Diff: main.cpp

Revision:

62:078d66d985f8

Parent:

61:d220d51ae9d8

Child:

63:7b4427c6bded

diff -r d220d51ae9d8 -r 078d66d985f8 main.cpp
--- a/main.cpp	Sat Jul 25 06:40:08 2020 +0000
+++ b/main.cpp	Sat Jul 25 17:46:37 2020 +0000
@@ -5,18 +5,10 @@
 #include "lorawan/system/lorawan_data_structures.h"
 #include "events/EventQueue.h"
 
-//#include "trace_helper.h"
 #include "lora_radio_helper.h"
 
 using namespace events;
 
-// Max payload size can be LORAMAC_PHY_MAXPAYLOAD.
-// This example only communicates with much shorter messages (<30 bytes).
-// If longer messages are used, these buffers must be changed accordingly.
-//uint8_t tx_buffer[30];
-uint8_t tx_buffer[12];
-uint8_t rx_buffer[30];
-
 /*
  * Sets up an application dependent transmission timer in ms. Used only when Duty Cycling is off for testing
  */
@@ -37,8 +29,18 @@
 #define DEBUG   1
 #define BUFFER_SIZE     12
 
+
+// Max payload size can be LORAMAC_PHY_MAXPAYLOAD.
+// Use set_max_payload_length() function to change maximum payload capacity.
+
+uint8_t tx_buffer[BUFFER_SIZE];
+
 BME280 sensor(PB_9, PB_8, 0x77);
 
+uint16_t packet_len = BUFFER_SIZE;
+float sensor_values[3];
+    
+
 /**
 * This event queue is the global event queue for both the
 * application and stack. To conserve memory, the stack is designed to run
@@ -46,6 +48,7 @@
 * providing an event queue to the stack that will be used for ISR deferment as
 * well as application information event queuing.
 */
+
 static EventQueue ev_queue(MAX_NUMBER_OF_EVENTS *EVENTS_EVENT_SIZE);
 
 /**
@@ -67,13 +70,9 @@
 static lorawan_app_callbacks_t callbacks;
 static void send_message();
 
-/**
- * Entry point for application
- */
+
 int main(void)
 {
-    // setup tracing
-    //setup_trace();
 
     // stores the status of a call to LoRaWAN protocol
     lorawan_status_t retcode;
@@ -125,6 +124,7 @@
     if(DEBUG)
         printf("\r\n Connection - In Progress ...\r\n");
 
+    
     // make your event queue dispatching events forever
     ev_queue.dispatch_forever();
     
@@ -136,9 +136,7 @@
  */
 static void send_message()
 {
-    uint16_t packet_len = BUFFER_SIZE;
     int16_t retcode;
-    float sensor_values[3];
     
     sensor.trigger();
     sensor_values[0] = sensor.getTemperature();
@@ -147,10 +145,6 @@
 
     memcpy(tx_buffer, sensor_values, packet_len);
     
-    //packet_len = sprintf((char *) tx_buffer, "Dummy Sensor Value is");
-
-    //retcode = lorawan.send(MBED_CONF_LORA_APP_PORT, tx_buffer, packet_len, MSG_UNCONFIRMED_FLAG);
-
     retcode = lorawan.send(MBED_CONF_LORA_APP_PORT, tx_buffer, packet_len, MSG_UNCONFIRMED_FLAG);
 
     if (retcode < 0) {
@@ -170,7 +164,9 @@
 
     if(DEBUG)
         printf("\r\n %d bytes scheduled for transmission \r\n", retcode);
-    //memset(tx_buffer, 0, sizeof(tx_buffer));
+    
+    //Check if radio wakes up automatically. If not, then call radio.TX();
+    radio.sleep();
 }
 
 /**
@@ -178,22 +174,7 @@
  */
 static void receive_message()
 {
-    uint8_t port;
-    int flags;
-    int16_t retcode = lorawan.receive(rx_buffer, sizeof(rx_buffer), port, flags);
-
-    if (retcode < 0) {
-        printf("\r\n receive() - Error code %d \r\n", retcode);
-        return;
-    }
-
-    printf(" RX Data on port %u (%d bytes): ", port, retcode);
-    for (uint8_t i = 0; i < retcode; i++) {
-        printf("%02x ", rx_buffer[i]);
-    }
-    printf("\r\n");
     
-    memset(rx_buffer, 0, sizeof(rx_buffer));
 }
 
 /**