nRF24L01+ BER app TX

Dependencies:   mbed nRF24L01P

Fork of nRF24L01P_Hello_World by Owen Edwards

Files at this revision

API Documentation at this revision

Comitter:
ttajmajer
Date:
Mon Nov 07 15:56:56 2016 +0000
Parent:
1:5be2682710c6
Commit message:
nRF24L01+ BER app TX

Changed in this revision

main.cpp Show diff for this revision Revisions of this file
main_tx.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
diff -r 5be2682710c6 -r e72fd316e27a 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 e72fd316e27a main_tx.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main_tx.cpp	Mon Nov 07 15:56:56 2016 +0000
@@ -0,0 +1,111 @@
+#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
+
+//***************************************************************************//
+
+
+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 led(LED1);
+InterruptIn button(USER_BUTTON);
+
+bool send_data = false;
+long tx_packet_counter = 0;
+long tx_bit_counter = 0;
+bool status = false;
+
+
+void tick_status(){
+    status = true;
+}
+
+void print_status(){
+    char buff[128];
+    
+    sprintf(buff, "TX status: %d\r\n"
+                  "TX packets num: %ld\r\n"
+                  "TX bits num:    %ld\r\n\r\n", send_data, tx_packet_counter, tx_bit_counter);
+    
+    pc.write((const uint8_t *)buff, strlen(buff), 0, 0);
+}
+    
+void onoff(){
+    if(send_data == false){
+        send_data = true;
+        led = 1;
+    } else {
+        send_data = false;
+        led = 0;
+    }
+}
+
+int main() {
+    #define TRANSFER_SIZE   32
+    #define CODE 0xAA
+    char txData[TRANSFER_SIZE];
+    Ticker status_ticker;
+    
+
+    for(int i=0; i<TRANSFER_SIZE;i++){
+        txData[i] = CODE;
+    }
+    
+    status_ticker.attach(&tick_status, 1.0);
+    button.rise(&onoff);
+    pc.baud(115200);
+    
+    radio.powerDown();
+    radio.powerUp();
+    
+    radio.setAirDataRate(DATA_RATE);
+    radio.setRfOutputPower(POWER);
+    radio.setRfFrequency(NRF24L01P_MIN_RF_FREQUENCY + 4 * CHANNEL);
+    
+    radio.setTransferSize(TRANSFER_SIZE);
+    radio.setCrcWidth(NRF24L01P_CRC_NONE);
+    
+    pc.printf( "=======================================\r\n");
+    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() );
+    pc.printf( "=======================================\r\n");
+
+
+    while(1){
+        
+        if(send_data){  
+            int tx_bytes;
+            
+            tx_bytes = radio.write( NRF24L01P_PIPE_P0, txData, TRANSFER_SIZE);
+            
+            if(tx_bytes < 0){
+                pc.printf("TX ERROR!\r\n");
+            } else{
+                tx_packet_counter += 1;
+                tx_bit_counter += tx_bytes * 8; 
+            }
+        }
+        
+        if(status){
+            print_status();
+            status = false;
+        }
+    }
+}
diff -r 5be2682710c6 -r e72fd316e27a mbed.bld
--- a/mbed.bld	Wed Jan 19 23:53:19 2011 +0000
+++ b/mbed.bld	Mon Nov 07 15:56:56 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