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Add support for LilyGo T3 with SX1276 module

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- Add custom partition table for fitting larger firmware
- Create LilyGoT3S3Board.h for board-specific functionality
- Update all example files to support the T3 board with SX1276
- Configure build environment for optimizing firmware size
- Set up the right pin configuration for SX1276 on LilyGo T3
This commit is contained in:
Alex Wolden 2025-03-04 00:07:36 -08:00
parent 7b92e045a6
commit e1022791e8
7 changed files with 412 additions and 48 deletions
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46
examples/simple_secure_chat/main.cpp
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@ -62,10 +62,22 @@
#include <helpers/CustomSX1262Wrapper.h>
#include <helpers/CustomSX1268Wrapper.h>
static XiaoC3Board board;
#elif defined(SEEED_XIAO_S3) || defined(LILYGO_T3S3)
#elif defined(SEEED_XIAO_S3)
#include <helpers/ESP32Board.h>
#include <helpers/CustomSX1262Wrapper.h>
static ESP32Board board;
#elif defined(LILYGO_T3)
#include <helpers/ESP32Board.h>
#include <helpers/CustomSX1276Wrapper.h>
static ESP32Board board;
#elif defined(LILYGO_T3S3)
#include <helpers/LilyGoT3S3Board.h>
#if defined(P_LORA_DIO_0) // If P_LORA_DIO_0 is defined, we're using SX1276
#include <helpers/CustomSX1276Wrapper.h>
#else
#include <helpers/CustomSX1262Wrapper.h>
#endif
static LilyGoT3S3Board board;
#elif defined(RAK_4631)
#include <helpers/nrf52/RAK4631Board.h>
#include <helpers/CustomSX1262Wrapper.h>
@ -541,6 +553,9 @@ public:
#if defined(NRF52_PLATFORM)
RADIO_CLASS radio = new Module(P_LORA_NSS, P_LORA_DIO_1, P_LORA_RESET, P_LORA_BUSY, SPI);
#elif defined(LILYGO_T3) || defined(HELTEC_LORA_V2) // ESP32 with SX1276
SPIClass spi;
RADIO_CLASS radio = new Module(P_LORA_NSS, P_LORA_DIO_0, P_LORA_RESET, P_LORA_DIO_1, spi);
#elif defined(P_LORA_SCLK)
SPIClass spi;
RADIO_CLASS radio = new Module(P_LORA_NSS, P_LORA_DIO_1, P_LORA_RESET, P_LORA_BUSY, spi);
@ -559,19 +574,24 @@ void setup() {
Serial.begin(115200);
board.begin();
#ifdef SX126X_DIO3_TCXO_VOLTAGE
float tcxo = SX126X_DIO3_TCXO_VOLTAGE;
#else
float tcxo = 1.6f;
#endif
#if defined(NRF52_PLATFORM)
SPI.setPins(P_LORA_MISO, P_LORA_SCLK, P_LORA_MOSI);
SPI.begin();
#elif defined(P_LORA_SCLK)
spi.begin(P_LORA_SCLK, P_LORA_MISO, P_LORA_MOSI);
#endif
#if defined(LILYGO_T3) || defined(HELTEC_LORA_V2) // ESP32 with SX1276
int status = radio.begin(LORA_FREQ, LORA_BW, LORA_SF, LORA_CR, RADIOLIB_SX127X_SYNC_WORD, LORA_TX_POWER);
#else // SX126X module
#ifdef SX126X_DIO3_TCXO_VOLTAGE
float tcxo = SX126X_DIO3_TCXO_VOLTAGE;
#else
float tcxo = 1.6f;
#endif
int status = radio.begin(LORA_FREQ, LORA_BW, LORA_SF, LORA_CR, RADIOLIB_SX126X_SYNC_WORD_PRIVATE, LORA_TX_POWER, 8, tcxo);
#endif
if (status != RADIOLIB_ERR_NONE) {
Serial.print("ERROR: radio init failed: ");
Serial.println(status);
@ -580,12 +600,14 @@ void setup() {
radio.setCRC(0);
#ifdef SX126X_CURRENT_LIMIT
radio.setCurrentLimit(SX126X_CURRENT_LIMIT);
#endif
#if !defined(LILYGO_T3) && !defined(HELTEC_LORA_V2) // SX126X specific settings
#ifdef SX126X_CURRENT_LIMIT
radio.setCurrentLimit(SX126X_CURRENT_LIMIT);
#endif
#ifdef SX126X_DIO2_AS_RF_SWITCH
radio.setDio2AsRfSwitch(SX126X_DIO2_AS_RF_SWITCH);
#ifdef SX126X_DIO2_AS_RF_SWITCH
radio.setDio2AsRfSwitch(SX126X_DIO2_AS_RF_SWITCH);
#endif
#endif
fast_rng.begin(radio.random(0x7FFFFFFF));