main_gw.cpp

00001 #include "mbed.h"
00002 #include "nRF24L01P.h"
00003 
00004 //***************************************************************************//
00005 // !!! SETTINGS !!!
00006 
00007 #define DATA_RATE       NRF24L01P_DATARATE_250_KBPS    
00008 //#define DATA_RATE       NRF24L01P_DATARATE_1_MBPS     
00009 //#define DATA_RATE       NRF24L01P_DATARATE_2_MBPS    
00010 
00011 #define POWER           NRF24L01P_TX_PWR_ZERO_DB
00012 //#define POWER           NRF24L01P_TX_PWR_MINUS_6_DB
00013 //#define POWER           NRF24L01P_TX_PWR_MINUS_12_DB
00014 //#define POWER           NRF24L01P_TX_PWR_MINUS_18_DB
00015 
00016 #define CHANNEL         0 // 0 - 30
00017 
00018 
00019 #define RX_ADDRESS      ((unsigned long long) 0xABCDEF00)
00020 #define TX_ADDRESS      ((unsigned long long) 0xABCDEF01)
00021 #define ECHO_DELAY      0.0
00022 
00023 #define TRANSFER_SIZE   32
00024 
00025 //***************************************************************************//
00026 
00027 
00028 
00029 Serial pc(USBTX, USBRX); // tx, rx
00030 Serial wifi(PA_9, PA_10);
00031 nRF24L01P radio(PB_15, PB_14, PB_13, PB_12, PB_1, PB_2);    // mosi, miso, sck, csn, ce, irq
00032 
00033 
00034 DigitalOut myled1(LED1);
00035 InterruptIn button(USER_BUTTON);
00036 
00037 bool send_data = false;
00038 
00039 void send_packet(){
00040     send_data = true;
00041 }
00042 
00043 int main() {
00044 
00045     
00046     char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE];
00047 
00048     pc.baud(115200);
00049     wifi.baud(115200);
00050     radio.powerDown();
00051     radio.powerUp();
00052     
00053     button.rise(&send_packet);
00054     
00055     radio.setAirDataRate(DATA_RATE);
00056     radio.setRfOutputPower(POWER);
00057     radio.setRfFrequency(NRF24L01P_MIN_RF_FREQUENCY + 4 * CHANNEL);
00058     
00059     radio.setCrcWidth(NRF24L01P_CRC_8_BIT);
00060     radio.enableAutoAcknowledge(NRF24L01P_PIPE_P0);
00061     radio.enableAutoAcknowledge(NRF24L01P_PIPE_P1);
00062     radio.enableAutoRetransmit(0x0F, 0x0F);
00063     
00064     radio.setTxAddress(TX_ADDRESS, 4);
00065     radio.setRxAddress(TX_ADDRESS, 4, NRF24L01P_PIPE_P0);
00066     
00067     radio.setRxAddress(RX_ADDRESS, 4, NRF24L01P_PIPE_P1);
00068     
00069     // Display the (default) setup of the nRF24L01+ chip
00070     pc.printf( "nRF24L01+ Frequency    : %d MHz\r\n",  radio.getRfFrequency() );
00071     pc.printf( "nRF24L01+ Output power : %d dBm\r\n",  radio.getRfOutputPower() );
00072     pc.printf( "nRF24L01+ Data Rate    : %d kbps\r\n", radio.getAirDataRate() );
00073     pc.printf( "nRF24L01+ TX Address   : 0x%010llX\r\n", radio.getTxAddress() );
00074     pc.printf( "nRF24L01+ RX0 Address   : 0x%010llX\r\n", radio.getRxAddress(NRF24L01P_PIPE_P0) );
00075     pc.printf( "nRF24L01+ RX1 Address   : 0x%010llX\r\n", radio.getRxAddress(NRF24L01P_PIPE_P1) );
00076 
00077 
00078     radio.setTransferSize(TRANSFER_SIZE, NRF24L01P_PIPE_P0);
00079     radio.setTransferSize(TRANSFER_SIZE, NRF24L01P_PIPE_P1);
00080     
00081     myled1 = 0;
00082 
00083     radio.setReceiveMode();
00084     radio.enable();
00085 
00086     while (1) {
00087         int tx_bytes=0;
00088         int rx_bytes=0;
00089 
00090         if(radio.readable(NRF24L01P_PIPE_P1)){
00091 
00092             rx_bytes = radio.read(NRF24L01P_PIPE_P1, rxData, sizeof(rxData));
00093             myled1 = 1;
00094             //pc.printf("MSG [%d]\r\n");
00095             wifi.write((const uint8_t *)rxData, sizeof(rxData), 0, 0);   
00096             
00097         }   
00098        
00099     }
00100 }