IOT_GRZYBKI / coapRadio

Library for handling subset of coap functionality by radio transmitter.

Dependencies:   nRF24L01P cantcoap

Dependents:   server2

radioWrapper.cpp@1:1d936c763440, 2019-01-20 (annotated)

Committer:
Ka_myk
Date:
Sun Jan 20 13:48:02 2019 +0000
Revision:
1:1d936c763440
Parent:
0:6a6f97ca5572
Child:
2:c3ca8b8526e0
try to make it work;

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 0:6a6f97ca5572 3
Ka_myk 1:1d936c763440 4 int RadioWrapper::read(uint8_t* buffer, int len, int timeout) {
Ka_myk 0:6a6f97ca5572 5 Timer t;
Ka_myk 1:1d936c763440 6 t.start();
Ka_myk 0:6a6f97ca5572 7 // check if buffor is large enough to conaint packet.
Ka_myk 1:1d936c763440 8 if (len < packetSize()) {
Ka_myk 0:6a6f97ca5572 9 return -1;
Ka_myk 0:6a6f97ca5572 10 }
Ka_myk 0:6a6f97ca5572 11 int ret = radio.read(NRF24L01P_PIPE_P0, (char*) buffer, packetSize());
Ka_myk 0:6a6f97ca5572 12 while(ret == 0 && t.read_ms() < timeout) {
Ka_myk 0:6a6f97ca5572 13 wait_ms(10);
Ka_myk 0:6a6f97ca5572 14 ret = radio.read(NRF24L01P_PIPE_P0, (char*) buffer, packetSize());
Ka_myk 0:6a6f97ca5572 15 }
Ka_myk 1:1d936c763440 16 t.stop();
Ka_myk 0:6a6f97ca5572 17 return ret;
Ka_myk 0:6a6f97ca5572 18 }
Ka_myk 0:6a6f97ca5572 19
Ka_myk 1:1d936c763440 20 int RadioWrapper::write(uint8_t* buffer, int len) {
Ka_myk 0:6a6f97ca5572 21 // check if buffor is small enough to send in one package
Ka_myk 1:1d936c763440 22 if (len > packetSize()) {
Ka_myk 0:6a6f97ca5572 23 return -1;
Ka_myk 0:6a6f97ca5572 24 }
Ka_myk 0:6a6f97ca5572 25 int ret = radio.write(NRF24L01P_PIPE_P0, (char*) buffer, packetSize());
Ka_myk 0:6a6f97ca5572 26 return ret;
Ka_myk 0:6a6f97ca5572 27 }
Ka_myk 0:6a6f97ca5572 28
Ka_myk 1:1d936c763440 29 RadioWrapper::RadioWrapper(int channel, unsigned long long rx_address, unsigned long long tx_address) :
Ka_myk 1:1d936c763440 30 radio(PB_15, PB_14, PB_13, PB_12, PB_1, PB_2) {
Ka_myk 0:6a6f97ca5572 31 radio.powerDown();
Ka_myk 0:6a6f97ca5572 32 radio.powerUp();
Ka_myk 0:6a6f97ca5572 33
Ka_myk 0:6a6f97ca5572 34 radio.setAirDataRate(DATA_RATE);
Ka_myk 0:6a6f97ca5572 35 radio.setRfOutputPower(POWER);
Ka_myk 0:6a6f97ca5572 36 radio.setRfFrequency(NRF24L01P_MIN_RF_FREQUENCY + 4 * channel);
Ka_myk 0:6a6f97ca5572 37
Ka_myk 0:6a6f97ca5572 38 radio.setCrcWidth(NRF24L01P_CRC_8_BIT);
Ka_myk 0:6a6f97ca5572 39
Ka_myk 0:6a6f97ca5572 40 radio.setTxAddress(tx_address, 4);
Ka_myk 0:6a6f97ca5572 41 radio.setRxAddress(rx_address, 4, NRF24L01P_PIPE_P0);
Ka_myk 0:6a6f97ca5572 42 radio.setTransferSize(packetSize(), NRF24L01P_PIPE_P0);
Ka_myk 0:6a6f97ca5572 43 }