Rishin Amin / Mbed 2 deprecated Dinghy_RaceTrak_Node_GPS_with_LoRa

GPS working with LoRa code - can't transmit faster that once every 6 seconds

Dependencies:   mbed LoRaWAN-lib_gps_lora SingleFrequencyLora

app/main.cpp@13:66d854ad31d8, 2017-11-24 (annotated)

Committer:
Rishin
Date:
Fri Nov 24 15:20:12 2017 +0000
Revision:
13:66d854ad31d8
Child:
14:9e41438308eb
Valid GPS data sent over LoRa for roughly 7 mins with no crash

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Rishin 13:66d854ad31d8 1 /*
Rishin 13:66d854ad31d8 2 / _____) _ | |
Rishin 13:66d854ad31d8 3 ( (____ _____ ____ _| |_ _____ ____| |__
Rishin 13:66d854ad31d8 4 \____ \| ___ | (_ _) ___ |/ ___) _ \
Rishin 13:66d854ad31d8 5 _____) ) ____| | | || |_| ____( (___| | | |
Rishin 13:66d854ad31d8 6 (______/|_____)_|_|_| \__)_____)\____)_| |_|
Rishin 13:66d854ad31d8 7 (C)2015 Semtech
Rishin 13:66d854ad31d8 8
Rishin 13:66d854ad31d8 9 Description: LoRaMac classA device implementation
Rishin 13:66d854ad31d8 10
Rishin 13:66d854ad31d8 11 License: Revised BSD License, see LICENSE.TXT file include in the project
Rishin 13:66d854ad31d8 12
Rishin 13:66d854ad31d8 13 Maintainer: Miguel Luis and Gregory Cristian
Rishin 13:66d854ad31d8 14 */
Rishin 13:66d854ad31d8 15 #include "mbed.h"
Rishin 13:66d854ad31d8 16 #include "board.h"
Rishin 13:66d854ad31d8 17 #include "radio.h"
Rishin 13:66d854ad31d8 18 #include "LoRaMac.h"
Rishin 13:66d854ad31d8 19
Rishin 13:66d854ad31d8 20
Rishin 13:66d854ad31d8 21 #define APPDATA_SIZE 54
Rishin 13:66d854ad31d8 22 #define LORAWAN_DEFAULT_DATARATE DR_0
Rishin 13:66d854ad31d8 23 #define LORAWAN_DEVICE_ADDRESS ( uint32_t )0x01234567
Rishin 13:66d854ad31d8 24 #define LORAWAN_NWKSKEY { 0x11, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01 }
Rishin 13:66d854ad31d8 25 #define LORAWAN_APPSKEY { 0x11, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01 }
Rishin 13:66d854ad31d8 26
Rishin 13:66d854ad31d8 27 uint8_t AppData[APPDATA_SIZE];
Rishin 13:66d854ad31d8 28 static uint8_t NwkSKey[] = LORAWAN_NWKSKEY;
Rishin 13:66d854ad31d8 29 static uint8_t AppSKey[] = LORAWAN_APPSKEY;
Rishin 13:66d854ad31d8 30
Rishin 13:66d854ad31d8 31
Rishin 13:66d854ad31d8 32 #include "mbed.h"
Rishin 13:66d854ad31d8 33 #include "l86.hpp"
Rishin 13:66d854ad31d8 34
Rishin 13:66d854ad31d8 35
Rishin 13:66d854ad31d8 36 // #ifdef DEBUGGER
Rishin 13:66d854ad31d8 37 // RawSerial pc(PC_TX, PC_RX); // USART2
Rishin 13:66d854ad31d8 38 // #endif
Rishin 13:66d854ad31d8 39
Rishin 13:66d854ad31d8 40 RawSerial gps(GPS_TX, GPS_RX); // USART1
Rishin 13:66d854ad31d8 41
Rishin 13:66d854ad31d8 42 // DigitalOut Reset(RESET_PIN);
Rishin 13:66d854ad31d8 43 // DigitalOut Force_on(FORCE_ON_PIN);
Rishin 13:66d854ad31d8 44 DigitalOut GPS_status(GPS_STATUS_LED);
Rishin 13:66d854ad31d8 45 // DigitalIn OnePPS(ONEPPS_PIN);
Rishin 13:66d854ad31d8 46
Rishin 13:66d854ad31d8 47 RMC_data RMC;
Rishin 13:66d854ad31d8 48 GPS_data GPS_parse;
Rishin 13:66d854ad31d8 49 volatile int Char_index = 0; // index for char array
Rishin 13:66d854ad31d8 50 char Rx_data[MAX_NMEA_LENGTH] = "0"; // char array to store received bytes
Rishin 13:66d854ad31d8 51 char tx_line[82];
Rishin 13:66d854ad31d8 52 uint8_t valid = 0;
Rishin 13:66d854ad31d8 53 volatile uint8_t GPS_data_ready = 0;
Rishin 13:66d854ad31d8 54 volatile uint8_t sending = 0;
Rishin 13:66d854ad31d8 55
Rishin 13:66d854ad31d8 56 Ticker LoRaSend_timer;
Rishin 13:66d854ad31d8 57
Rishin 13:66d854ad31d8 58 void gps_receive(void) {
Rishin 13:66d854ad31d8 59 // Note: you need to actually read from the serial to clear the RX interrupt
Rishin 13:66d854ad31d8 60 while(gps.readable()) {
Rishin 13:66d854ad31d8 61 char incoming = gps.getc();
Rishin 13:66d854ad31d8 62 // #ifdef DEBUGGER
Rishin 13:66d854ad31d8 63 // pc.putc(incoming);
Rishin 13:66d854ad31d8 64 // #endif
Rishin 13:66d854ad31d8 65 Rx_data[Char_index] = incoming;
Rishin 13:66d854ad31d8 66
Rishin 13:66d854ad31d8 67 if((Rx_data[Char_index] == '\n')){ // Received the end of an NMEA scentence
Rishin 13:66d854ad31d8 68 if((strncmp(GPRMC_Tag,Rx_data,(sizeof(GPRMC_Tag)-1)) == 0) || (strncmp(GNRMC_Tag,Rx_data,(sizeof(GNRMC_Tag)-1)) == 0)){
Rishin 13:66d854ad31d8 69 RMC = Parse_RMC_sentence(Rx_data);
Rishin 13:66d854ad31d8 70 if(strcmp(RMC.Status, "A") == 0){
Rishin 13:66d854ad31d8 71 // GPS_status = 0; // Turn status LED off
Rishin 13:66d854ad31d8 72 valid = 1;
Rishin 13:66d854ad31d8 73 // GPS_parse = Parse_RMC_data(RMC); // Parse into format suitable for Tom (Dinghy_RaceTrak software)
Rishin 13:66d854ad31d8 74 // Call function to send using LoRa module
Rishin 13:66d854ad31d8 75 }
Rishin 13:66d854ad31d8 76 else{
Rishin 13:66d854ad31d8 77 // GPS_status = 1;
Rishin 13:66d854ad31d8 78 // Send "No GPS fix" over LoRa?
Rishin 13:66d854ad31d8 79 }
Rishin 13:66d854ad31d8 80
Rishin 13:66d854ad31d8 81 // delete these lines
Rishin 13:66d854ad31d8 82 if (sending){
Rishin 13:66d854ad31d8 83 Char_index = 0;
Rishin 13:66d854ad31d8 84 memset(Rx_data,0,sizeof(Rx_data));
Rishin 13:66d854ad31d8 85 return;
Rishin 13:66d854ad31d8 86 }
Rishin 13:66d854ad31d8 87 GPS_data_ready = 0;
Rishin 13:66d854ad31d8 88 GPS_parse = Parse_RMC_data(RMC); // Parse into format suitable for Tom (Dinghy_RaceTrak software)
Rishin 13:66d854ad31d8 89 GPS_data_ready = 1;
Rishin 13:66d854ad31d8 90
Rishin 13:66d854ad31d8 91
Rishin 13:66d854ad31d8 92 }
Rishin 13:66d854ad31d8 93 Char_index = 0;
Rishin 13:66d854ad31d8 94 memset(Rx_data,0,sizeof(Rx_data));
Rishin 13:66d854ad31d8 95 }
Rishin 13:66d854ad31d8 96 else
Rishin 13:66d854ad31d8 97 Char_index++;
Rishin 13:66d854ad31d8 98 }
Rishin 13:66d854ad31d8 99 return;
Rishin 13:66d854ad31d8 100 // store chars into a string then process into LAT, LONG, SOG, COG & DATETIME, VALID/INVLAID
Rishin 13:66d854ad31d8 101 }
Rishin 13:66d854ad31d8 102
Rishin 13:66d854ad31d8 103 void LoRaSend(){
Rishin 13:66d854ad31d8 104 if(GPS_data_ready == 1){
Rishin 13:66d854ad31d8 105 sending = 1;
Rishin 13:66d854ad31d8 106 char AppDatas[APPDATA_SIZE+2]="h";
Rishin 13:66d854ad31d8 107 strcat(AppDatas, GPS_parse.Latitude);
Rishin 13:66d854ad31d8 108 strcat(AppDatas, ",");
Rishin 13:66d854ad31d8 109 strcat(AppDatas, GPS_parse.Longitude);
Rishin 13:66d854ad31d8 110 strcat(AppDatas, ",");
Rishin 13:66d854ad31d8 111 strcat(AppDatas, GPS_parse.Course_Over_Ground);
Rishin 13:66d854ad31d8 112 strcat(AppDatas, ",");
Rishin 13:66d854ad31d8 113 strcat(AppDatas, GPS_parse.Speed_Over_Ground);
Rishin 13:66d854ad31d8 114 strcat(AppDatas, ",");
Rishin 13:66d854ad31d8 115 strcat(AppDatas, GPS_parse.Date);
Rishin 13:66d854ad31d8 116 strcat(AppDatas, ",");
Rishin 13:66d854ad31d8 117 strcat(AppDatas, GPS_parse.UTC_Time);
Rishin 13:66d854ad31d8 118 strcat(AppDatas, ",");
Rishin 13:66d854ad31d8 119 strcat(AppDatas, GPS_parse.Valid);
Rishin 13:66d854ad31d8 120
Rishin 13:66d854ad31d8 121 McpsReq_t mcpsReq;
Rishin 13:66d854ad31d8 122
Rishin 13:66d854ad31d8 123 uint8_t AppPort = 3;
Rishin 13:66d854ad31d8 124 mcpsReq.Type = MCPS_UNCONFIRMED;
Rishin 13:66d854ad31d8 125 mcpsReq.Req.Unconfirmed.fPort = AppPort;
Rishin 13:66d854ad31d8 126 mcpsReq.Req.Unconfirmed.fBuffer = AppDatas;
Rishin 13:66d854ad31d8 127 mcpsReq.Req.Unconfirmed.fBufferSize = APPDATA_SIZE+2;
Rishin 13:66d854ad31d8 128 mcpsReq.Req.Unconfirmed.Datarate = DR_5;
Rishin 13:66d854ad31d8 129 // status = !status;
Rishin 13:66d854ad31d8 130 GPS_status = !GPS_status;
Rishin 13:66d854ad31d8 131 LoRaMacMcpsRequest( &mcpsReq );
Rishin 13:66d854ad31d8 132 GPS_data_ready = 0;
Rishin 13:66d854ad31d8 133 // Ready_for_more = 1;
Rishin 13:66d854ad31d8 134 }
Rishin 13:66d854ad31d8 135 sending = 0;
Rishin 13:66d854ad31d8 136 }
Rishin 13:66d854ad31d8 137
Rishin 13:66d854ad31d8 138 void McpsConfirm( McpsConfirm_t *mcpsConfirm )
Rishin 13:66d854ad31d8 139 {
Rishin 13:66d854ad31d8 140 return;
Rishin 13:66d854ad31d8 141 }
Rishin 13:66d854ad31d8 142
Rishin 13:66d854ad31d8 143 void McpsIndication( McpsIndication_t *mcpsIndication )
Rishin 13:66d854ad31d8 144 {
Rishin 13:66d854ad31d8 145 return;
Rishin 13:66d854ad31d8 146 }
Rishin 13:66d854ad31d8 147
Rishin 13:66d854ad31d8 148
Rishin 13:66d854ad31d8 149 int main( void )
Rishin 13:66d854ad31d8 150 {
Rishin 13:66d854ad31d8 151 //Initialise firmware
Rishin 13:66d854ad31d8 152
Rishin 13:66d854ad31d8 153 LoRaMacPrimitives_t LoRaMacPrimitives;
Rishin 13:66d854ad31d8 154 LoRaMacCallback_t LoRaMacCallbacks;
Rishin 13:66d854ad31d8 155 MibRequestConfirm_t mibReq;
Rishin 13:66d854ad31d8 156
Rishin 13:66d854ad31d8 157 LoRaMacPrimitives.MacMcpsConfirm = McpsConfirm;
Rishin 13:66d854ad31d8 158 LoRaMacPrimitives.MacMcpsIndication = McpsIndication;
Rishin 13:66d854ad31d8 159 // LoRaMacPrimitives.MacMlmeConfirm = McpsConfirm;
Rishin 13:66d854ad31d8 160 LoRaMacInitialization( &LoRaMacPrimitives, &LoRaMacCallbacks );
Rishin 13:66d854ad31d8 161
Rishin 13:66d854ad31d8 162 LoRaMacChannelAdd( 3, ( ChannelParams_t ){ 869400000, { ( ( DR_5 << 4 ) | DR_5 ) }, 3 } );
Rishin 13:66d854ad31d8 163 //LoRaMacChannelAdd( 4, ( ChannelParams_t ){ 867300000, { ( ( DR_5 << 4 ) | DR_0 ) }, 0 } );
Rishin 13:66d854ad31d8 164 //LoRaMacChannelAdd( 5, ( ChannelParams_t ){ 867500000, { ( ( DR_5 << 4 ) | DR_0 ) }, 0 } );
Rishin 13:66d854ad31d8 165 //LoRaMacChannelAdd( 6, ( ChannelParams_t ){ 867700000, { ( ( DR_5 << 4 ) | DR_0 ) }, 0 } );
Rishin 13:66d854ad31d8 166 //LoRaMacChannelAdd( 7, ( ChannelParams_t ){ 867900000, { ( ( DR_5 << 4 ) | DR_0 ) }, 0 } );
Rishin 13:66d854ad31d8 167 //LoRaMacChannelAdd( 8, ( ChannelParams_t ){ 868800000, { ( ( DR_7 << 4 ) | DR_7 ) }, 2 } );
Rishin 13:66d854ad31d8 168 //LoRaMacChannelAdd( 9, ( ChannelParams_t ){ 868300000, { ( ( DR_6 << 4 ) | DR_6 ) }, 1 } );
Rishin 13:66d854ad31d8 169
Rishin 13:66d854ad31d8 170 //Join ABP
Rishin 13:66d854ad31d8 171
Rishin 13:66d854ad31d8 172 mibReq.Type = MIB_NET_ID;
Rishin 13:66d854ad31d8 173 mibReq.Param.NetID = 0;
Rishin 13:66d854ad31d8 174 LoRaMacMibSetRequestConfirm( &mibReq );
Rishin 13:66d854ad31d8 175
Rishin 13:66d854ad31d8 176 mibReq.Type = MIB_DEV_ADDR;
Rishin 13:66d854ad31d8 177 mibReq.Param.DevAddr = LORAWAN_DEVICE_ADDRESS;
Rishin 13:66d854ad31d8 178 LoRaMacMibSetRequestConfirm( &mibReq );
Rishin 13:66d854ad31d8 179
Rishin 13:66d854ad31d8 180 mibReq.Type = MIB_NWK_SKEY;
Rishin 13:66d854ad31d8 181 mibReq.Param.NwkSKey = NwkSKey;
Rishin 13:66d854ad31d8 182 LoRaMacMibSetRequestConfirm( &mibReq );
Rishin 13:66d854ad31d8 183
Rishin 13:66d854ad31d8 184 mibReq.Type = MIB_APP_SKEY;
Rishin 13:66d854ad31d8 185 mibReq.Param.AppSKey = AppSKey;
Rishin 13:66d854ad31d8 186 LoRaMacMibSetRequestConfirm( &mibReq );
Rishin 13:66d854ad31d8 187
Rishin 13:66d854ad31d8 188 mibReq.Type = MIB_NETWORK_JOINED;
Rishin 13:66d854ad31d8 189 mibReq.Param.IsNetworkJoined = true;
Rishin 13:66d854ad31d8 190 LoRaMacMibSetRequestConfirm( &mibReq );
Rishin 13:66d854ad31d8 191
Rishin 13:66d854ad31d8 192 mibReq.Type = MIB_CHANNELS_TX_POWER;
Rishin 13:66d854ad31d8 193 mibReq.Param.ChannelsTxPower = LORAMAC_MAX_TX_POWER;
Rishin 13:66d854ad31d8 194 LoRaMacMibSetRequestConfirm( &mibReq );
Rishin 13:66d854ad31d8 195
Rishin 13:66d854ad31d8 196 mibReq.Type = MIB_CHANNELS_DEFAULT_TX_POWER;
Rishin 13:66d854ad31d8 197 mibReq.Param.ChannelsDefaultTxPower = LORAMAC_MAX_TX_POWER;
Rishin 13:66d854ad31d8 198 LoRaMacMibSetRequestConfirm( &mibReq );
Rishin 13:66d854ad31d8 199
Rishin 13:66d854ad31d8 200 /*//Prepareframe
Rishin 13:66d854ad31d8 201
Rishin 13:66d854ad31d8 202 AppData[0] = 0x43;
Rishin 13:66d854ad31d8 203 AppData[1] = 0x68;
Rishin 13:66d854ad31d8 204 AppData[2] = 0x72;
Rishin 13:66d854ad31d8 205 AppData[3] = 0x69;
Rishin 13:66d854ad31d8 206 AppData[4] = 0x73;
Rishin 13:66d854ad31d8 207 AppData[5] = 0x21;
Rishin 13:66d854ad31d8 208 AppData[6] = 0x21;
Rishin 13:66d854ad31d8 209
Rishin 13:66d854ad31d8 210 //Sendframe
Rishin 13:66d854ad31d8 211
Rishin 13:66d854ad31d8 212 McpsReq_t mcpsReq;
Rishin 13:66d854ad31d8 213
Rishin 13:66d854ad31d8 214 uint8_t AppPort = 3;
Rishin 13:66d854ad31d8 215 mcpsReq.Type = MCPS_UNCONFIRMED;
Rishin 13:66d854ad31d8 216 mcpsReq.Req.Unconfirmed.fPort = AppPort;
Rishin 13:66d854ad31d8 217 mcpsReq.Req.Unconfirmed.fBuffer = AppData;
Rishin 13:66d854ad31d8 218 mcpsReq.Req.Unconfirmed.fBufferSize = APPDATA_SIZE;
Rishin 13:66d854ad31d8 219 mcpsReq.Req.Unconfirmed.Datarate = DR_5;
Rishin 13:66d854ad31d8 220
Rishin 13:66d854ad31d8 221 LoRaMacMcpsRequest( &mcpsReq );*/
Rishin 13:66d854ad31d8 222
Rishin 13:66d854ad31d8 223 GPS_status = 1;
Rishin 13:66d854ad31d8 224 gps.attach(&gps_receive, Serial::RxIrq);
Rishin 13:66d854ad31d8 225 gps.printf(PMTK_SET_NMEA_OUTPUT_RMC); // Only output RMC and GPTXT
Rishin 13:66d854ad31d8 226 gps.printf(PMTK_SET_UPDATE_F_2HZ); // Set update Frequency to 2Hz
Rishin 13:66d854ad31d8 227 LoRaSend_timer.attach(&LoRaSend, 1.0);
Rishin 13:66d854ad31d8 228 while(1){
Rishin 13:66d854ad31d8 229 }
Rishin 13:66d854ad31d8 230 }