 287 break;
GTsapparellas 6:3758685f4b75 288 case EV_JOINED:
GTsapparellas 6:3758685f4b75 289 printf("EV_JOINED\n");
GTsapparellas 6:3758685f4b75 290 break;
GTsapparellas 6:3758685f4b75 291 case EV_RFU1:
GTsapparellas 6:3758685f4b75 292 printf("EV_RFU1\n");
GTsapparellas 6:3758685f4b75 293 break;
GTsapparellas 6:3758685f4b75 294 case EV_JOIN_FAILED:
GTsapparellas 6:3758685f4b75 295 printf("EV_JOIN_FAILED\n");
GTsapparellas 6:3758685f4b75 296 break;
GTsapparellas 6:3758685f4b75 297 case EV_REJOIN_FAILED:
GTsapparellas 6:3758685f4b75 298 printf("EV_REJOIN_FAILED\n");
GTsapparellas 6:3758685f4b75 299 break;
GTsapparellas 6:3758685f4b75 300 case EV_TXCOMPLETE:
GTsapparellas 6:3758685f4b75 301 printf("EV_TXCOMPLETE (waiting for RX windows)\n");
GTsapparellas 6:3758685f4b75 302 if (LMIC.txrxFlags & TXRX_ACK)
mluis 0:a2929fa6e4f0 303 {
GTsapparellas 6:3758685f4b75 304 printf("Received ack\n");
GTsapparellas 6:3758685f4b75 305 }
GTsapparellas 6:3758685f4b75 306 if(LMIC.dataLen)
GTsapparellas 6:3758685f4b75 307 { // data received in rx slot after tx
GTsapparellas 6:3758685f4b75 308 printf("Received ");
GTsapparellas 6:3758685f4b75 309 printf("%u", LMIC.dataLen);
GTsapparellas 6:3758685f4b75 310 printf(" bytes of payload\n");
mluis 0:a2929fa6e4f0 311 }
mluis 0:a2929fa6e4f0 312 break;
GTsapparellas 6:3758685f4b75 313 case EV_LOST_TSYNC:
GTsapparellas 6:3758685f4b75 314 printf("EV_LOST_TSYNC\n");
GTsapparellas 6:3758685f4b75 315 break;
GTsapparellas 6:3758685f4b75 316 case EV_RESET:
GTsapparellas 6:3758685f4b75 317 printf("EV_RESET\n");
GTsapparellas 6:3758685f4b75 318 break;
GTsapparellas 6:3758685f4b75 319 case EV_RXCOMPLETE:
GTsapparellas 6:3758685f4b75 320 // data received in ping slot
GTsapparellas 6:3758685f4b75 321 printf("EV_RXCOMPLETE\n");
mluis 0:a2929fa6e4f0 322 break;
GTsapparellas 6:3758685f4b75 323 case EV_LINK_DEAD:
GTsapparellas 6:3758685f4b75 324 printf("EV_LINK_DEAD\n");
GTsapparellas 6:3758685f4b75 325 break;
GTsapparellas 6:3758685f4b75 326 case EV_LINK_ALIVE:
GTsapparellas 6:3758685f4b75 327 printf("EV_LINK_ALIVE\n");
GTsapparellas 6:3758685f4b75 328 break;
GTsapparellas 6:3758685f4b75 329 default:
GTsapparellas 6:3758685f4b75 330 printf("Unknown event\n");
GTsapparellas 6:3758685f4b75 331 break;
mluis 0:a2929fa6e4f0 332 }
mluis 0:a2929fa6e4f0 333 }
mluis 0:a2929fa6e4f0 334
mluis 0:a2929fa6e4f0 335
GTsapparellas 6:3758685f4b75 336 void transmit(osjob_t* j){
GTsapparellas 6:3758685f4b75 337 //printf("txCnhl: %u , Channel Ready? ", LMIC.txChnl);
GTsapparellas 6:3758685f4b75 338 if (LMIC.opmode & (1 << 7))
GTsapparellas 6:3758685f4b75 339 {
GTsapparellas 6:3758685f4b75 340 printf("NO, waiting...\n\n");
GTsapparellas 6:3758685f4b75 341 }
GTsapparellas 6:3758685f4b75 342 else
GTsapparellas 6:3758685f4b75 343 {
GTsapparellas 6:3758685f4b75 344 //printf("YES, sensor readings...\n\n");
GTsapparellas 6:3758685f4b75 345 // Prepare upstream data transmission at the next possible time.
GTsapparellas 6:3758685f4b75 346 // LMIC_setTxData2(1, mydata, sizeof(mydata)-1, 0);
GTsapparellas 6:3758685f4b75 347
GTsapparellas 6:3758685f4b75 348 float temperature, humidity, lightIntensity, soilMoisture;
GTsapparellas 6:3758685f4b75 349 getTemperatureHumidity(temperature, humidity);
GTsapparellas 6:3758685f4b75 350 getLightIntensity(lightIntensity);
GTsapparellas 6:3758685f4b75 351 getSoilMoisture(soilMoisture);
mluis 1:60184eda0066 352
GTsapparellas 6:3758685f4b75 353 int16_t temp = temperature*100;
GTsapparellas 6:3758685f4b75 354 int16_t hum = humidity*100;
GTsapparellas 6:3758685f4b75 355 int16_t light = lightIntensity*100;
GTsapparellas 6:3758685f4b75 356 int16_t soil = soilMoisture*100;
GTsapparellas 6:3758685f4b75 357
GTsapparellas 6:3758685f4b75 358 //printf(" ----->Preparing packet...\n");
GTsapparellas 6:3758685f4b75 359
GTsapparellas 6:3758685f4b75 360 LMIC.frame[0] = temp >> 8;
GTsapparellas 6:3758685f4b75 361 LMIC.frame[1] = temp & 0xFF;
GTsapparellas 6:3758685f4b75 362 LMIC.frame[2] = hum >> 8;
GTsapparellas 6:3758685f4b75 363 LMIC.frame[3] = hum & 0xFF;
GTsapparellas 6:3758685f4b75 364 LMIC.frame[4] = light >> 8;
GTsapparellas 6:3758685f4b75 365 LMIC.frame[5] = light & 0xFF;
GTsapparellas 6:3758685f4b75 366 LMIC.frame[6] = soil >> 8;
GTsapparellas 6:3758685f4b75 367 LMIC.frame[7] = soil & 0xFF;
GTsapparellas 6:3758685f4b75 368
GTsapparellas 6:3758685f4b75 369 //printf(" ----->Packet READY\n\n");
GTsapparellas 6:3758685f4b75 370 LMIC_setTxData2(1, LMIC.frame, 8, 0);
GTsapparellas 6:3758685f4b75 371 //printf(" ----->Sending packet %u of byte size %u\n\n", xmit_count++, LMIC_FRAME_LENGTH);
GTsapparellas 6:3758685f4b75 372 }
GTsapparellas 6:3758685f4b75 373 // Schedule a timed job to run at the given timestamp (absolute system time)
GTsapparellas 6:3758685f4b75 374 os_setTimedCallback(j, os_getTime()+sec2osticks(TRANSMIT_INTERVAL), transmit);
mluis 1:60184eda0066 375
mluis 0:a2929fa6e4f0 376 }
mluis 0:a2929fa6e4f0 377
GTsapparellas 6:3758685f4b75 378 void setUp() {
GTsapparellas 6:3758685f4b75 379
GTsapparellas 6:3758685f4b75 380 //printf("IoT smart monitoring device for agriculture using LoRaWAN technology\n\n");
GTsapparellas 6:3758685f4b75 381 //printf("setting up\n");
mluis 0:a2929fa6e4f0 382
GTsapparellas 6:3758685f4b75 383 os_init();
GTsapparellas 6:3758685f4b75 384 //printf("MBED_OS_INIT\n\n");
GTsapparellas 6:3758685f4b75 385 //printf("os_init\n");
GTsapparellas 6:3758685f4b75 386
GTsapparellas 6:3758685f4b75 387 // Reset the MAC state. Session and pending data transfers will be discarded.
GTsapparellas 6:3758685f4b75 388 LMIC_reset();
GTsapparellas 6:3758685f4b75 389
GTsapparellas 6:3758685f4b75 390 // Set static session parameters. Instead of dynamically establishing a session
GTsapparellas 6:3758685f4b75 391 // by joining the network, precomputed session parameters are be provided.
GTsapparellas 6:3758685f4b75 392 LMIC_setSession (0x1, DEVADDR, (uint8_t*)NWKSKEY, (uint8_t*)APPSKEY);
GTsapparellas 6:3758685f4b75 393
GTsapparellas 6:3758685f4b75 394 // Disable data rate adaptation
GTsapparellas 6:3758685f4b75 395 LMIC_setAdrMode(0);
GTsapparellas 6:3758685f4b75 396
GTsapparellas 6:3758685f4b75 397 // Disable link check validation
GTsapparellas 6:3758685f4b75 398 LMIC_setLinkCheckMode(0);
GTsapparellas 6:3758685f4b75 399
GTsapparellas 6:3758685f4b75 400 // Disable beacon tracking
GTsapparellas 6:3758685f4b75 401 LMIC_disableTracking ();
GTsapparellas 6:3758685f4b75 402
GTsapparellas 6:3758685f4b75 403 // Stop listening for downstream data (periodical reception)
GTsapparellas 6:3758685f4b75 404 LMIC_stopPingable();
GTsapparellas 6:3758685f4b75 405
GTsapparellas 6:3758685f4b75 406 // Set data rate and transmit power (note: txpow seems to be ignored by the library)
GTsapparellas 6:3758685f4b75 407 LMIC_setDrTxpow(DR_SF7,14);
GTsapparellas 6:3758685f4b75 408
GTsapparellas 6:3758685f4b75 409 //printf("LMiC_LoRa_MAC_INIT\n\n");
mluis 0:a2929fa6e4f0 410
GTsapparellas 6:3758685f4b75 411 fflush(stdout);
GTsapparellas 6:3758685f4b75 412 #ifdef SINGLE_CHANNEL_GATEWAY
GTsapparellas 6:3758685f4b75 413 //printf(" ----->Disabling all channels but 0 (868.1 MHz) for single-channel gateway compatibility\n\n\n");
GTsapparellas 6:3758685f4b75 414 for (int i=1; i<16; i++)
GTsapparellas 6:3758685f4b75 415 LMIC_disableChannel(i);
GTsapparellas 6:3758685f4b75 416 #endif
GTsapparellas 6:3758685f4b75 417 //printf("//////////Entering into TIME-TRIGGERED packet sending through LoRaWAN//////////\n");
GTsapparellas 6:3758685f4b75 418 //printf("---------------------Packets to be sent every %u seconds----------------------\n\n", transmit_interval);
mluis 0:a2929fa6e4f0 419 }
GTsapparellas 6:3758685f4b75 420
GTsapparellas 6:3758685f4b75 421 void loop() {
GTsapparellas 6:3758685f4b75 422
GTsapparellas 6:3758685f4b75 423 transmit(&sendjob);
GTsapparellas 6:3758685f4b75 424
GTsapparellas 6:3758685f4b75 425 while(1) {
GTsapparellas 6:3758685f4b75 426 os_runloop_once();
GTsapparellas 6:3758685f4b75 427 wait_ms(20);
GTsapparellas 6:3758685f4b75 428 }
GTsapparellas 6:3758685f4b75 429 }
GTsapparellas 6:3758685f4b75 430
GTsapparellas 6:3758685f4b75 431 int main(int argc, char **argv) {
GTsapparellas 6:3758685f4b75 432 setUp();
GTsapparellas 6:3758685f4b75 433 while(1) loop();
GTsapparellas 6:3758685f4b75 434 }