Add variant for the BBC micro:bit

README.md

@@ -9,6 +9,7 @@ Program [Nordic Semiconductor](https://www.nordicsemi.com) nR5 based boards with
  * [Bluz DK](http://bluz.io)
  * [RedBearLab BLE Nano](http://redbearlab.com/blenano/)
  * [RedBearLab nRF51822](http://redbearlab.com/redbearlab-nrf51822/)
+ * [BBC micro:bit](https://www.microbit.co.uk)
 
 ## Installing
 

boards.txt

@@ -184,6 +184,45 @@ RedBearLab_nRF51822.menu.softdevice.s130.build.extra_flags=-DNRF51 -DS130 -DNRF5
 RedBearLab_nRF51822.menu.softdevice.s130.build.ldscript=armgcc_s130_nrf51822_{build.chip}.ld
 
 
+BBCmicrobit.name=BBC micro:bit
+
+BBCmicrobit.vid.0=0x0d28
+BBCmicrobit.pid.0=0x0204
+
+BBCmicrobit.upload.tool=sandeepmistry:openocd
+BBCmicrobit.upload.target=nrf51
+BBCmicrobit.upload.maximum_size=262144
+
+BBCmicrobit.bootloader.tool=sandeepmistry:openocd
+
+BBCmicrobit.build.mcu=cortex-m0
+BBCmicrobit.build.f_cpu=16000000
+BBCmicrobit.build.board=BLUZ_DK
+BBCmicrobit.build.core=nRF5
+BBCmicrobit.build.variant=BBCmicrobit
+BBCmicrobit.build.variant_system_lib=
+BBCmicrobit.build.extra_flags=-DNRF51
+BBCmicrobit.build.float_flags=
+BBCmicrobit.build.ldscript=nrf51_xxaa.ld
+
+BBCmicrobit.menu.softdevice.none=None
+BBCmicrobit.menu.softdevice.none.softdevice=none
+
+BBCmicrobit.menu.softdevice.s110=S110
+BBCmicrobit.menu.softdevice.s110.softdevice=s110
+BBCmicrobit.menu.softdevice.s110.softdeviceversion=8.0.0
+BBCmicrobit.menu.softdevice.s110.upload.maximum_size=151552
+BBCmicrobit.menu.softdevice.s110.build.extra_flags=-DNRF51 -DS110 -DNRF51_S110
+BBCmicrobit.menu.softdevice.s110.build.ldscript=armgcc_s110_nrf51822_xxaa.ld
+
+BBCmicrobit.menu.softdevice.s130=S130
+BBCmicrobit.menu.softdevice.s130.softdevice=s130
+BBCmicrobit.menu.softdevice.s130.softdeviceversion=2.0.0
+BBCmicrobit.menu.softdevice.s130.upload.maximum_size=151552
+BBCmicrobit.menu.softdevice.s130.build.extra_flags=-DNRF51 -DS130 -DNRF51_S130
+BBCmicrobit.menu.softdevice.s130.build.ldscript=armgcc_s130_nrf51822_xxaa.ld
+
+
 Generic_nRF51822.name=Generic nRF51822
 
 Generic_nRF51822.upload.tool=sandeepmistry:openocd

cores/nRF5/binary.h → variants/BBCmicrobit/pins_arduino.h

 /*
-  binary.h - Definitions for binary constants
-  Copyright (c) 2006 David A. Mellis.  All right reserved.
-
+  Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
   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.
-
+  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 Binary_h
-#define Binary_h
-
-#endif
+// API compatibility
+#include "variant.h"

variants/BBCmicrobit/variant.cpp

+/*
+  Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
+
+  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"
+
+const uint32_t g_ADigitalPinMap[] = {
+  // 0 - 4
+  3, // A0 - left pad
+  2, // A1 - middle pad
+  1, // A2 - right pad
+  4, // A3 - COL1
+  5, // A4 - COL2
+
+  // 5 - 9
+  17, // BTN A
+  12, // COL9
+  11, // COL8
+  18,
+  10, // COL7
+
+  6,  // A5 - COL3
+
+  26, // BTN B
+  20,
+  23, // SCK
+  22, // MISO
+  21, // MOSI
+  16,
+
+  // 17 + 18
+  (uint32_t)-1, // 3.3V
+  (uint32_t)-1, // 3.3V
+
+  0,  // SCL
+  30, // SDA
+
+  25, // RX
+  24, // TX
+
+  7,  // COL4
+  8,  // COL5
+  9,  // COL6
+  13, // ROW1
+  14, // ROW2
+  15, // ROW3
+
+  28, // ACCEL INT 1
+  27, // ACCEL INT 2
+  29, // MAG INT 2
+
+  19 // RST
+};

variants/BBCmicrobit/variant.h

+/*
+  Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
+  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_BBC_MICROBIT_
+#define _VARIANT_BBC_MICROBIT_
+
+/** Master clock frequency */
+#define VARIANT_MCK       (16000000ul)
+
+/*----------------------------------------------------------------------------
+ *        Headers
+ *----------------------------------------------------------------------------*/
+
+#include "WVariant.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif // __cplusplus
+
+// Number of pins defined in PinDescription array
+#define PINS_COUNT           (33u)
+#define NUM_DIGITAL_PINS     (20u)
+#define NUM_ANALOG_INPUTS    (6u)
+#define NUM_ANALOG_OUTPUTS   (0u)
+
+// LEDs
+#define PIN_LED                 (13)
+#define LED_BUILTIN             PIN_LED
+// #define
+
+// Buttons
+#define PIN_BUTTON_A            (5)
+#define PIN_BUTTON_B            (11)
+
+/*
+ * Analog pins
+ */
+#define PIN_A0               (0)
+#define PIN_A1               (1)
+#define PIN_A2               (2)
+#define PIN_A3               (3)
+#define PIN_A4               (4)
+#define PIN_A5               (10)
+
+
+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 ;
+#define ADC_RESOLUTION    10
+
+/*
+ * Serial interfaces
+ */
+// Serial
+#define PIN_SERIAL_RX       (21)
+#define PIN_SERIAL_TX       (22)
+
+/*
+ * SPI Interfaces
+ */
+#define SPI_INTERFACES_COUNT 1
+
+#define PIN_SPI_MISO         (14)
+#define PIN_SPI_MOSI         (15)
+#define PIN_SPI_SCK          (13)
+
+static const uint8_t SS   = 16 ;
+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         (20u)
+#define PIN_WIRE_SCL         (19u)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif