diff --git a/src/helpers/TBeamBoardSX1262.h b/src/helpers/TBeamBoardSX1262.h new file mode 100644 index 00000000..f47df28e --- /dev/null +++ b/src/helpers/TBeamBoardSX1262.h @@ -0,0 +1,79 @@ +#pragma once + + +#include +#include +#include "XPowersLib.h" + +#define XPOWERS_CHIP_AXP192 + +// LoRa radio module pins for TBeam +#define P_LORA_DIO_1 33 // SX1262 IRQ pin +#define P_LORA_NSS 18 +#define P_LORA_RESET 23 +#define P_LORA_BUSY 32 // SX1262 Busy pin +#define P_LORA_SCLK 5 +#define P_LORA_MISO 19 +#define P_LORA_MOSI 27 + +#include "ESP32Board.h" + +#include + +class TBeamBoardSX1262 : public ESP32Board { + XPowersAXP192 power; + +public: + void begin() { + ESP32Board::begin(); + + power.setLDO2Voltage(3300); + power.enableLDO2(); + + power.enableBattVoltageMeasure(); + + pinMode(38, INPUT_PULLUP); + + esp_reset_reason_t reason = esp_reset_reason(); + if (reason == ESP_RST_DEEPSLEEP) { + long wakeup_source = esp_sleep_get_ext1_wakeup_status(); + if (wakeup_source & (1 << P_LORA_DIO_1)) { // received a LoRa packet (while in deep sleep) + startup_reason = BD_STARTUP_RX_PACKET; + } + + rtc_gpio_hold_dis((gpio_num_t)P_LORA_NSS); + rtc_gpio_deinit((gpio_num_t)P_LORA_DIO_1); + } + } + + void enterDeepSleep(uint32_t secs, int pin_wake_btn = -1) { + esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH, ESP_PD_OPTION_ON); + + // Make sure the DIO1 and NSS GPIOs are hold on required levels during deep sleep + rtc_gpio_set_direction((gpio_num_t)P_LORA_DIO_1, RTC_GPIO_MODE_INPUT_ONLY); + rtc_gpio_pulldown_en((gpio_num_t)P_LORA_DIO_1); + + rtc_gpio_hold_en((gpio_num_t)P_LORA_NSS); + + if (pin_wake_btn < 0) { + esp_sleep_enable_ext1_wakeup( (1L << P_LORA_DIO_1), ESP_EXT1_WAKEUP_ANY_HIGH); // wake up on: recv LoRa packet + } else { + esp_sleep_enable_ext1_wakeup( (1L << P_LORA_DIO_1) | (1L << pin_wake_btn), ESP_EXT1_WAKEUP_ANY_HIGH); // wake up on: recv LoRa packet OR wake btn + } + + if (secs > 0) { + esp_sleep_enable_timer_wakeup(secs * 1000000); + } + + // Finally set ESP32 into sleep + esp_deep_sleep_start(); // CPU halts here and never returns! + } + + uint16_t getBattMilliVolts() override { + return power.getBattVoltage(); + } + + const char* getManufacturerName() const override { + return "LilyGo T-Beam SX1262"; + } +}; diff --git a/variants/lilygo_tbeam_SX1262/platformio.ini b/variants/lilygo_tbeam_SX1262/platformio.ini new file mode 100644 index 00000000..83096428 --- /dev/null +++ b/variants/lilygo_tbeam_SX1262/platformio.ini @@ -0,0 +1,68 @@ +[LilyGo_TBeam_SX1262] +extends = esp32_base +board = ttgo-t-beam +build_flags = + ${esp32_base.build_flags} + -I variants/lilygo_tbeam_SX1262 + -D LILYGO_TBEAM_SX1262 + -D SX126X_DIO2_AS_RF_SWITCH=true + -D SX126X_DIO3_TCXO_VOLTAGE=1.8 + -D SX126X_CURRENT_LIMIT=140 + -D SX126X_RX_BOOSTED_GAIN=1 + -D RADIO_CLASS=CustomSX1262 + -D WRAPPER_CLASS=CustomSX1262Wrapper + -D LORA_TX_POWER=22 + -D P_LORA_TX_LED=4 + -D PIN_BOARD_SDA=21 + -D PIN_BOARD_SCL=22 + -D PIN_USER_BTN=38 +build_src_filter = ${esp32_base.build_src_filter} + +<../variants/lilygo_tbeam_SX1262> +board_build.partitions = min_spiffs.csv ; get around 4mb flash limit +lib_deps = + ${esp32_base.lib_deps} + lewisxhe/XPowersLib@^0.2.7 + adafruit/Adafruit SSD1306 @ ^2.5.13 + +[env:Tbeam_SX1262_companion_radio_ble] +extends = LilyGo_TBeam_SX1262 +board_build.upload.maximum_ram_size=2000000 +build_flags = + ${LilyGo_TBeam_SX1262.build_flags} + -D DISPLAY_CLASS=SSD1306Display + -D MAX_CONTACTS=100 + -D MAX_GROUP_CHANNELS=8 + -D BLE_PIN_CODE=123456 +; -D BLE_DEBUG_LOGGING=1 +; -D MESH_PACKET_LOGGING=1 +; -D MESH_DEBUG=1 +; -D RADIOLIB_DEBUG_BASIC=1 +; -D ENABLE_PRIVATE_KEY_IMPORT=1 +; -D ENABLE_PRIVATE_KEY_EXPORT=1 +; -D MESH_PACKET_LOGGING=1 +; -D MESH_DEBUG=1 +build_src_filter = ${LilyGo_TBeam_SX1262.build_src_filter} + + + + + +<../examples/companion_radio> +lib_deps = + ${LilyGo_TBeam_SX1262.lib_deps} + densaugeo/base64 @ ~1.4.0 + +[env:Tbeam_SX1262_repeater] +extends = LilyGo_TBeam_SX1262 +build_flags = + ${LilyGo_TBeam_SX1262.build_flags} + -D DISPLAY_CLASS=SSD1306Display + -D ADVERT_NAME='"Tbeam SX1262 Repeater"' + -D ADVERT_LAT=0.0 + -D ADVERT_LON=0.0 + -D ADMIN_PASSWORD='"password"' +; -D MESH_PACKET_LOGGING=1 +; -D MESH_DEBUG=1 +build_src_filter = ${LilyGo_TBeam_SX1262.build_src_filter} + + + +<../examples/simple_repeater> +lib_deps = + ${LilyGo_TBeam_SX1262.lib_deps} + ${esp32_ota.lib_deps} \ No newline at end of file diff --git a/variants/lilygo_tbeam_SX1262/target.cpp b/variants/lilygo_tbeam_SX1262/target.cpp new file mode 100644 index 00000000..65f64734 --- /dev/null +++ b/variants/lilygo_tbeam_SX1262/target.cpp @@ -0,0 +1,65 @@ +#include +#include "target.h" + +TBeamBoardSX1262 board; + +#if defined(P_LORA_SCLK) + static SPIClass spi; + RADIO_CLASS radio = new Module(P_LORA_NSS, P_LORA_DIO_1, P_LORA_RESET, P_LORA_BUSY, spi); +#else + RADIO_CLASS radio = new Module(P_LORA_NSS, P_LORA_DIO_1, P_LORA_RESET, P_LORA_BUSY); +#endif + +WRAPPER_CLASS radio_driver(radio, board); + +ESP32RTCClock fallback_clock; +AutoDiscoverRTCClock rtc_clock(fallback_clock); + +#ifndef LORA_CR + #define LORA_CR 5 +#endif + +bool radio_init() { + fallback_clock.begin(); + rtc_clock.begin(Wire); + +#ifdef SX126X_DIO3_TCXO_VOLTAGE + float tcxo = SX126X_DIO3_TCXO_VOLTAGE; +#else + float tcxo = 1.6f; +#endif + +#if defined(P_LORA_SCLK) + spi.begin(P_LORA_SCLK, P_LORA_MISO, P_LORA_MOSI); +#endif + int status = radio.begin(LORA_FREQ, LORA_BW, LORA_SF, LORA_CR, RADIOLIB_SX126X_SYNC_WORD_PRIVATE, LORA_TX_POWER, 8, tcxo); + if (status != RADIOLIB_ERR_NONE) { + Serial.print("ERROR: radio init failed: "); + Serial.println(status); + return false; // fail + } + + radio.setCRC(1); + + return true; // success +} + +uint32_t radio_get_rng_seed() { + return radio.random(0x7FFFFFFF); +} + +void radio_set_params(float freq, float bw, uint8_t sf, uint8_t cr) { + radio.setFrequency(freq); + radio.setSpreadingFactor(sf); + radio.setBandwidth(bw); + radio.setCodingRate(cr); +} + +void radio_set_tx_power(uint8_t dbm) { + radio.setOutputPower(dbm); +} + +mesh::LocalIdentity radio_new_identity() { + RadioNoiseListener rng(radio); + return mesh::LocalIdentity(&rng); // create new random identity +} diff --git a/variants/lilygo_tbeam_SX1262/target.h b/variants/lilygo_tbeam_SX1262/target.h new file mode 100644 index 00000000..16234e3c --- /dev/null +++ b/variants/lilygo_tbeam_SX1262/target.h @@ -0,0 +1,18 @@ +#pragma once + +#define RADIOLIB_STATIC_ONLY 1 +#include +#include +#include +#include +#include + +extern TBeamBoardSX1262 board; +extern WRAPPER_CLASS radio_driver; +extern AutoDiscoverRTCClock rtc_clock; + +bool radio_init(); +uint32_t radio_get_rng_seed(); +void radio_set_params(float freq, float bw, uint8_t sf, uint8_t cr); +void radio_set_tx_power(uint8_t dbm); +mesh::LocalIdentity radio_new_identity();