added basic code

1 files changed, 147 insertions, 0 deletions

diff --git a/arduino/variants/metro_nrf52840_express/variant.h b/arduino/variants/metro_nrf52840_express/variant.h
new file mode 100755
index 0000000..89bafdb
--- /dev/null
+++ b/arduino/variants/metro_nrf52840_express/variant.h
@@ -0,0 +1,147 @@
+ /*
+  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_METRO52840
+#define _VARIANT_METRO52840
+
+/** Master clock frequency */
+#define VARIANT_MCK       (64000000ul)
+
+#define USE_LFXO      // Board uses 32khz crystal for LF
+// define USE_LFRC    // Board uses RC 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    (6)
+#define NUM_ANALOG_OUTPUTS   (0)
+
+// LEDs
+#define PIN_LED1             (33)
+#define PIN_LED2             (34)
+#define PIN_NEOPIXEL         (35)
+
+#define LED_BUILTIN          PIN_LED1
+#define LED_CONN             PIN_LED2
+
+#define LED_RED              PIN_LED1
+#define LED_BLUE             PIN_LED2
+
+#define LED_STATE_ON         1         // State when LED is litted
+
+// Buttons
+/*
+#define PIN_BUTTON1             (2)
+#define PIN_BUTTON2             (3)
+#define PIN_BUTTON3             (4)
+#define PIN_BUTTON4             (5)
+*/
+
+/*
+ * Analog pins
+ */
+#define PIN_A0               (14)
+#define PIN_A1               (15)
+#define PIN_A2               (16)
+#define PIN_A3               (17)
+#define PIN_A4               (18)
+#define PIN_A5               (19)
+#define PIN_A6               (20)
+#define PIN_A7               (21)
+
+static const uint8_t A0  = PIN_A0 ;
+static const uint8_t A1  = PIN_A1 ;
+static const uint8_t A2  = PIN_A2 ;
+static const uint8_t A3  = PIN_A3 ;
+static const uint8_t A4  = PIN_A4 ;
+static const uint8_t A5  = PIN_A5 ;
+static const uint8_t A6  = PIN_A6 ;
+static const uint8_t A7  = PIN_A7 ;
+#define ADC_RESOLUTION    14
+
+// Other pins
+#define PIN_AREF           (PIN_A7)
+#define PIN_DFU            (7)
+#define PIN_NFC1           (2)
+#define PIN_NFC2           (51)
+
+static const uint8_t AREF = PIN_AREF;
+
+/*
+ * Serial interfaces
+ */
+// Serial
+#define PIN_SERIAL_RX       (1)
+#define PIN_SERIAL_TX       (0)
+
+/*
+ * SPI Interfaces
+ */
+#define SPI_INTERFACES_COUNT 1
+
+#define PIN_SPI_MISO         (24)
+#define PIN_SPI_MOSI         (25)
+#define PIN_SPI_SCK          (26)
+
+static const uint8_t SS   = (5);
+static const uint8_t MOSI = PIN_SPI_MOSI ;
+static const uint8_t MISO = PIN_SPI_MISO ;
+static const uint8_t SCK  = PIN_SPI_SCK ;
+
+/*
+ * Wire Interfaces
+ */
+#define WIRE_INTERFACES_COUNT 1
+
+#define PIN_WIRE_SDA         (22)
+#define PIN_WIRE_SCL         (23)
+
+/*
+ * QSPI interface for external flash
+ */
+#define PIN_QSPI_SCK         27
+#define PIN_QSPI_CS          28
+#define PIN_QSPI_DATA0       29
+#define PIN_QSPI_DATA1       30
+#define PIN_QSPI_DATA2       31
+#define PIN_QSPI_DATA3       32
+
+// On-board QSPI Flash
+// If EXTERNAL_FLASH_DEVICES is not defined, all supported devices will be used
+#define EXTERNAL_FLASH_DEVICES   GD25Q16C
+
+#ifdef __cplusplus
+}
+#endif
+
+/*----------------------------------------------------------------------------
+ *        Arduino objects - C++ only
+ *----------------------------------------------------------------------------*/
+
+#endif