IBS / Mbed 2 deprecated WSN_Coordinator

Wsn co ordinator

Dependencies:   mbed nRF24L01P

Fork of WSN_Coordinator by Akashlal Bathe

Receiver.cpp@6:7a052af82e18, 2016-07-12 (annotated)

Committer:
akashlal
Date:
Tue Jul 12 15:49:20 2016 +0000
Revision:
6:7a052af82e18
Parent:
5:2f12cc3b6acb 
na

Who changed what in which revision?

UserRevisionLine numberNew contents of line
janhavi 4:b3a70cbb7c81 1 /*****Multiceiver wireless network*****/
janhavi 4:b3a70cbb7c81 2
ganeshgore 2:9f401852272c 3 #include "mbed.h"
akashlal 6:7a052af82e18 4 #include "nRF24L01P.h" //Including nRF library
ganeshgore 2:9f401852272c 5 Serial pc(USBTX, USBRX); // tx, rx
janhavi 3:208abcd4751d 6 nRF24L01P my_nrf24l01p(PTD2, PTD3, PTD1, PTD0, PTD5, PTD4); // mosi, miso, sck, csn, ce, irq
akashlal 6:7a052af82e18 7 DigitalOut GreenLED(PTA12); //For pipe 0
akashlal 6:7a052af82e18 8 DigitalOut BlueLED(PTC8); //For pipe 1
ganeshgore 2:9f401852272c 9 int main() {
ganeshgore 2:9f401852272c 10
akashlal 6:7a052af82e18 11 char count[1]; //1 byte array
akashlal 6:7a052af82e18 12 char RxDataCnt_PIPE0, RxDataCnt_PIPE1; //character for receiver pipe addresses
akashlal 6:7a052af82e18 13 char temp; //temporary variable
akashlal 6:7a052af82e18 14 char pot1Val, pot2Val; //Variables to be received and plotted
janhavi 3:208abcd4751d 15
janhavi 4:b3a70cbb7c81 16 //specifying address same as transmitter for pipe0 and pipe1
janhavi 4:b3a70cbb7c81 17 long long RxAddress_PIPE1 = 0xE2E2E2E2E2;
janhavi 4:b3a70cbb7c81 18 long long RxAddress_PIPE0 = 0xC2C2C2C2C2;
janhavi 4:b3a70cbb7c81 19
akashlal 6:7a052af82e18 20 my_nrf24l01p.powerUp(); //Powering up nrf chip
akashlal 6:7a052af82e18 21 my_nrf24l01p.setRfFrequency(2405); //Setting RF frequency, same for tx and rx
janhavi 4:b3a70cbb7c81 22
janhavi 4:b3a70cbb7c81 23 //set rx address with default address and for specified pipe
janhavi 4:b3a70cbb7c81 24 my_nrf24l01p.setRxAddress(RxAddress_PIPE1, DEFAULT_NRF24L01P_ADDRESS_WIDTH, NRF24L01P_PIPE_P1);
janhavi 4:b3a70cbb7c81 25 my_nrf24l01p.setRxAddress(RxAddress_PIPE0, DEFAULT_NRF24L01P_ADDRESS_WIDTH, NRF24L01P_PIPE_P0);
janhavi 4:b3a70cbb7c81 26
janhavi 3:208abcd4751d 27
ganeshgore 2:9f401852272c 28 // Display the (default) setup of the nRF24L01+ chip
ganeshgore 2:9f401852272c 29 pc.printf( "nRF24L01+ Frequency : %d MHz\r\n", my_nrf24l01p.getRfFrequency() );
ganeshgore 2:9f401852272c 30 pc.printf( "nRF24L01+ Output power : %d dBm\r\n", my_nrf24l01p.getRfOutputPower() );
ganeshgore 2:9f401852272c 31 pc.printf( "nRF24L01+ Data Rate : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
janhavi 4:b3a70cbb7c81 32
janhavi 4:b3a70cbb7c81 33 //display rx address for both pipes
janhavi 4:b3a70cbb7c81 34 pc.printf( "nRF24L01+ RX Address - PIPE0 : 0x%010llX\r\n", my_nrf24l01p.getRxAddress(NRF24L01P_PIPE_P0) );
janhavi 4:b3a70cbb7c81 35 pc.printf( "nRF24L01+ RX Address - PIPE1 : 0x%010llX\r\n", my_nrf24l01p.getRxAddress(NRF24L01P_PIPE_P1) );
janhavi 3:208abcd4751d 36
janhavi 4:b3a70cbb7c81 37 pc.printf( "Wireless Sensor Network - Multiceiver\r\n" );
ganeshgore 2:9f401852272c 38
janhavi 4:b3a70cbb7c81 39 RxDataCnt_PIPE0 = 1;
janhavi 4:b3a70cbb7c81 40 RxDataCnt_PIPE1 = 1;
janhavi 4:b3a70cbb7c81 41
janhavi 4:b3a70cbb7c81 42 //set transfer size explicitly for both pipes
janhavi 4:b3a70cbb7c81 43 my_nrf24l01p.setTransferSize(RxDataCnt_PIPE1, NRF24L01P_PIPE_P1);
janhavi 4:b3a70cbb7c81 44 my_nrf24l01p.setTransferSize(RxDataCnt_PIPE0, NRF24L01P_PIPE_P0);
ganeshgore 2:9f401852272c 45
ganeshgore 2:9f401852272c 46 my_nrf24l01p.setReceiveMode();
ganeshgore 2:9f401852272c 47 my_nrf24l01p.enable();
janhavi 3:208abcd4751d 48
ganeshgore 2:9f401852272c 49 while (1) {
janhavi 4:b3a70cbb7c81 50 //check if data is available in pipe0
janhavi 4:b3a70cbb7c81 51 if ( my_nrf24l01p.readable(NRF24L01P_PIPE_P0) ) {
ganeshgore 2:9f401852272c 52 // ...read the data into the receive buffer
janhavi 4:b3a70cbb7c81 53 temp = my_nrf24l01p.read( NRF24L01P_PIPE_P0, count, RxDataCnt_PIPE0 );
SIT2016 5:2f12cc3b6acb 54 pot1Val = count[0];
SIT2016 5:2f12cc3b6acb 55 //pc.printf("Received: %d bytes from PIPE0; POT=%d\r\n",temp, count[0]);
ganeshgore 2:9f401852272c 56 // Toggle LED2 (to help debug nRF24L01+ -> Host communication)
ganeshgore 2:9f401852272c 57 GreenLED = !GreenLED;
ganeshgore 2:9f401852272c 58 }
janhavi 4:b3a70cbb7c81 59 //check if data is there in pipe1
janhavi 4:b3a70cbb7c81 60 if ( my_nrf24l01p.readable(NRF24L01P_PIPE_P1) ) {
janhavi 4:b3a70cbb7c81 61 // ...read the data into the receive buffer
janhavi 4:b3a70cbb7c81 62 temp = my_nrf24l01p.read( NRF24L01P_PIPE_P1, count, RxDataCnt_PIPE1 );
SIT2016 5:2f12cc3b6acb 63 pot2Val = count[0];
SIT2016 5:2f12cc3b6acb 64 //pc.printf("Received: %d bytes from PIPE1; POT=%d\r\n",temp, count[0]);
janhavi 4:b3a70cbb7c81 65 // Toggle LED2 (to help debug nRF24L01+ -> Host communication)
janhavi 4:b3a70cbb7c81 66 BlueLED = !BlueLED;
janhavi 4:b3a70cbb7c81 67 }
SIT2016 5:2f12cc3b6acb 68 wait_ms(100);
SIT2016 5:2f12cc3b6acb 69 pc.printf("$%d %d;", pot1Val, pot2Val);
ganeshgore 2:9f401852272c 70 }
janhavi 3:208abcd4751d 71 }