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Use LORA_DIO1 as RadioLib GPIO for SX127x chips (#2290)

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* When channel is active, first try receiving that packet
Afterwards we'll try transmitting again

* Remove setStandby in startSend
Already done in isChannelActive()

* Set LORA_DIO1 as RadioLib GPIO for SX127x

* LORA_DIO1 for Heltec v1, overlaps with GPS_TX
Set to RADIOLIB_NC for now

* If receive was not successful, startReceive doesn't trigger the interrupt
So we have to go back to transmitting anyway

---------

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
This commit is contained in:
GUVWAF 2023-02-20 14:40:44 +01:00 committed by Thomas Göttgens
parent 462ee3d921
commit 83a201fe86
13 changed files with 22 additions and 20 deletions
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2
src/RF95Configuration.h
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@ -2,6 +2,6 @@
#ifdef USE_RF95
#define RF95_RESET LORA_RESET
#define RF95_IRQ LORA_DIO0 // on SX1262 version this is a no connect DIO0
#define RF95_DIO1 LORA_DIO1 // Note: not really used for RF95
#define RF95_DIO1 LORA_DIO1 // Note: not really used for RF95, but used for pure SX127x
#define RF95_DIO2 LORA_DIO2 // Note: not really used for RF95
#endif

2
src/main.cpp
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@ -407,7 +407,7 @@ void setup()
#if defined(RF95_IRQ)
if (!rIf) {
rIf = new RF95Interface(RF95_NSS, RF95_IRQ, RF95_RESET, SPI);
rIf = new RF95Interface(RF95_NSS, RF95_IRQ, RF95_RESET, RF95_DIO1, SPI);
if (!rIf->init()) {
LOG_WARN("Failed to find RF95 radio\n");
delete rIf;

5
src/mesh/RF95Interface.cpp
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@ -11,8 +11,9 @@
#define POWER_DEFAULT 17 // How much power to use if the user hasn't set a power level
RF95Interface::RF95Interface(RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq, RADIOLIB_PIN_TYPE rst, SPIClass &spi)
: RadioLibInterface(cs, irq, rst, RADIOLIB_NC, spi)
RF95Interface::RF95Interface(RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq, RADIOLIB_PIN_TYPE rst, RADIOLIB_PIN_TYPE busy,
SPIClass &spi)
: RadioLibInterface(cs, irq, rst, busy, spi)
{
// FIXME - we assume devices never get destroyed
}

2
src/mesh/RF95Interface.h
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@ -12,7 +12,7 @@ class RF95Interface : public RadioLibInterface
RadioLibRF95 *lora = NULL; // Either a RFM95 or RFM96 depending on what was stuffed on this board
public:
RF95Interface(RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq, RADIOLIB_PIN_TYPE rst, SPIClass &spi);
RF95Interface(RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq, RADIOLIB_PIN_TYPE rst, RADIOLIB_PIN_TYPE busy, SPIClass &spi);
// TODO: Verify that this irq flag works with RFM95 / SX1276 radios the way it used to
bool isIRQPending() override { return lora->getIRQFlags() & RADIOLIB_SX127X_MASK_IRQ_FLAG_VALID_HEADER; }

7
src/mesh/RadioLibInterface.cpp
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@ -218,8 +218,9 @@ void RadioLibInterface::onNotify(uint32_t notification)
setTransmitDelay(); // currently Rx/Tx-ing: reset random delay
} else {
if (isChannelActive()) { // check if there is currently a LoRa packet on the channel
// LOG_DEBUG("Channel is active: set random delay\n");
setTransmitDelay(); // reset random delay
// LOG_DEBUG("Channel is active, try receiving first.\n");
startReceive(); // try receiving this packet, afterwards we'll be trying to transmit again
setTransmitDelay();
} else {
// Send any outgoing packets we have ready
meshtastic_MeshPacket *txp = txQueue.dequeue();
@ -388,8 +389,6 @@ void RadioLibInterface::startSend(meshtastic_MeshPacket *txp)
LOG_WARN("startSend is dropping tx packet because we are disabled\n");
packetPool.release(txp);
} else {
setStandby(); // Cancel any already in process receives
configHardwareForSend(); // must be after setStandby
size_t numbytes = beginSending(txp);

4
variants/heltec_v1/variant.h
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@ -20,8 +20,8 @@
#ifndef USE_JTAG
#define LORA_RESET 14
#endif
#define LORA_DIO1 35 // Not really used
#define LORA_DIO2 34 // Not really used
#define LORA_DIO1 RADIOLIB_NC
#define LORA_DIO2 32 // Not really used
// ratio of voltage divider = 3.20 (R1=100k, R2=220k)
#define ADC_MULTIPLIER 3.2

2
variants/heltec_v2.1/variant.h
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@ -24,7 +24,7 @@
#ifndef USE_JTAG
#define LORA_RESET 14
#endif
#define LORA_DIO1 35 // Not really used
#define LORA_DIO1 35 // https://www.thethingsnetwork.org/forum/t/big-esp32-sx127x-topic-part-3/18436
#define LORA_DIO2 34 // Not really used
#define ADC_MULTIPLIER 3.8

2
variants/heltec_v2/variant.h
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@ -21,7 +21,7 @@
#ifndef USE_JTAG
#define LORA_RESET 14
#endif
#define LORA_DIO1 35 // Not really used
#define LORA_DIO1 35 // https://www.thethingsnetwork.org/forum/t/big-esp32-sx127x-topic-part-3/18436
#define LORA_DIO2 34 // Not really used
// ratio of voltage divider = 3.20 (R12=100k, R10=220k)

2
variants/tbeam_v07/variant.h
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@ -10,7 +10,7 @@
#define USE_RF95
#define LORA_DIO0 26 // a No connect on the SX1262 module
#define LORA_RESET 23
#define LORA_DIO1 33 // Not really used
#define LORA_DIO1 33
#define LORA_DIO2 32 // Not really used
// This board has different GPS pins than all other boards

4
variants/tlora_v1/variant.h
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@ -15,5 +15,5 @@
#define USE_RF95
#define LORA_DIO0 26 // a No connect on the SX1262 module
#define LORA_RESET 14
#define LORA_DIO1 35 // Not really used
#define LORA_DIO2 34 // Not really used
#define LORA_DIO1 33 // Must be manually wired: https://www.thethingsnetwork.org/forum/t/big-esp32-sx127x-topic-part-3/18436
#define LORA_DIO2 32 // Not really used

4
variants/tlora_v1_3/variant.h
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@ -18,5 +18,5 @@
#define USE_RF95
#define LORA_DIO0 26 // a No connect on the SX1262 module
#define LORA_RESET 14
#define LORA_DIO1 35 // Not really used
#define LORA_DIO2 34 // Not really used
#define LORA_DIO1 33 // Prob. must be manually wired: https://www.thethingsnetwork.org/forum/t/big-esp32-sx127x-topic-part-3/18436
#define LORA_DIO2 32 // Not really used

4
variants/tlora_v2/variant.h
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@ -18,5 +18,5 @@
#define USE_RF95
#define LORA_DIO0 26 // a No connect on the SX1262 module
#define LORA_RESET 14
#define LORA_DIO1 35 // Not really used
#define LORA_DIO2 34 // Not really used
#define LORA_DIO1 33 // Must be manually wired: https://www.thethingsnetwork.org/forum/t/big-esp32-sx127x-topic-part-3/18436
#define LORA_DIO2 32 // Not really used

2
variants/tlora_v2_1_16/variant.h
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@ -18,3 +18,5 @@
#define USE_RF95
#define LORA_DIO0 26 // a No connect on the SX1262 module
#define LORA_RESET 23
#define LORA_DIO1 33 // https://www.thethingsnetwork.org/forum/t/big-esp32-sx127x-topic-part-3/18436
#define LORA_DIO2 32 // Not really used