kumar singh
BLE Transmitter not working
Fork of
Dealer_23Feb
by 
kumar singh
Diff: Lora.cpp
- Revision:
- 11:77e595130230
- Child:
- 13:8955f2e95021
diff -r dc33cd3f4eb9 -r 77e595130230 Lora.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Lora.cpp Fri Jan 27 18:30:02 2017 +0000
@@ -0,0 +1,393 @@
+ #include "Lora.h"
+ #include "OBD.h"
+ #include "Common_Defs.h"
+ #include "Beacon.h"
+
+ //Configure Lora Packet
+ RawSerial LORA_Module_UART(PA_0, PA_1);//USART4_TX->PA_0,USART4_RX->PA_1
+ RawSerial DEBUGING_UART(PA_9, PA_10);//USART1_TX->PA_9,USART1_RX->PA_10
+
+ uint8 Packet_Type_To_Send = HEARTBEAT_TYPE_PACKET; //By Default Heart Beat PAckets should be sent
+ uint8 OBD_Protocol_Version = 0x01;
+ uint8 Vehicle_Identification_Number[17]; //Unique Vehicle_Identification_Number, Read using OBD
+ uint8 Motion_Packet_Sent_Count=0;
+ uint8 CheckIN_Packet_Sent_Count=0;
+ uint8 Lora_Packet_To_Send[100];
+ uint8 Send_Lora_Packet_Flag = FALSE;
+ int Lora_RxBuffer_Crnt_Pos,Lora_RxBuffer_End_Pos; // must be volatile or the compiler may over-optimise.
+ int receivedDataCount = 0;
+ char LORA_UART_RX_Buffer[LORA_UART_RX_Size];
+ int LORA_UART_RX_Crnt_Pos;
+ uint8 Lora_Command_Rcvd[100];
+ uint8 Lora_Cmd_Length = 0;
+ uint8 AT_Response_Receive_Status = FAILURE;
+
+ //Create Object for Type of Lora Packet to send
+ Heart_Beat_PacketType Heart_Beat_Lora_Packet; //Allocate Memory for HeartBeat Lora Packets
+ CheckIN_PacketType CheckIN_Lora_Packet; //Allocate Memory for CheckIN Lora Packets
+ Motion_PacketType Motion_Lora_Packet; //Allocate Memory for Movement Lora Packets
+ Vehicle_Status_PacketType Vehicle_Status_Lora_Packet; //Allocate Memory for Movement Lora Packets
+
+ //Lora AT Commands list
+ const char* Attention = {"AT\r"};
+ const char* Reset_Device = "ATZ\r";
+ const char* Reset_to_Factory_Defaults = "AT&F\r";
+ const char* Save_Configuration = "AT&W\r";
+ const char* Serial_Baud_Rate = "AT+IPR=";
+ const char* Join_Network = "AT+JOIN\r";
+ const char* Join_Retries = "AT+JR=";
+ const char* AES_Encryption = "AT+ENC=";
+ const char* Send_Lora_Packet = "AT+SEND ";
+ const char* Set_Frequency_Sub_Band = "AT+FSB=";
+ const char* Set_Network_ID = "AT+NI=";
+ const char* Set_Network_Key = "AT+NK=";
+ const char* Network_Key = "010203123";
+ const char* Network_ID = "010203040";
+ const char* Network_Join_Retries = "AT+JR=";
+ const char* Network_Join_Status = "AT+NJS=";
+ const char* Lora_Device_ID = "AT+DI\r";
+
+
+
+ uint8 Calculate_Lora_Frame_FCS(uint8* Packet_Data,uint8 Packet_Length);
+ void Set_Up_Lora_Network_Configuration(void);
+ void Get_Lora_Response(void);
+
+//Set Up lora network
+void Set_Up_Lora_Network_Configuration(void)
+{
+ LORA_Module_UART.baud(115200);
+ LORA_Module_UART.printf(Attention);//Send Attention command
+ AT_Response_Receive_Status = FAILURE;
+ DEBUGING_UART.printf("Nwk set up started");
+ while(AT_Response_Receive_Status)
+ Get_Lora_Response();
+ DEBUGING_UART.printf("AT Response received");
+ LORA_Module_UART.printf("%s%d\r",Set_Frequency_Sub_Band,FREQUENCY_SUB_BAND_CHANNEL7);//set frequency sub band to 7
+ AT_Response_Receive_Status = FAILURE;
+ while(AT_Response_Receive_Status)
+ Get_Lora_Response();
+ DEBUGING_UART.printf("Frequency band response received");
+ LORA_Module_UART.printf("%s%d,%s\r",Set_Network_Key,STRING_PARAMETER,Network_Key); //set network key
+ AT_Response_Receive_Status = FAILURE;
+ while(AT_Response_Receive_Status)
+ Get_Lora_Response();
+ DEBUGING_UART.printf("Network key Response received");
+ LORA_Module_UART.printf("%s%d,%s\r",Set_Network_ID,STRING_PARAMETER,Network_ID); //set network id
+ AT_Response_Receive_Status = FAILURE;
+ while(AT_Response_Receive_Status)
+ Get_Lora_Response();
+ DEBUGING_UART.printf("Network Id response received");
+
+ //LORA_Module_UART.printf("%s",Reset_Device); //reset device
+ //wait_ms(3500);
+
+ LORA_Module_UART.printf("AT+TXDR=DR2\r");
+ AT_Response_Receive_Status = FAILURE;
+ while(AT_Response_Receive_Status)
+ Get_Lora_Response();
+ LORA_Module_UART.printf("AT+ADR=1\r"); //Enable adaptive data rate
+ AT_Response_Receive_Status = FAILURE;
+ while(AT_Response_Receive_Status)
+ Get_Lora_Response();
+ LORA_Module_UART.printf("%s",Save_Configuration); //save configuration
+ AT_Response_Receive_Status = FAILURE;
+ while(AT_Response_Receive_Status)
+ Get_Lora_Response();
+ DEBUGING_UART.printf("Configuration saved");
+ LORA_Module_UART.printf(Attention); //Send Attention command
+ AT_Response_Receive_Status = FAILURE;
+ while(AT_Response_Receive_Status)
+ Get_Lora_Response();
+ DEBUGING_UART.printf("AT Response received");
+ LORA_Module_UART.printf("%s",Join_Network); //join network with gateway
+ AT_Response_Receive_Status = FAILURE;
+ while(AT_Response_Receive_Status)
+ Get_Lora_Response();
+ DEBUGING_UART.printf("Join Response received");
+}
+
+ void Initialize_lora_Packets()
+{
+ uint8 i;
+ /******* Initialize Lora packet for HeartBeat *****/
+ Heart_Beat_Lora_Packet.Header = LORA_PACKET_HEADER;
+ Heart_Beat_Lora_Packet.Protocol_Version = OBD_Protocol_Version;
+ Heart_Beat_Lora_Packet.Packet_Type = HEART_BEAT_PACKET_CMD;
+ Heart_Beat_Lora_Packet.OBD_Battery_Voltage = 0x1234;
+ Heart_Beat_Lora_Packet.Car_Battery_Voltage = 0x5241;
+ Heart_Beat_Lora_Packet.OBD_Battery_Temperature = 0x00;
+ Heart_Beat_Lora_Packet.Car_Ambient_Temperature = 0x00;
+ for(i=0;i<6;i++)
+ Heart_Beat_Lora_Packet.Parking1_Beacon_ID[i] = 0x78; //MAC ID of 1st NearBy Beacon Device with Highest Signal Strength,dummy data
+ Heart_Beat_Lora_Packet.Parking1_Beacon_Signal_Strength = 0x00; //Signal Strength of 3rd NearBy Beacon Device with Highest Signal Strength
+ for(i=0;i<6;i++)
+ Heart_Beat_Lora_Packet.Parking2_Beacon_ID[i] = 0x12; //MAC ID of 1st NearBy Beacon Device with Highest Signal Strength,dummy data
+ Heart_Beat_Lora_Packet.Parking2_Beacon_Signal_Strength = 0x00; //Signal Strength of 3rd NearBy Beacon Device with Highest Signal Strength
+ for(i=0;i<6;i++)
+ Heart_Beat_Lora_Packet.Parking3_Beacon_ID[i] = 0x00; //MAC ID of 1st NearBy Beacon Device with Highest Signal Strength,dummy data
+ Heart_Beat_Lora_Packet.Parking3_Beacon_Signal_Strength = 0x00; //Signal Strength of 3rd NearBy Beacon Device with Highest Signal Strength
+ Heart_Beat_Lora_Packet.FCS = 0x00; //FCS of all packets
+
+ /******* Initialize Lora packet for Vehicle Status *****/
+ Vehicle_Status_Lora_Packet.Header = LORA_PACKET_HEADER;
+ Vehicle_Status_Lora_Packet.Protocol_Version = OBD_Protocol_Version;
+ Vehicle_Status_Lora_Packet.Packet_Type = CHECKIN_PACKET_CMD;
+ for(i=0;i<17;i++)
+ Vehicle_Status_Lora_Packet.VIN[i] = Vehicle_Identification_Number[i];
+ for(i=0;i<3;i++)
+ Vehicle_Status_Lora_Packet.ODO_METER_READING[i] = 0x00; //Dummyy data, To be read using OBD
+ Vehicle_Status_Lora_Packet.OBD_Battery_Voltage = 0x1234;
+ Vehicle_Status_Lora_Packet.Car_Battery_Voltage = 0x5241;
+ Vehicle_Status_Lora_Packet.OBD_Battery_Temperature = 0x00;
+ Vehicle_Status_Lora_Packet.Car_Ambient_Temperature = 0x00;
+ for(i=0;i<6;i++)
+ Vehicle_Status_Lora_Packet.BLE_Adv_Beacon_ID[i] = BLE_Adv_Module_Beacon_ID[i]; //MAC ID of 1st NearBy Beacon Device with Highest Signal Strength,dummy data
+ for(i=0;i<6;i++)
+ Vehicle_Status_Lora_Packet.Parking1_Beacon_ID[i] = 0x00; //MAC ID of 1st NearBy Beacon Device with Highest Signal Strength,dummy data
+ Vehicle_Status_Lora_Packet.Parking1_Beacon_Signal_Strength = 0x00; //Signal Strength of 3rd NearBy Beacon Device with Highest Signal Strength
+ for(i=0;i<6;i++)
+ Vehicle_Status_Lora_Packet.Parking2_Beacon_ID[i] = 0x00; //MAC ID of 1st NearBy Beacon Device with Highest Signal Strength,dummy data
+ Vehicle_Status_Lora_Packet.Parking2_Beacon_Signal_Strength = 0x00; //Signal Strength of 3rd NearBy Beacon Device with Highest Signal Strength
+ for(i=0;i<6;i++)
+ Vehicle_Status_Lora_Packet.Parking3_Beacon_ID[i] = 0x00; //MAC ID of 1st NearBy Beacon Device with Highest Signal Strength,dummy data
+ Vehicle_Status_Lora_Packet.Parking3_Beacon_Signal_Strength = 0x00; //Signal Strength of 3rd NearBy Beacon Device with Highest Signal Strength
+ Vehicle_Status_Lora_Packet.FCS = 0x00; //FCS of all packets
+
+ /******* Initialize Lora packet for CheckIn *****/
+ CheckIN_Lora_Packet.Header = LORA_PACKET_HEADER;
+ CheckIN_Lora_Packet.Protocol_Version = OBD_Protocol_Version;
+ CheckIN_Lora_Packet.Packet_Type = CHECKIN_PACKET_CMD;
+ for(i=0;i<17;i++)
+ CheckIN_Lora_Packet.VIN[i] = Vehicle_Identification_Number[i];
+ for(i=0;i<3;i++)
+ CheckIN_Lora_Packet.ODO_METER_READING[i] = 0x00; //Dummyy data, To be read using OBD
+ for(i=0;i<6;i++)
+ CheckIN_Lora_Packet.Parking1_Beacon_ID[i] = 0x00; //MAC ID of 1st NearBy Beacon Device with Highest Signal Strength,dummy data
+ CheckIN_Lora_Packet.Parking1_Beacon_Signal_Strength = 0x00; //Signal Strength of 3rd NearBy Beacon Device with Highest Signal Strength
+ for(i=0;i<6;i++)
+ CheckIN_Lora_Packet.Parking2_Beacon_ID[i] = 0x00; //MAC ID of 1st NearBy Beacon Device with Highest Signal Strength,dummy data
+ CheckIN_Lora_Packet.Parking2_Beacon_Signal_Strength = 0x00; //Signal Strength of 3rd NearBy Beacon Device with Highest Signal Strength
+ for(i=0;i<6;i++)
+ CheckIN_Lora_Packet.Parking3_Beacon_ID[i] = 0x00; //MAC ID of 1st NearBy Beacon Device with Highest Signal Strength,dummy data
+ CheckIN_Lora_Packet.Parking3_Beacon_Signal_Strength = 0x00; //Signal Strength of 3rd NearBy Beacon Device with Highest Signal Strength
+ CheckIN_Lora_Packet.FCS = 0x00; //FCS of all packets
+
+ /******* Initialize Lora packet for Movement *****/
+ Motion_Lora_Packet.Header = LORA_PACKET_HEADER;
+ Motion_Lora_Packet.Protocol_Version = OBD_Protocol_Version;
+ Motion_Lora_Packet.Packet_Type = MOTION_PACKET_CMD;
+ for(i=0;i<6;i++)
+ Motion_Lora_Packet.Parking1_Beacon_ID[i] = 0x00; //MAC ID of 1st NearBy Beacon Device with Highest Signal Strength,dummy data
+ Motion_Lora_Packet.Parking1_Beacon_Signal_Strength = 0x00; //Signal Strength of 1st NearBy Beacon Device with Highest Signal Strength
+ for(i=0;i<6;i++)
+ Motion_Lora_Packet.Parking2_Beacon_ID[i] = 0x00; //MAC ID of 2nd NearBy Beacon Device with Highest Signal Strength,dummy data
+ Motion_Lora_Packet.Parking2_Beacon_Signal_Strength = 0x00; //Signal Strength of 2nd NearBy Beacon Device with Highest Signal Strength
+ for(i=0;i<6;i++)
+ Motion_Lora_Packet.Parking3_Beacon_ID[i] = 0x00; //MAC ID of 3rd NearBy Beacon Device with Highest Signal Strength,dummy data
+ Motion_Lora_Packet.Parking3_Beacon_Signal_Strength = 0x00; //Signal Strength of 3rd NearBy Beacon Device with Highest Signal Strength
+ Motion_Lora_Packet.Acceleration_Type = 0x00; //Type of acceleration, Vehicle Started/Vehicle Stopped/Sudden Vehicle Movement
+ Motion_Lora_Packet.FCS = 0x00; //FCS of all packets
+}
+
+ //HeartBeat Packet should be sent every 30sec
+void Send_HeartBeat_Packet(void)
+{
+ //write code to read obd data,temperature,beacon data
+ uint8 Pos = 0,i;
+ Lora_Packet_To_Send[Pos++] = Heart_Beat_Lora_Packet.Header; //Header of Lora Packet,0xFE
+ Lora_Packet_To_Send[Pos++] = Heart_Beat_Lora_Packet.Protocol_Version;
+ Lora_Packet_To_Send[Pos++] = Heart_Beat_Lora_Packet.Packet_Type; //MSB of Motion Packet Type
+ Lora_Packet_To_Send[Pos++] = (Heart_Beat_Lora_Packet.OBD_Battery_Voltage >> 8); //Get OBD_Battery Voltage
+ Lora_Packet_To_Send[Pos++] = (Heart_Beat_Lora_Packet.OBD_Battery_Voltage & 0xFF); //Get OBD_Battery Voltage
+ Lora_Packet_To_Send[Pos++] = (Heart_Beat_Lora_Packet.Car_Battery_Voltage >> 8); //Get Vehicle_Battery Temperature
+ Lora_Packet_To_Send[Pos++] = (Heart_Beat_Lora_Packet.Car_Battery_Voltage & 0xFF); //Get Vehicle_Battery Temperature
+ Lora_Packet_To_Send[Pos++] = Heart_Beat_Lora_Packet.OBD_Battery_Temperature; //Get Battery Temperature
+ Lora_Packet_To_Send[Pos++] = Heart_Beat_Lora_Packet.Car_Ambient_Temperature; //Get Ambient Temperature
+ for(i=0;i<6;i++)
+ Lora_Packet_To_Send[Pos++] = Heart_Beat_Lora_Packet.Parking1_Beacon_ID[i]; //Get Beacon_ID of 1st nearby Beacon Device
+ Lora_Packet_To_Send[Pos++] = Heart_Beat_Lora_Packet.Parking1_Beacon_Signal_Strength; //Get Signal Strength of 1st nearby Beacon Device
+ for(i=0;i<6;i++)
+ Lora_Packet_To_Send[Pos++] = Heart_Beat_Lora_Packet.Parking2_Beacon_ID[i]; //Get Beacon_ID of 2nd nearby Beacon Device
+ Lora_Packet_To_Send[Pos++] = Heart_Beat_Lora_Packet.Parking2_Beacon_Signal_Strength; //Get Signal Strength of 2nd nearby Beacon Device
+ for(i=0;i<6;i++)
+ Lora_Packet_To_Send[Pos++] = Heart_Beat_Lora_Packet.Parking3_Beacon_ID[i]; //Get Beacon_ID of 3rd nearby Beacon Device
+ Lora_Packet_To_Send[Pos++] = Heart_Beat_Lora_Packet.Parking3_Beacon_Signal_Strength; //Get Signal Strength of 3rd nearby Beacon Device
+ Lora_Packet_To_Send[Pos++] = Calculate_Lora_Frame_FCS(Lora_Packet_To_Send,Pos); //Calculate FCS of all bytes
+ Packet_Type_To_Send = HEARTBEAT_TYPE_PACKET;
+ Send_Lora_Packet_To_Gateway(Lora_Packet_To_Send,Pos);
+}
+
+//CheckIN packets sending should be started when device is plugged in to the vehicle. It should be sent every 5sec for 2minutes and afterthat it should stop sending
+void Send_Vehicle_Status_Packet(void)
+{
+ //write code to read OBD data,temperature,beacon data
+ uint8 Pos = 0,i;
+ Lora_Packet_To_Send[Pos++] = Vehicle_Status_Lora_Packet.Header; //Header of Lora Packet,0xFE
+ Lora_Packet_To_Send[Pos++] = Vehicle_Status_Lora_Packet.Protocol_Version; //MSB of Motion Packet Type
+ Lora_Packet_To_Send[Pos++] = Vehicle_Status_Lora_Packet.Packet_Type; //MSB of Motion Packet Type
+ for(i=0;i < 17;i++)
+ Lora_Packet_To_Send[Pos++] = Vehicle_Status_Lora_Packet.VIN[i]; //Get OBD_ID
+ for(i=0;i < 3;i++)
+ Lora_Packet_To_Send[Pos++] = Vehicle_Status_Lora_Packet.ODO_METER_READING[i]; //Get OBD_ID
+ Lora_Packet_To_Send[Pos++] = (Vehicle_Status_Lora_Packet.Fuel_Level >> 8); //Get OBD_Battery Voltage
+ Lora_Packet_To_Send[Pos++] = (Vehicle_Status_Lora_Packet.Fuel_Level & 0xFF); //Get OBD_Battery Voltage
+ Lora_Packet_To_Send[Pos++] = (Vehicle_Status_Lora_Packet.OBD_Battery_Voltage >> 8); //Get OBD_Battery Voltage
+ Lora_Packet_To_Send[Pos++] = (Vehicle_Status_Lora_Packet.OBD_Battery_Voltage & 0xFF); //Get OBD_Battery Voltage
+ Lora_Packet_To_Send[Pos++] = (Vehicle_Status_Lora_Packet.Car_Battery_Voltage >> 8); //Get Vehicle_Battery Temperature
+ Lora_Packet_To_Send[Pos++] = (Vehicle_Status_Lora_Packet.Car_Battery_Voltage & 0xFF); //Get Vehicle_Battery Temperature
+ Lora_Packet_To_Send[Pos++] = Vehicle_Status_Lora_Packet.OBD_Battery_Temperature; //Get Battery Temperature
+ Lora_Packet_To_Send[Pos++] = Vehicle_Status_Lora_Packet.Car_Ambient_Temperature; //Get Ambient Temperature
+ for(i=0;i<6;i++)
+ Lora_Packet_To_Send[Pos++] = Vehicle_Status_Lora_Packet.BLE_Adv_Beacon_ID[i]; //Get Beacon_ID of 1st nearby Beacon Device
+ for(i=0;i<6;i++)
+ Lora_Packet_To_Send[Pos++] = Vehicle_Status_Lora_Packet.Parking1_Beacon_ID[i]; //Get Beacon_ID of 1st nearby Beacon Device
+ Lora_Packet_To_Send[Pos++] = Vehicle_Status_Lora_Packet.Parking1_Beacon_Signal_Strength; //Get Signal Strength of 1st nearby Beacon Device
+ for(i=0;i<6;i++)
+ Lora_Packet_To_Send[Pos++] = Vehicle_Status_Lora_Packet.Parking2_Beacon_ID[i]; //Get Beacon_ID of 2nd nearby Beacon Device
+ Lora_Packet_To_Send[Pos++] = Vehicle_Status_Lora_Packet.Parking2_Beacon_Signal_Strength; //Get Signal Strength of 2nd nearby Beacon Device
+ for(i=0;i<6;i++)
+ Lora_Packet_To_Send[Pos++] = Vehicle_Status_Lora_Packet.Parking3_Beacon_ID[i]; //Get Beacon_ID of 3rd nearby Beacon Device
+ Lora_Packet_To_Send[Pos++] = Vehicle_Status_Lora_Packet.Parking3_Beacon_Signal_Strength; //Get Signal Strength of 3rd nearby Beacon Device
+ for(i=0;i<6;i++)
+ Lora_Packet_To_Send[Pos++] = Vehicle_Status_Lora_Packet.Near_Car1_Beacon_ID[i]; //Get Beacon_ID of 1st nearby Beacon Device
+ Lora_Packet_To_Send[Pos++] = Vehicle_Status_Lora_Packet.Near_Car1_Beacon_Signal_Strength; //Get Signal Strength of 1st nearby Beacon Device
+ for(i=0;i<6;i++)
+ Lora_Packet_To_Send[Pos++] = Vehicle_Status_Lora_Packet.Near_Car2_Beacon_ID[i]; //Get Beacon_ID of 2nd nearby Beacon Device
+ Lora_Packet_To_Send[Pos++] = Vehicle_Status_Lora_Packet.Near_Car2_Beacon_Signal_Strength; //Get Signal Strength of 2nd nearby Beacon Device
+ for(i=0;i<6;i++)
+ Lora_Packet_To_Send[Pos++] = Vehicle_Status_Lora_Packet.Near_Car3_Beacon_ID[i]; //Get Beacon_ID of 3rd nearby Beacon Device
+ Lora_Packet_To_Send[Pos++] = Vehicle_Status_Lora_Packet.Near_Car3_Beacon_Signal_Strength; //Get Signal Strength of 3rd nearby Beacon Device
+ Lora_Packet_To_Send[Pos++] = Calculate_Lora_Frame_FCS(Lora_Packet_To_Send,Pos); //Calculate FCS of all bytes
+ CheckIN_Packet_Sent_Count++;
+ Send_Lora_Packet_To_Gateway(Lora_Packet_To_Send,Pos);
+}
+
+//CheckIN packets sending should be started when device is plugged in to the vehicle. It should be sent every 5sec for 2minutes and afterthat it should stop sending
+void Send_CheckIN_Packet(void)
+{
+ //write code to read OBD data,temperature,beacon data
+ uint8 Pos = 0,i;
+ Lora_Packet_To_Send[Pos++] = CheckIN_Lora_Packet.Header; //Header of Lora Packet,0xFE
+ Lora_Packet_To_Send[Pos++] = CheckIN_Lora_Packet.Protocol_Version; //MSB of Motion Packet Type
+ Lora_Packet_To_Send[Pos++] = CheckIN_Lora_Packet.Packet_Type; //MSB of Motion Packet Type
+ for(i=0;i < 17;i++)
+ Lora_Packet_To_Send[Pos++] = CheckIN_Lora_Packet.VIN[i]; //Get OBD_ID
+ for(i=0;i < 3;i++)
+ Lora_Packet_To_Send[Pos++] = CheckIN_Lora_Packet.ODO_METER_READING[i]; //Get OBD_ID
+ Lora_Packet_To_Send[Pos++] = (CheckIN_Lora_Packet.OBD_Battery_Voltage >> 8); //Get OBD_Battery Voltage
+ Lora_Packet_To_Send[Pos++] = (CheckIN_Lora_Packet.OBD_Battery_Voltage & 0xFF); //Get OBD_Battery Voltage
+ Lora_Packet_To_Send[Pos++] = (CheckIN_Lora_Packet.Car_Battery_Voltage >> 8); //Get Vehicle_Battery Temperature
+ Lora_Packet_To_Send[Pos++] = (CheckIN_Lora_Packet.Car_Battery_Voltage & 0xFF); //Get Vehicle_Battery Temperature
+ Lora_Packet_To_Send[Pos++] = CheckIN_Lora_Packet.OBD_Battery_Temperature; //Get Battery Temperature
+ Lora_Packet_To_Send[Pos++] = CheckIN_Lora_Packet.Car_Ambient_Temperature; //Get Ambient Temperature
+ for(i=0;i<6;i++)
+ Lora_Packet_To_Send[Pos++] = CheckIN_Lora_Packet.Parking1_Beacon_ID[i]; //Get Beacon_ID of 1st nearby Beacon Device
+ Lora_Packet_To_Send[Pos++] = CheckIN_Lora_Packet.Parking1_Beacon_Signal_Strength; //Get Signal Strength of 1st nearby Beacon Device
+ for(i=0;i<6;i++)
+ Lora_Packet_To_Send[Pos++] = CheckIN_Lora_Packet.Parking2_Beacon_ID[i]; //Get Beacon_ID of 2nd nearby Beacon Device
+ Lora_Packet_To_Send[Pos++] = CheckIN_Lora_Packet.Parking2_Beacon_Signal_Strength; //Get Signal Strength of 2nd nearby Beacon Device
+ for(i=0;i<6;i++)
+ Lora_Packet_To_Send[Pos++] = CheckIN_Lora_Packet.Parking3_Beacon_ID[i]; //Get Beacon_ID of 3rd nearby Beacon Device
+ Lora_Packet_To_Send[Pos++] = CheckIN_Lora_Packet.Parking3_Beacon_Signal_Strength; //Get Signal Strength of 3rd nearby Beacon Device
+ Lora_Packet_To_Send[Pos++] = Calculate_Lora_Frame_FCS(Lora_Packet_To_Send,Pos); //Calculate FCS of all bytes
+ CheckIN_Packet_Sent_Count++;
+ Send_Lora_Packet_To_Gateway(Lora_Packet_To_Send,Pos);
+}
+
+//Motion packets sending should be started when vehicle acceleration changes like when it starts moving,stops moving and gets sudden jurk in case of theft.
+// It should be sent every 30sec for 2minutes and afterthat it should stop sending
+void Send_Motion_Packet(void)
+{
+ //write code to read accelerometer data,temperature,beacon data
+ uint8 Pos = 0,i;
+ Lora_Packet_To_Send[Pos++] = Motion_Lora_Packet.Header; //Header of Lora Packet,0xFE
+ Lora_Packet_To_Send[Pos++] = (Motion_Lora_Packet.Packet_Type >> 8); //MSB of Motion Packet Type
+ Lora_Packet_To_Send[Pos++] = (Motion_Lora_Packet.Packet_Type & 0xFF); //LSB of Motion Packet Type
+ for(i=0;i<6;i++)
+ Lora_Packet_To_Send[Pos++] = Motion_Lora_Packet.Parking1_Beacon_ID[i]; //Get Beacon_ID of 1st nearby Beacon Device
+ Lora_Packet_To_Send[Pos++] = Motion_Lora_Packet.Parking1_Beacon_Signal_Strength; //Get Signal Strength of 1st nearby Beacon Device
+ for(i=0;i<6;i++)
+ Lora_Packet_To_Send[Pos++] = Motion_Lora_Packet.Parking2_Beacon_ID[i]; //Get Beacon_ID of 2nd nearby Beacon Device
+ Lora_Packet_To_Send[Pos++] = Motion_Lora_Packet.Parking2_Beacon_Signal_Strength; //Get Signal Strength of 2nd nearby Beacon Device
+ for(i=0;i<6;i++)
+ Lora_Packet_To_Send[Pos++] = Motion_Lora_Packet.Parking3_Beacon_ID[i]; //Get Beacon_ID of 3rd nearby Beacon Device
+ Lora_Packet_To_Send[Pos++] = Motion_Lora_Packet.Parking3_Beacon_Signal_Strength; //Get Signal Strength of 3rd nearby Beacon Device
+ Lora_Packet_To_Send[Pos++] = Motion_Lora_Packet.Acceleration_Type; //get Type of Acceleration
+ Lora_Packet_To_Send[Pos++] = Calculate_Lora_Frame_FCS(Lora_Packet_To_Send,Pos); //Calculate FCS of all bytes
+ Motion_Packet_Sent_Count++;
+ Send_Lora_Packet_To_Gateway(Lora_Packet_To_Send,Pos);
+}
+
+
+void Get_Lora_Response(void)
+{
+ static uint16 Temp_Pos1;
+ static uint8 Lora_Response_Found = 0x00;
+ static uint8 Response_Start_Pos[5];
+ Lora_Response_Found = 0;
+ Temp_Pos1 = LORA_UART_RX_Crnt_Pos = 0;
+ while(Temp_Pos1 < Lora_RxBuffer_End_Pos)
+ { //check for end of AT response to calculate length
+ if((LORA_UART_RX_Buffer[Temp_Pos1] != 0x0D) || (LORA_UART_RX_Buffer[Temp_Pos1+1] != 0x0A))
+ { //check for AT end response <cr><lf> (i.e. 0x0D,0x0A)
+ Temp_Pos1++;
+ }
+ else
+ {
+ Temp_Pos1+=2;
+ Response_Start_Pos[Lora_Response_Found++] = Temp_Pos1;
+ //DEBUGING_UART.printf("%c",Temp_Pos1);
+ if(Lora_Response_Found >= 4)
+ break;
+ }
+ }
+ if(Lora_Response_Found >= 3)
+ {
+ if((Response_Start_Pos[1] - Response_Start_Pos[0]) > 0x02) //Response received without data
+ {
+ LORA_UART_RX_Crnt_Pos = (Response_Start_Pos[0]);
+ Response_Start_Pos[1]-=2;
+ for(Temp_Pos1=0; LORA_UART_RX_Crnt_Pos < Response_Start_Pos[1]; Temp_Pos1++)
+ {
+ Lora_Command_Rcvd[Temp_Pos1] = LORA_UART_RX_Buffer[LORA_UART_RX_Crnt_Pos++];
+ DEBUGING_UART.putc(Lora_Command_Rcvd[Temp_Pos1]);
+ }
+ Lora_RxBuffer_End_Pos = 0;
+ AT_Response_Receive_Status = SUCCESS;
+ }
+ else if((Response_Start_Pos[1] - Response_Start_Pos[0]) == 0x02) //Response received along with data
+ {
+ LORA_UART_RX_Crnt_Pos = (Response_Start_Pos[1]);
+ Response_Start_Pos[2]-=2;
+ for(Temp_Pos1=0; LORA_UART_RX_Crnt_Pos < Response_Start_Pos[2]; Temp_Pos1++)
+ {
+ Lora_Command_Rcvd[Temp_Pos1] = LORA_UART_RX_Buffer[LORA_UART_RX_Crnt_Pos++];
+ DEBUGING_UART.putc(Lora_Command_Rcvd[Temp_Pos1]);
+ }
+ Lora_RxBuffer_End_Pos = 0;
+ AT_Response_Receive_Status = SUCCESS;
+ }
+ }
+}
+
+//Function to send general Lora packets using "AT+SEND" Command
+void Send_Lora_Packet_To_Gateway(uint8* Command_To_Send,uint8 Length)
+{
+ uint8 i=0;
+ LORA_Module_UART.printf("%s",Send_Lora_Packet);//write to serial port for sending through lora module
+ for(i=0;i<Length;i++)
+ LORA_Module_UART.putc(Command_To_Send[i]);//write to serial port for sending through lora module
+ LORA_Module_UART.printf("\r");
+}
+
+
+ unsigned char Calculate_Lora_Frame_FCS(unsigned char* Packet_Data,unsigned char Packet_Length)
+ {
+ uint8 i,FCS = 0x00;
+ for(i=0; i < Packet_Length; i++)
+ {
+ FCS ^= (Packet_Data[i]);
+ }
+ return(FCS);
+ }