Sensor CDT / Mbed 2 deprecated Sensor_Box_Xbee

Xbee comms for sensor box

Dependencies:   MMA8451Q mbed nRF24L01P

Fork of Sensor_Box by Sensor CDT

main.cpp@3:5c7f4e5a7605, 2015-05-30 (annotated)

Committer:
trisjph
Date:
Sat May 30 14:25:00 2015 +0000
Revision:
3:5c7f4e5a7605
Parent:
2:fb6e66ce1d84
Child:
4:7d3a1dfe5454
lklkklklkl;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Owen 0:a51a6e7da590 1 #include "mbed.h"
Owen 0:a51a6e7da590 2 #include "nRF24L01P.h"
trisjph 3:5c7f4e5a7605 3 #include "MMA8451Q.h"
trisjph 3:5c7f4e5a7605 4
trisjph 3:5c7f4e5a7605 5 #define MMA8451_I2C_ADDRESS (0x1d<<1)
Owen 0:a51a6e7da590 6
Owen 0:a51a6e7da590 7 Serial pc(USBTX, USBRX); // tx, rx
Owen 0:a51a6e7da590 8
trisjph 3:5c7f4e5a7605 9 PinName const SDA = PTE25;
trisjph 3:5c7f4e5a7605 10 PinName const SCL = PTE24;
trisjph 3:5c7f4e5a7605 11
jaehughes 2:fb6e66ce1d84 12 nRF24L01P my_nrf24l01p(PTD2, PTD3, PTD1, PTE0, PTE1, PTD0); // mosi, miso, sck, csn, ce, irq
Owen 0:a51a6e7da590 13
Owen 0:a51a6e7da590 14 DigitalOut myled1(LED1);
Owen 0:a51a6e7da590 15 DigitalOut myled2(LED2);
Owen 0:a51a6e7da590 16
trisjph 3:5c7f4e5a7605 17 int main()
trisjph 3:5c7f4e5a7605 18 {
trisjph 3:5c7f4e5a7605 19
trisjph 3:5c7f4e5a7605 20 MMA8451Q acc(SDA, SCL, MMA8451_I2C_ADDRESS);
trisjph 3:5c7f4e5a7605 21 //PwmOut rled(LED1);
trisjph 3:5c7f4e5a7605 22 //PwmOut gled(LED2);
trisjph 3:5c7f4e5a7605 23 //PwmOut bled(LED3);
Owen 0:a51a6e7da590 24
Owen 0:a51a6e7da590 25 // The nRF24L01+ supports transfers from 1 to 32 bytes, but Sparkfun's
Owen 0:a51a6e7da590 26 // "Nordic Serial Interface Board" (http://www.sparkfun.com/products/9019)
Owen 0:a51a6e7da590 27 // only handles 4 byte transfers in the ATMega code.
trisjph 3:5c7f4e5a7605 28 #define TRANSFER_SIZE 24
Owen 0:a51a6e7da590 29
Owen 0:a51a6e7da590 30 char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE];
Owen 0:a51a6e7da590 31 int txDataCnt = 0;
Owen 0:a51a6e7da590 32 int rxDataCnt = 0;
Owen 0:a51a6e7da590 33
Owen 0:a51a6e7da590 34 my_nrf24l01p.powerUp();
Owen 0:a51a6e7da590 35
Owen 0:a51a6e7da590 36 // Display the (default) setup of the nRF24L01+ chip
Owen 0:a51a6e7da590 37 pc.printf( "nRF24L01+ Frequency : %d MHz\r\n", my_nrf24l01p.getRfFrequency() );
Owen 0:a51a6e7da590 38 pc.printf( "nRF24L01+ Output power : %d dBm\r\n", my_nrf24l01p.getRfOutputPower() );
Owen 0:a51a6e7da590 39 pc.printf( "nRF24L01+ Data Rate : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
Owen 0:a51a6e7da590 40 pc.printf( "nRF24L01+ TX Address : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
Owen 0:a51a6e7da590 41 pc.printf( "nRF24L01+ RX Address : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() );
Owen 0:a51a6e7da590 42
Owen 0:a51a6e7da590 43 pc.printf( "Type keys to test transfers:\r\n (transfers are grouped into %d characters)\r\n", TRANSFER_SIZE );
Owen 0:a51a6e7da590 44
Owen 0:a51a6e7da590 45 my_nrf24l01p.setTransferSize( TRANSFER_SIZE );
Owen 0:a51a6e7da590 46
Owen 0:a51a6e7da590 47 my_nrf24l01p.setReceiveMode();
Owen 0:a51a6e7da590 48 my_nrf24l01p.enable();
Owen 0:a51a6e7da590 49
trisjph 3:5c7f4e5a7605 50
trisjph 3:5c7f4e5a7605 51
trisjph 3:5c7f4e5a7605 52 printf("MMA8451 ID: %d\n", acc.getWhoAmI());
trisjph 3:5c7f4e5a7605 53
Owen 0:a51a6e7da590 54 while (1) {
Owen 0:a51a6e7da590 55
trisjph 3:5c7f4e5a7605 56 float x, y, z;
trisjph 3:5c7f4e5a7605 57 x = abs(acc.getAccX());
trisjph 3:5c7f4e5a7605 58 y = abs(acc.getAccY());
trisjph 3:5c7f4e5a7605 59 z = abs(acc.getAccZ());
trisjph 3:5c7f4e5a7605 60 //rled = 1.0f - x;
trisjph 3:5c7f4e5a7605 61 //gled = 1.0f - y;
trisjph 3:5c7f4e5a7605 62 //bled = 1.0f - z;
trisjph 3:5c7f4e5a7605 63 wait(1);
trisjph 3:5c7f4e5a7605 64 txDataCnt = sprintf(txData, "X:%1.3f,Y:%1.3f,Z:%1.3f\n", x,y,z);
trisjph 3:5c7f4e5a7605 65
trisjph 3:5c7f4e5a7605 66 printf("X:%f,Y:%f,Z:%f size %i %s\n", x, y, z,txDataCnt, txData);
trisjph 3:5c7f4e5a7605 67
Owen 0:a51a6e7da590 68 // If we've received anything over the host serial link...
Owen 0:a51a6e7da590 69
trisjph 3:5c7f4e5a7605 70 // ...add it to the transmit buffer
trisjph 3:5c7f4e5a7605 71 //txData[txDataCnt++] = pc.getc();
Owen 0:a51a6e7da590 72
trisjph 3:5c7f4e5a7605 73 // If the transmit buffer is full
Owen 0:a51a6e7da590 74
trisjph 3:5c7f4e5a7605 75 // Send the transmitbuffer via the nRF24L01+
trisjph 3:5c7f4e5a7605 76 my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt );
trisjph 3:5c7f4e5a7605 77
trisjph 3:5c7f4e5a7605 78 printf("sent");
Owen 0:a51a6e7da590 79
trisjph 3:5c7f4e5a7605 80 // Toggle LED1 (to help debug Host -> nRF24L01+ communication)
trisjph 3:5c7f4e5a7605 81 myled1 = !myled1;
Owen 0:a51a6e7da590 82 }
Owen 0:a51a6e7da590 83 }