Merge pull request #2522 from liamcottle/board/lilygo-t-impulse-plus

Add support for LilyGo T-Impulse-Plus
This commit is contained in:
Liam Cottle
2026-05-12 01:39:44 +12:00
committed by GitHub
8 changed files with 566 additions and 0 deletions
@@ -0,0 +1,64 @@
{
"build": {
"arduino":{
"ldscript": "nrf52840_s140_v6.ld"
},
"core": "nRF5",
"cpu": "cortex-m4",
"extra_flags": "-DARDUINO_NRF52840_T_IMPULSE_PLUS -DNRF52840_XXAA",
"f_cpu": "64000000L",
"hwids": [
[
"0x239A",
"0x8029"
]
],
"usb_product": "T-Impulse-Plus-nRF52840",
"mcu": "nrf52840",
"variant": "t_impulse_plus_nrf52840",
"bsp": {
"name": "adafruit"
},
"softdevice": {
"sd_flags": "-DS140",
"sd_name": "s140",
"sd_version": "6.1.1",
"sd_fwid": "0x00B6"
},
"bootloader": {
"settings_addr": "0xFF000"
}
},
"connectivity": [
"bluetooth"
],
"debug": {
"jlink_device": "nRF52840_xxAA",
"onboard_tools": [
"jlink"
],
"svd_path": "nrf52840.svd"
},
"frameworks": [
"arduino"
],
"name": "Lilygo T-Impulse-Plus-nRF52840",
"upload": {
"maximum_ram_size": 248832,
"maximum_size": 815104,
"require_upload_port": true,
"speed": 115200,
"protocol": "nrfutil",
"protocols": [
"jlink",
"nrfjprog",
"stlink",
"cmsis-dap",
"blackmagic"
],
"use_1200bps_touch": true,
"wait_for_upload_port": true
},
"url": "https://www.lilygo.cc/",
"vendor": "Lilygo"
}
@@ -0,0 +1,39 @@
#include <Arduino.h>
#include <Wire.h>
#include "TImpulsePlusBoard.h"
void TImpulsePlusBoard::begin() {
NRF52BoardDCDC::begin();
// turn on 3.3v
pinMode(RT9080_EN, OUTPUT);
digitalWrite(RT9080_EN, HIGH);
delay(100);
// init gps pins
pinMode(GPS_EN, OUTPUT);
digitalWrite(GPS_EN, HIGH); // gps off by default
// configure battery measurement
pinMode(BATTERY_ADC_DATA, INPUT);
pinMode(BATTERY_MEASUREMENT_CONTROL, OUTPUT);
digitalWrite(BATTERY_MEASUREMENT_CONTROL, LOW); // turn off battery voltage measurement
// set the analog reference to 3.0V (default = 3.6V)
analogReference(AR_INTERNAL_3_0);
// set the resolution to 12-bit (0..4095)
analogReadResolution(12); // Can be 8, 10, 12 or 14
// configure user button
pinMode(TTP223_KEY, INPUT_PULLDOWN);
#if defined(PIN_WIRE_SDA) && defined(PIN_WIRE_SCL)
Wire.setPins(PIN_WIRE_SDA, PIN_WIRE_SCL);
#endif
Wire.begin();
delay(10); // give sx1262 some time to power up
}
@@ -0,0 +1,59 @@
#pragma once
#include <MeshCore.h>
#include <Arduino.h>
#include <helpers/NRF52Board.h>
class TImpulsePlusBoard : public NRF52BoardDCDC {
protected:
uint8_t btn_prev_state;
public:
TImpulsePlusBoard() : NRF52Board("T-Impulse-Plus OTA") {}
void begin();
#if defined(P_LORA_TX_LED)
void onBeforeTransmit() override {
digitalWrite(P_LORA_TX_LED, HIGH); // turn TX LED on
}
void onAfterTransmit() override {
digitalWrite(P_LORA_TX_LED, LOW); // turn TX LED off
}
#endif
uint16_t getBattMilliVolts() override {
// enable battery voltage measurement
digitalWrite(BATTERY_MEASUREMENT_CONTROL, HIGH);
delay(100);
analogReadResolution(12);
analogReference(AR_INTERNAL);
delay(10);
// read battery voltage
int adcvalue = 0;
analogReadResolution(12);
analogReference(AR_INTERNAL_3_0);
delay(10);
adcvalue = analogRead(BATTERY_ADC_DATA);
// disable battery voltage measurement
digitalWrite(BATTERY_MEASUREMENT_CONTROL, LOW);
return ((adcvalue * ((3000.0 / 4096.0)))) * 2.0;
}
const char* getManufacturerName() const override {
return "LilyGo T-Impulse-Plus";
}
void powerOff() override {
// turn off 3.3v
digitalWrite(RT9080_EN, LOW);
// power off system
sd_power_system_off();
}
};
@@ -0,0 +1,73 @@
[LilyGo_T_Impulse_Plus]
extends = nrf52_base
board = lilygo_t_impulse_plus_nrf52840
board_build.ldscript = boards/nrf52840_s140_v6_extrafs.ld
build_flags = ${nrf52_base.build_flags}
${sensor_base.build_flags}
-I variants/lilygo_t_impulse_plus
-D USE_SX1262
-D RADIO_CLASS=CustomSX1262
-D WRAPPER_CLASS=CustomSX1262Wrapper
-D LORA_TX_POWER=22
-D SX126X_CURRENT_LIMIT=140
-D SX126X_RX_BOOSTED_GAIN=1
-D PIN_USER_BTN=-1
; -D PIN_USER_BTN=TTP223_KEY ; leave button disabled until screen implemented
; -D USER_BTN_PRESSED=HIGH
-D PIN_WIRE_SDA=SCREEN_SDA
-D PIN_WIRE_SCL=SCREEN_SCL
-D ENV_PIN_SDA=IIC_SDA_2 ; firmware hangs without this
-D ENV_PIN_SCL=IIC_SCL_2 ; firmware hangs without this
build_src_filter = ${nrf52_base.build_src_filter}
+<TImpulsePlusBoard.cpp>
+<../variants/lilygo_t_impulse_plus>
+<helpers/ui/SSD1306Display.cpp>
+<helpers/sensors>
lib_deps= ${nrf52_base.lib_deps}
${sensor_base.lib_deps}
adafruit/Adafruit SSD1306 @ ^2.5.13
adafruit/Adafruit GFX Library @ ^1.12.1
[env:LilyGo_T_Impulse_Plus_repeater]
extends = LilyGo_T_Impulse_Plus
build_src_filter = ${LilyGo_T_Impulse_Plus.build_src_filter}
+<../examples/simple_repeater>
build_flags =
${LilyGo_T_Impulse_Plus.build_flags}
-D ADVERT_NAME='"T-Impulse-Plus Repeater"'
-D ADMIN_PASSWORD='"password"'
-D MAX_NEIGHBOURS=50
; -D MESH_PACKET_LOGGING=1
; -D MESH_DEBUG=1
lib_deps = ${LilyGo_T_Impulse_Plus.lib_deps}
adafruit/RTClib @ ^2.1.3
[env:LilyGo_T_Impulse_Plus_companion_radio_ble]
extends = LilyGo_T_Impulse_Plus
; board_build.ldscript = boards/nrf52840_s140_v6_extrafs.ld
; board_upload.maximum_size = 712704
build_flags =
${LilyGo_T_Impulse_Plus.build_flags}
-I src/helpers/ui
-I examples/companion_radio/ui-new
-D DISPLAY_CLASS=SSD1306Display
-D MAX_CONTACTS=350
-D MAX_GROUP_CHANNELS=40
-D QSPIFLASH=1
-D BLE_PIN_CODE=123456
-D OFFLINE_QUEUE_SIZE=256
; -D BLE_DEBUG_LOGGING=1
; -D MESH_PACKET_LOGGING=1
; -D MESH_DEBUG=1
build_src_filter = ${LilyGo_T_Impulse_Plus.build_src_filter}
+<helpers/nrf52/SerialBLEInterface.cpp>
+<../examples/companion_radio/*.cpp>
+<../examples/companion_radio/ui-new/*.cpp>
lib_deps =
${LilyGo_T_Impulse_Plus.lib_deps}
densaugeo/base64 @ ~1.4.0
[env:LilyGo_T_Impulse_Plus_kiss_modem]
extends = LilyGo_T_Impulse_Plus
build_src_filter = ${LilyGo_T_Impulse_Plus.build_src_filter}
+<../examples/kiss_modem/>
+37
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@@ -0,0 +1,37 @@
#include <Arduino.h>
#include "target.h"
#include <helpers/ArduinoHelpers.h>
#include <helpers/sensors/MicroNMEALocationProvider.h>
TImpulsePlusBoard board;
RADIO_CLASS radio = new Module(P_LORA_NSS, P_LORA_DIO_1, P_LORA_RESET, P_LORA_BUSY, SPI);
WRAPPER_CLASS radio_driver(radio, board);
VolatileRTCClock fallback_clock;
AutoDiscoverRTCClock rtc_clock(fallback_clock);
#ifdef ENV_INCLUDE_GPS
MicroNMEALocationProvider nmea = MicroNMEALocationProvider(Serial1, &rtc_clock);
EnvironmentSensorManager sensors = EnvironmentSensorManager(nmea);
#else
EnvironmentSensorManager sensors = EnvironmentSensorManager();
#endif
#ifdef DISPLAY_CLASS
DISPLAY_CLASS display;
MomentaryButton user_btn(PIN_USER_BTN, 1000, true);
#endif
bool radio_init() {
rtc_clock.begin(Wire);
return radio.std_init(&SPI);
}
mesh::LocalIdentity radio_new_identity() {
RadioNoiseListener rng(radio);
return mesh::LocalIdentity(&rng); // create new random identity
}
+27
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@@ -0,0 +1,27 @@
#pragma once
#define RADIOLIB_STATIC_ONLY 1
#include <RadioLib.h>
#include <helpers/radiolib/RadioLibWrappers.h>
#include <TImpulsePlusBoard.h>
#include <helpers/radiolib/CustomSX1262Wrapper.h>
#include <helpers/AutoDiscoverRTCClock.h>
#include <helpers/ArduinoHelpers.h>
#include <helpers/sensors/EnvironmentSensorManager.h>
#ifdef DISPLAY_CLASS
#include <helpers/ui/SSD1306Display.h>
#include <helpers/ui/MomentaryButton.h>
#endif
extern TImpulsePlusBoard board;
extern WRAPPER_CLASS radio_driver;
extern AutoDiscoverRTCClock rtc_clock;
extern EnvironmentSensorManager sensors;
#ifdef DISPLAY_CLASS
extern DISPLAY_CLASS display;
extern MomentaryButton user_btn;
#endif
bool radio_init();
mesh::LocalIdentity radio_new_identity();
@@ -0,0 +1,43 @@
/*
Copyright (c) 2014-2015 Arduino LLC. All right reserved.
Copyright (c) 2016 Sandeep Mistry All right reserved.
Copyright (c) 2018, Adafruit Industries (adafruit.com)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "variant.h"
#include "wiring_constants.h"
#include "wiring_digital.h"
#include "nrf.h"
const uint32_t g_ADigitalPinMap[] =
{
// P0
0 , 1 , 2 , 3 , 4 , 5 , 6 , 7 ,
8 , 9 , 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23,
24, 25, 26, 27, 28, 29, 30, 31,
// P1
32, 33, 34, 35, 36, 37, 38, 39,
40, 41, 42, 43, 44, 45, 46, 47
};
void initVariant()
{
}
+224
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@@ -0,0 +1,224 @@
/*
Copyright (c) 2014-2015 Arduino LLC. All right reserved.
Copyright (c) 2016 Sandeep Mistry All right reserved.
Copyright (c) 2018, Adafruit Industries (adafruit.com)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _VARIANT_T_IMPULSE_PLUS_NRF52840_
#define _VARIANT_T_IMPULSE_PLUS_NRF52840_
/** Master clock frequency */
#define VARIANT_MCK (64000000ul)
#define USE_LFXO // Board uses 32khz crystal for LF
// define USE_LFRC // Board uses RC for LF
/*----------------------------------------------------------------------------
* Headers
*----------------------------------------------------------------------------*/
#include "WVariant.h"
#ifdef __cplusplus
extern "C"
{
#endif // __cplusplus
#define _PINNUM(port, pin) ((port) * 32 + (pin))
// IIC
#define IIC_SDA_1 _PINNUM(1, 8)
#define IIC_SCL_1 _PINNUM(0, 11)
#define IIC_SDA_2 _PINNUM(0, 20)
#define IIC_SCL_2 _PINNUM(0, 15)
// TTP223
#define TTP223_KEY _PINNUM(1, 4)
// SSD1315
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
#define SCREEN_ADDRESS 0x3C
#define SCREEN_RST -1
#define SCREEN_SDA IIC_SDA_2
#define SCREEN_SCL IIC_SCL_2
// Lora S62F(SX1262)
#define SX1262_CS _PINNUM(1, 14)
#define SX1262_RST _PINNUM(0, 2)
#define SX1262_SCLK _PINNUM(0, 3)
#define SX1262_MOSI _PINNUM(0, 28)
#define SX1262_MISO _PINNUM(0, 30)
#define SX1262_BUSY _PINNUM(0, 31)
#define SX1262_INT _PINNUM(0, 29)
#define SX1262_DIO1 _PINNUM(0, 29)
#define SX1262_DIO2 _PINNUM(1, 15)
#define SX1262_RF_VC1 _PINNUM(1, 13)
#define SX1262_RF_VC2 _PINNUM(1, 7)
#define SX126X_TXEN SX1262_RF_VC1
#define SX126X_RXEN SX1262_RF_VC2
#define P_LORA_NSS SX1262_CS
#define P_LORA_DIO_1 SX1262_DIO1
#define P_LORA_RESET SX1262_RST
#define P_LORA_BUSY SX1262_BUSY
#define P_LORA_DIO_0 RADIOLIB_NC
#define P_LORA_DIO_2 SX1262_DIO2
#define P_LORA_SCLK SX1262_SCLK
#define P_LORA_MISO SX1262_MISO
#define P_LORA_MOSI SX1262_MOSI
// RT9080
#define RT9080_EN _PINNUM(0, 14)
// GPS
#define GPS_EN _PINNUM(1, 10)
#define GPS_UART_RX _PINNUM(1, 11)
#define GPS_UART_TX _PINNUM(1, 12)
#define PIN_GPS_RX GPS_UART_TX
#define PIN_GPS_TX GPS_UART_RX
#define PIN_GPS_EN GPS_EN
#define GPS_BAUD_RATE 38400
#define PIN_GPS_EN_ACTIVE LOW
// Battery
#define BATTERY_MEASUREMENT_CONTROL _PINNUM(0, 25)
#define BATTERY_ADC_DATA _PINNUM(0, 5)
// Number of pins defined in PinDescription array
#define PINS_COUNT (48)
#define NUM_DIGITAL_PINS (48)
#define NUM_ANALOG_INPUTS (6)
#define NUM_ANALOG_OUTPUTS (0)
// LEDs
#define PIN_LED1 (_PINNUM(0, 17))
// #define PIN_LED2 (_PINNUM(1, 5))
// #define PIN_LED3 (15)
// #define PIN_LED4 (16)
#define LED_BUILTIN PIN_LED1
// #define LED_CONN PIN_LED2
// #define LED_RED PIN_LED1
#define LED_BLUE PIN_LED1
#define LED_STATE_ON 0 // State when LED is litted
/*
* Buttons
*/
#define PIN_BUTTON1 _PINNUM(0, 24)
// #define PIN_BUTTON2 12
// #define PIN_BUTTON3 24
// #define PIN_BUTTON4 25
/*
* Analog pins
*/
#define PIN_A0 (3)
#define PIN_A1 (4)
#define PIN_A2 (28)
#define PIN_A3 (29)
#define PIN_A4 (30)
#define PIN_A5 (31)
#define PIN_A6 (0xff)
#define PIN_A7 (0xff)
static const uint8_t A0 = PIN_A0 ;
static const uint8_t A1 = PIN_A1 ;
static const uint8_t A2 = PIN_A2 ;
static const uint8_t A3 = PIN_A3 ;
static const uint8_t A4 = PIN_A4 ;
static const uint8_t A5 = PIN_A5 ;
static const uint8_t A6 = PIN_A6 ;
static const uint8_t A7 = PIN_A7 ;
#define ADC_RESOLUTION 14
// Other pins
#define PIN_AREF (2)
#define PIN_NFC1 (9)
#define PIN_NFC2 (10)
static const uint8_t AREF = PIN_AREF;
/*
* Serial interfaces
*/
// Arduino Header D0, D1
#define PIN_SERIAL1_RX (33) // P1.01
#define PIN_SERIAL1_TX (34) // P1.02
// Connected to Jlink CDC
#define PIN_SERIAL2_RX (8)
#define PIN_SERIAL2_TX (6)
/*
* SPI Interfaces
*/
#define SPI_INTERFACES_COUNT 1
#define PIN_SPI_MISO (46)
#define PIN_SPI_MOSI (45)
#define PIN_SPI_SCK (47)
static const uint8_t SS = 44 ;
static const uint8_t MOSI = PIN_SPI_MOSI ;
static const uint8_t MISO = PIN_SPI_MISO ;
static const uint8_t SCK = PIN_SPI_SCK ;
/*
* Wire Interfaces
*/
#define WIRE_INTERFACES_COUNT 2
#define PIN_WIRE_SDA (26)
#define PIN_WIRE_SCL (27)
#define PIN_WIRE1_SDA (26)
#define PIN_WIRE1_SCL (27)
// ZD25WQ32CEIGR SPI
#define ZD25WQ32C_CS _PINNUM(0, 12)
#define ZD25WQ32C_SCLK _PINNUM(0, 4)
#define ZD25WQ32C_MOSI _PINNUM(0, 6)
#define ZD25WQ32C_MISO _PINNUM(1, 9)
#define ZD25WQ32C_IO0 _PINNUM(0, 6)
#define ZD25WQ32C_IO1 _PINNUM(1, 9)
#define ZD25WQ32C_IO2 _PINNUM(0, 8)
#define ZD25WQ32C_IO3 _PINNUM(0, 26)
#define PIN_QSPI_SCK ZD25WQ32C_SCLK
#define PIN_QSPI_CS ZD25WQ32C_CS
#define PIN_QSPI_IO0 ZD25WQ32C_IO0
#define PIN_QSPI_IO1 ZD25WQ32C_IO1
#define PIN_QSPI_IO2 ZD25WQ32C_IO2
#define PIN_QSPI_IO3 ZD25WQ32C_IO3
// On-board QSPI Flash
#define EXTERNAL_FLASH_DEVICES MX25R6435F
#define EXTERNAL_FLASH_USE_QSPI
#ifdef __cplusplus
}
#endif
/*----------------------------------------------------------------------------
* Arduino objects - C++ only
*----------------------------------------------------------------------------*/
#endif