Add new hardware: Heltec MeshPocket (#6533)

* Add Heltec MeshPocket.

* MeshPocket source code update

* Optimiz code for refresh border during full update.

* Update Heltec MeshPocket json file info.

variants/heltec_mesh_pocket/variant.h

@@ -0,0 +1,135 @@
+#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
+
+// 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 (13) // 13 red (confirmed on 1.0 board)
+#define LED_RED PIN_LED1
+#define LED_BLUE PIN_LED1
+#define LED_GREEN PIN_LED1
+#define LED_BUILTIN LED_BLUE
+#define LED_CONN LED_BLUE
+#define LED_STATE_ON 0 // State when LED is lit
+
+/*
+ * 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 + 7)
+#define PIN_SERIAL2_TX (0 + 8)
+//  #define PIN_SERIAL2_EN (0 + 17)
+
+/**
+    Wire Interfaces
+    */
+#define WIRE_INTERFACES_COUNT 1
+
+#define PIN_WIRE_SDA (32+15)
+#define PIN_WIRE_SCL (32+13)
+
+/*
+ * Lora radio
+ */
+
+#define USE_SX1262
+#define SX126X_CS   (0 + 26) // FIXME - we really should define LORA_CS instead
+#define LORA_CS     (0 + 26)
+#define SX126X_DIO1 (0 + 16)
+// 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 + 15)
+#define SX126X_RESET (0 + 12)
+// 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
+
+// Display (E-Ink)
+#define PIN_EINK_CS   24
+#define PIN_EINK_BUSY 32+6
+#define PIN_EINK_DC   31
+#define PIN_EINK_RES  32+4
+#define PIN_EINK_SCLK 22
+#define PIN_EINK_MOSI 20
+
+
+#define PIN_SPI1_MISO -1
+#define PIN_SPI1_MOSI PIN_EINK_MOSI
+#define PIN_SPI1_SCK PIN_EINK_SCLK
+
+
+/*
+ * GPS pins
+ */
+
+#define PIN_SERIAL1_RX 32+5
+#define PIN_SERIAL1_TX 32+7
+
+/*
+ * SPI Interfaces
+ */
+#define SPI_INTERFACES_COUNT 2
+
+// For LORA, spi 0
+#define PIN_SPI_MISO (32 + 9)
+#define PIN_SPI_MOSI (0 + 5)
+#define PIN_SPI_SCK (0 + 4)
+
+// #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 32+2
+#define ADC_CTRL_ENABLED HIGH
+#define BATTERY_PIN 29
+#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)
+
+#undef  HAS_GPS
+#define HAS_GPS 0
+#define HAS_RTC 0
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif