Devashish Mali / Mbed 2 deprecated Advance_lab_11_Surface_Orientation_Detector_nrf_RX

22

Dependencies:   MMA8451Q mbed nRF24L01P

main.cpp@0:295c4784a7a6, 2017-04-04 (annotated)

Committer:
Devashish1806
Date:
Tue Apr 04 07:46:30 2017 +0000
Revision:
0:295c4784a7a6
22

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Devashish1806 0:295c4784a7a6 1 #include "mbed.h"
Devashish1806 0:295c4784a7a6 2 #include "nRF24L01P.h"
Devashish1806 0:295c4784a7a6 3 #include "MMA8451Q.h"
Devashish1806 0:295c4784a7a6 4
Devashish1806 0:295c4784a7a6 5 Serial pc(USBTX, USBRX); // tx, rx
Devashish1806 0:295c4784a7a6 6
Devashish1806 0:295c4784a7a6 7 nRF24L01P my_nrf24l01p(PTD2, PTD3, PTD1, PTD0, PTD5, PTD4); // mosi, miso, sck, csn, ce, irq
Devashish1806 0:295c4784a7a6 8 DigitalOut ledr(PTA5);
Devashish1806 0:295c4784a7a6 9 DigitalOut ledg(PTA12);
Devashish1806 0:295c4784a7a6 10 DigitalOut ledb(PTC8);
Devashish1806 0:295c4784a7a6 11
Devashish1806 0:295c4784a7a6 12 int main() {
Devashish1806 0:295c4784a7a6 13 char count[2];
Devashish1806 0:295c4784a7a6 14 char RxDataCnt;
Devashish1806 0:295c4784a7a6 15 char temp;
Devashish1806 0:295c4784a7a6 16 float x;
Devashish1806 0:295c4784a7a6 17 float y;
Devashish1806 0:295c4784a7a6 18
Devashish1806 0:295c4784a7a6 19
Devashish1806 0:295c4784a7a6 20 my_nrf24l01p.powerUp();
Devashish1806 0:295c4784a7a6 21 my_nrf24l01p.setRfFrequency(2416);
Devashish1806 0:295c4784a7a6 22 // Display the (default) setup of the nRF24L01+ chip
Devashish1806 0:295c4784a7a6 23 pc.printf( "nRF24L01+ Frequency : %d MHz\r\n", my_nrf24l01p.getRfFrequency() );
Devashish1806 0:295c4784a7a6 24 pc.printf( "nRF24L01+ Output power : %d dBm\r\n", my_nrf24l01p.getRfOutputPower() );
Devashish1806 0:295c4784a7a6 25 pc.printf( "nRF24L01+ Data Rate : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
Devashish1806 0:295c4784a7a6 26 pc.printf( "nRF24L01+ TX Address : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
Devashish1806 0:295c4784a7a6 27 pc.printf( "nRF24L01+ RX Address : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() );
Devashish1806 0:295c4784a7a6 28
Devashish1806 0:295c4784a7a6 29 pc.printf( "Simple 4 Byte Receiver\r\n" );
Devashish1806 0:295c4784a7a6 30
Devashish1806 0:295c4784a7a6 31 RxDataCnt = 2;
Devashish1806 0:295c4784a7a6 32 my_nrf24l01p.setTransferSize( RxDataCnt );
Devashish1806 0:295c4784a7a6 33
Devashish1806 0:295c4784a7a6 34 my_nrf24l01p.setReceiveMode();
Devashish1806 0:295c4784a7a6 35 my_nrf24l01p.enable();
Devashish1806 0:295c4784a7a6 36 while (1) {
Devashish1806 0:295c4784a7a6 37
Devashish1806 0:295c4784a7a6 38
Devashish1806 0:295c4784a7a6 39
Devashish1806 0:295c4784a7a6 40 // If we've received anything in the nRF24L01+...
Devashish1806 0:295c4784a7a6 41 if ( my_nrf24l01p.readable() ) {
Devashish1806 0:295c4784a7a6 42
Devashish1806 0:295c4784a7a6 43 // ...read the data into the receive buffer
Devashish1806 0:295c4784a7a6 44 temp = my_nrf24l01p.read( NRF24L01P_PIPE_P0, count, RxDataCnt );
Devashish1806 0:295c4784a7a6 45
Devashish1806 0:295c4784a7a6 46
Devashish1806 0:295c4784a7a6 47 pc.printf( "Cnt %d = %d %d\r\n",temp,count[0],count[1]);
Devashish1806 0:295c4784a7a6 48 x = (count[0]/70)-3.3;
Devashish1806 0:295c4784a7a6 49 y = (count[1]/70)-3.3;
Devashish1806 0:295c4784a7a6 50
Devashish1806 0:295c4784a7a6 51 if((x>-0.2 && x<0.2) && (y>-0.2 && y<0.2))
Devashish1806 0:295c4784a7a6 52 {
Devashish1806 0:295c4784a7a6 53
Devashish1806 0:295c4784a7a6 54 ledg = 1;
Devashish1806 0:295c4784a7a6 55 ledb = 1;
Devashish1806 0:295c4784a7a6 56 ledr = 0;
Devashish1806 0:295c4784a7a6 57
Devashish1806 0:295c4784a7a6 58 }
Devashish1806 0:295c4784a7a6 59 else if(((x>-0.6 && x<-0.2) | (x>0.2 && x<0.6)) || ((y>-0.6 && y<-0.2) | (y>0.2 && y<0.6)))
Devashish1806 0:295c4784a7a6 60 {
Devashish1806 0:295c4784a7a6 61
Devashish1806 0:295c4784a7a6 62 ledr = 1;
Devashish1806 0:295c4784a7a6 63 ledb = 1;
Devashish1806 0:295c4784a7a6 64 ledg = 0;
Devashish1806 0:295c4784a7a6 65
Devashish1806 0:295c4784a7a6 66 }
Devashish1806 0:295c4784a7a6 67 else if((x<-0.6 | x>0.6) | (y<-0.6 | y>0.6))
Devashish1806 0:295c4784a7a6 68 {
Devashish1806 0:295c4784a7a6 69 ledg = 1;
Devashish1806 0:295c4784a7a6 70 ledr = 1;
Devashish1806 0:295c4784a7a6 71 ledb = 0;
Devashish1806 0:295c4784a7a6 72
Devashish1806 0:295c4784a7a6 73
Devashish1806 0:295c4784a7a6 74 }
Devashish1806 0:295c4784a7a6 75 else
Devashish1806 0:295c4784a7a6 76 {
Devashish1806 0:295c4784a7a6 77 ledr = 1;
Devashish1806 0:295c4784a7a6 78 ledg = 1;
Devashish1806 0:295c4784a7a6 79 ledb = 1;
Devashish1806 0:295c4784a7a6 80
Devashish1806 0:295c4784a7a6 81 }
Devashish1806 0:295c4784a7a6 82
Devashish1806 0:295c4784a7a6 83 // Toggle LED2 (to help debug nRF24L01+ -> Host communication)
Devashish1806 0:295c4784a7a6 84
Devashish1806 0:295c4784a7a6 85 }
Devashish1806 0:295c4784a7a6 86 }
Devashish1806 0:295c4784a7a6 87
Devashish1806 0:295c4784a7a6 88 }