IOT_GRZYBKI / coapRadio

Library for handling subset of coap functionality by radio transmitter.

Dependencies:   nRF24L01P cantcoap

Dependents:   server2

radioWrapper.cpp@2:c3ca8b8526e0, 2019-01-20 (annotated)

Committer:
Ka_myk
Date:
Sun Jan 20 23:27:10 2019 +0000
Revision:
2:c3ca8b8526e0
Parent:
1:1d936c763440
Child:
4:9f635ab44d8e
should work somehow;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Ka_myk 0:6a6f97ca5572 1 #include "radioWrapper.h"
Ka_myk 0:6a6f97ca5572 2 #include "mbed.h"
Ka_myk 2:c3ca8b8526e0 3 #include "dbg.h"
Ka_myk 0:6a6f97ca5572 4
Ka_myk 1:1d936c763440 5 int RadioWrapper::read(uint8_t* buffer, int len, int timeout) {
Ka_myk 0:6a6f97ca5572 6 Timer t;
Ka_myk 1:1d936c763440 7 t.start();
Ka_myk 0:6a6f97ca5572 8 // check if buffor is large enough to conaint packet.
Ka_myk 1:1d936c763440 9 if (len < packetSize()) {
Ka_myk 0:6a6f97ca5572 10 return -1;
Ka_myk 0:6a6f97ca5572 11 }
Ka_myk 2:c3ca8b8526e0 12 while(t.read_ms() < timeout) {
Ka_myk 2:c3ca8b8526e0 13 if(radio.readable(NRF24L01P_PIPE_P1)) {
Ka_myk 2:c3ca8b8526e0 14 DBG("%d", t.read_ms());
Ka_myk 2:c3ca8b8526e0 15 int ret = radio.read(NRF24L01P_PIPE_P1, (char*) buffer, packetSize());
Ka_myk 2:c3ca8b8526e0 16 DBG("RECIEVED %d, %s \r\n", ret, buffer);
Ka_myk 2:c3ca8b8526e0 17 t.stop();
Ka_myk 2:c3ca8b8526e0 18 return ret;
Ka_myk 2:c3ca8b8526e0 19 }
Ka_myk 0:6a6f97ca5572 20 }
Ka_myk 1:1d936c763440 21 t.stop();
Ka_myk 2:c3ca8b8526e0 22 return 0;
Ka_myk 0:6a6f97ca5572 23 }
Ka_myk 0:6a6f97ca5572 24
Ka_myk 1:1d936c763440 25 int RadioWrapper::write(uint8_t* buffer, int len) {
Ka_myk 0:6a6f97ca5572 26 // check if buffor is small enough to send in one package
Ka_myk 1:1d936c763440 27 if (len > packetSize()) {
Ka_myk 0:6a6f97ca5572 28 return -1;
Ka_myk 0:6a6f97ca5572 29 }
Ka_myk 0:6a6f97ca5572 30 int ret = radio.write(NRF24L01P_PIPE_P0, (char*) buffer, packetSize());
Ka_myk 0:6a6f97ca5572 31 return ret;
Ka_myk 0:6a6f97ca5572 32 }
Ka_myk 0:6a6f97ca5572 33
Ka_myk 1:1d936c763440 34 RadioWrapper::RadioWrapper(int channel, unsigned long long rx_address, unsigned long long tx_address) :
Ka_myk 2:c3ca8b8526e0 35 radio(PB_15, PB_14, PB_13, PB_12, PB_1, PB_2) {
Ka_myk 0:6a6f97ca5572 36 radio.powerDown();
Ka_myk 0:6a6f97ca5572 37 radio.powerUp();
Ka_myk 0:6a6f97ca5572 38
Ka_myk 0:6a6f97ca5572 39 radio.setAirDataRate(DATA_RATE);
Ka_myk 0:6a6f97ca5572 40 radio.setRfOutputPower(POWER);
Ka_myk 0:6a6f97ca5572 41 radio.setRfFrequency(NRF24L01P_MIN_RF_FREQUENCY + 4 * channel);
Ka_myk 0:6a6f97ca5572 42
Ka_myk 0:6a6f97ca5572 43 radio.setCrcWidth(NRF24L01P_CRC_8_BIT);
Ka_myk 0:6a6f97ca5572 44
Ka_myk 0:6a6f97ca5572 45 radio.setTxAddress(tx_address, 4);
Ka_myk 2:c3ca8b8526e0 46 radio.setRxAddress(tx_address, 4, NRF24L01P_PIPE_P0);
Ka_myk 2:c3ca8b8526e0 47 radio.setRxAddress(rx_address, 4, NRF24L01P_PIPE_P1);
Ka_myk 0:6a6f97ca5572 48 radio.setTransferSize(packetSize(), NRF24L01P_PIPE_P0);
Ka_myk 2:c3ca8b8526e0 49 radio.setTransferSize(packetSize(), NRF24L01P_PIPE_P1);
Ka_myk 2:c3ca8b8526e0 50 radio.enableDynamicPayload(NRF24L01P_PIPE_P1);
Ka_myk 2:c3ca8b8526e0 51 radio.setReceiveMode();
Ka_myk 2:c3ca8b8526e0 52 radio.enable();
Ka_myk 2:c3ca8b8526e0 53
Ka_myk 2:c3ca8b8526e0 54 // Display the (default) setup of the nRF24L01+ chip
Ka_myk 2:c3ca8b8526e0 55 DBG( "nRF24L01+ Frequency : %d MHz\r\n", radio.getRfFrequency() );
Ka_myk 2:c3ca8b8526e0 56 DBG( "nRF24L01+ Output power : %d dBm\r\n", radio.getRfOutputPower() );
Ka_myk 2:c3ca8b8526e0 57 DBG( "nRF24L01+ Data Rate : %d kbps\r\n", radio.getAirDataRate() );
Ka_myk 2:c3ca8b8526e0 58 DBG( "nRF24L01+ TX Address : 0x%010llX\r\n", radio.getTxAddress() );
Ka_myk 2:c3ca8b8526e0 59 DBG( "nRF24L01+ RX0 Address : 0x%010llX\r\n", radio.getRxAddress(NRF24L01P_PIPE_P0) );
Ka_myk 2:c3ca8b8526e0 60 DBG( "nRF24L01+ RX1 Address : 0x%010llX\r\n", radio.getRxAddress(NRF24L01P_PIPE_P1) );
Ka_myk 0:6a6f97ca5572 61 }