Eduvance SIT2017 / Mbed 2 deprecated WSN_Coordinator

Wireless sensor network co-ordinator.

Dependencies:   mbed nRF24L01P

Fork of WSN_Coordinator by Janhavi Kulkarni

Receiver.cpp@5:2f12cc3b6acb, 2016-06-07 (annotated)

Committer:
SIT2016
Date:
Tue Jun 07 06:11:45 2016 +0000
Revision:
5:2f12cc3b6acb
Parent:
4:b3a70cbb7c81 
added serial plotting

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"
ganeshgore 2:9f401852272c 4 #include "nRF24L01P.h"
janhavi 3:208abcd4751d 5
ganeshgore 2:9f401852272c 6 Serial pc(USBTX, USBRX); // tx, rx
janhavi 3:208abcd4751d 7
janhavi 3:208abcd4751d 8 nRF24L01P my_nrf24l01p(PTD2, PTD3, PTD1, PTD0, PTD5, PTD4); // mosi, miso, sck, csn, ce, irq
janhavi 4:b3a70cbb7c81 9
janhavi 4:b3a70cbb7c81 10 //blue for pipe1 and green for pipe0
janhavi 4:b3a70cbb7c81 11 DigitalOut GreenLED(PTA12);
janhavi 4:b3a70cbb7c81 12 DigitalOut BlueLED(PTC8);
janhavi 3:208abcd4751d 13
ganeshgore 2:9f401852272c 14 int main() {
ganeshgore 2:9f401852272c 15
janhavi 4:b3a70cbb7c81 16 char count[1];
janhavi 4:b3a70cbb7c81 17 char RxDataCnt_PIPE0, RxDataCnt_PIPE1;
ganeshgore 2:9f401852272c 18 char temp;
SIT2016 5:2f12cc3b6acb 19 char pot1Val, pot2Val;
janhavi 3:208abcd4751d 20
janhavi 4:b3a70cbb7c81 21 //specifying address same as transmitter for pipe0 and pipe1
janhavi 4:b3a70cbb7c81 22 long long RxAddress_PIPE1 = 0xE2E2E2E2E2;
janhavi 4:b3a70cbb7c81 23 long long RxAddress_PIPE0 = 0xC2C2C2C2C2;
janhavi 4:b3a70cbb7c81 24
ganeshgore 2:9f401852272c 25 my_nrf24l01p.powerUp();
ganeshgore 2:9f401852272c 26 my_nrf24l01p.setRfFrequency(2410);
janhavi 4:b3a70cbb7c81 27
janhavi 4:b3a70cbb7c81 28 //set rx address with default address and for specified pipe
janhavi 4:b3a70cbb7c81 29 my_nrf24l01p.setRxAddress(RxAddress_PIPE1, DEFAULT_NRF24L01P_ADDRESS_WIDTH, NRF24L01P_PIPE_P1);
janhavi 4:b3a70cbb7c81 30 my_nrf24l01p.setRxAddress(RxAddress_PIPE0, DEFAULT_NRF24L01P_ADDRESS_WIDTH, NRF24L01P_PIPE_P0);
janhavi 4:b3a70cbb7c81 31
janhavi 3:208abcd4751d 32
ganeshgore 2:9f401852272c 33 // Display the (default) setup of the nRF24L01+ chip
ganeshgore 2:9f401852272c 34 pc.printf( "nRF24L01+ Frequency : %d MHz\r\n", my_nrf24l01p.getRfFrequency() );
ganeshgore 2:9f401852272c 35 pc.printf( "nRF24L01+ Output power : %d dBm\r\n", my_nrf24l01p.getRfOutputPower() );
ganeshgore 2:9f401852272c 36 pc.printf( "nRF24L01+ Data Rate : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
janhavi 4:b3a70cbb7c81 37
janhavi 4:b3a70cbb7c81 38 //display rx address for both pipes
janhavi 4:b3a70cbb7c81 39 pc.printf( "nRF24L01+ RX Address - PIPE0 : 0x%010llX\r\n", my_nrf24l01p.getRxAddress(NRF24L01P_PIPE_P0) );
janhavi 4:b3a70cbb7c81 40 pc.printf( "nRF24L01+ RX Address - PIPE1 : 0x%010llX\r\n", my_nrf24l01p.getRxAddress(NRF24L01P_PIPE_P1) );
janhavi 3:208abcd4751d 41
janhavi 4:b3a70cbb7c81 42 pc.printf( "Wireless Sensor Network - Multiceiver\r\n" );
ganeshgore 2:9f401852272c 43
janhavi 4:b3a70cbb7c81 44 RxDataCnt_PIPE0 = 1;
janhavi 4:b3a70cbb7c81 45 RxDataCnt_PIPE1 = 1;
janhavi 4:b3a70cbb7c81 46
janhavi 4:b3a70cbb7c81 47 //set transfer size explicitly for both pipes
janhavi 4:b3a70cbb7c81 48 my_nrf24l01p.setTransferSize(RxDataCnt_PIPE1, NRF24L01P_PIPE_P1);
janhavi 4:b3a70cbb7c81 49 my_nrf24l01p.setTransferSize(RxDataCnt_PIPE0, NRF24L01P_PIPE_P0);
ganeshgore 2:9f401852272c 50
ganeshgore 2:9f401852272c 51 my_nrf24l01p.setReceiveMode();
ganeshgore 2:9f401852272c 52 my_nrf24l01p.enable();
janhavi 3:208abcd4751d 53
ganeshgore 2:9f401852272c 54 while (1) {
janhavi 4:b3a70cbb7c81 55
janhavi 4:b3a70cbb7c81 56 //check if data is available in pipe0
janhavi 4:b3a70cbb7c81 57 if ( my_nrf24l01p.readable(NRF24L01P_PIPE_P0) ) {
janhavi 3:208abcd4751d 58
ganeshgore 2:9f401852272c 59 // ...read the data into the receive buffer
janhavi 4:b3a70cbb7c81 60 temp = my_nrf24l01p.read( NRF24L01P_PIPE_P0, count, RxDataCnt_PIPE0 );
SIT2016 5:2f12cc3b6acb 61
SIT2016 5:2f12cc3b6acb 62 pot1Val = count[0];
janhavi 3:208abcd4751d 63
SIT2016 5:2f12cc3b6acb 64 //pc.printf("Received: %d bytes from PIPE0; POT=%d\r\n",temp, count[0]);
janhavi 3:208abcd4751d 65
ganeshgore 2:9f401852272c 66 // Toggle LED2 (to help debug nRF24L01+ -> Host communication)
ganeshgore 2:9f401852272c 67 GreenLED = !GreenLED;
ganeshgore 2:9f401852272c 68 }
janhavi 4:b3a70cbb7c81 69
janhavi 4:b3a70cbb7c81 70 //check if data is there in pipe1
janhavi 4:b3a70cbb7c81 71 if ( my_nrf24l01p.readable(NRF24L01P_PIPE_P1) ) {
janhavi 4:b3a70cbb7c81 72
janhavi 4:b3a70cbb7c81 73 // ...read the data into the receive buffer
janhavi 4:b3a70cbb7c81 74 temp = my_nrf24l01p.read( NRF24L01P_PIPE_P1, count, RxDataCnt_PIPE1 );
SIT2016 5:2f12cc3b6acb 75
SIT2016 5:2f12cc3b6acb 76 pot2Val = count[0];
janhavi 4:b3a70cbb7c81 77
SIT2016 5:2f12cc3b6acb 78 //pc.printf("Received: %d bytes from PIPE1; POT=%d\r\n",temp, count[0]);
janhavi 4:b3a70cbb7c81 79
janhavi 4:b3a70cbb7c81 80 // Toggle LED2 (to help debug nRF24L01+ -> Host communication)
janhavi 4:b3a70cbb7c81 81 BlueLED = !BlueLED;
janhavi 4:b3a70cbb7c81 82 }
SIT2016 5:2f12cc3b6acb 83 wait_ms(100);
SIT2016 5:2f12cc3b6acb 84 pc.printf("$%d %d;", pot1Val, pot2Val);
ganeshgore 2:9f401852272c 85 }
janhavi 3:208abcd4751d 86 }