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nrf24l01.cpp
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nrf24l01.cpp
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/*
* Copyright (C) 2016 by Aleksey Bulatov
*
* This file is part of Caustic Lasertag System project.
*
* Caustic Lasertag System is free software:
* you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Caustic Lasertag System is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Caustic Lasertag System.
* If not, see <http://www.gnu.org/licenses/>.
*
* @license GPL-3.0+ <http://spdx.org/licenses/GPL-3.0+>
*/
#include "dev/nrf24l01.hpp"
#include "core/logging.hpp"
#include "core/os-wrappers.hpp"
#include "core/string-utils.hpp"
#include "core/debug-settings.hpp"
#include "hal/system-clock.hpp"
#include <stdio.h>
#include <string.h>
/*
* NRF24l01 Registers
*/
#define NRF_REG_CONFIG 0x00
#define NRF_REG_EN_AA 0x01
#define NRF_REG_EN_RXADDR 0x02
#define NRF_REG_SETUP_AW 0x03
#define NRF_REG_SETUP_RETR 0x04
#define NRF_REG_RF_CH 0x05
#define NRF_REG_RF_SETUP 0x06
#define NRF_REG_STATUS 0x07
#define NRF_REG_OBSERVE_TX 0x08
#define NRF_REG_CD 0x09
#define NRF_REG_RX_ADDR_P0 0x0A
#define NRF_REG_RX_ADDR_P1 0x0B
#define NRF_REG_RX_ADDR_P2 0x0C
#define NRF_REG_RX_ADDR_P3 0x0D
#define NRF_REG_RX_ADDR_P4 0x0E
#define NRF_REG_RX_ADDR_P5 0x0F
#define NRF_REG_TX_ADDR 0x10
#define NRF_REG_RX_PW_P0 0x11
#define NRF_REG_RX_PW_P1 0x12
#define NRF_REG_RX_PW_P2 0x13
#define NRF_REG_RX_PW_P3 0x14
#define NRF_REG_RX_PW_P4 0x15
#define NRF_REG_RX_PW_P5 0x16
#define NRF_REG_FIFO_STATUS 0x17
// N/A 0x18
// N/A 0x19
// N/A 0x1A
// N/A 0x1B
#define NRF_REG_DYNPD 0x1C
#define NRF_REG_FEATURE 0x1D
// Operations
#define NRF_NOP 0xFF
/*
* NRF2401 Register Fields
*/
// CONFIG
#define NRF_REGF_PRIM_RX 0
#define NRF_REGF_PWR_UP 1
#define NRF_REGF_CRCO 2
#define NRF_REGF_EN_CRC 3
#define NRF_REGF_MASK_MAX_RT 4
#define NRF_REGF_MASK_TX_DS 5
#define NRF_REGF_MASK_RX_DR 6
// EN_AA
#define NRF_REGF_ENAA_P0 0
#define NRF_REGF_ENAA_P1 1
#define NRF_REGF_ENAA_P2 2
#define NRF_REGF_ENAA_P3 3
#define NRF_REGF_ENAA_P4 4
#define NRF_REGF_ENAA_P5 5
// EN_RXADDR
#define NRF_REGF_ERX_P0 0
#define NRF_REGF_ERX_P1 1
#define NRF_REGF_ERX_P2 2
#define NRF_REGF_ERX_P3 3
#define NRF_REGF_ERX_P4 4
#define NRF_REGF_ERX_P5 5
// SETUP_AW
#define NRF_REGF_AW 0
// SETUP_RETR
#define NRF_REGF_ARC 0
#define NRF_REGF_ARD 4
// RF_CH
#define NRF_REGF_RF_CH 0
// RF_SETUP
#define NRF_REGF_LNA_HCURR 0
#define NRF_REGF_RF_PWR 1
#define NRF_REGF_RF_DR 3
#define NRF_REGF_PLL_LOCK 4
// STATUS
#define NRF_REGF_TX_FULL 0
#define NRF_REGF_MAX_RT 4
#define NRF_REGF_TX_DS 5
#define NRF_REGF_RX_DR 6
#define NRF_REGF_RX_P_NO_MASK 0b00001110
// OBSERVE_TX
#define NRF_REGF_ARC_CNT_MASK 0b00001111
#define NRF_REGF_PLOS_CNT 4
// CD
#define NRF_REGF_CD 0
// ADDR
#define NRF_REGF_ADDR_A 0
#define NRF_REGF_ADDR_B 1
#define NRF_REGF_ADDR_C 2
#define NRF_REGF_ADDR_D 3
#define NRF_REGF_ADDR_E 4
// RX_PW
#define NRF_REGF_PW 0
// FIFO_STATUS
#define NRF_REGF_FIFO_RX_EMPTY 0
#define NRF_REGF_FIFO_RX_FULL 1
#define NRF_REGF_FIFO_TX_EMPTY 4
#define NRF_REGF_FIFO_TX_FULL 5
#define NRF_REGF_FIFO_TX_REUSE 6
// DYNPD
#define NRF_REGF_DPL_P0 0
#define NRF_REGF_DPL_P1 1
#define NRF_REGF_DPL_P2 2
#define NRF_REGF_DPL_P3 3
#define NRF_REGF_DPL_P4 4
#define NRF_REGF_DPL_P5 5
// FEATURE
#define NRF_REGF_EN_DYN_ACK 0
#define NRF_REGF_EN_ACK_PAY 1
#define NRF_REGF_EN_DPL 2
// Instructions
#define R_REGISTER(reg) (0b00011111 & reg)
#define W_REGISTER(reg) (0b00100000 | reg)
#define R_RX_PAYLOAD 0b01100001
#define W_TX_PAYLOAD 0b10100000
#define FLUSH_TX 0b11100001
#define FLUSH_RX 0b11100010
#define REUSE_TX_PL 0b11100011
NRF24L01Manager::NRF24L01Manager()
{
}
void NRF24L01Manager::init(
IIOPin* chipEnablePin,
IIOPin* chipSelectPin,
IIOPin* IRQPin,
uint8_t SPIIndex,
bool useInterrupts,
uint8_t radioChannel
)
{
debug << "Radio module initialization...";
m_chipEnablePin = chipEnablePin;
m_chipSelectPin = chipSelectPin;
m_IRQPin = IRQPin;
m_SPIIndex = SPIIndex;
m_useInterrupts = useInterrupts;
m_radioChannel = radioChannel;
m_RFChannel = radioChannel;
m_spi = SPIs->getSPI(SPIIndex);
m_spi->init(ISPIManager::BaudRatePrescaler32, chipSelectPin);
//////////////////////
// Chip enable line init
m_chipEnablePin->switchToOutput();
chipEnableOff();
//////////////////////
// Chip select SPI line init
//m_chipSelectPin->switchToOutput();
chipDeselect();
// IRQ line input
m_IRQPin->switchToInput();
//////////////////////
// Configuring nrf24l01
// Global settings
trace << "setAdressWidth(AW_5BYTES);";
setAdressWidth(AW_5BYTES);
trace << "etRFChannel(m_RFChannel);";
setRFChannel(m_RFChannel);
//setupRetransmission(0, 0);
// Reading addresses to local variables
trace << "readRXAdresses";
readRXAdresses();
trace << "readTXAdress";
readTXAdress();
// Setting up pipe 0
trace << "setAutoACK";
setAutoACK(0, DISABLE_OPTION);
trace << "enablePipe";
enablePipe(0, ENABLE_OPTION);
trace << "setRXPayloadLength";
setRXPayloadLength(0, payloadSize);
trace << "setRXPayloadLength";
setRFSettings(BR_1MBIT, PW_0DB, LNA_ENABLE);
trace << "setupRetransmission";
setupRetransmission(2, 15);
trace << "switchToRX";
switchToRX();
m_useInterrupts = useInterrupts;
if (m_useInterrupts)
{
IRQPin->setExtiCallback(std::bind(&NRF24L01Manager::extiHandler, this, std::placeholders::_1), false);
IRQPin->enableExti(true);
if (false == m_IRQPin->state())
m_needInterrogation = true;
else
m_needInterrogation = false;
}
if (m_TXAdress[0] == 0xe7)
{
debug << "NRF24L01 initialization successfully done";
} else {
error << "Radio module seems to be not connected! Details:\n";
printStatus();
}
}
void NRF24L01Manager::setDataReceiveCallback(DataReceiveCallback callback)
{
m_RXcallback = callback;
}
UintParameter NRF24L01Manager::getPayloadSize()
{
return payloadSize;
}
void NRF24L01Manager::setTXMaxRetriesCallback(TXMaxRetriesCallback callback)
{
m_TXMaxRTcallback = callback;
}
void NRF24L01Manager::setTXDoneCallback(TXDoneCallback callback)
{
m_TXDoneCallback = callback;
}
void NRF24L01Manager::switchToTX()
{
chipEnableOff();
setConfig(IM_MASK_MAX_RETRIES, CRC_ENABLE, CRC2BYTES, POWER_ON, MODE_TRANSMITTER);
systemClock->wait_us(150);
}
void NRF24L01Manager::switchToRX()
{
setConfig(IM_MASK_MAX_RETRIES, CRC_ENABLE, CRC2BYTES, POWER_ON, MODE_RECEIVER);
systemClock->wait_us(150);
chipEnableOn();
}
void NRF24L01Manager::chipEnableOn()
{
m_chipEnablePin->set();
}
void NRF24L01Manager::chipEnableOff()
{
//for (volatile int i=0; i<300; i++) { }
m_chipEnablePin->reset();
}
void NRF24L01Manager::chipSelect()
{
m_chipSelectPin->reset();
//systemClock->wait_us(15);
}
void NRF24L01Manager::chipDeselect()
{
//systemClock->wait_us(15);
m_chipSelectPin->set();
}
void NRF24L01Manager::CEImpulse()
{
taskENTER_CRITICAL();
{
chipEnableOn();
systemClock->wait_us(15);
chipEnableOff();
}
taskEXIT_CRITICAL();
}
void NRF24L01Manager::writeReg(unsigned char reg, unsigned char size, unsigned char *data)
{
chipSelect();
m_status = m_spi->TransmitReceive(W_REGISTER(reg));
if (size != 0) m_spi->Transmit(data, size);
chipDeselect();
}
void NRF24L01Manager::readReg(unsigned char reg, unsigned char size, unsigned char *data)
{
chipSelect();
m_status = m_spi->TransmitReceive(R_REGISTER(reg));
if (size != 0) m_spi->Receive(data, size);
chipDeselect();
}
void NRF24L01Manager::updateStatus()
{
m_stager.stage("updateStatus()");
chipSelect();
m_status = m_spi->TransmitReceive(NRF_NOP);
chipDeselect();
}
/////////////////////
// STATUS
inline bool NRF24L01Manager::isRXDataReady()
{
return m_status & (1 << NRF_REGF_RX_DR);
}
inline bool NRF24L01Manager::isTXDataSent()
{
return m_status & (1 << NRF_REGF_TX_DS);
}
inline bool NRF24L01Manager::isMaxRetriesReached()
{
return m_status & (1 << NRF_REGF_MAX_RT);
}
inline int NRF24L01Manager::getPipeNumberAvaliableForRXFIFO()
{
return (m_status & NRF_REGF_RX_P_NO_MASK) >> 1;
}
inline bool NRF24L01Manager::isTXFIFOFull()
{
return m_status & (1 << NRF_REGF_TX_FULL);
}
void NRF24L01Manager::resetRXDataReady()
{
chipSelect();
m_spi->Transmit(W_REGISTER(NRF_REG_STATUS));
m_spi->Transmit(1 << NRF_REGF_RX_DR);
chipDeselect();
updateStatus();
}
void NRF24L01Manager::resetTXDataSent()
{
chipSelect();
m_spi->Transmit(W_REGISTER(NRF_REG_STATUS));
m_spi->Transmit(1 << NRF_REGF_TX_DS);
chipDeselect();
updateStatus();
}
void NRF24L01Manager::resetMaxRetriesReached()
{
chipSelect();
m_spi->Transmit(W_REGISTER(NRF_REG_STATUS));
m_spi->Transmit(1 << NRF_REGF_MAX_RT);
chipDeselect();
updateStatus();
}
/////////////////////
// CONFIG
void NRF24L01Manager::setConfig(unsigned char interruptionsMask,
unsigned char enableCRC,
unsigned char CRC2bytes,
unsigned char powerUP,
unsigned char isRecieving)
{
m_config =
(interruptionsMask << NRF_REGF_MASK_MAX_RT)
| (enableCRC << NRF_REGF_EN_CRC)
| (CRC2bytes << NRF_REGF_CRCO)
| (powerUP << NRF_REGF_PWR_UP)
| (isRecieving << NRF_REGF_PRIM_RX);
//printf("Config: %u\n", m_config);
writeReg(NRF_REG_CONFIG, 1, &m_config);
}
/////////////////////
// CD
bool NRF24L01Manager::isCarrierDetected()
{
unsigned char result=0;
readReg(NRF_REG_CD, 1, &result);
return result & (1 << NRF_REGF_CD);
}
/////////////////////
// EN_AA
void NRF24L01Manager::setAutoACK(unsigned char channel, bool value)
{
unsigned char regValue=0;
readReg(NRF_REG_EN_AA, 1, ®Value);
if (value)
{
regValue |= (1 << channel);
} else {
regValue &= ~(1 << channel);
}
//printf("to EN_AA: %u\n", regValue);
writeReg(NRF_REG_EN_AA, 1, ®Value);
}
/////////////////////
// EN_RXADDR
void NRF24L01Manager::enablePipe(unsigned char pipe, unsigned char value)
{
unsigned char regValue=0;
readReg(NRF_REG_EN_RXADDR, 1, ®Value);
if (value)
regValue |= (1 << pipe);
else
regValue &= ~(1 << pipe);
//printf("to NRF_REG_EN_RXADDR: %u\n", regValue);
writeReg(NRF_REG_EN_RXADDR, 1, ®Value);
}
/////////////////////
// SETUP_AW
void NRF24L01Manager::setAdressWidth(AdressWidth width)
{
unsigned char regValue=0;
switch(width)
{
case AW_3BYTES: regValue |= 0b00000001; break;
case AW_4BYTES: regValue |= 0b00000010; break;
case AW_5BYTES: regValue |= 0b00000011; break;
}
writeReg(NRF_REG_SETUP_AW, 1, ®Value);
}
/////////////////////
// SETUP_RETR
void NRF24L01Manager::setupRetransmission(unsigned char delay, unsigned char count)
{
unsigned char regValue = (delay << NRF_REGF_ARD) | (count << NRF_REGF_ARC);
writeReg(NRF_REG_SETUP_RETR, 1, ®Value);
}
/////////////////////
// RF_CH
void NRF24L01Manager::setRFChannel(unsigned char number)
{
m_RFChannel = number & 0b01111111;
writeReg(NRF_REG_RF_CH, 1, &m_RFChannel);
}
void NRF24L01Manager::clearLostPackagesCount()
{
writeReg(NRF_REG_RF_CH, 1, &m_RFChannel);
}
/////////////////////
// RF_SETUP
void NRF24L01Manager::setRFSettings(unsigned char use2MBits, unsigned char power, unsigned char LNAGain)
{
unsigned char regValue = (use2MBits << NRF_REGF_RF_DR) | (power << NRF_REGF_RF_PWR) | (LNAGain << NRF_REGF_LNA_HCURR);
writeReg(NRF_REG_RF_SETUP, 1, ®Value);
}
/////////////////////
// OBSERVE_TX
unsigned char NRF24L01Manager::getLostPackagesCount()
{
unsigned char regValue=0;
readReg(NRF_REG_OBSERVE_TX, 1, ®Value);
return regValue >> NRF_REGF_PLOS_CNT;
}
unsigned char NRF24L01Manager::getResentPackagesCount()
{
unsigned char regValue=0;
readReg(NRF_REG_OBSERVE_TX, 1, ®Value);
return regValue & NRF_REGF_ARC_CNT_MASK;
}
/////////////////////
// RX_ADDR_Pn
void NRF24L01Manager::setRXAddress(unsigned char channel, unsigned char* address)
{
switch(channel)
{
default:
case 0:
memcpy(m_RXAdressP0, address, RADIO_ADDRESS_SIZE*sizeof(unsigned char));
writeReg(NRF_REG_RX_ADDR_P0, RADIO_ADDRESS_SIZE, address);
break;
case 1:
memcpy(m_RXAdressP1, address, RADIO_ADDRESS_SIZE*sizeof(unsigned char));
writeReg(NRF_REG_RX_ADDR_P1, RADIO_ADDRESS_SIZE, address);
break;
case 2:
m_RXAdressP2 = *address;
writeReg(NRF_REG_RX_ADDR_P2, 1, address);
break;
case 3:
m_RXAdressP3 = *address;
writeReg(NRF_REG_RX_ADDR_P3, 1, address);
break;
case 4:
m_RXAdressP4 = *address;
writeReg(NRF_REG_RX_ADDR_P4, 1, address);
break;
case 5:
m_RXAdressP5 = *address;
writeReg(NRF_REG_RX_ADDR_P5, 1, address);
break;
}
}
void NRF24L01Manager::readRXAdresses()
{
readReg(NRF_REG_RX_ADDR_P0, 5, m_RXAdressP0);
readReg(NRF_REG_RX_ADDR_P1, 5, m_RXAdressP1);
readReg(NRF_REG_RX_ADDR_P2, 1, &m_RXAdressP2);
readReg(NRF_REG_RX_ADDR_P3, 1, &m_RXAdressP3);
readReg(NRF_REG_RX_ADDR_P4, 1, &m_RXAdressP4);
readReg(NRF_REG_RX_ADDR_P5, 1, &m_RXAdressP5);
}
/////////////////////
// TX_ADDR
void NRF24L01Manager::setTXAddress(unsigned char* address)
{
memcpy(m_TXAdress, address, RADIO_ADDRESS_SIZE*sizeof(unsigned char));
writeReg(NRF_REG_TX_ADDR, RADIO_ADDRESS_SIZE, m_TXAdress);
}
void NRF24L01Manager::readTXAdress()
{
readReg(NRF_REG_TX_ADDR, RADIO_ADDRESS_SIZE, m_TXAdress);
}
/////////////////////
// RX_PW_Pn
void NRF24L01Manager::setRXPayloadLength(unsigned char channel, unsigned char payloadLength)
{
payloadLength &= 0b00111111;
//printf("Payload len: %u\n", payloadLength);
switch(channel)
{
default:
case 0: writeReg(NRF_REG_RX_PW_P0, 1, &payloadLength); break;
case 1: writeReg(NRF_REG_RX_PW_P1, 1, &payloadLength); break;
case 2: writeReg(NRF_REG_RX_PW_P2, 1, &payloadLength); break;
case 3: writeReg(NRF_REG_RX_PW_P3, 1, &payloadLength); break;
case 4: writeReg(NRF_REG_RX_PW_P4, 1, &payloadLength); break;
case 5: writeReg(NRF_REG_RX_PW_P5, 1, &payloadLength); break;
}
}
/////////////////////
// FIFO_STATUS
bool NRF24L01Manager::isReuseEnabled()
{
unsigned char regValue;
readReg(NRF_REG_FIFO_STATUS, 1, ®Value);
return (regValue & (1 << NRF_REGF_FIFO_TX_REUSE));
}
bool NRF24L01Manager::isTXFull()
{
unsigned char regValue;
readReg(NRF_REG_FIFO_STATUS, 1, ®Value);
return (regValue & (1 << NRF_REGF_FIFO_TX_FULL));
}
bool NRF24L01Manager::isTXEmpty()
{
unsigned char regValue;
readReg(NRF_REG_FIFO_STATUS, 1, ®Value);
return (regValue & (1 << NRF_REGF_FIFO_TX_EMPTY));
}
bool NRF24L01Manager::isRXFull()
{
unsigned char regValue;
readReg(NRF_REG_FIFO_STATUS, 1, ®Value);
return (regValue & (1 << NRF_REGF_FIFO_RX_FULL));
}
bool NRF24L01Manager::isRXEmpty()
{
unsigned char regValue;
readReg(NRF_REG_FIFO_STATUS, 1, ®Value);
return (regValue & (1 << NRF_REGF_FIFO_RX_EMPTY));
}
/////////////////////
// Send and receive
void NRF24L01Manager::sendData(unsigned char size, unsigned char* data)
{
if (m_debug)
{
trace << "nrf24l01 package >> " << hexStr(data, size);
}
switchToTX();
systemClock->wait_us(200); // Strange workaround to prevent hard fault about here.
// If you think that is bad - go and investigate just now.
// It is something near hardware: big spi prescaler decrease fault prob.
chipSelect();
m_status = m_spi->TransmitReceive(W_TX_PAYLOAD);
m_spi->Transmit(data, size);
chipDeselect();
CEImpulse();
systemClock->wait_us(200);
updateStatus();
m_lastTransmissionTime = systemClock->getTime();
m_waitingForTransmissionEnd = true;
}
void NRF24L01Manager::receiveData(unsigned char size, unsigned char* data)
{
m_stager.stage("receiveData()");
chipEnableOff();
chipSelect();
m_status = m_spi->TransmitReceive(R_RX_PAYLOAD);
m_spi->Receive(data, size);
chipDeselect();
m_stager.stage("receiveData() end");
}
void NRF24L01Manager::flushTX()
{
chipSelect();
m_status = m_spi->TransmitReceive(FLUSH_TX);
chipDeselect();
}
void NRF24L01Manager::flushRX()
{
chipSelect();
m_status = m_spi->TransmitReceive(FLUSH_RX);
chipDeselect();
}
void NRF24L01Manager::printStatus()
{
#ifndef DBG_NRF_DISABLE
updateStatus();
readRXAdresses();
readTXAdress();
printf("status: %x\n", m_status);
if (isRXDataReady()) printf("RX Data ready\n");
if (isTXDataSent()) printf("TX Data sent\n");
if (isMaxRetriesReached()) printf("Max retries reached\n");
printf ("Pipe avaliable for RX FIFO: %d\n", getPipeNumberAvaliableForRXFIFO());
if (isReuseEnabled()) printf ("Reuse enabled\n");
if (isTXFull()) printf("TX full\n");
if (isTXEmpty()) printf("TX empty\n");
if (isRXFull()) printf("RX full\n");
if (isRXEmpty()) printf ("RX empty\n");
printf("Lost: %u, resent: %u\n", getLostPackagesCount(), getResentPackagesCount());
printf("Adresses:\n");
printf(" TX: %x %x %x %x %x\n", m_TXAdress[0], m_TXAdress[1], m_TXAdress[2], m_TXAdress[3], m_TXAdress[4]);
printf("RX P0: %x %x %x %x %x\n", m_RXAdressP0[0], m_RXAdressP0[1], m_RXAdressP0[2], m_RXAdressP0[3], m_RXAdressP0[4]);
printf("RX P1: %x %x %x %x %x\n", m_RXAdressP1[0], m_RXAdressP1[1], m_RXAdressP1[2], m_RXAdressP1[3], m_RXAdressP1[4]);
printf("RX P2: %x %x %x %x %x\n", m_RXAdressP1[0], m_RXAdressP1[1], m_RXAdressP1[2], m_RXAdressP1[3], m_RXAdressP2);
printf("RX P3: %x %x %x %x %x\n", m_RXAdressP1[0], m_RXAdressP1[1], m_RXAdressP1[2], m_RXAdressP1[3], m_RXAdressP3);
printf("RX P4: %x %x %x %x %x\n", m_RXAdressP1[0], m_RXAdressP1[1], m_RXAdressP1[2], m_RXAdressP1[3], m_RXAdressP4);
printf("RX P5: %x %x %x %x %x\n", m_RXAdressP1[0], m_RXAdressP1[1], m_RXAdressP1[2], m_RXAdressP1[3], m_RXAdressP5);
#endif
}
void NRF24L01Manager::resetAllIRQ()
{
resetRXDataReady();
resetTXDataSent();
resetMaxRetriesReached();
}
void NRF24L01Manager::interrogate()
{
//info << "ri";
/*
if (m_useInterrupts)
{
if (!m_needInterrogation)
return;
m_needInterrogation = false;
} else {
if (true == m_IRQPin->state())
return;
}*/
// This is a workaround for strange behavior of some (all?) nrf24l01 modules:
// sometimes module does not reset IRQ pin in case of TX data sent AND does not set
// proper flag, so we simply check a timeout
bool softwareDetectionOfTXDataSent = (
m_waitingForTransmissionEnd
&& (systemClock->getTime() - m_lastTransmissionTime) > timeEnoughForTransmission
);
if (!softwareDetectionOfTXDataSent && m_IRQPin->state() == true)
{
reinitIfNeeded();
return;
}
m_stager.stage("IRQ detected");
updateStatus();
if (isRXDataReady())
{
onRXDataReady();
}
updateStatus();
if (isMaxRetriesReached())
{
onMaxRetriesReached();
}
updateStatus();
if (isTXDataSent())
{
onTXDataSent();
}
if (softwareDetectionOfTXDataSent)
{
m_stager.stage("interrogate(): WA for TX freeze");
onTXDataSent();
return;
}
//resetAllIRQ();
}
void NRF24L01Manager::onTXDataSent()
{
m_stager.stage("onTXDataSent()");
// Returning to default state: receiver
resetTXDataSent();
switchToRX();
m_waitingForTransmissionEnd = false;
if (m_TXDoneCallback == nullptr) {
printf("TX done; no cb\n");
} else
m_TXDoneCallback();
}
void NRF24L01Manager::onRXDataReady()
{
m_stager.stage("onRXDataReady()");
//info << "RX data ready";
unsigned char pipe = getPipeNumberAvaliableForRXFIFO();
unsigned char data[payloadSize];
while (!isRXEmpty())
{
receiveData(payloadSize, data); // This updates m_status value
if (m_debug)
{
trace << "nrf24l01 package << " << hexStr(data, payloadSize);
}
if (m_RXcallback == nullptr) {
printf("Warning: Callback is not set! RX data from pipe %d: \n", pipe);
} else {
//info << "RX callback called";
m_RXcallback(pipe, data);
}
}
chipEnableOn();
//info << "resetRXDataReady";
resetRXDataReady();
}
void NRF24L01Manager::onMaxRetriesReached()
{
m_stager.stage("onMaxRetriesReached()");
if (m_TXMaxRTcallback == nullptr) {
printf("Max RT; no cb\n");
} else {
m_TXMaxRTcallback();
}
// Clearing PLOS_CNT
setRFChannel(m_RFChannel);
resetMaxRetriesReached();
}
void NRF24L01Manager::reinitIfNeeded()
{/*
Time now = systemClock->getTime();
if (now - m_lastReinitTime > reinitPeriod)
{
m_lastReinitTime = now;
radio << "Regular NRF reinit";
init(
m_chipEnablePin,
m_chipSelectPin,
m_IRQPin,
m_SPIIndex,
m_useInterrupts,
m_radioChannel
);
radio << "Regular NRF reinit done";
}*/
}
////////////////////
// Interrupts handling
void NRF24L01Manager::extiHandler(bool state)
{
//info << "NRF24l01 IRQ! state: " << state;
if (true == state)
return;
/*
updateStatus();
/// @todo Create function with code below
if (isTXDataSent())
{
// Returning to default state: receiver
switchToRX();
resetTXDataSent();
if (m_TXDoneCallback == nullptr) {
printf("TX done; no cb\n");
} else
m_TXDoneCallback();
}*/
m_needInterrogation = true;
}
void NRF24L01Manager::enableDebug(bool debug)
{
m_debug = debug;
}