1 files changed, 92 insertions, 0 deletions
diff --git a/arduino/variants/feather_nrf52840_express/variant.cpp b/arduino/variants/feather_nrf52840_express/variant.cpp
new file mode 100755
index 0000000..7d74f4a
--- /dev/null
+++ b/arduino/variants/feather_nrf52840_express/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"
+
+#include "usb.h"
+#include "flash/flash_qspi.h"
+
+const uint32_t g_ADigitalPinMap[] =
+{
+  25,  // D0 is UART TX on P0.25
+  24,  // D1 is UART RX on P0.24 
+  10,  // D2 is on P0.10
+  47,  // D3 is LED1 on P1.15
+  42,  // D4 is LED2 on P1.10
+  40,  // D5 on P1.08
+  7,   // D6 on P0.07 
+  34,  // D7 is Button on P1.02
+  16,  // D8 is NeoPixel on P0.16
+  26,  // D9 on P0.26
+  27,  // D10 on P0.27 
+  6,   // D11 on P.06 
+  8,   // D12 on P0.08
+  41,  // D13 on P1.09 
+
+  4,   // D14 is A0 on P0.04
+  5,   // D15 is A1 on P0.05
+  30,  // D16 is A2 on P0.30
+  28,  // D17 is A3 on P0.28
+  2,   // D18 is A4 on P0.02
+  3,   // D19 is A5 on P0.03
+  29,  // D20 is A6 (Battery) on P0.29
+  31,  // D21 is A7 (ARef) on P0.31
+
+  12,  // D22 is SDA on P0.12
+  11,  // D23 is SCL on P0.11
+
+  15,  // D24 is SPI MISO on P0.15 
+  13,  // D25 is SPI MOSI on P0.13 
+  14,  // D26 is SPI SCK on P0.14 
+
+  19,  // D27 is QSPI CLK on P0.19
+  20,  // D28 is QSPI CS on P0.20
+  17,  // D29 is QSPI Data 0 on P0.17
+  22,  // D30 is QSPI Data 1 on P0.22
+  23,  // D31 is QSPI Data 2 on P0.23
+  21,  // D32 is QSPI Data 3 on P0.21
+
+  // P1
+  33, 34, 35, 36, 37, 38, 39,
+  40, 41, 42, 43, 44, 45, 46, 47
+};
+
+void initVariant()
+{
+  // LED1 & LED2
+  pinMode(PIN_LED1, OUTPUT);
+  ledOff(PIN_LED1);
+
+  pinMode(PIN_LED2, OUTPUT);
+  ledOff(PIN_LED2);
+
+#if 0 // disable QSPI flash for now
+  // Init External Flash
+  flash_qspi_init();
+#endif
+
+
+  // USB init
+  usb_init();
+}
+