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Merge pull request #1106 from oltaco/keepteen-lt1

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Add support for Keepteen LT1
This commit is contained in:
ripplebiz
2025-11-17 13:50:16 +11:00
committed by GitHub
parent 838e83b3b5 bc2256f232
commit caf421b591
8 changed files with 483 additions and 0 deletions
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79
boards/keepteen_lt1.json Normal file
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{
"build": {
"arduino":{
"ldscript": "nrf52840_s140_v6.ld"
},
"core": "nRF5",
"cpu": "cortex-m4",
"extra_flags": "-DARDUINO_NRF52840_FEATHER -DNRF52840_XXAA",
"f_cpu": "64000000L",
"hwids": [
[
"0x239A",
"0x00B3"
],
[
"0x239A",
"0x8029"
],
[
"0x239A",
"0x0029"
],
[
"0x239A",
"0x002A"
],
[
"0x239A",
"0x802A"
]
],
"usb_product": "Keepteen LT1",
"mcu": "nrf52840",
"variant": "Keepteen LT1",
"variants_dir": "variants",
"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",
"svd_path": "nrf52840.svd",
"openocd_target": "nrf52.cfg"
},
"frameworks": [
"arduino",
"zephyr"
],
"name": "Keepteen LT1",
"upload": {
"maximum_ram_size": 248832,
"maximum_size": 815104,
"speed": 115200,
"protocol": "nrfutil",
"protocols": [
"jlink",
"nrfjprog",
"nrfutil",
"stlink"
],
"use_1200bps_touch": true,
"require_upload_port": true,
"wait_for_upload_port": true
},
"url": "http://www.keepteen.com/",
"vendor": "Keepteen"
}

75
variants/keepteen_lt1/KeepteenLT1Board.cpp Normal file
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#include <Arduino.h>
#include "KeepteenLT1Board.h"
#include <bluefruit.h>
#include <Wire.h>
static BLEDfu bledfu;
void KeepteenLT1Board::begin() {
// for future use, sub-classes SHOULD call this from their begin()
startup_reason = BD_STARTUP_NORMAL;
btn_prev_state = HIGH;
pinMode(PIN_VBAT_READ, INPUT);
#if defined(PIN_BOARD_SDA) && defined(PIN_BOARD_SCL)
Wire.setPins(PIN_BOARD_SDA, PIN_BOARD_SCL);
#endif
Wire.begin();
}
static void connect_callback(uint16_t conn_handle) {
(void)conn_handle;
MESH_DEBUG_PRINTLN("BLE client connected");
}
static void disconnect_callback(uint16_t conn_handle, uint8_t reason) {
(void)conn_handle;
(void)reason;
MESH_DEBUG_PRINTLN("BLE client disconnected");
}
bool KeepteenLT1Board::startOTAUpdate(const char* id, char reply[]) {
// Config the peripheral connection with maximum bandwidth
// more SRAM required by SoftDevice
// Note: All config***() function must be called before begin()
Bluefruit.configPrphBandwidth(BANDWIDTH_MAX);
Bluefruit.configPrphConn(92, BLE_GAP_EVENT_LENGTH_MIN, 16, 16);
Bluefruit.begin(1, 0);
// Set max power. Accepted values are: -40, -30, -20, -16, -12, -8, -4, 0, 4
Bluefruit.setTxPower(4);
// Set the BLE device name
Bluefruit.setName("KeepteenLT1_OTA");
Bluefruit.Periph.setConnectCallback(connect_callback);
Bluefruit.Periph.setDisconnectCallback(disconnect_callback);
// To be consistent OTA DFU should be added first if it exists
bledfu.begin();
// Set up and start advertising
// Advertising packet
Bluefruit.Advertising.addFlags(BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE);
Bluefruit.Advertising.addTxPower();
Bluefruit.Advertising.addName();
/* Start Advertising
- Enable auto advertising if disconnected
- Interval: fast mode = 20 ms, slow mode = 152.5 ms
- Timeout for fast mode is 30 seconds
- Start(timeout) with timeout = 0 will advertise forever (until connected)
For recommended advertising interval
https://developer.apple.com/library/content/qa/qa1931/_index.html
*/
Bluefruit.Advertising.restartOnDisconnect(true);
Bluefruit.Advertising.setInterval(32, 244); // in unit of 0.625 ms
Bluefruit.Advertising.setFastTimeout(30); // number of seconds in fast mode
Bluefruit.Advertising.start(0); // 0 = Don't stop advertising after n seconds
strcpy(reply, "OK - started");
return true;
}

51
variants/keepteen_lt1/KeepteenLT1Board.h Normal file
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#pragma once
#include <MeshCore.h>
#include <Arduino.h>
class KeepteenLT1Board : public mesh::MainBoard {
protected:
uint8_t startup_reason;
uint8_t btn_prev_state;
public:
void begin();
uint8_t getStartupReason() const override { return startup_reason; }
#define BATTERY_SAMPLES 8
uint16_t getBattMilliVolts() override {
analogReadResolution(12);
uint32_t raw = 0;
for (int i = 0; i < BATTERY_SAMPLES; i++) {
raw += analogRead(PIN_VBAT_READ);
}
raw = raw / BATTERY_SAMPLES;
return (ADC_MULTIPLIER * raw);
}
const char* getManufacturerName() const override {
return "Keepteen LT1";
}
#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
void reboot() override {
NVIC_SystemReset();
}
void powerOff() override {
sd_power_system_off();
}
bool startOTAUpdate(const char* id, char reply[]) override;
};

101
variants/keepteen_lt1/platformio.ini Normal file
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[KeepteenLT1]
extends = nrf52_base
board = keepteen_lt1
build_flags = ${nrf52_base.build_flags}
-I variants/keepteen_lt1
-D KEEPTEEN_LT1
-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_BOARD_SDA=34
-D PIN_BOARD_SCL=36
-D ENV_INCLUDE_GPS=1
build_src_filter = ${nrf52_base.build_src_filter}
+<helpers/sensors>
+<../variants/keepteen_lt1>
lib_deps= ${nrf52_base.lib_deps}
adafruit/Adafruit SSD1306 @ ^2.5.13
stevemarple/MicroNMEA @ ^2.0.6
[env:KeepteenLT1_repeater]
extends = KeepteenLT1
build_src_filter = ${KeepteenLT1.build_src_filter}
+<../examples/simple_repeater>
+<helpers/ui/SSD1306Display.cpp>
+<helpers/ui/MomentaryButton.cpp>
build_flags =
${KeepteenLT1.build_flags}
-D ADVERT_NAME='"KeepteenLT1 Repeater"'
-D ADVERT_LAT=0.0
-D ADVERT_LON=0.0
-D ADMIN_PASSWORD='"password"'
-D MAX_NEIGHBOURS=50
-D DISPLAY_CLASS=SSD1306Display
; -D MESH_PACKET_LOGGING=1
; -D MESH_DEBUG=1
lib_deps = ${KeepteenLT1.lib_deps}
adafruit/RTClib @ ^2.1.3
[env:KeepteenLT1_room_server]
extends = KeepteenLT1
build_src_filter = ${KeepteenLT1.build_src_filter}
+<../examples/simple_room_server>
+<helpers/ui/SSD1306Display.cpp>
+<helpers/ui/MomentaryButton.cpp>
build_flags = ${KeepteenLT1.build_flags}
-D ADVERT_NAME='"KeepteenLT1 Room"'
-D ADVERT_LAT=0.0
-D ADVERT_LON=0.0
-D ADMIN_PASSWORD='"password"'
-D ROOM_PASSWORD='"hello"'
-D DISPLAY_CLASS=SSD1306Display
; -D MESH_PACKET_LOGGING=1
; -D MESH_DEBUG=1
lib_deps = ${KeepteenLT1.lib_deps}
adafruit/RTClib @ ^2.1.3
[env:KeepteenLT1_companion_radio_usb]
extends = KeepteenLT1
board_build.ldscript = boards/nrf52840_s140_v6_extrafs.ld
board_upload.maximum_size = 712704
build_flags = ${KeepteenLT1.build_flags}
-I examples/companion_radio/ui-new
-D MAX_CONTACTS=350
-D MAX_GROUP_CHANNELS=40
-D DISPLAY_CLASS=SSD1306Display
; NOTE: DO NOT ENABLE --> -D MESH_PACKET_LOGGING=1
; NOTE: DO NOT ENABLE --> -D MESH_DEBUG=1
build_src_filter = ${KeepteenLT1.build_src_filter}
+<helpers/ui/SSD1306Display.cpp>
+<helpers/ui/MomentaryButton.cpp>
+<../examples/companion_radio/*.cpp>
+<../examples/companion_radio/ui-new/*.cpp>
lib_deps = ${KeepteenLT1.lib_deps}
adafruit/RTClib @ ^2.1.3
densaugeo/base64 @ ~1.4.0
[env:KeepteenLT1_companion_radio_ble]
extends = KeepteenLT1
board_build.ldscript = boards/nrf52840_s140_v6_extrafs.ld
board_upload.maximum_size = 712704
build_flags = ${KeepteenLT1.build_flags}
-I examples/companion_radio/ui-new
-D MAX_CONTACTS=350
-D MAX_GROUP_CHANNELS=40
-D BLE_PIN_CODE=123456
-D BLE_DEBUG_LOGGING=1
-D OFFLINE_QUEUE_SIZE=256
-D DISPLAY_CLASS=SSD1306Display
; -D MESH_PACKET_LOGGING=1
-D MESH_DEBUG=1
build_src_filter = ${KeepteenLT1.build_src_filter}
+<helpers/nrf52/SerialBLEInterface.cpp>
+<helpers/ui/SSD1306Display.cpp>
+<helpers/ui/MomentaryButton.cpp>
+<../examples/companion_radio/*.cpp>
+<../examples/companion_radio/ui-new/*.cpp>
lib_deps = ${KeepteenLT1.lib_deps}
adafruit/RTClib @ ^2.1.3
densaugeo/base64 @ ~1.4.0

51
variants/keepteen_lt1/target.cpp Normal file
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#include <Arduino.h>
#include "target.h"
#include <helpers/ArduinoHelpers.h>
KeepteenLT1Board 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);
#if ENV_INCLUDE_GPS
#include <helpers/sensors/MicroNMEALocationProvider.h>
MicroNMEALocationProvider nmea = MicroNMEALocationProvider(Serial1);
EnvironmentSensorManager sensors = EnvironmentSensorManager(nmea);
#else
EnvironmentSensorManager sensors;
#endif
#ifdef DISPLAY_CLASS
DISPLAY_CLASS display;
MomentaryButton user_btn(PIN_USER_BTN, 1000, true, true);
#endif
bool radio_init() {
rtc_clock.begin(Wire);
return radio.std_init(&SPI);
}
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
}

30
variants/keepteen_lt1/target.h Normal file
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#pragma once
#define RADIOLIB_STATIC_ONLY 1
#include <RadioLib.h>
#include <helpers/radiolib/RadioLibWrappers.h>
#include <KeepteenLT1Board.h>
#include <helpers/radiolib/CustomSX1262Wrapper.h>
#include <helpers/AutoDiscoverRTCClock.h>
#ifdef DISPLAY_CLASS
#include <helpers/ui/SSD1306Display.h>
#include <helpers/ui/MomentaryButton.h>
#endif
#include <helpers/sensors/EnvironmentSensorManager.h>
extern KeepteenLT1Board 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();
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();

22
variants/keepteen_lt1/variant.cpp Normal file
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#include "variant.h"
#include "wiring_constants.h"
#include "wiring_digital.h"
const uint32_t g_ADigitalPinMap[] = {
0xff, 0xff, 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, 32, 33, 34, 35, 36, 37, 38, 39,
40, 41, 42, 43, 44, 45, 46, 47
};
void initVariant()
{
// set LED pin as output and set it low for off
pinMode(PIN_LED, OUTPUT);
digitalWrite(PIN_LED, LOW);
// set INPUT_PULLUP for user button
pinMode(PIN_USER_BTN, INPUT_PULLUP);
}

74
variants/keepteen_lt1/variant.h Normal file
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#ifndef _KEEPTEEN_LT1_H_
#define _KEEPTEEN_LT1_H_
/** Master clock frequency */
#define VARIANT_MCK (64000000ul)
#define USE_LFRC
/*----------------------------------------------------------------------------
* Headers
*----------------------------------------------------------------------------*/
#include "WVariant.h"
#define PINS_COUNT (48)
#define NUM_DIGITAL_PINS (48)
#define NUM_ANALOG_INPUTS (1)
#define NUM_ANALOG_OUTPUTS (0)
// LEDs
#define PIN_LED (15) // Blue LED
#define PIN_LED2 (13) // Maybe red power LED?
#define LED_BLUE (-1) // Disable annoying flashing caused by Bluefruit
#define LED_BUILTIN PIN_LED
#define P_LORA_TX_LED PIN_LED
#define LED_STATE_ON 1
// Buttons
#define PIN_BUTTON1 (32) // Menu / User Button
#define PIN_USER_BTN PIN_BUTTON1
// Analog pins
#define PIN_VBAT_READ (31)
#define AREF_VOLTAGE (3.6F)
#define ADC_MULTIPLIER (1.535F)
#define ADC_RESOLUTION (12)
// Serial interfaces
#define PIN_SERIAL1_RX (22)
#define PIN_SERIAL1_TX (20)
// SPI Interfaces
#define SPI_INTERFACES_COUNT (1)
#define PIN_SPI_MISO (2)
#define PIN_SPI_MOSI (38)
#define PIN_SPI_SCK (43)
// Lora Pins
#define P_LORA_BUSY (29)
#define P_LORA_MISO PIN_SPI_MISO
#define P_LORA_MOSI PIN_SPI_MOSI
#define P_LORA_NSS (45)
#define P_LORA_SCLK PIN_SPI_SCK
#define P_LORA_DIO_1 (10)
#define P_LORA_RESET (9)
#define SX126X_RXEN RADIOLIB_NC
#define SX126X_TXEN RADIOLIB_NC
#define SX126X_DIO2_AS_RF_SWITCH true
#define SX126X_DIO3_TCXO_VOLTAGE (1.8f)
// Wire Interfaces
#define WIRE_INTERFACES_COUNT (1)
#define PIN_WIRE_SDA (34)
#define PIN_WIRE_SCL (36)
#define I2C_NO_RESCAN
// GPS L76KB
#define GPS_BAUDRATE 9600
#define PIN_GPS_TX PIN_SERIAL1_RX
#define PIN_GPS_RX PIN_SERIAL1_TX
#define PIN_GPS_EN (24)
#endif // _KEEPTEEN_LT1_H_