Add micro:bit V2 variant

Author: jhmaloney

.travis.yml

@@ -42,3 +42,4 @@ script:
   - buildExampleSketch sandeepmistry:nRF5:DWM1001-DEV 01.Basics Blink
   - buildExampleSketch sandeepmistry:nRF5:SeeedArchLink 01.Basics Blink
   - buildExampleSketch sandeepmistry:nRF5:Generic_nRF52833 01.Basics Blink
+  - buildExampleSketch sandeepmistry:nRF5:BBCmicrobitV2 01.Basics Blink

boards.txt

@@ -54,6 +54,39 @@ Generic_nRF52833.menu.lfclk.lfsynt=Synthesized
 Generic_nRF52833.menu.lfclk.lfsynt.build.lfclk_flags=-DUSE_LFSYNT
 
 
+BBCmicrobitV2.name=BBC micro:bit V2
+
+BBCmicrobitV2.vid.0=0x0d28
+BBCmicrobitV2.pid.0=0x0204
+
+BBCmicrobitV2.upload.tool=sandeepmistry:openocd
+BBCmicrobitV2.upload.protocol=cmsis-dap
+BBCmicrobitV2.upload.target=nrf52
+BBCmicrobitV2.upload.maximum_size=524288
+BBCmicrobitV2.upload.setup_command=transport select swd;
+BBCmicrobitV2.upload.use_1200bps_touch=false
+BBCmicrobitV2.upload.wait_for_upload_port=false
+BBCmicrobitV2.upload.native_usb=false
+
+BBCmicrobitV2.bootloader.tool=sandeepmistry:openocd
+
+BBCmicrobitV2.build.mcu=cortex-m4
+BBCmicrobitV2.build.f_cpu=64000000
+BBCmicrobitV2.build.board=BBC_MICROBIT_V2
+BBCmicrobitV2.build.core=nRF5
+BBCmicrobitV2.build.variant=BBCmicrobitV2
+BBCmicrobitV2.build.variant_system_lib=
+BBCmicrobitV2.build.extra_flags=-DNRF52833_XXAA
+BBCmicrobitV2.build.float_flags=-mfloat-abi=hard -mfpu=fpv4-sp-d16
+BBCmicrobitV2.build.ldscript=nrf52833_xxaa.ld
+
+BBCmicrobitV2.build.lfclk_flags=-DUSE_LFSYNT
+
+BBCmicrobitV2.menu.softdevice.none=None
+BBCmicrobitV2.menu.softdevice.none.softdevice=none
+BBCmicrobitV2.menu.softdevice.none.softdeviceversion=
+
+
 # nRF52832 variants
 ###################
 

variants/BBCmicrobitV2/pins_arduino.h

@@ -0,0 +1,17 @@
+/*
+  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.
+  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
+*/
+
+// API compatibility
+#include "variant.h"

variants/BBCmicrobitV2/variant.cpp

@@ -0,0 +1,59 @@
+/* Pins for micro:bit V2 */
+
+#include "variant.h"
+
+const uint32_t g_ADigitalPinMap[] = {
+  // 0 - 4
+  2,  // A0, LEFT PAD
+  3,  // A1, MIDDLE PAD
+  4,  // A2, RIGHT PAD
+  31, // A3, COL3
+  28, // A4, COL1
+
+  // 5 - 9
+  14, // BTN A
+  37, // COL4, P1.05
+  11, // COL2
+  10, // NFC2
+  9,  // NFC1
+
+  // 10-16
+  30, // A5, COL5
+  23, // BTN B
+  12,
+  17, // SCK
+  1,  // MISO
+  13, // MOSI
+  34, // P1.02
+
+  // 17 + 18
+  (uint32_t)-1, // 3.3V
+  (uint32_t)-1, // 3.3V
+
+  // 19 + 20
+  26, // SCL
+  32, // SDA, P1.00
+
+  // 21 - 25
+  21, // ROW1
+  22, // ROW2
+  15, // ROW3
+  24, // ROW4
+  19, // ROW5
+
+  // 26 - 29
+  36, // LOGO (touch sensor)
+  0,  // SPEAKER (Note: Must use synthesized LF clock to make this pin available)
+  20, // RUN_MIC
+  5,  // A6, MIC_IN
+
+  // 30 - 31
+  16, // I2C_INT_SDA
+  8,  // I2C_INT_SCL
+
+  // 32 - 34
+  25, // COMBINED_SENSOR_INT
+  40, // RX, P1.08
+  6,  // TX
+  
+};

variants/BBCmicrobitV2/variant.h

@@ -0,0 +1,78 @@
+#ifndef _MICROBIT_V2_
+#define _MICROBIT_V2_
+
+// Master clock frequency
+
+#define VARIANT_MCK (64000000ul)
+
+#include "WVariant.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif // __cplusplus
+
+// Number of pins defined in PinDescription array
+
+#define PINS_COUNT			(35)
+#define NUM_DIGITAL_PINS	(35)
+#define NUM_ANALOG_INPUTS	(7)
+#define NUM_ANALOG_OUTPUTS	(0)
+
+// LEDs
+
+#define PIN_LED             (13)
+#define LED_BUILTIN         PIN_LED
+
+// 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)
+#define PIN_A6				(29)
+
+#define ADC_RESOLUTION 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;
+static const uint8_t A6 = PIN_A6;
+
+// Serial
+
+#define PIN_SERIAL_RX		(33)
+#define PIN_SERIAL_TX		(34)
+
+// SPI
+
+#define SPI_INTERFACES_COUNT 1
+
+#define PIN_SPI_MISO		(14)
+#define PIN_SPI_MOSI		(15)
+#define PIN_SPI_SCK			(13)
+
+// Wire Interfaces (external and internal)
+
+#define WIRE_INTERFACES_COUNT 2
+
+#define PIN_WIRE_SDA		(20)
+#define PIN_WIRE_SCL		(19)
+
+#define PIN_WIRE1_SDA       (30)
+#define PIN_WIRE1_SCL       (31)
+
+#ifdef __cplusplus
+}
+#endif // __cplusplus
+
+#endif