Diff: main.cpp

Revision:

0:4baeaa8661bc

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Oct 10 22:35:07 2017 +0000
@@ -0,0 +1,84 @@
+#include "mbed.h"
+#include "nRF24L01P.h"
+
+#define TRANSFER_SIZE   8
+
+Serial pc(USBTX, USBRX); // tx, rx
+
+nRF24L01P my_nrf24l01p(PF_9, PF_8, PF_7, PG_7, PA_8, PA_15);    // mosi, miso, sck, csn, ce, irq
+
+DigitalOut myled1(LED1);
+
+// main() runs in its own thread in the OS
+int main() {
+    
+    char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE];
+    int txDataCnt = 0;
+    int rxDataCnt = 0;
+    char r ='R';
+    char e ='E';
+    char s ='S';
+
+    my_nrf24l01p.powerUp();
+
+    // 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   : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
+    pc.printf( "nRF24L01+ RX Address   : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() );
+
+    pc.printf( "Type keys to test transfers:\r\n(transfers are grouped into %d characters)\r\n", TRANSFER_SIZE );
+
+    my_nrf24l01p.setTransferSize( TRANSFER_SIZE );
+
+    my_nrf24l01p.setReceiveMode();
+    my_nrf24l01p.enable();
+
+    while (1) {
+        
+        myled1 = !myled1;
+        wait(0.5);
+        
+        // If we've received anything over the host serial link...
+        if ( pc.readable() ) {
+
+            // ...add it to the transmit buffer
+            txData[txDataCnt++] = pc.getc();
+
+            // If the transmit buffer is full
+            if ( txDataCnt >= sizeof( txData ) ) {
+
+                // Send the transmitbuffer via the nRF24L01+
+                
+                my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt );
+
+                txDataCnt = 0;
+                
+                pc.putc(s);
+            }
+
+            pc.putc(e);
+        }
+
+        // If we've received anything in the nRF24L01+...
+        if ( my_nrf24l01p.readable() ) {
+
+            // ...read the data into the receive buffer
+            rxDataCnt = my_nrf24l01p.read( NRF24L01P_PIPE_P0, rxData, sizeof( rxData ) );
+
+            // Display the receive buffer contents via the host serial link
+            for ( int i = 0; rxDataCnt > 0; rxDataCnt--, i++ ) {
+
+                pc.putc( rxData[i] );
+
+            }
+            
+            pc.putc(r);
+            
+            // Toggle LED2 (to help debug nRF24L01+ -> Host communication)
+            //myled1 = !myled1;
+        }
+    }
+}
+