Lukas Formanek / Mbed 2 deprecated LoRa_Access_Point

LoRa Access Point 1.5.2018

Dependencies:   mbed ds3231 SX1276Lib_LoRa_Access_Point

RFM95W.h@4:e20eb5efd859, 2018-04-30 (annotated)

Committer:
lukas_formanek
Date:
Mon Apr 30 17:09:34 2018 +0000
Revision:
4:e20eb5efd859
Parent:
3:7a3ddda464bf
Child:
5:19b34c4d27a1
30.4.2018

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lukas_formanek 0:ea088908ad26 1 #ifndef RFM95W_H
lukas_formanek 0:ea088908ad26 2 #define RFM95W_H
lukas_formanek 0:ea088908ad26 3
lukas_formanek 0:ea088908ad26 4 #include "mbed.h"
lukas_formanek 0:ea088908ad26 5 #include "sx1276-hal.h"
lukas_formanek 0:ea088908ad26 6 #include "ESP8266.h"
lukas_formanek 1:7543af31b91f 7 #include "Board.h"
lukas_formanek 0:ea088908ad26 8
lukas_formanek 0:ea088908ad26 9 #define GATEWAY_ID 1 // Moja adresa (id)
lukas_formanek 0:ea088908ad26 10
lukas_formanek 0:ea088908ad26 11 ////////////////////////////////////////////////////////////////////////////////
lukas_formanek 0:ea088908ad26 12 ////////////////////////////////////////////////////////////////////////////////
lukas_formanek 0:ea088908ad26 13 /* Set this flag to '1' to display debug messages on the console */
lukas_formanek 0:ea088908ad26 14 #define DEBUG_MESSAGE 0
lukas_formanek 0:ea088908ad26 15
lukas_formanek 0:ea088908ad26 16 /* Set this flag to '1' to use the LoRa modulation or to '0' to use FSK modulation */
lukas_formanek 0:ea088908ad26 17 #define USE_MODEM_LORA 1
lukas_formanek 0:ea088908ad26 18 #define USE_MODEM_FSK !USE_MODEM_LORA
lukas_formanek 0:ea088908ad26 19
lukas_formanek 0:ea088908ad26 20 #define RF_FREQUENCY 869525000 //868000000 // Hz
lukas_formanek 0:ea088908ad26 21 #define TX_OUTPUT_POWER 20 // 20 dBm
lukas_formanek 0:ea088908ad26 22
lukas_formanek 0:ea088908ad26 23 #if USE_MODEM_LORA == 1
lukas_formanek 0:ea088908ad26 24 // Max range, slow data rate = BW=125, CR=4/5, SF=12
lukas_formanek 0:ea088908ad26 25 #define LORA_BANDWIDTH 1 // [0: 125 kHz,
lukas_formanek 0:ea088908ad26 26 // 1: 250 kHz,
lukas_formanek 0:ea088908ad26 27 // 2: 500 kHz,
lukas_formanek 0:ea088908ad26 28 // 3: Reserved]
lukas_formanek 0:ea088908ad26 29 #define LORA_SPREADING_FACTOR 12 // [SF7..SF12]
lukas_formanek 0:ea088908ad26 30 #define LORA_CODINGRATE 1 // [1: 4/5,
lukas_formanek 0:ea088908ad26 31 // 2: 4/6,
lukas_formanek 0:ea088908ad26 32 // 3: 4/7,
lukas_formanek 0:ea088908ad26 33 // 4: 4/8]
lukas_formanek 0:ea088908ad26 34 #define LORA_PREAMBLE_LENGTH 8 // Same for Tx and Rx
lukas_formanek 0:ea088908ad26 35 #define LORA_SYMBOL_TIMEOUT 5 // Symbols
lukas_formanek 0:ea088908ad26 36 #define LORA_FIX_LENGTH_PAYLOAD_ON false
lukas_formanek 0:ea088908ad26 37 #define LORA_FHSS_ENABLED false
lukas_formanek 0:ea088908ad26 38 #define LORA_NB_SYMB_HOP 4
lukas_formanek 0:ea088908ad26 39 #define LORA_IQ_INVERSION_ON false
lukas_formanek 0:ea088908ad26 40 #define LORA_CRC_ENABLED true
lukas_formanek 0:ea088908ad26 41
lukas_formanek 0:ea088908ad26 42 #elif USE_MODEM_FSK == 1
lukas_formanek 0:ea088908ad26 43
lukas_formanek 0:ea088908ad26 44 #define FSK_FDEV 25000 // Hz
lukas_formanek 0:ea088908ad26 45 #define FSK_DATARATE 19200 // bps
lukas_formanek 0:ea088908ad26 46 #define FSK_BANDWIDTH 50000 // Hz
lukas_formanek 0:ea088908ad26 47 #define FSK_AFC_BANDWIDTH 83333 // Hz
lukas_formanek 0:ea088908ad26 48 #define FSK_PREAMBLE_LENGTH 5 // Same for Tx and Rx
lukas_formanek 0:ea088908ad26 49 #define FSK_FIX_LENGTH_PAYLOAD_ON false
lukas_formanek 0:ea088908ad26 50 #define FSK_CRC_ENABLED true
lukas_formanek 0:ea088908ad26 51
lukas_formanek 0:ea088908ad26 52 #else
lukas_formanek 0:ea088908ad26 53 #error "Please define a modem in the compiler options."
lukas_formanek 0:ea088908ad26 54 #endif
lukas_formanek 0:ea088908ad26 55
lukas_formanek 0:ea088908ad26 56 #define RX_TIMEOUT_VALUE 2500000 // in us // 3500000
lukas_formanek 0:ea088908ad26 57 #define BUFF_SIZE 255 // Define the payload size here // 32
lukas_formanek 2:0499e1d037a5 58 #define MAX_DEVICES 255
lukas_formanek 4:e20eb5efd859 59 #define MAX_RESENDS 4
lukas_formanek 0:ea088908ad26 60 //------------------------------------------------------------------------------
lukas_formanek 0:ea088908ad26 61 //------------------------------------------------------------------------------
lukas_formanek 0:ea088908ad26 62
lukas_formanek 0:ea088908ad26 63 class RFM95W
lukas_formanek 0:ea088908ad26 64 {
lukas_formanek 0:ea088908ad26 65 private:
lukas_formanek 0:ea088908ad26 66 RadioEvents_t radioEvents; /**< Radio events function pointer */
lukas_formanek 0:ea088908ad26 67 SX1276MB1xAS radio; /**< Radiovy modul */
lukas_formanek 0:ea088908ad26 68 DigitalOut indicationLed; /**< Indikacna led */
lukas_formanek 3:7a3ddda464bf 69 AnalogIn noise;
lukas_formanek 0:ea088908ad26 70 Ticker ledTicker;
lukas_formanek 3:7a3ddda464bf 71 Ticker sendTicker;
lukas_formanek 3:7a3ddda464bf 72 Ticker ackTicker;
lukas_formanek 3:7a3ddda464bf 73
lukas_formanek 1:7543af31b91f 74 uint8_t receivedMessage[BUFF_SIZE];
lukas_formanek 3:7a3ddda464bf 75 uint8_t sendBuffer[BUFF_SIZE];
lukas_formanek 3:7a3ddda464bf 76 uint8_t ack[3];
lukas_formanek 0:ea088908ad26 77 volatile uint8_t messageNumbers[MAX_DEVICES];
lukas_formanek 3:7a3ddda464bf 78 volatile uint8_t messageNumber; /**< My message number */
lukas_formanek 0:ea088908ad26 79 volatile uint8_t ledState;
lukas_formanek 0:ea088908ad26 80 volatile float timeOnAirSec;
lukas_formanek 3:7a3ddda464bf 81 volatile bool receivedAck;
lukas_formanek 3:7a3ddda464bf 82 volatile bool sendingAck;
lukas_formanek 3:7a3ddda464bf 83 volatile uint8_t sendCounter;
lukas_formanek 0:ea088908ad26 84
lukas_formanek 3:7a3ddda464bf 85 float CalculateRandomTime();
lukas_formanek 3:7a3ddda464bf 86 void InitRandom();
lukas_formanek 0:ea088908ad26 87 void OnLedTick();
lukas_formanek 3:7a3ddda464bf 88 void SendMessage();
lukas_formanek 0:ea088908ad26 89 void SendAck(uint8_t addr, uint8_t messageNumber);
lukas_formanek 3:7a3ddda464bf 90 void OnCheckAck();
lukas_formanek 3:7a3ddda464bf 91 void OnSendAgain();
lukas_formanek 0:ea088908ad26 92 public:
lukas_formanek 0:ea088908ad26 93 RFM95W();
lukas_formanek 0:ea088908ad26 94 void Init();
lukas_formanek 0:ea088908ad26 95 void OnTxDone( void );
lukas_formanek 0:ea088908ad26 96 void OnRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr );
lukas_formanek 0:ea088908ad26 97 void OnTxTimeout( void );
lukas_formanek 0:ea088908ad26 98 void OnRxTimeout( void );
lukas_formanek 0:ea088908ad26 99 void OnRxError( void );
lukas_formanek 3:7a3ddda464bf 100 void OnCadDone( bool channelActivityDetected );
lukas_formanek 3:7a3ddda464bf 101 void SendValue(uint8_t addr, float value);
lukas_formanek 4:e20eb5efd859 102 void SendValue(uint8_t addr, int value);
lukas_formanek 4:e20eb5efd859 103 void SendMessage(char* message);
lukas_formanek 0:ea088908ad26 104 };
lukas_formanek 0:ea088908ad26 105 extern RFM95W rfm;
lukas_formanek 0:ea088908ad26 106
lukas_formanek 0:ea088908ad26 107 #endif