Diff: main_tx.cpp

Revision:

2:e72fd316e27a

--- /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;
+        }
+    }
+}