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Merge branch 'master' into Show-fixed-GPS-coordinates-on-screen

1.2-legacy
Kevin Hester 2021-09-18 14:44:10 -07:00 zatwierdzone przez GitHub
rodzic a74f038cba 2f7e200bef
commit b3012b7ee5
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22 zmienionych plików z 476 dodań i 395 usunięć
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20
src/configuration.h
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@ -188,11 +188,11 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define LORA_DIO3 // Not connected on PCB, but internally on the TTGO SX1262, if DIO3 is high the TXCO is enabled
#ifdef USE_SX1262
#define SX1262_CS RF95_NSS // FIXME - we really should define LORA_CS instead
#define SX1262_DIO1 LORA_DIO1
#define SX1262_BUSY LORA_DIO2
#define SX1262_RESET LORA_RESET
#define SX1262_E22 // Not really an E22 but TTGO seems to be trying to clone that
#define SX126X_CS RF95_NSS // FIXME - we really should define LORA_CS instead
#define SX126X_DIO1 LORA_DIO1
#define SX126X_BUSY LORA_DIO2
#define SX126X_RESET LORA_RESET
#define SX126X_E22 // Not really an E22 but TTGO seems to be trying to clone that
// Internally the TTGO module hooks the SX1262-DIO2 in to control the TX/RX switch (which is the default for the sx1262interface
// code)
#endif
@ -462,11 +462,11 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define LORA_DIO3 // Not connected on PCB, but internally on the TTGO SX1262, if DIO3 is high the TXCO is enabled
#ifdef USE_SX1262
#define SX1262_CS 20 // CS0 on pinelora schematic, hooked to gpio D0 on ch341f
#define SX1262_DIO1 LORA_DIO1
#define SX1262_BUSY LORA_DIO2
#define SX1262_RESET LORA_RESET
// HOPE RFM90 does not have a TCXO therefore not SX1262_E22
#define SX126X_CS 20 // CS0 on pinelora schematic, hooked to gpio D0 on ch341f
#define SX126X_DIO1 LORA_DIO1
#define SX126X_BUSY LORA_DIO2
#define SX126X_RESET LORA_RESET
// HOPE RFM90 does not have a TCXO therefore not SX126X_E22
#endif
#endif

26
src/main.cpp
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@ -39,6 +39,7 @@
#include "RF95Interface.h"
#include "SX1262Interface.h"
#include "SX1268Interface.h"
#ifdef NRF52_SERIES
#include "variant.h"
@ -491,10 +492,10 @@ void setup()
}
}
#ifdef SX1262_ANT_SW
// make analog PA vs not PA switch on SX1262 eval board work properly
pinMode(SX1262_ANT_SW, OUTPUT);
digitalWrite(SX1262_ANT_SW, 1);
#ifdef SX126X_ANT_SW
// make analog PA vs not PA switch on SX126x eval board work properly
pinMode(SX126X_ANT_SW, OUTPUT);
digitalWrite(SX126X_ANT_SW, 1);
#endif
// radio init MUST BE AFTER service.init, so we have our radio config settings (from nodedb init)
@ -512,9 +513,9 @@ void setup()
}
#endif
#if defined(SX1262_CS)
#if defined(USE_SX1262)
if (!rIf) {
rIf = new SX1262Interface(SX1262_CS, SX1262_DIO1, SX1262_RESET, SX1262_BUSY, SPI);
rIf = new SX1262Interface(SX126X_CS, SX126X_DIO1, SX126X_RESET, SX126X_BUSY, SPI);
if (!rIf->init()) {
DEBUG_MSG("Warning: Failed to find SX1262 radio\n");
delete rIf;
@ -525,6 +526,19 @@ void setup()
}
#endif
#if defined(USE_SX1268)
if (!rIf) {
rIf = new SX1268Interface(SX126X_CS, SX126X_DIO1, SX126X_RESET, SX126X_BUSY, SPI);
if (!rIf->init()) {
DEBUG_MSG("Warning: Failed to find SX1268 radio\n");
delete rIf;
rIf = NULL;
} else {
DEBUG_MSG("SX1268 Radio init succeeded, using SX1268 radio\n");
}
}
#endif
#ifdef USE_SIM_RADIO
if (!rIf) {
rIf = new SimRadio;

6
src/mesh/InterfacesTemplates.cpp 100644
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@ -0,0 +1,6 @@
#include "SX126xInterface.h"
#include "SX126xInterface.cpp"
// We need this declaration for proper linking in derived classes
template class SX126xInterface<SX1262>;
template class SX126xInterface<SX1268>;

4
src/mesh/RF95Interface.cpp
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@ -67,7 +67,7 @@ bool RF95Interface::init()
#endif
setTransmitEnable(false);
int res = lora->begin(freq, bw, sf, cr, syncWord, power, currentLimit, preambleLength);
int res = lora->begin(getFreq(), bw, sf, cr, syncWord, power, currentLimit, preambleLength);
DEBUG_MSG("RF95 init result %d\n", res);
// current limit was removed from module' ctor
@ -119,7 +119,7 @@ bool RF95Interface::reconfigure()
err = lora->setPreambleLength(preambleLength);
assert(err == ERR_NONE);
err = lora->setFrequency(freq);
err = lora->setFrequency(getFreq());
if (err != ERR_NONE)
RECORD_CRITICALERROR(CriticalErrorCode_InvalidRadioSetting);

10
src/mesh/RadioInterface.cpp
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@ -318,18 +318,18 @@ void RadioInterface::applyModemConfig()
// If user has manually specified a channel num, then use that, otherwise generate one by hashing the name
const char *channelName = channels.getName(channels.getPrimaryIndex());
int channel_num = channelSettings.channel_num ? channelSettings.channel_num - 1 : hash(channelName) % myRegion->numChannels;
freq = myRegion->freq + radioConfig.preferences.frequency_offset + myRegion->spacing * channel_num;
float freq = myRegion->freq + radioConfig.preferences.frequency_offset + myRegion->spacing * channel_num;
saveChannelNum(channel_num);
saveFreq(freq);
DEBUG_MSG("Set radio: name=%s, config=%u, ch=%d, power=%d\n", channelName, channelSettings.modem_config, channel_num, power);
DEBUG_MSG("Radio myRegion->freq: %f\n", myRegion->freq);
DEBUG_MSG("Radio myRegion->spacing: %f\n", myRegion->spacing);
DEBUG_MSG("Radio myRegion->numChannels: %d\n", myRegion->numChannels);
DEBUG_MSG("Radio channel_num: %d\n", channel_num);
DEBUG_MSG("Radio frequency: %f\n", freq);
DEBUG_MSG("Radio frequency: %f\n", getFreq()); // the frequency could be overridden in RadioInterface::getFreq() for some modules
DEBUG_MSG("Short packet time: %u msec\n", shortPacketMsec);
saveChannelNum(channel_num);
saveFreq(freq);
}
/**

4
src/mesh/RadioInterface.h
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@ -78,8 +78,6 @@ class RadioInterface
void deliverToReceiver(MeshPacket *p);
public:
float freq = 915.0;
/** pool is the pool we will alloc our rx packets from
*/
RadioInterface();
@ -149,7 +147,7 @@ class RadioInterface
/**
* Get the frequency we saved.
*/
float getFreq();
virtual float getFreq();
/// Some boards (1st gen Pinetab Lora module) have broken IRQ wires, so we need to poll via i2c registers
virtual bool isIRQPending() { return false; }

250
src/mesh/SX1262Interface.cpp
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@ -2,256 +2,8 @@
#include "SX1262Interface.h"
#include "error.h"
// Particular boards might define a different max power based on what their hardware can do
#ifndef SX1262_MAX_POWER
#define SX1262_MAX_POWER 22
#endif
SX1262Interface::SX1262Interface(RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq, RADIOLIB_PIN_TYPE rst, RADIOLIB_PIN_TYPE busy,
SPIClass &spi)
: RadioLibInterface(cs, irq, rst, busy, spi, &lora), lora(&module)
: SX126xInterface(cs, irq, rst, busy, spi)
{
}
/// Initialise the Driver transport hardware and software.
/// Make sure the Driver is properly configured before calling init().
/// \return true if initialisation succeeded.
bool SX1262Interface::init()
{
#ifdef SX1262_POWER_EN
digitalWrite(SX1262_POWER_EN, HIGH);
pinMode(SX1262_POWER_EN, OUTPUT);
#endif
#ifdef SX1262_RXEN // set not rx or tx mode
digitalWrite(SX1262_RXEN, LOW); // Set low before becoming an output
pinMode(SX1262_RXEN, OUTPUT);
#endif
#ifdef SX1262_TXEN
digitalWrite(SX1262_TXEN, LOW);
pinMode(SX1262_TXEN, OUTPUT);
#endif
#ifndef SX1262_E22
float tcxoVoltage = 0; // None - we use an XTAL
#else
// Use DIO3 to power tcxo per https://github.com/jgromes/RadioLib/issues/12#issuecomment-520695575
float tcxoVoltage = 1.8;
#endif
bool useRegulatorLDO = false; // Seems to depend on the connection to pin 9/DCC_SW - if an inductor DCDC?
RadioLibInterface::init();
if (power == 0)
power = SX1262_MAX_POWER;
if (power > SX1262_MAX_POWER) // This chip has lower power limits than some
power = SX1262_MAX_POWER;
limitPower();
int res = lora.begin(freq, bw, sf, cr, syncWord, power, preambleLength, tcxoVoltage, useRegulatorLDO);
DEBUG_MSG("SX1262 init result %d\n", res);
// current limit was removed from module' ctor
// override default value (60 mA)
res = lora.setCurrentLimit(currentLimit);
DEBUG_MSG("Current limit set to %f\n", currentLimit);
DEBUG_MSG("Current limit set result %d\n", res);
#ifdef SX1262_TXEN
// lora.begin sets Dio2 as RF switch control, which is not true if we are manually controlling RX and TX
if (res == ERR_NONE)
res = lora.setDio2AsRfSwitch(false);
#endif
#if 0
// Read/write a register we are not using (only used for FSK mode) to test SPI comms
uint8_t crcLSB = 0;
int err = lora.readRegister(SX126X_REG_CRC_POLYNOMIAL_LSB, &crcLSB, 1);
if(err != ERR_NONE)
RECORD_CRITICALERROR(CriticalErrorCode_SX1262Failure);
//if(crcLSB != 0x0f)
// RECORD_CRITICALERROR(CriticalErrorCode_SX1262Failure);
crcLSB = 0x5a;
err = lora.writeRegister(SX126X_REG_CRC_POLYNOMIAL_LSB, &crcLSB, 1);
if(err != ERR_NONE)
RECORD_CRITICALERROR(CriticalErrorCode_SX1262Failure);
err = lora.readRegister(SX126X_REG_CRC_POLYNOMIAL_LSB, &crcLSB, 1);
if(err != ERR_NONE)
RECORD_CRITICALERROR(CriticalErrorCode_SX1262Failure);
if(crcLSB != 0x5a)
RECORD_CRITICALERROR(CriticalErrorCode_SX1262Failure);
// If we got this far register accesses (and therefore SPI comms) are good
#endif
if (res == ERR_NONE)
res = lora.setCRC(SX126X_LORA_CRC_ON);
if (res == ERR_NONE)
startReceive(); // start receiving
return res == ERR_NONE;
}
bool SX1262Interface::reconfigure()
{
RadioLibInterface::reconfigure();
// set mode to standby
setStandby();
// configure publicly accessible settings
int err = lora.setSpreadingFactor(sf);
if (err != ERR_NONE)
RECORD_CRITICALERROR(CriticalErrorCode_InvalidRadioSetting);
err = lora.setBandwidth(bw);
if (err != ERR_NONE)
RECORD_CRITICALERROR(CriticalErrorCode_InvalidRadioSetting);
err = lora.setCodingRate(cr);
if (err != ERR_NONE)
RECORD_CRITICALERROR(CriticalErrorCode_InvalidRadioSetting);
// Hmm - seems to lower SNR when the signal levels are high. Leaving off for now...
err = lora.setRxGain(true);
assert(err == ERR_NONE);
err = lora.setSyncWord(syncWord);
assert(err == ERR_NONE);
err = lora.setCurrentLimit(currentLimit);
assert(err == ERR_NONE);
err = lora.setPreambleLength(preambleLength);
assert(err == ERR_NONE);
err = lora.setFrequency(freq);
if (err != ERR_NONE)
RECORD_CRITICALERROR(CriticalErrorCode_InvalidRadioSetting);
if (power > 22) // This chip has lower power limits than some
power = 22;
err = lora.setOutputPower(power);
assert(err == ERR_NONE);
startReceive(); // restart receiving
return ERR_NONE;
}
void INTERRUPT_ATTR SX1262Interface::disableInterrupt()
{
lora.clearDio1Action();
}
void SX1262Interface::setStandby()
{
checkNotification(); // handle any pending interrupts before we force standby
int err = lora.standby();
assert(err == ERR_NONE);
#ifdef SX1262_RXEN // we have RXEN/TXEN control - turn off RX and TX power
digitalWrite(SX1262_RXEN, LOW);
#endif
#ifdef SX1262_TXEN
digitalWrite(SX1262_TXEN, LOW);
#endif
isReceiving = false; // If we were receiving, not any more
disableInterrupt();
completeSending(); // If we were sending, not anymore
}
/**
* Add SNR data to received messages
*/
void SX1262Interface::addReceiveMetadata(MeshPacket *mp)
{
// DEBUG_MSG("PacketStatus %x\n", lora.getPacketStatus());
mp->rx_snr = lora.getSNR();
mp->rx_rssi = lround(lora.getRSSI());
}
/** We override to turn on transmitter power as needed.
*/
void SX1262Interface::configHardwareForSend()
{
#ifdef SX1262_TXEN // we have RXEN/TXEN control - turn on TX power / off RX power
digitalWrite(SX1262_TXEN, HIGH);
#endif
RadioLibInterface::configHardwareForSend();
}
// For power draw measurements, helpful to force radio to stay sleeping
// #define SLEEP_ONLY
void SX1262Interface::startReceive()
{
#ifdef SLEEP_ONLY
sleep();
#else
setStandby();
#ifdef SX1262_RXEN // we have RXEN/TXEN control - turn on RX power / off TX power
digitalWrite(SX1262_RXEN, HIGH);
#endif
// int err = lora.startReceive();
int err = lora.startReceiveDutyCycleAuto(); // We use a 32 bit preamble so this should save some power by letting radio sit in
// standby mostly.
assert(err == ERR_NONE);
isReceiving = true;
// Must be done AFTER, starting transmit, because startTransmit clears (possibly stale) interrupt pending register bits
enableInterrupt(isrRxLevel0);
#endif
}
/** Could we send right now (i.e. either not actively receving or transmitting)? */
bool SX1262Interface::isActivelyReceiving()
{
// The IRQ status will be cleared when we start our read operation. Check if we've started a header, but haven't yet
// received and handled the interrupt for reading the packet/handling errors.
// FIXME: it would be better to check for preamble, but we currently have our ISR not set to fire for packets that
// never even get a valid header, so we don't want preamble to get set and stay set due to noise on the network.
uint16_t irq = lora.getIrqStatus();
bool hasPreamble = (irq & SX126X_IRQ_HEADER_VALID);
// this is not correct - often always true - need to add an extra conditional
// size_t bytesPending = lora.getPacketLength();
// if (hasPreamble) DEBUG_MSG("rx hasPreamble\n");
return hasPreamble;
}
bool SX1262Interface::sleep()
{
// Not keeping config is busted - next time nrf52 board boots lora sending fails tcxo related? - see datasheet
DEBUG_MSG("sx1262 entering sleep mode (FIXME, don't keep config)\n");
setStandby(); // Stop any pending operations
// turn off TCXO if it was powered
// FIXME - this isn't correct
// lora.setTCXO(0);
// put chipset into sleep mode (we've already disabled interrupts by now)
bool keepConfig = true;
lora.sleep(keepConfig); // Note: we do not keep the config, full reinit will be needed
#ifdef SX1262_POWER_EN
digitalWrite(SX1262_POWER_EN, LOW);
#endif
return true;
}

54
src/mesh/SX1262Interface.h
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@ -1,62 +1,12 @@
#pragma once
#include "RadioLibInterface.h"
#include "SX126xInterface.h"
/**
* Our adapter for SX1262 radios
*/
class SX1262Interface : public RadioLibInterface
class SX1262Interface : public SX126xInterface<SX1262>
{
SX1262 lora;
public:
SX1262Interface(RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq, RADIOLIB_PIN_TYPE rst, RADIOLIB_PIN_TYPE busy, SPIClass &spi);
/// Initialise the Driver transport hardware and software.
/// Make sure the Driver is properly configured before calling init().
/// \return true if initialisation succeeded.
virtual bool init();
/// Apply any radio provisioning changes
/// Make sure the Driver is properly configured before calling init().
/// \return true if initialisation succeeded.
virtual bool reconfigure();
/// Prepare hardware for sleep. Call this _only_ for deep sleep, not needed for light sleep.
virtual bool sleep();
bool isIRQPending() { return lora.getIrqStatus() != 0; }
protected:
/**
* Glue functions called from ISR land
*/
virtual void disableInterrupt();
/**
* Enable a particular ISR callback glue function
*/
virtual void enableInterrupt(void (*callback)()) { lora.setDio1Action(callback); }
/** are we actively receiving a packet (only called during receiving state) */
virtual bool isActivelyReceiving();
/**
* Start waiting to receive a message
*/
virtual void startReceive();
/**
* We override to turn on transmitter power as needed.
*/
virtual void configHardwareForSend();
/**
* Add SNR data to received messages
*/
virtual void addReceiveMetadata(MeshPacket *mp);
virtual void setStandby();
private:
};

9
src/mesh/SX1268Interface.cpp 100644
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@ -0,0 +1,9 @@
#include "configuration.h"
#include "SX1268Interface.h"
#include "error.h"
SX1268Interface::SX1268Interface(RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq, RADIOLIB_PIN_TYPE rst, RADIOLIB_PIN_TYPE busy,
SPIClass &spi)
: SX126xInterface(cs, irq, rst, busy, spi)
{
}

15
src/mesh/SX1268Interface.h 100644
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@ -0,0 +1,15 @@
#pragma once
#include "SX126xInterface.h"
/**
* Our adapter for SX1268 radios
*/
class SX1268Interface : public SX126xInterface<SX1268>
{
public:
/// override frequency of the SX1268 module regardless of the region (use EU433 value)
virtual float getFreq() { return 433.175f; }
SX1268Interface(RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq, RADIOLIB_PIN_TYPE rst, RADIOLIB_PIN_TYPE busy, SPIClass &spi);
};

269
src/mesh/SX126xInterface.cpp 100644
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@ -0,0 +1,269 @@
#include "configuration.h"
#include "SX126xInterface.h"
#include "error.h"
// Particular boards might define a different max power based on what their hardware can do
#ifndef SX126X_MAX_POWER
#define SX126X_MAX_POWER 22
#endif
template<typename T>
SX126xInterface<T>::SX126xInterface(RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq, RADIOLIB_PIN_TYPE rst, RADIOLIB_PIN_TYPE busy,
SPIClass &spi)
: RadioLibInterface(cs, irq, rst, busy, spi, &lora), lora(&module)
{
}
/// Initialise the Driver transport hardware and software.
/// Make sure the Driver is properly configured before calling init().
/// \return true if initialisation succeeded.
template<typename T>
bool SX126xInterface<T>::init()
{
#ifdef SX126X_POWER_EN
digitalWrite(SX126X_POWER_EN, HIGH);
pinMode(SX126X_POWER_EN, OUTPUT);
#endif
#ifdef SX126X_RXEN // set not rx or tx mode
digitalWrite(SX126X_RXEN, LOW); // Set low before becoming an output
pinMode(SX126X_RXEN, OUTPUT);
#endif
#ifdef SX126X_TXEN
digitalWrite(SX126X_TXEN, LOW);
pinMode(SX126X_TXEN, OUTPUT);
#endif
#ifndef SX126X_E22
float tcxoVoltage = 0; // None - we use an XTAL
#else
// Use DIO3 to power tcxo per https://github.com/jgromes/RadioLib/issues/12#issuecomment-520695575
float tcxoVoltage = 1.8;
#endif
bool useRegulatorLDO = false; // Seems to depend on the connection to pin 9/DCC_SW - if an inductor DCDC?
RadioLibInterface::init();
if (power == 0)
power = SX126X_MAX_POWER;
if (power > SX126X_MAX_POWER) // This chip has lower power limits than some
power = SX126X_MAX_POWER;
limitPower();
int res = lora.begin(getFreq(), bw, sf, cr, syncWord, power, preambleLength, tcxoVoltage, useRegulatorLDO);
// \todo Display actual typename of the adapter, not just `SX126x`
DEBUG_MSG("SX126x init result %d\n", res);
// current limit was removed from module' ctor
// override default value (60 mA)
res = lora.setCurrentLimit(currentLimit);
DEBUG_MSG("Current limit set to %f\n", currentLimit);
DEBUG_MSG("Current limit set result %d\n", res);
#ifdef SX126X_TXEN
// lora.begin sets Dio2 as RF switch control, which is not true if we are manually controlling RX and TX
if (res == ERR_NONE)
res = lora.setDio2AsRfSwitch(false);
#endif
#if 0
// Read/write a register we are not using (only used for FSK mode) to test SPI comms
uint8_t crcLSB = 0;
int err = lora.readRegister(SX126X_REG_CRC_POLYNOMIAL_LSB, &crcLSB, 1);
if(err != ERR_NONE)
RECORD_CRITICALERROR(CriticalErrorCode_SX1262Failure);
//if(crcLSB != 0x0f)
// RECORD_CRITICALERROR(CriticalErrorCode_SX1262Failure);
crcLSB = 0x5a;
err = lora.writeRegister(SX126X_REG_CRC_POLYNOMIAL_LSB, &crcLSB, 1);
if(err != ERR_NONE)
RECORD_CRITICALERROR(CriticalErrorCode_SX1262Failure);
err = lora.readRegister(SX126X_REG_CRC_POLYNOMIAL_LSB, &crcLSB, 1);
if(err != ERR_NONE)
RECORD_CRITICALERROR(CriticalErrorCode_SX1262Failure);
if(crcLSB != 0x5a)
RECORD_CRITICALERROR(CriticalErrorCode_SX1262Failure);
// If we got this far register accesses (and therefore SPI comms) are good
#endif
if (res == ERR_NONE)
res = lora.setCRC(SX126X_LORA_CRC_ON);
if (res == ERR_NONE)
startReceive(); // start receiving
return res == ERR_NONE;
}
template<typename T>
bool SX126xInterface<T>::reconfigure()
{
RadioLibInterface::reconfigure();
// set mode to standby
setStandby();
// configure publicly accessible settings
int err = lora.setSpreadingFactor(sf);
if (err != ERR_NONE)
RECORD_CRITICALERROR(CriticalErrorCode_InvalidRadioSetting);
err = lora.setBandwidth(bw);
if (err != ERR_NONE)
RECORD_CRITICALERROR(CriticalErrorCode_InvalidRadioSetting);
err = lora.setCodingRate(cr);
if (err != ERR_NONE)
RECORD_CRITICALERROR(CriticalErrorCode_InvalidRadioSetting);
// Hmm - seems to lower SNR when the signal levels are high. Leaving off for now...
err = lora.setRxGain(true);
assert(err == ERR_NONE);
err = lora.setSyncWord(syncWord);
assert(err == ERR_NONE);
err = lora.setCurrentLimit(currentLimit);
assert(err == ERR_NONE);
err = lora.setPreambleLength(preambleLength);
assert(err == ERR_NONE);
err = lora.setFrequency(getFreq());
if (err != ERR_NONE)
RECORD_CRITICALERROR(CriticalErrorCode_InvalidRadioSetting);
if (power > 22) // This chip has lower power limits than some
power = 22;
err = lora.setOutputPower(power);
assert(err == ERR_NONE);
startReceive(); // restart receiving
return ERR_NONE;
}
template<typename T>
void INTERRUPT_ATTR SX126xInterface<T>::disableInterrupt()
{
lora.clearDio1Action();
}
template<typename T>
void SX126xInterface<T>::setStandby()
{
checkNotification(); // handle any pending interrupts before we force standby
int err = lora.standby();
assert(err == ERR_NONE);
#ifdef SX126X_RXEN // we have RXEN/TXEN control - turn off RX and TX power
digitalWrite(SX126X_RXEN, LOW);
#endif
#ifdef SX126X_TXEN
digitalWrite(SX126X_TXEN, LOW);
#endif
isReceiving = false; // If we were receiving, not any more
disableInterrupt();
completeSending(); // If we were sending, not anymore
}
/**
* Add SNR data to received messages
*/
template<typename T>
void SX126xInterface<T>::addReceiveMetadata(MeshPacket *mp)
{
// DEBUG_MSG("PacketStatus %x\n", lora.getPacketStatus());
mp->rx_snr = lora.getSNR();
mp->rx_rssi = lround(lora.getRSSI());
}
/** We override to turn on transmitter power as needed.
*/
template<typename T>
void SX126xInterface<T>::configHardwareForSend()
{
#ifdef SX126X_TXEN // we have RXEN/TXEN control - turn on TX power / off RX power
digitalWrite(SX126X_TXEN, HIGH);
#endif
RadioLibInterface::configHardwareForSend();
}
// For power draw measurements, helpful to force radio to stay sleeping
// #define SLEEP_ONLY
template<typename T>
void SX126xInterface<T>::startReceive()
{
#ifdef SLEEP_ONLY
sleep();
#else
setStandby();
#ifdef SX126X_RXEN // we have RXEN/TXEN control - turn on RX power / off TX power
digitalWrite(SX126X_RXEN, HIGH);
#endif
// int err = lora.startReceive();
int err = lora.startReceiveDutyCycleAuto(); // We use a 32 bit preamble so this should save some power by letting radio sit in
// standby mostly.
assert(err == ERR_NONE);
isReceiving = true;
// Must be done AFTER, starting transmit, because startTransmit clears (possibly stale) interrupt pending register bits
enableInterrupt(isrRxLevel0);
#endif
}
/** Could we send right now (i.e. either not actively receving or transmitting)? */
template<typename T>
bool SX126xInterface<T>::isActivelyReceiving()
{
// The IRQ status will be cleared when we start our read operation. Check if we've started a header, but haven't yet
// received and handled the interrupt for reading the packet/handling errors.
// FIXME: it would be better to check for preamble, but we currently have our ISR not set to fire for packets that
// never even get a valid header, so we don't want preamble to get set and stay set due to noise on the network.
uint16_t irq = lora.getIrqStatus();
bool hasPreamble = (irq & SX126X_IRQ_HEADER_VALID);
// this is not correct - often always true - need to add an extra conditional
// size_t bytesPending = lora.getPacketLength();
// if (hasPreamble) DEBUG_MSG("rx hasPreamble\n");
return hasPreamble;
}
template<typename T>
bool SX126xInterface<T>::sleep()
{
// Not keeping config is busted - next time nrf52 board boots lora sending fails tcxo related? - see datasheet
// \todo Display actual typename of the adapter, not just `SX126x`
DEBUG_MSG("sx126x entering sleep mode (FIXME, don't keep config)\n");
setStandby(); // Stop any pending operations
// turn off TCXO if it was powered
// FIXME - this isn't correct
// lora.setTCXO(0);
// put chipset into sleep mode (we've already disabled interrupts by now)
bool keepConfig = true;
lora.sleep(keepConfig); // Note: we do not keep the config, full reinit will be needed
#ifdef SX126X_POWER_EN
digitalWrite(SX126X_POWER_EN, LOW);
#endif
return true;
}

68
src/mesh/SX126xInterface.h 100644
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@ -0,0 +1,68 @@
#pragma once
#include "RadioLibInterface.h"
/**
* \brief Adapter for SX126x radio family. Implements common logic for child classes.
* \tparam T RadioLib module type for SX126x: SX1262, SX1268.
*/
template<class T>
class SX126xInterface : public RadioLibInterface
{
public:
SX126xInterface(RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq, RADIOLIB_PIN_TYPE rst, RADIOLIB_PIN_TYPE busy, SPIClass &spi);
/// Initialise the Driver transport hardware and software.
/// Make sure the Driver is properly configured before calling init().
/// \return true if initialisation succeeded.
virtual bool init();
/// Apply any radio provisioning changes
/// Make sure the Driver is properly configured before calling init().
/// \return true if initialisation succeeded.
virtual bool reconfigure();
/// Prepare hardware for sleep. Call this _only_ for deep sleep, not needed for light sleep.
virtual bool sleep();
bool isIRQPending() { return lora.getIrqStatus() != 0; }
protected:
/**
* Specific module instance
*/
T lora;
/**
* Glue functions called from ISR land
*/
virtual void disableInterrupt();
/**
* Enable a particular ISR callback glue function
*/
virtual void enableInterrupt(void (*callback)()) { lora.setDio1Action(callback); }
/** are we actively receiving a packet (only called during receiving state) */
virtual bool isActivelyReceiving();
/**
* Start waiting to receive a message
*/
virtual void startReceive();
/**
* We override to turn on transmitter power as needed.
*/
virtual void configHardwareForSend();
/**
* Add SNR data to received messages
*/
virtual void addReceiveMetadata(MeshPacket *mp);
virtual void setStandby();
private:
};

12
src/portduino/PortduinoGlue.cpp
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@ -72,13 +72,13 @@ void portduinoSetup()
gpioBind(loraIrq);
// BUSY hw was busted on current board - just use the simulated pin (which will read low)
auto busy = new LinuxGPIOPin(SX1262_BUSY, "ch341", "slct", "loraBusy");
auto busy = new LinuxGPIOPin(SX126X_BUSY, "ch341", "slct", "loraBusy");
busy->setSilent();
gpioBind(busy);
gpioBind(new LinuxGPIOPin(SX1262_RESET, "ch341", "ini", "loraReset"));
gpioBind(new LinuxGPIOPin(SX126X_RESET, "ch341", "ini", "loraReset"));
auto loraCs = new LinuxGPIOPin(SX1262_CS, "ch341", "cs0", "loraCs");
auto loraCs = new LinuxGPIOPin(SX126X_CS, "ch341", "cs0", "loraCs");
loraCs->setSilent();
gpioBind(loraCs);
}
@ -86,16 +86,16 @@ void portduinoSetup()
#endif
{
auto fakeBusy = new SimGPIOPin(SX1262_BUSY, "fakeBusy");
auto fakeBusy = new SimGPIOPin(SX126X_BUSY, "fakeBusy");
fakeBusy->writePin(LOW);
fakeBusy->setSilent(true);
gpioBind(fakeBusy);
auto cs = new SimGPIOPin(SX1262_CS, "fakeLoraCS");
auto cs = new SimGPIOPin(SX126X_CS, "fakeLoraCS");
cs->setSilent(true);
gpioBind(cs);
gpioBind(new SimGPIOPin(SX1262_RESET, "fakeLoraReset"));
gpioBind(new SimGPIOPin(SX126X_RESET, "fakeLoraReset"));
gpioBind(new SimGPIOPin(LORA_DIO1, "fakeLoraIrq"));
}

14
variants/WisCore_RAK4631_Board/variant.h
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@ -151,13 +151,13 @@ static const uint8_t SCK = PIN_SPI_SCK;
*/
// RAK4630 LoRa module
#define SX1262_CS (42)
#define SX1262_DIO1 (47)
#define SX1262_BUSY (46)
#define SX1262_RESET (38)
#define SX1262_TXEN (39)
#define SX1262_RXEN (37)
#define SX1262_E22 // DIO2 controlls an antenna switch and the TCXO voltage is controlled by DIO3
#define SX126X_CS (42)
#define SX126X_DIO1 (47)
#define SX126X_BUSY (46)
#define SX126X_RESET (38)
#define SX126X_TXEN (39)
#define SX126X_RXEN (37)
#define SX126X_E22 // DIO2 controlls an antenna switch and the TCXO voltage is controlled by DIO3
// RAK1910 GPS module
// If using the wisblock GPS module and pluged into Port A on WisBlock base

10
variants/eink0.1/variant.h
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@ -178,15 +178,15 @@ External serial flash WP25R1635FZUIL0
* Lora radio
*/
#define SX1262_CS (0 + 24) // FIXME - we really should define LORA_CS instead
#define SX1262_DIO1 (0 + 20)
#define SX126X_CS (0 + 24) // FIXME - we really should define LORA_CS instead
#define SX126X_DIO1 (0 + 20)
// Note DIO2 is attached internally to the module to an analog switch for TX/RX switching
#define SX1262_DIO3 \
(0 + 21) // This is used as an *output* from the sx1262 and connected internally to power the tcxo, do not drive from the main
// CPU?
#define SX1262_BUSY (0 + 17)
#define SX1262_RESET (0 + 25)
#define SX1262_E22 // Not really an E22 but TTGO seems to be trying to clone that
#define SX126X_BUSY (0 + 17)
#define SX126X_RESET (0 + 25)
#define SX126X_E22 // Not really an E22 but TTGO seems to be trying to clone that
// Internally the TTGO module hooks the SX1262-DIO2 in to control the TX/RX switch (which is the default for the sx1262interface
// code)

10
variants/lora_isp4520/variant.h
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@ -57,10 +57,10 @@
#define WIRE_INTERFACES_COUNT 0
// GPIOs the SX1262 is connected
#define SX1262_CS 1 // aka SPI_NSS
#define SX1262_DIO1 (4)
#define SX1262_BUSY (5)
#define SX1262_RESET (6)
#define SX126X_CS 1 // aka SPI_NSS
#define SX126X_DIO1 (4)
#define SX126X_BUSY (5)
#define SX126X_RESET (6)
/*
* Serial interfaces
@ -91,7 +91,7 @@
#define BATTERY_PIN 3
#define ADC_MULTIPLIER 1.436
#define SX1262_E22 // Not really an E22 but this board clones using DIO3 for tcxo control
#define SX126X_E22 // Not really an E22 but this board clones using DIO3 for tcxo control
#define NO_WIRE
#define NO_GPS

18
variants/lora_relay_v1/variant.h
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@ -117,21 +117,21 @@ static const uint8_t SCK = PIN_SPI_SCK;
#define I2C_ADDR_BQ27441 0x55 // Battery gauge
// CUSTOM GPIOs the SX1262
#define SX1262_CS (32)
#define SX126X_CS (32)
// If you would prefer to get console debug output over the JTAG ICE connection rather than the CDC-ACM USB serial device, just
// define this. #define USE_SEGGER
#define SX1262_DIO1 (29)
#define SX126X_DIO1 (29)
#define SX1262_DIO2 (30)
#define SX1262_BUSY (33) // Supposed to be P0.18 but because of reworks, now on P0.31 (18)
#define SX1262_RESET (34)
// #define SX1262_ANT_SW (32 + 10)
#define SX1262_RXEN (14)
#define SX1262_TXEN (31)
#define SX1262_POWER_EN \
#define SX126X_BUSY (33) // Supposed to be P0.18 but because of reworks, now on P0.31 (18)
#define SX126X_RESET (34)
// #define SX126X_ANT_SW (32 + 10)
#define SX126X_RXEN (14)
#define SX126X_TXEN (31)
#define SX126X_POWER_EN \
(15) // FIXME, see warning hre https://github.com/BigCorvus/SX1262-LoRa-BLE-Relay/blob/master/LORA_RELAY_NRF52840.ino
#define SX1262_E22 // Indicates this SX1262 is inside of an ebyte E22 module and special config should be done for that
#define SX126X_E22 // Indicates this SX1262 is inside of an ebyte E22 module and special config should be done for that
#define ST7735_RESET (11) // Output
#define ST7735_CS (12)

18
variants/lora_relay_v2/variant.h
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@ -137,21 +137,21 @@ static const uint8_t SCK = PIN_SPI_SCK;
#define I2C_ADDR_BQ27441 0x55 // Battery gauge
// CUSTOM GPIOs the SX1262
#define SX1262_CS (32)
#define SX126X_CS (32)
// If you would prefer to get console debug output over the JTAG ICE connection rather than the CDC-ACM USB serial device, just
// define this. #define USE_SEGGER
#define SX1262_DIO1 (29)
#define SX126X_DIO1 (29)
#define SX1262_DIO2 (30)
#define SX1262_BUSY (33) // Supposed to be P0.18 but because of reworks, now on P0.31 (18)
#define SX1262_RESET (34)
// #define SX1262_ANT_SW (32 + 10)
#define SX1262_RXEN (14)
#define SX1262_TXEN (31)
#define SX1262_POWER_EN \
#define SX126X_BUSY (33) // Supposed to be P0.18 but because of reworks, now on P0.31 (18)
#define SX126X_RESET (34)
// #define SX126X_ANT_SW (32 + 10)
#define SX126X_RXEN (14)
#define SX126X_TXEN (31)
#define SX126X_POWER_EN \
(15) // FIXME, see warning hre https://github.com/BigCorvus/SX1262-LoRa-BLE-Relay/blob/master/LORA_RELAY_NRF52840.ino
#define SX1262_E22 // Indicates this SX1262 is inside of an ebyte E22 module and special config should be done for that
#define SX126X_E22 // Indicates this SX1262 is inside of an ebyte E22 module and special config should be done for that
// ST7565 SPI
#define ST7735_RESET (11) // Output

10
variants/pca10056-rc-clock/variant.h
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@ -140,11 +140,11 @@ static const uint8_t SCK = PIN_SPI_SCK;
#define EXTERNAL_FLASH_USE_QSPI
// CUSTOM GPIOs the SX1262MB2CAS shield when installed on the NRF52840-DK development board
#define SX1262_CS (32 + 8) // P1.08
#define SX1262_DIO1 (32 + 6) // P1.06
#define SX1262_BUSY (32 + 4) // P1.04
#define SX1262_RESET (0 + 3) // P0.03
#define SX1262_ANT_SW (32 + 10) // P1.10
#define SX126X_CS (32 + 8) // P1.08
#define SX126X_DIO1 (32 + 6) // P1.06
#define SX126X_BUSY (32 + 4) // P1.04
#define SX126X_RESET (0 + 3) // P0.03
#define SX126X_ANT_SW (32 + 10) // P1.10
// To debug via the segger JLINK console rather than the CDC-ACM serial device
// #define USE_SEGGER

16
variants/ppr/variant.h
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@ -129,15 +129,15 @@ static const uint8_t SCK = PIN_SPI_SCK;
#define PIN_WIRE_SCL (32)
// CUSTOM GPIOs the SX1262
#define SX1262_CS (10)
#define SX1262_DIO1 (20)
#define SX126X_CS (10)
#define SX126X_DIO1 (20)
#define SX1262_DIO2 (26)
#define SX1262_BUSY (31) // Supposed to be P0.18 but because of reworks, now on P0.31 (18)
#define SX1262_RESET (17)
// #define SX1262_ANT_SW (32 + 10)
#define SX1262_RXEN (22)
#define SX1262_TXEN (24)
#define SX1262_E22 // Indicates this SX1262 is inside of an ebyte E22 module and special config should be done for that
#define SX126X_BUSY (31) // Supposed to be P0.18 but because of reworks, now on P0.31 (18)
#define SX126X_RESET (17)
// #define SX126X_ANT_SW (32 + 10)
#define SX126X_RXEN (22)
#define SX126X_TXEN (24)
#define SX126X_E22 // Indicates this SX1262 is inside of an ebyte E22 module and special config should be done for that
// ERC12864-10 LCD
#define ERC12864_CS (32 + 4)

16
variants/ppr1/variant.h
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@ -152,18 +152,18 @@ static const uint8_t SCK = PIN_SPI_SCK;
#define PIN_WIRE_SCL (32)
// CUSTOM GPIOs the SX1262
#define SX1262_CS (0 + 10) // FIXME - we really should define LORA_CS instead
#define SX1262_DIO1 (0 + 20)
#define SX126X_CS (0 + 10) // FIXME - we really should define LORA_CS instead
#define SX126X_DIO1 (0 + 20)
#define SX1262_DIO2 (0 + 26)
#define SX1262_BUSY (0 + 19)
#define SX1262_RESET (0 + 17)
#define SX1262_TXEN (0 + 24)
#define SX1262_RXEN (0 + 22)
#define SX1262_E22 // Not really an E22 but this board clones using DIO3 for tcxo control
#define SX126X_BUSY (0 + 19)
#define SX126X_RESET (0 + 17)
#define SX126X_TXEN (0 + 24)
#define SX126X_RXEN (0 + 22)
#define SX126X_E22 // Not really an E22 but this board clones using DIO3 for tcxo control
// FIXME, to prevent burning out parts I've set the power level super low, because I don't have
// an antenna wired up
#define SX1262_MAX_POWER 1
#define SX126X_MAX_POWER 1
#define LORA_DISABLE_SENDING // Define this to disable transmission for testing (power testing etc...)

12
variants/t-echo/variant.h
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@ -180,21 +180,21 @@ External serial flash WP25R1635FZUIL0
* Lora radio
*/
#define SX1262_CS (0 + 24) // FIXME - we really should define LORA_CS instead
#define SX1262_DIO1 (0 + 20)
#define SX126X_CS (0 + 24) // FIXME - we really should define LORA_CS instead
#define SX126X_DIO1 (0 + 20)
// Note DIO2 is attached internally to the module to an analog switch for TX/RX switching
#define SX1262_DIO3 \
(0 + 21) // This is used as an *output* from the sx1262 and connected internally to power the tcxo, do not drive from the main
// CPU?
#define SX1262_BUSY (0 + 17)
#define SX1262_RESET (0 + 25)
#define SX1262_E22 // Not really an E22 but TTGO seems to be trying to clone that
#define SX126X_BUSY (0 + 17)
#define SX126X_RESET (0 + 25)
#define SX126X_E22 // Not really an E22 but TTGO seems to be trying to clone that
// Internally the TTGO module hooks the SX1262-DIO2 in to control the TX/RX switch (which is the default for the sx1262interface
// code)
// #define LORA_DISABLE_SENDING // Define this to disable transmission for testing (power testing etc...)
// #undef SX1262_CS
// #undef SX126X_CS
// #define USE_SIM_RADIO // define to not use the lora radio hardware at all
/*