IOT_LAB_accelerometer_receiver
Dependencies: MMA8451Q mbed nRF24L01P
main.cpp
- Committer:
- RITVIK_DAVE
- Date:
- 2017-04-03
- Revision:
- 0:1208cef6fff7
File content as of revision 0:1208cef6fff7:
#include "mbed.h" #include "nRF24L01P.h" Serial pc(USBTX, USBRX); // tx, rx nRF24L01P my_nrf24l01p(PTD2, PTD3, PTD1, PTD0, PTD5, PTD4); // mosi, miso, sck, csn, ce, irq DigitalOut GreenLED(PTA12); int main() { char count[3]; char RxDataCnt; char temp; float x,y,z; my_nrf24l01p.powerUp(); my_nrf24l01p.setRfFrequency(2422); // Display the (default) setup of the nRF24L01+ chip pc.printf( "nRF24L01+ Frequency : %d MHz\r\n", my_nrf24l01p.getRfFrequency() ); pc.printf( "nRF24L01+ Output power : %d dBm\r\n", my_nrf24l01p.getRfOutputPower() ); pc.printf( "nRF24L01+ Data Rate : %d kbps\r\n", my_nrf24l01p.getAirDataRate() ); pc.printf( "nRF24L01+ TX Address : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() ); pc.printf( "nRF24L01+ RX Address : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() ); pc.printf( "Simple 3 Byte Receiver\r\n" ); RxDataCnt = 3; my_nrf24l01p.setTransferSize( RxDataCnt ); my_nrf24l01p.setReceiveMode(); my_nrf24l01p.enable(); while (1) { // If we've received anything in the nRF24L01+... if ( my_nrf24l01p.readable() ) { // ...read the data into the receive buffer temp = my_nrf24l01p.read( NRF24L01P_PIPE_P0, count, RxDataCnt ); if(count[0]>100) x=(count[0]-100)/(-50); else x=count[0]/50.0; if(count[1]>100) y=(count[1]-100)/(-50); else y=count[1]/50.0; if(count[2]>100) z=(count[2]-100)/(-50); else z=count[2]/50.0; pc.printf( "Cnt %d = x_axis-->%d y_axis-->%d z_axis%d\r\n",temp,x,y,z); // Toggle LED2 (to help debug nRF24L01+ -> Host communication) GreenLED = !GreenLED; wait_ms(10); } } }