Revision 5:c44298b018f4, committed 2016-06-06

Comitter:

SIT2016

Date:

Mon Jun 06 11:05:41 2016 +0000

Parent:

4:b3a70cbb7c81

Commit message:

Node on PIPE1 for Wireless sensor network over NRF.

Changed in this revision

--- a/Receiver.cpp	Mon Jun 06 10:57:33 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,81 +0,0 @@
-/*****Multiceiver wireless network*****/
-
-#include "mbed.h"
-#include "nRF24L01P.h"
- 
-Serial pc(USBTX, USBRX); // tx, rx
- 
-nRF24L01P my_nrf24l01p(PTD2, PTD3, PTD1, PTD0, PTD5, PTD4);    // mosi, miso, sck, csn, ce, irq
-
-//blue for pipe1 and green for pipe0
-DigitalOut GreenLED(PTA12);
-DigitalOut BlueLED(PTC8);
- 
-int main() {
-    
-    char count[1];
-    char RxDataCnt_PIPE0, RxDataCnt_PIPE1;
-    char temp;
-    
-    //specifying address same as transmitter for pipe0 and pipe1
-    long long RxAddress_PIPE1 = 0xE2E2E2E2E2;
-    long long RxAddress_PIPE0 = 0xC2C2C2C2C2;
-    
-    my_nrf24l01p.powerUp();
-    my_nrf24l01p.setRfFrequency(2410);
-    
-    //set rx address with default address and for specified pipe
-    my_nrf24l01p.setRxAddress(RxAddress_PIPE1, DEFAULT_NRF24L01P_ADDRESS_WIDTH, NRF24L01P_PIPE_P1);
-    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() );
-    
-    //display rx address for both pipes
-    pc.printf( "nRF24L01+ RX Address - PIPE0  : 0x%010llX\r\n", my_nrf24l01p.getRxAddress(NRF24L01P_PIPE_P0) );
-    pc.printf( "nRF24L01+ RX Address - PIPE1  : 0x%010llX\r\n", my_nrf24l01p.getRxAddress(NRF24L01P_PIPE_P1) );
- 
-    pc.printf( "Wireless Sensor Network - Multiceiver\r\n" );
-    
-    RxDataCnt_PIPE0 = 1;
-    RxDataCnt_PIPE1 = 1;
-    
-    //set transfer size explicitly for both pipes
-    my_nrf24l01p.setTransferSize(RxDataCnt_PIPE1, NRF24L01P_PIPE_P1);
-    my_nrf24l01p.setTransferSize(RxDataCnt_PIPE0, NRF24L01P_PIPE_P0);
-    
-    my_nrf24l01p.setReceiveMode();
-    my_nrf24l01p.enable();
- 
-    while (1) {
-        
-        //check if data is available in pipe0
-        if ( my_nrf24l01p.readable(NRF24L01P_PIPE_P0) ) {
- 
-            // ...read the data into the receive buffer
-            temp = my_nrf24l01p.read( NRF24L01P_PIPE_P0, count, RxDataCnt_PIPE0 );
- 
-            pc.printf("Received: %d bytes from PIPE0; POT=%d\r\n",temp, count[0]);
-            
-            // Toggle LED2 (to help debug nRF24L01+ -> Host communication)
-            GreenLED = !GreenLED;
-            wait_ms(10);
-        }
-        
-        //check if data is there in pipe1
-        if ( my_nrf24l01p.readable(NRF24L01P_PIPE_P1) ) {
- 
-            // ...read the data into the receive buffer
-            temp = my_nrf24l01p.read( NRF24L01P_PIPE_P1, count, RxDataCnt_PIPE1 );
- 
-            pc.printf("Received: %d bytes from PIPE1; POT=%d\r\n",temp, count[0]);
-            
-            // Toggle LED2 (to help debug nRF24L01+ -> Host communication)
-            BlueLED = !BlueLED;
-            wait_ms(10);
-        }
-    }
-}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/node1.cpp	Mon Jun 06 11:05:41 2016 +0000
@@ -0,0 +1,64 @@
+/****PIPE1 Transmitter****/
+
+#include "mbed.h"
+#include "nRF24L01P.h"
+ 
+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 pipe1: 5bytes long; different for every pipe
+    long long TxAddress_PIPE1 = 0xE2E2E2E2E2;
+    long long RxAddress_PIPE1 = 0xE2E2E2E2E2;
+ 
+    my_nrf24l01p.powerUp();
+    my_nrf24l01p.setRfFrequency(2410);
+    
+    //set tx address
+    my_nrf24l01p.setTxAddress(TxAddress_PIPE1);
+    
+    //set rxaddress with default width for specified pipe
+    my_nrf24l01p.setRxAddress(RxAddress_PIPE1, DEFAULT_NRF24L01P_ADDRESS_WIDTH, NRF24L01P_PIPE_P1);
+    
+    // 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 - PIPE1   : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
+    
+    pc.printf( "Wirelesss sensor network \r\n");
+        
+    TxDataCnt = 1;
+    
+    //set transfer size for each pipe
+    my_nrf24l01p.setTransferSize(TxDataCnt, NRF24L01P_PIPE_P1);
+    my_nrf24l01p.enable();
+    
+    char pot_val;
+    
+    while (1) {
+        
+        //adjusting data to 0-255 with char data type
+        pot_val = 255*(pot.read());
+        
+        count[0] = pot_val;
+        
+        //transmit on specified pipe
+        temp = my_nrf24l01p.write( NRF24L01P_PIPE_P1,count, TxDataCnt );
+ 
+        pc.printf( "Sending %d bytes from PIPE1; POT=%d\r\n",temp,count[0]);
+ 
+        // Toggle LED1 (to help debug Host -> nRF24L01+ communication)
+        RedLED = !RedLED;
+          
+        wait(1);
+    }
+}
\ No newline at end of file