Support for muzi works R1 Neo device.

Support for R1 Neo hardware. New variant and baseboard class.
* Known issues:
  - power management is not currently supported
  - power off via long button press is not implemented

Add support for Epson Seiko RX8130CE I2C Real-time clock.

variants/muziworks_r1_neo/variant.cpp

@@ -0,0 +1,92 @@
+/*
+  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,  // P0.00 (NC) (XTAL)
+  1,  // P0.01 (NC) (XTAL)
+  2,  // P0.02 (30) GPS_PPS
+  3,  // P0.03 (29) BUZZER_DRIVE
+  4,  // P0.04 (41) NC
+  5,  // P0.05 (40) NC
+  6,  // P0.06 (NC) NOT_PRESENT
+  7,  // P0.07 (NC) (TRACECLK)
+  8,  // P0.08 (NC) NOT_PRESENT
+  9,  // P0.09 (13) NC
+  10, // P0.10 (12) NC
+  11, // P0.11 (NC) NOT_PRESENT
+  12, // P0.12 (NC) NOT_PRESENT
+  13, // P0.13 (04) DCDC_EN_MCU_HOLD
+  14, // P0.14 (05) NC
+  15, // P0.15 (06) NC
+  16, // P0.16 (07) NC
+  17, // P0.17 (08) NC
+  18, // P0.18 (17) !RESET
+  19, // P0.19 (09) RTC_SDA
+  20, // P0.20 (10) RTC_SCL
+  21, // P0.21 (11) NC
+  22, // P0.22 (NC) NOT_PRESENT
+  23, // P0.23 (NC) NOT_PRESENT
+  24, // P0.24 (23) UART_GPS_RX
+  25, // P0.25 (24) UART_GPS_TX
+  26, // P0.26 (26) BTN_OK/USR_BTN_PROCESSED
+  27, // P0.27 (NC) NOT_PRESENT
+  28, // P0.28 (31) BLU_LED_RAK
+  29, // P0.29 (32) SOFT_SHUTDOWN_SIGNAL
+  30, // P0.30 (33) MCU_SIGNAL
+  31, // P0.31 (39) ADC_VBAT
+
+  // P1
+  32, // P1.00 (NC) NOT_PRESENT
+  33, // P1.01 (25) GPS_EN
+  34, // P1.02 (26) BAT_CHG_STATUS
+  35, // P1.03 (27) NC
+  36, // P1.04 (28) GRN_LED_RAK
+  37, // P1.05 (SX) SX126X_POWER_EN
+  38, // P1.06 (SX) P_LORA_RESET
+  39, // P1.07 (NC) NOT_PRESENT
+  40, // P1.08 (NC) NOT_PRESENT
+  41, // P1.09 (NC) NOT_PRESENT
+  42, // P1.10 (SX) P_LORA_NSS
+  43, // P1.11 (SX) P_LORA_SCLK
+  44, // P1.12 (SX) P_LORA_MOSI
+  45, // P1.13 (SX) P_LORA_MISO
+  46, // P1.14 (SX) P_LORA_BUSY
+  47  // P1.15 (SX) P_LORA_DIO_1
+};
+
+
+void initVariant()
+{
+  // Red & Green LEDs - enable & turn off
+  pinMode(LED_GREEN, OUTPUT);
+  ledOff(LED_GREEN);
+
+  pinMode(LED_BLUE, OUTPUT);
+  ledOff(LED_BLUE);
+
+  pinMode(PIN_GPS_EN, OUTPUT);
+}