Revision 2:352f66e435da, committed 2016-11-15

Comitter:

ttajmajer

Date:

Tue Nov 15 08:41:29 2016 +0000

Parent:

1:5be2682710c6

Commit message:

JNP3 nrf24 echo app

Changed in this revision

diff -r 5be2682710c6 -r 352f66e435da main.cpp
--- a/main.cpp	Wed Jan 19 23:53:19 2011 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,75 +0,0 @@
-#include "mbed.h"
-#include "nRF24L01P.h"
-
-Serial pc(USBTX, USBRX); // tx, rx
-
-nRF24L01P my_nrf24l01p(p5, p6, p7, p8, p9, p10);    // mosi, miso, sck, csn, ce, irq
-
-DigitalOut myled1(LED1);
-DigitalOut myled2(LED2);
-
-int main() {
-
-// The nRF24L01+ supports transfers from 1 to 32 bytes, but Sparkfun's
-//  "Nordic Serial Interface Board" (http://www.sparkfun.com/products/9019)
-//  only handles 4 byte transfers in the ATMega code.
-#define TRANSFER_SIZE   4
-
-    char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE];
-    int txDataCnt = 0;
-    int rxDataCnt = 0;
-
-    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) {
-
-        // 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;
-            }
-
-            // Toggle LED1 (to help debug Host -> nRF24L01+ communication)
-            myled1 = !myled1;
-        }
-
-        // 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] );
-            }
-
-            // Toggle LED2 (to help debug nRF24L01+ -> Host communication)
-            myled2 = !myled2;
-        }
-    }
-}

diff -r 5be2682710c6 -r 352f66e435da main_echo.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main_echo.cpp	Tue Nov 15 08:41:29 2016 +0000
@@ -0,0 +1,96 @@
+#include "mbed.h"
+#include "nRF24L01P.h"
+
+//***************************************************************************//
+// !!! SETTINGS !!!
+
+#define DATA_RATE       NRF24L01P_DATARATE_250_KBPS    
+//#define DATA_RATE       NRF24L01P_DATARATE_1_MBPS     
+//#define DATA_RATE       NRF24L01P_DATARATE_2_MBPS    
+
+#define POWER           NRF24L01P_TX_PWR_ZERO_DB
+//#define POWER           NRF24L01P_TX_PWR_MINUS_6_DB
+//#define POWER           NRF24L01P_TX_PWR_MINUS_12_DB
+//#define POWER           NRF24L01P_TX_PWR_MINUS_18_DB
+
+#define CHANNEL         0 // 0 - 30
+
+
+#define RX_ADDRESS      ((unsigned long long) 0xABCDEF02)
+#define TX_ADDRESS      ((unsigned long long) 0xABCDEF00)
+#define ECHO_DELAY      0.2
+
+#define TRANSFER_SIZE   1
+
+//***************************************************************************//
+
+
+
+Serial pc(USBTX, USBRX); // tx, rx
+nRF24L01P radio(PB_15, PB_14, PB_13, PB_12, PB_1, PB_2);    // mosi, miso, sck, csn, ce, irq
+
+
+DigitalOut myled1(LED1);
+InterruptIn button(USER_BUTTON);
+
+bool send_data = false;
+
+void send_packet(){
+    send_data = true;
+}
+
+int main() {
+
+    
+    char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE];
+
+    pc.baud(115200);
+    radio.powerDown();
+    radio.powerUp();
+    
+    button.rise(&send_packet);
+    
+    radio.setAirDataRate(DATA_RATE);
+    radio.setRfOutputPower(POWER);
+    radio.setRfFrequency(NRF24L01P_MIN_RF_FREQUENCY + 4 * CHANNEL);
+    radio.setRxAddress(RX_ADDRESS, 4);
+    radio.setTxAddress(TX_ADDRESS, 4);
+    radio.setCrcWidth(NRF24L01P_CRC_8_BIT);
+
+    // Display the (default) setup of the nRF24L01+ chip
+    pc.printf( "nRF24L01+ Frequency    : %d MHz\r\n",  radio.getRfFrequency() );
+    pc.printf( "nRF24L01+ Output power : %d dBm\r\n",  radio.getRfOutputPower() );
+    pc.printf( "nRF24L01+ Data Rate    : %d kbps\r\n", radio.getAirDataRate() );
+    pc.printf( "nRF24L01+ TX Address   : 0x%010llX\r\n", radio.getTxAddress() );
+    pc.printf( "nRF24L01+ RX Address   : 0x%010llX\r\n", radio.getRxAddress() );
+
+
+    radio.setTransferSize( TRANSFER_SIZE );
+    
+    myled1 = 0;
+
+    radio.setReceiveMode();
+    radio.enable();
+
+    while (1) {
+        int tx_bytes;
+        int rx_bytes;
+
+        if(radio.readable()){
+
+            rx_bytes = radio.read(NRF24L01P_PIPE_P0, rxData, sizeof(rxData));
+            myled1 = 1;
+            
+            wait(ECHO_DELAY);
+            
+            tx_bytes = radio.write(NRF24L01P_PIPE_P0, txData, TRANSFER_SIZE);
+            myled1 = 0;
+        }
+        
+        if(send_data){
+            tx_bytes = radio.write(NRF24L01P_PIPE_P0, txData, TRANSFER_SIZE);
+            send_data = false;
+        }
+        
+    }
+}

diff -r 5be2682710c6 -r 352f66e435da mbed.bld
--- a/mbed.bld	Wed Jan 19 23:53:19 2011 +0000
+++ b/mbed.bld	Tue Nov 15 08:41:29 2016 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/mbed_official/code/mbed/builds/e2ac27c8e93e
+http://mbed.org/users/mbed_official/code/mbed/builds/abea610beb85
\ No newline at end of file