Diff: node0.cpp

Revision:

6:1e211aba678d

Parent:

5:dfff2a4e46d1

diff -r dfff2a4e46d1 -r 1e211aba678d node0.cpp
--- a/node0.cpp	Mon Jun 06 11:04:28 2016 +0000
+++ b/node0.cpp	Tue Jul 12 15:51:23 2016 +0000
@@ -1,64 +1,44 @@
 /****PIPE0 Transmitter****/
-
 #include "mbed.h"
-#include "nRF24L01P.h"
- 
+#include "nRF24L01P.h" //Including nRF library
 Serial pc(USBTX, USBRX); // tx, rx
- 
 nRF24L01P my_nrf24l01p(PTD2, PTD3, PTD1, PTD0, PTD5, PTD4);    // mosi, miso, sck, csn, ce, irq
 DigitalOut RedLED(PTA5);
 AnalogIn pot(A0);
- 
 int main()
 {
     char count[1];
     char TxDataCnt;
     char temp;
-    
     //set tx and rx address for pipe0: 5 bytes long; different for every pipe
     long long TxAddress_PIPE0 = 0xC2C2C2C2C2;
     long long RxAddress_PIPE0 = 0xC2C2C2C2C2;
-    
-    my_nrf24l01p.powerUp();
-    my_nrf24l01p.setRfFrequency(2410);
-    
+    my_nrf24l01p.powerUp(); //Powering up nrf chip
+    my_nrf24l01p.setRfFrequency(2405); //Setting RF frequency, same for tx and rx
     //setting tx and rx address
     my_nrf24l01p.setTxAddress(TxAddress_PIPE0);
-    
     //set rx address with default width and pipe number
     my_nrf24l01p.setRxAddress(RxAddress_PIPE0, DEFAULT_NRF24L01P_ADDRESS_WIDTH, NRF24L01P_PIPE_P0);
-    
     // Display the (default) setup of the nRF24L01+ chip
     pc.printf( "nRF24L01+ Frequency    : %d MHz\r\n",  my_nrf24l01p.getRfFrequency() );
     pc.printf( "nRF24L01+ Output power : %d dBm\r\n",  my_nrf24l01p.getRfOutputPower() );
     pc.printf( "nRF24L01+ Data Rate    : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
     pc.printf( "nRF24L01+ TX Address - PIPE0  : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
-    
     pc.printf( "Wirelesss sensor network \r\n");
-        
     TxDataCnt = 1;
-    
     //set transfer size for specified pipe
     my_nrf24l01p.setTransferSize(TxDataCnt, NRF24L01P_PIPE_P0);
     my_nrf24l01p.enable();
-    
-    char pot_val;
-    
+    char pot_val; //Variable to store value of potentiometer
     while (1) {
-        
         //adjusting data to 0-255 with char data type
-        pot_val = 255*(pot.read());
-        
+        pot_val = 255*(pot.read()); //Get value of potentiometer
         count[0] = pot_val;
-        
         //transmit on specified pipe
         temp = my_nrf24l01p.write( NRF24L01P_PIPE_P0,count, TxDataCnt );
- 
-        pc.printf( "Sending %d bytes from PIPE0; POT=%d\r\n",temp,count[0]);
- 
+        pc.printf( "Sending %d bytes from PIPE0; POT=%d\r\n",temp,count[0]); //Print on serial terminal
         // Toggle LED1 (to help debug Host -> nRF24L01+ communication)
         RedLED = !RedLED;
-          
         wait(1);
     }
 }
\ No newline at end of file