Revision 0:8f220b16e069, committed 2020-01-28

Comitter:

dsubotic

Date:

Tue Jan 28 09:55:09 2020 +0000

Commit message:

LoRaWAN driver

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LoRaWAN.cpp	Tue Jan 28 09:55:09 2020 +0000
@@ -0,0 +1,48 @@
+#include "LoRaWAN.h"
+
+LoRaWAN::LoRaWAN() : serial_lora(UART_TX,UART_RX) {}
+LoRaWAN::LoRaWAN(PinName USART_TX, PinName USART_RX) : serial_lora(USART_TX,USART_RX) {}
+
+bool LoRaWAN::init(){
+    serial_lora.baud(9600);
+    if(!sendMessage(reboot)){
+        return false;
+    }
+    wait(2);
+    if(!sendMessage(appEUI)){
+        return false;
+    }
+    wait(0.5);
+    if(!sendMessage(appKEY)){
+        return false;
+    }
+    wait(0.5);
+    if(!sendMessage(join)){
+        return false;
+    }
+    wait(4);
+    return true;
+}   
+    
+bool LoRaWAN::sendMessage(char *data_buf)
+{
+    serial_lora.printf("%s\r\n",data_buf);
+    return true;
+}
+
+void LoRaWAN::recieveData(char *data_buf, int numchar)
+{
+    int count=0;
+    if(numchar == 0) {
+        numchar = sizeof(data_buf);
+    }
+    while(numchar!=count) {
+        if(serial_lora.readable()) {
+            *data_buf = serial_lora.getc();
+            data_buf+=1;
+            count++;
+        }
+    }
+}
+
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LoRaWAN.h	Tue Jan 28 09:55:09 2020 +0000
@@ -0,0 +1,37 @@
+#ifndef MBED_LoRaWAN_H
+#define MBED_LoRaWAN_H
+
+#include "mbed.h"
+
+#define UART_RX            PD_2 
+#define UART_TX            PC_12 
+
+#define appEUI       "AT+APPEUI=70B3D57ED0029683"
+#define appKEY       "AT+APPKEY=7383F39F198AF48F47406485AB28AF5D"
+#define join         "AT+JOIN"
+#define reboot       "AT+NRB"
+
+class LoRaWAN {
+    private:
+        Serial serial_lora;
+        
+    public:
+        /** Initialize object with default uart pins */
+        LoRaWAN();
+        
+        /** Initialize object with specific uart pins */
+        LoRaWAN(PinName USART_TX, PinName USART_RX);
+        
+        /** Boot up the communication and checks if acking */
+        bool init();
+        
+        /** Send LoraWAN message */
+        bool sendMessage(char *data_buf);
+        
+        /** recieve data from the LoRaWAN module */
+        void recieveData(char *data_buf, int numchar);
+        
+        
+};
+
+#endif
\ No newline at end of file