nRF52840: Migrate variants to new structure (#7396)

variants/nrf52840/heltec_mesh_node_t114-inkhud/variant.h

@@ -0,0 +1,175 @@
+// Unlike many other InkHUD variants, this environment does require its own variant.h file
+// This is because the default T114 variant maps SPI1 pins to the optional TFT display, and those pins are not broken out
+
+#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
+
+// 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
+
+/*
+ * 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
+
+/*
+ * E-Ink DIY
+ */
+#define PIN_EINK_MOSI (0 + 8) // also called SDA
+#define PIN_EINK_SCLK (0 + 7)
+#define PIN_EINK_CS (32 + 12)
+#define PIN_EINK_DC (32 + 14)
+#define PIN_EINK_RES (0 + 5)
+#define PIN_EINK_BUSY (32 + 15)
+
+/*
+ * 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_SPI1_MISO -1
+#define PIN_SPI1_MOSI PIN_EINK_MOSI
+#define PIN_SPI1_SCK PIN_EINK_SCLK
+
+// #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