Diff: main.cpp

Revision:

53:a3344ee53c2c

Parent:

52:922d8fdaae44

--- a/main.cpp	Sun Jul 05 20:31:13 2020 +0000
+++ b/main.cpp	Wed Jul 08 08:54:48 2020 +0000
@@ -19,7 +19,7 @@
 #include "lorawan/LoRaWANInterface.h"
 #include "lorawan/system/lorawan_data_structures.h"
 #include "events/EventQueue.h"
-
+#include "TinyGPSPlus.h"
 // Application helpers
 #include "trace_helper.h"
 #include "lora_radio_helper.h"
@@ -31,12 +31,16 @@
 // If longer messages are used, these buffers must be changed accordingly.
 uint8_t tx_buffer[30];
 uint8_t rx_buffer[30];
+char buf[128];
 
+char c;
 /*
  * Sets up an application dependent transmission timer in ms. Used only when Duty Cycling is off for testing
  */
 #define TX_TIMER                        10000
 
+
+
 /**
  * Maximum number of events for the event queue.
  * 10 is the safe number for the stack events, however, if application
@@ -49,8 +53,16 @@
  */
 #define CONFIRMED_MSG_RETRY_COUNTER     3
 
-//Serial pc(PC_11,PC_10);
+#define DATABUFFER_SIZE 128
+
+
+
+
+Serial gpsPort(PC_10,PC_11,115200);
 Serial pc(PA_9,PA_10);
+TinyGPSPlus gps;
+DigitalOut GPS_LEVEL_SHIFTER_EN(PC_6);
+DigitalOut GPS_RESET(PB_2);
 /**
 * This event queue is the global event queue for both the
 * application and stack. To conserve memory, the stack is designed to run
@@ -78,12 +90,65 @@
  */
 static lorawan_app_callbacks_t callbacks;
 
+void gpsSetup()
+{
+
+    GPS_LEVEL_SHIFTER_EN=1;
+    wait(0.2);
+    GPS_RESET=0;
+
+    wait(1);
+
+    GPS_RESET=1;
+
+   // wait(1);
+    //gpsPort.printf("@GSR\r\n");//"@GNS 0x3\r\n"
+    //wait(.25);
+    //gpsPort.printf("@GNS 0x3\r\n");
+    //wait(.25);
+    //gpsPort.printf("@BSSL 0x25\r\n");
+    //wait(.25);
+    //gpsPort.printf("@GCD\r\n");
+    //wait(.25);
+}
+
+void getGpsData()
+{   
+    
+    c= gpsPort.getc();
+
+    //pc.putc(c);
+    switch (c) {
+        case '\n':
+            if (gps.satellites.isValid() && gps.satellites.value() > 3 && gps.hdop.hdop() > 0) {
+                snprintf(buf, 128, "{\"lat\":%lf,\"lng\":%lf}", gps.location.lat(), gps.location.lng());
+            } else {
+                snprintf(buf, 128, "Satellites: %lu, time: %04d-%02d-%02dT%02d:%02d:%02d.%02d",
+                         gps.satellites.value(), gps.date.year(), gps.date.month(), gps.date.day(),
+                         gps.time.hour(), gps.time.minute(), gps.time.second(), gps.time.centisecond());
+            }
+            pc.printf("%s\r\n", buf);
+        break;
+        default:
+            gps.encode(c);
+            break;
+    }
+    
+    ev_queue.call(getGpsData); 
+}
+
+
 /**
  * Entry point for application
  */
 int main(void)
-{ 
-   pc.printf("hello");
+
+{
+    //getGpsData();
+    gpsSetup();
+    
+
+    pc.printf("hello");
     // setup tracing
     setup_trace();
 
@@ -109,8 +174,8 @@
         return -1;
     }
 
-    printf("\r\n CONFIRMED message retries : %d \r\n",
-           CONFIRMED_MSG_RETRY_COUNTER);
+    pc.printf("\r\n CONFIRMED message retries : %d \r\n",
+              CONFIRMED_MSG_RETRY_COUNTER);
 
     // Enable adaptive data rate
     if (lorawan.enable_adaptive_datarate() != LORAWAN_STATUS_OK) {
@@ -129,8 +194,10 @@
         return -1;
     }
 
-    printf("\r\n Connection - In Progress ...\r\n");
-
+    pc.printf("\r\n Connection - In Progress ...\r\n");
+     
+     
+    ev_queue.call(getGpsData); 
     // make your event queue dispatching events forever
     ev_queue.dispatch_forever();
 
@@ -144,7 +211,7 @@
 {
     uint16_t packet_len;
     int16_t retcode;
-    pc.printf("\n\rHello world");    
+    pc.printf("\n\rHello world");
 
     packet_len = sprintf((char *) tx_buffer, "Hello world");
 
@@ -166,6 +233,7 @@
 
     pc.printf("\r\n %d bytes scheduled for transmission \r\n", retcode);
     memset(tx_buffer, 0, sizeof(tx_buffer));
+
 }
 
 /**
@@ -175,7 +243,7 @@
 {
     switch (event) {
         case CONNECTED:
-            printf("\r\n Connection - Successful \r\n");
+            pc.printf("\r\n Connection - Successful \r\n");
             if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
                 send_message();
             } else {
@@ -185,36 +253,37 @@
             break;
         case DISCONNECTED:
             ev_queue.break_dispatch();
-            printf("\r\n Disconnected Successfully \r\n");
+            pc.printf("\r\n Disconnected Successfully \r\n");
             break;
         case TX_DONE:
-            printf("\r\n Message Sent to Network Server \r\n");
+            pc.printf("\r\n Message Sent to Network Server \r\n");
             if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
                 send_message();
+
             }
             break;
         case TX_TIMEOUT:
         case TX_ERROR:
         case TX_CRYPTO_ERROR:
         case TX_SCHEDULING_ERROR:
-            printf("\r\n Transmission Error - EventCode = %d \r\n", event);
+            pc.printf("\r\n Transmission Error - EventCode = %d \r\n", event);
             // try again
             if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
                 send_message();
             }
             break;
         case RX_DONE:
-            printf("\r\n Received message from Network Server \r\n");
+            pc.printf("\r\n Received message from Network Server \r\n");
             break;
         case RX_TIMEOUT:
         case RX_ERROR:
-            printf("\r\n Error in reception - Code = %d \r\n", event);
+            pc.printf("\r\n Error in reception - Code = %d \r\n", event);
             break;
         case JOIN_FAILURE:
-            printf("\r\n OTAA Failed - Check Keys \r\n");
+            pc.printf("\r\n OTAA Failed - Check Keys \r\n");
             break;
         case UPLINK_REQUIRED:
-            printf("\r\n Uplink required by NS \r\n");
+            pc.printf("\r\n Uplink required by NS \r\n");
             if (MBED_CONF_LORA_DUTY_CYCLE_ON) {
                 send_message();
             }