JNP3_IOT_2016Z
/
JNP3_IOT_5_RADIO_BER_RX
nRF24L01+ BER app RX
Fork of nRF24L01P_Hello_World by
main_rx.cpp
- Committer:
- ttajmajer
- Date:
- 2016-11-07
- Revision:
- 2:d2b92fbe58dd
File content as of revision 2:d2b92fbe58dd:
#include "mbed.h" #include "nRF24L01P.h" //***************************************************************************// // !!! SETTINGS !!! #define DATA_RATE NRF24L01P_DATARATE_250_KBPS //#define DATA_RATE NRF24L01P_DATARATE_1_MBPS //#define DATA_RATE NRF24L01P_DATARATE_2_MBPS #define POWER NRF24L01P_TX_PWR_ZERO_DB //#define POWER NRF24L01P_TX_PWR_MINUS_6_DB //#define POWER NRF24L01P_TX_PWR_MINUS_12_DB //#define POWER NRF24L01P_TX_PWR_MINUS_18_DB #define CHANNEL 0 // 0 - 30 //***************************************************************************// Serial pc(USBTX, USBRX); // tx, rx nRF24L01P radio(PB_15, PB_14, PB_13, PB_12, PB_1, PB_2); // mosi, miso, sck, csn, ce, irq DigitalOut led(LED1); InterruptIn button(USER_BUTTON); bool stats_reset = false; long rx_packet_counter = 0; long rx_bit_counter = 0; long rx_error_counter = 0; bool status = false; void tick_status(){ status = true; } void print_status(){ char buff[256]; sprintf(buff, "RX packets num: %ld\r\n" "RX bits num: %ld\r\n" "RX errors: %ld\r\n\r\n", rx_packet_counter, rx_bit_counter, rx_error_counter); pc.write((const uint8_t *)buff, strlen(buff), 0, 0); } void rst_stats(){ stats_reset = true; } int main() { #define TRANSFER_SIZE 32 #define CODE 0xAA char rxData[TRANSFER_SIZE]; Ticker status_ticker; radio.powerDown(); radio.powerUp(); radio.setAirDataRate(DATA_RATE); radio.setRfOutputPower(POWER); radio.setRfFrequency(NRF24L01P_MIN_RF_FREQUENCY + 4 * CHANNEL); radio.setTransferSize(TRANSFER_SIZE); radio.setCrcWidth(NRF24L01P_CRC_NONE); pc.baud(115200); status_ticker.attach(&tick_status, 1.0); button.rise(&rst_stats); pc.printf( "=======================================\r\n"); pc.printf( "CPU SystemCoreClock is : %d Hz\r\n", SystemCoreClock); pc.printf( "=======================================\r\n"); pc.printf( "nRF24L01+ Frequency : %d MHz\r\n", radio.getRfFrequency() ); pc.printf( "nRF24L01+ Output power : %d dBm\r\n", radio.getRfOutputPower() ); pc.printf( "nRF24L01+ Data Rate : %d kbps\r\n", radio.getAirDataRate() ); pc.printf( "nRF24L01+ TX Address : 0x%010llX\r\n", radio.getTxAddress() ); pc.printf( "nRF24L01+ RX Address : 0x%010llX\r\n", radio.getRxAddress() ); pc.printf( "=======================================\r\n"); radio.setReceiveMode(); radio.enable(); while(1){ if(radio.readable()){ int rx_bytes; rx_bytes = radio.read( NRF24L01P_PIPE_P0, rxData, sizeof(rxData)); if(rx_bytes < 0){ pc.printf("RX ERROR!\r\n"); } else{ rx_packet_counter += 1; rx_bit_counter += rx_bytes * 8; for(int i=0; i<rx_bytes; i++){ int err_bits; if(rxData[i] != CODE){ err_bits = rxData[i] xor CODE; rx_error_counter += __builtin_popcount(err_bits); } } } } if(stats_reset){ pc.printf("=== RESETING COUNTERS ===\r\n"); rx_packet_counter = 0; rx_bit_counter = 0; rx_error_counter = 0; stats_reset = false; } if(status){ print_status(); status = false; } } }