JNP3_IOT_2016Z
/
JNP3_IOT_5_RADIO_BER_RX
nRF24L01+ BER app RX
Fork of nRF24L01P_Hello_World by
Revision 2:d2b92fbe58dd, committed 2016-11-07
- Comitter:
- ttajmajer
- Date:
- Mon Nov 07 15:54:54 2016 +0000
- Parent:
- 1:5be2682710c6
- Commit message:
- nrf24l01 BER app RX
Changed in this revision
diff -r 5be2682710c6 -r d2b92fbe58dd main.cpp --- a/main.cpp Wed Jan 19 23:53:19 2011 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,75 +0,0 @@ -#include "mbed.h" -#include "nRF24L01P.h" - -Serial pc(USBTX, USBRX); // tx, rx - -nRF24L01P my_nrf24l01p(p5, p6, p7, p8, p9, p10); // mosi, miso, sck, csn, ce, irq - -DigitalOut myled1(LED1); -DigitalOut myled2(LED2); - -int main() { - -// The nRF24L01+ supports transfers from 1 to 32 bytes, but Sparkfun's -// "Nordic Serial Interface Board" (http://www.sparkfun.com/products/9019) -// only handles 4 byte transfers in the ATMega code. -#define TRANSFER_SIZE 4 - - char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE]; - int txDataCnt = 0; - int rxDataCnt = 0; - - my_nrf24l01p.powerUp(); - - // 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( "Type keys to test transfers:\r\n (transfers are grouped into %d characters)\r\n", TRANSFER_SIZE ); - - my_nrf24l01p.setTransferSize( TRANSFER_SIZE ); - - my_nrf24l01p.setReceiveMode(); - my_nrf24l01p.enable(); - - while (1) { - - // If we've received anything over the host serial link... - if ( pc.readable() ) { - - // ...add it to the transmit buffer - txData[txDataCnt++] = pc.getc(); - - // If the transmit buffer is full - if ( txDataCnt >= sizeof( txData ) ) { - - // Send the transmitbuffer via the nRF24L01+ - my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt ); - - txDataCnt = 0; - } - - // Toggle LED1 (to help debug Host -> nRF24L01+ communication) - myled1 = !myled1; - } - - // If we've received anything in the nRF24L01+... - if ( my_nrf24l01p.readable() ) { - - // ...read the data into the receive buffer - rxDataCnt = my_nrf24l01p.read( NRF24L01P_PIPE_P0, rxData, sizeof( rxData ) ); - - // Display the receive buffer contents via the host serial link - for ( int i = 0; rxDataCnt > 0; rxDataCnt--, i++ ) { - - pc.putc( rxData[i] ); - } - - // Toggle LED2 (to help debug nRF24L01+ -> Host communication) - myled2 = !myled2; - } - } -}
diff -r 5be2682710c6 -r d2b92fbe58dd main_rx.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main_rx.cpp Mon Nov 07 15:54:54 2016 +0000 @@ -0,0 +1,123 @@ +#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; + } + } +}
diff -r 5be2682710c6 -r d2b92fbe58dd mbed.bld --- a/mbed.bld Wed Jan 19 23:53:19 2011 +0000 +++ b/mbed.bld Mon Nov 07 15:54:54 2016 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/e2ac27c8e93e +http://mbed.org/users/mbed_official/code/mbed/builds/abea610beb85 \ No newline at end of file