Add Heltec Mesh Node T114 No Screen board definition

platformio.ini

@@ -38,6 +38,7 @@ default_envs = tbeam
 ;default_envs = heltec_vision_master_e213
 ;default_envs = heltec_vision_master_e290
 ;default_envs = heltec_mesh_node_t114
+;default_envs = heltec_mesh_node_t114_noscreen
 extra_configs =
 	arch/*/*.ini
 	variants/*/platformio.ini

variants/heltec_mesh_node_t114_noscreen/platformio.ini

@@ -0,0 +1,17 @@
+; First prototype nrf52840/sx1262 device
+[env:heltec-mesh-node-t114-noscreen]
+extends = nrf52840_base
+board = heltec_mesh_node_t114
+debug_tool = jlink
+
+# add -DCFG_SYSVIEW if you want to use the Segger systemview tool for OS profiling.
+build_flags = ${nrf52840_base.build_flags} -Ivariants/heltec_mesh_node_t114_noscreen
+        -L "${platformio.libdeps_dir}/${this.__env__}/bsec2/src/cortex-m4/fpv4-sp-d16-hard"
+        -DGPS_POWER_TOGGLE
+        -DHELTEC_T114_NOSCREEN
+
+build_src_filter = ${nrf52_base.build_src_filter} +<../variants/heltec_mesh_node_t114_noscreen> 
+lib_deps = 
+  ${nrf52840_base.lib_deps}
+  lewisxhe/PCF8563_Library@^1.0.1
+  https://github.com/meshtastic/st7789#bd33ea58ddfe4a5e4a66d53300ccbd38d66ac21f

variants/heltec_mesh_node_t114_noscreen/variant.cpp

@@ -0,0 +1,38 @@
+/*
+  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 "nrf.h"
+#include "wiring_constants.h"
+#include "wiring_digital.h"
+
+const uint32_t g_ADigitalPinMap[] = {
+    // P0 - pins 0 and 1 are hardwired for xtal and should never be enabled
+    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,
+
+    // P1
+    32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47};
+
+void initVariant()
+{
+    // LED1
+    pinMode(PIN_LED1, OUTPUT);
+    ledOff(PIN_LED1);
+}

variants/heltec_mesh_node_t114_noscreen/variant.h

@@ -0,0 +1,213 @@
+/*
+ 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_HELTEC_NRF_
+#define _VARIANT_HELTEC_NRF_
+/** Master clock frequency */
+#define VARIANT_MCK (64000000ul)
+
+#define USE_LFXO // Board uses 32khz crystal for LF
+
+/*----------------------------------------------------------------------------
+ *        Headers
+ *----------------------------------------------------------------------------*/
+
+#include "WVariant.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+#define HELTEC_MESH_NODE_T114
+
+#define ST7789_NSS 11
+#define ST7789_RS 12  // DC
+#define ST7789_SDA 41 // MOSI
+#define ST7789_SCK 40
+#define ST7789_RESET 2
+#define ST7789_MISO -1
+#define ST7789_BUSY -1
+#define VTFT_CTRL 3
+#define VTFT_LEDA 15
+// #define ST7789_BL (32+6)
+#define TFT_BACKLIGHT_ON LOW
+#define ST7789_SPI_HOST SPI1_HOST
+// #define TFT_BL (32+6)
+#define SPI_FREQUENCY 40000000
+#define SPI_READ_FREQUENCY 16000000
+#define TFT_HEIGHT 135
+#define TFT_WIDTH 240
+#define TFT_OFFSET_X 0
+#define TFT_OFFSET_Y 0
+
+// Number of pins defined in PinDescription array
+#define PINS_COUNT (48)
+#define NUM_DIGITAL_PINS (48)
+#define NUM_ANALOG_INPUTS (1)
+#define NUM_ANALOG_OUTPUTS (0)
+
+// LEDs
+#define PIN_LED1 (32 + 3) // green (confirmed on 1.0 board)
+#define LED_BLUE PIN_LED1 // fake for bluefruit library
+#define LED_GREEN PIN_LED1
+#define LED_BUILTIN LED_GREEN
+#define LED_STATE_ON 0 // State when LED is lit
+
+#define HAS_NEOPIXEL                         // Enable the use of neopixels
+#define NEOPIXEL_COUNT 2                     // How many neopixels are connected
+#define NEOPIXEL_DATA 14                     // gpio pin used to send data to the neopixels
+#define NEOPIXEL_TYPE (NEO_GRB + NEO_KHZ800) // type of neopixels in use
+
+/*
+ * Buttons
+ */
+#define PIN_BUTTON1 (32 + 10)
+// #define PIN_BUTTON2 (0 + 18)      // 0.18 is labeled on the board as RESET but we configure it in the bootloader as a regular
+// GPIO
+
+/*
+No longer populated on PCB
+*/
+#define PIN_SERIAL2_RX (0 + 9)
+#define PIN_SERIAL2_TX (0 + 10)
+//  #define PIN_SERIAL2_EN (0 + 17)
+
+/*
+ * I2C
+ */
+
+#define WIRE_INTERFACES_COUNT 2
+
+// I2C bus 0
+// Routed to footprint for PCF8563TS RTC
+// Not populated on T114 V1, maybe in future?
+#define PIN_WIRE_SDA (0 + 26) // P0.26
+#define PIN_WIRE_SCL (0 + 27) // P0.27
+
+// I2C bus 1
+// Available on header pins, for general use
+#define PIN_WIRE1_SDA (0 + 16) // P0.16
+#define PIN_WIRE1_SCL (0 + 13) // P0.13
+
+// QSPI Pins
+#define PIN_QSPI_SCK (32 + 14)
+#define PIN_QSPI_CS (32 + 15)
+#define PIN_QSPI_IO0 (32 + 12) // MOSI if using two bit interface
+#define PIN_QSPI_IO1 (32 + 13) // MISO if using two bit interface
+#define PIN_QSPI_IO2 (0 + 7)   // WP if using two bit interface (i.e. not used)
+#define PIN_QSPI_IO3 (0 + 5)   // HOLD if using two bit interface (i.e. not used)
+
+// On-board QSPI Flash
+#define EXTERNAL_FLASH_DEVICES MX25R1635F
+#define EXTERNAL_FLASH_USE_QSPI
+
+/*
+ * Lora radio
+ */
+
+#define USE_SX1262
+// #define USE_SX1268
+#define SX126X_CS (0 + 24) // FIXME - we really should define LORA_CS instead
+#define LORA_CS (0 + 24)
+#define SX126X_DIO1 (0 + 20)
+// Note DIO2 is attached internally to the module to an analog switch for TX/RX switching
+// #define SX1262_DIO3 (0 + 21)
+// This is used as an *output* from the sx1262 and connected internally to power the tcxo, do not drive from the
+//    main
+// CPU?
+#define SX126X_BUSY (0 + 17)
+#define SX126X_RESET (0 + 25)
+// Not really an E22 but TTGO seems to be trying to clone that
+#define SX126X_DIO2_AS_RF_SWITCH
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8
+
+#define PIN_SPI1_MISO                                                                                                            \
+    ST7789_MISO // FIXME not really needed, but for now the SPI code requires something to be defined, pick an used GPIO
+#define PIN_SPI1_MOSI ST7789_SDA
+#define PIN_SPI1_SCK ST7789_SCK
+
+/*
+ * GPS pins
+ */
+
+#define GPS_L76K
+
+// #define PIN_GPS_RESET (32 + 6) // An output to reset L76K GPS. As per datasheet, low for > 100ms will reset the L76K
+#define GPS_RESET_MODE LOW
+// #define PIN_GPS_EN (21)
+#define VEXT_ENABLE (0 + 21)
+#define PERIPHERAL_WARMUP_MS 1000 // Make sure I2C QuickLink has stable power before continuing
+#define VEXT_ON_VALUE HIGH
+// #define GPS_EN_ACTIVE HIGH
+#define PIN_GPS_STANDBY (32 + 2) // An output to wake GPS, low means allow sleep, high means force wake
+#define PIN_GPS_PPS (32 + 4)
+// Seems to be missing on this new board
+// #define PIN_GPS_PPS (32 + 4)  // Pulse per second input from the GPS
+#define GPS_TX_PIN (32 + 5) // This is for bits going TOWARDS the CPU
+#define GPS_RX_PIN (32 + 7) // This is for bits going TOWARDS the GPS
+
+#define GPS_THREAD_INTERVAL 50
+
+#define PIN_SERIAL1_RX GPS_TX_PIN
+#define PIN_SERIAL1_TX GPS_RX_PIN
+
+// PCF8563 RTC Module
+#define PCF8563_RTC 0x51
+
+/*
+ * SPI Interfaces
+ */
+#define SPI_INTERFACES_COUNT 2
+
+// For LORA, spi 0
+#define PIN_SPI_MISO (0 + 23)
+#define PIN_SPI_MOSI (0 + 22)
+#define PIN_SPI_SCK (0 + 19)
+
+// #define PIN_PWR_EN (0 + 6)
+
+// To debug via the segger JLINK console rather than the CDC-ACM serial device
+// #define USE_SEGGER
+
+// Battery
+// The battery sense is hooked to pin A0 (4)
+// it is defined in the anlaolgue pin section of this file
+// and has 12 bit resolution
+
+#define ADC_CTRL 6
+#define ADC_CTRL_ENABLED HIGH
+#define BATTERY_PIN 4
+#define ADC_RESOLUTION 14
+
+#define BATTERY_SENSE_RESOLUTION_BITS 12
+#define BATTERY_SENSE_RESOLUTION 4096.0
+#undef AREF_VOLTAGE
+#define AREF_VOLTAGE 3.0
+#define VBAT_AR_INTERNAL AR_INTERNAL_3_0
+#define ADC_MULTIPLIER (4.90F)
+
+#define HAS_RTC 0
+#ifdef __cplusplus
+}
+#endif
+
+/*----------------------------------------------------------------------------
+ *        Arduino objects - C++ only
+ *----------------------------------------------------------------------------*/
+
+#endif