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Ladyada
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rev A design - tested!
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‎boards.txt

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@@ -112,6 +112,60 @@ feather52840.menu.debug.l2.build.debug_flags=-DCFG_DEBUG=2
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feather52840.menu.debug.l3=Level 3 (Segger SystemView)
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feather52840.menu.debug.l3.build.debug_flags=-DCFG_DEBUG=3
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# ----------------------------------
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# Bluefruit ItsyBitsy nRF52840 Express
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# ----------------------------------
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itsybitsy52840.name=Adafruit ItsyBitsy nRF52840 Express
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# VID/PID for bootloader with/without UF2, Arduino + Circuitpython App
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itsybitsy52840.vid.0=0x239A
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itsybitsy52840.pid.0=0x8051
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itsybitsy52840.vid.1=0x239A
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itsybitsy52840.pid.1=0x0051
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itsybitsy52840.vid.2=0x239A
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itsybitsy52840.pid.2=0x0052
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itsybitsy52840.vid.3=0x239A
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itsybitsy52840.pid.3=0x8052
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# Upload
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itsybitsy52840.bootloader.tool=bootburn
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itsybitsy52840.upload.tool=nrfutil
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itsybitsy52840.upload.protocol=nrfutil
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itsybitsy52840.upload.use_1200bps_touch=true
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itsybitsy52840.upload.wait_for_upload_port=true
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itsybitsy52840.upload.maximum_size=815104
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itsybitsy52840.upload.maximum_data_size=248832
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# Build
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itsybitsy52840.build.mcu=cortex-m4
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itsybitsy52840.build.f_cpu=64000000
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itsybitsy52840.build.board=NRF52840_ITSYBITSY
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itsybitsy52840.build.core=nRF5
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itsybitsy52840.build.variant=itsybitsy_nrf52840_express
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itsybitsy52840.build.usb_manufacturer="Adafruit LLC"
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itsybitsy52840.build.usb_product="ItsyBitsy nRF52840 Express"
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itsybitsy52840.build.extra_flags=-DNRF52840_XXAA -DARDUINO_NRF52_ITSYBITSY {build.flags.usb}
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itsybitsy52840.build.ldscript=nrf52840_s140_v6.ld
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itsybitsy52840.build.vid=0x239A
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itsybitsy52840.build.pid=0x8051
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# SofDevice Menu
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itsybitsy52840.menu.softdevice.s140v6=0.2.11 SoftDevice s140 6.1.1
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itsybitsy52840.menu.softdevice.s140v6.build.sd_name=s140
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itsybitsy52840.menu.softdevice.s140v6.build.sd_version=6.1.1
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itsybitsy52840.menu.softdevice.s140v6.build.sd_fwid=0x00B6
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# Debug Menu
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itsybitsy52840.menu.debug.l0=Level 0 (Release)
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itsybitsy52840.menu.debug.l0.build.debug_flags=-DCFG_DEBUG=0
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itsybitsy52840.menu.debug.l1=Level 1 (Error Message)
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itsybitsy52840.menu.debug.l1.build.debug_flags=-DCFG_DEBUG=1
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itsybitsy52840.menu.debug.l2=Level 2 (Full Debug)
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itsybitsy52840.menu.debug.l2.build.debug_flags=-DCFG_DEBUG=2
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itsybitsy52840.menu.debug.l3=Level 3 (Segger SystemView)
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itsybitsy52840.menu.debug.l3.build.debug_flags=-DCFG_DEBUG=3
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# ----------------------------------
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# Bluefruit Metro nRF52840 Express
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# ----------------------------------

‎variants/itsybitsy_nrf52840_express/variant.cpp

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/*
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Copyright (c) 2014-2015 Arduino LLC. All right reserved.
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Copyright (c) 2016 Sandeep Mistry All right reserved.
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Copyright (c) 2018, Adafruit Industries (adafruit.com)
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "variant.h"
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#include "wiring_constants.h"
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#include "wiring_digital.h"
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#include "nrf.h"
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const uint32_t g_ADigitalPinMap[] =
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{
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// D0 .. D13
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25, // D0 is P0.25 (UART RX)
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24, // D1 is P0.24 (UART TX)
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34, // D2 is P1.02
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6, // D3 is P0.06 LED
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29, // D4 is P0.29 Button
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40, // D5 is P1.08
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41, // D6 is P1.09 (DotStar Clock)
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7, // D7 is P0.07
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8, // D8 is P0.08 (DotStar Data)
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5, // D9 is P0.05
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26, // D10 is P0.26
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27, // D11 is P0.27
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11, // D12 is P0.11
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12, // D13 is P0.12
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// D14 .. D20 (aka A0 .. A7)
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4, // D14 is P0.04 (A0)
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31, // D15 is P0.31 (A1)
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30, // D16 is P0.30 (A2)
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28, // D17 is P0.28 (A3)
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2, // D18 is P0.02 (A4)
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3, // D19 is P0.03 (A5)
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// Extra Analog pin #20
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5, // D20 is P0.05 (A6/A9)
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// D21 .. D22 (aka I2C pins)
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16, // D21 is P0.16 (SDA)
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14, // D22 is P0.14 (SCL)
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// D23 .. D25 (aka SPI pins)
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20, // D23 is P0.20 (SPI MISO)
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15, // D24 is P0.15 (SPI MOSI)
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13, // D25 is P0.13 (SPI SCK )
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// QSPI pins (not exposed via any header / test point)
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19, // D26 is P0.19 (QSPI CLK)
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23, // D27 is P0.23 (QSPI CS)
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21, // D28 is P0.21 (QSPI Data 0)
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22, // D29 is P0.22 (QSPI Data 1)
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32, // D30 is P1.00 (QSPI Data 2)
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17, // D31 is P0.17 (QSPI Data 3)
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// Thus, there are 32 defined pins
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// The remaining pins are not usable:
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//
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//
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// The following pins were never listed as they were considered unusable
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// 0, // P0.00 is XL1 (attached to 32.768kHz crystal)
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// 1, // P0.01 is XL2 (attached to 32.768kHz crystal)
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// 18, // P0.18 is RESET (attached to switch)
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//
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// The remaining pins are not connected (per schematic)
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// 9, // P0.09 is not connected per schematic
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// 10, // P0.10 is not connected per schematic
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// 33, // P1.01 is not connected per schematic
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// 35, // P1.03 is not connected per schematic
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// 36, // P1.04 is not connected per schematic
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// 37, // P1.05 is not connected per schematic
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// 38, // P1.06 is not connected per schematic
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// 39, // P1.07 is not connected per schematic
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// 43, // P1.11 is not connected per schematic
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// 44, // P1.12 is not connected per schematic
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// 45, // P1.13 is not connected per schematic
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// 46, // P1.14 is not connected per schematic
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// 47, // P1.15 is not connected per schematic
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};
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void initVariant()
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{
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// LED1 & LED2
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pinMode(PIN_LED1, OUTPUT);
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ledOff(PIN_LED1);
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}
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‎variants/itsybitsy_nrf52840_express/variant.h

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/*
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Copyright (c) 2014-2015 Arduino LLC. All right reserved.
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Copyright (c) 2016 Sandeep Mistry All right reserved.
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Copyright (c) 2018, Adafruit Industries (adafruit.com)
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _VARIANT_FEATHER52840_
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#define _VARIANT_FEATHER52840_
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/** Master clock frequency */
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#define VARIANT_MCK (64000000ul)
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#define USE_LFXO // Board uses 32khz crystal for LF
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// define USE_LFRC // Board uses RC for LF
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/*----------------------------------------------------------------------------
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* Headers
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*----------------------------------------------------------------------------*/
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#include "WVariant.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif // __cplusplus
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// Number of pins defined in PinDescription array
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#define PINS_COUNT (32)
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#define NUM_DIGITAL_PINS (32)
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#define NUM_ANALOG_INPUTS (7)
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#define NUM_ANALOG_OUTPUTS (0)
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// LEDs
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#define PIN_LED1 (3)
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#define PIN_DOTSTAR_DATA (8)
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#define PIN_DOTSTAR_CLOCK (6)
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#define LED_BUILTIN PIN_LED1
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#define LED_CONN PIN_LED1
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#define LED_RED PIN_LED1
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#define LED_STATE_ON 1 // State when LED is litted
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// Buttons
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#define PIN_BUTTON1 (4)
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/*
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#define PIN_BUTTON2 (3)
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#define PIN_BUTTON3 (4)
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#define PIN_BUTTON4 (5)
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*/
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/*
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* Analog pins
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*/
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#define PIN_A0 (14)
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#define PIN_A1 (15)
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#define PIN_A2 (16)
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#define PIN_A3 (17)
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#define PIN_A4 (18)
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#define PIN_A5 (19)
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#define PIN_A6 (20)
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static const uint8_t A0 = PIN_A0 ;
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static const uint8_t A1 = PIN_A1 ;
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static const uint8_t A2 = PIN_A2 ;
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static const uint8_t A3 = PIN_A3 ;
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static const uint8_t A4 = PIN_A4 ;
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static const uint8_t A5 = PIN_A5 ;
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static const uint8_t A6 = PIN_A6 ;
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#define ADC_RESOLUTION 14
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//static const uint8_t AREF = PIN_AREF;
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/*
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* Serial interfaces
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*/
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// Serial
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#define PIN_SERIAL_RX (1)
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#define PIN_SERIAL_TX (0)
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/*
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* SPI Interfaces
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*/
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#define SPI_INTERFACES_COUNT 1
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#define PIN_SPI_MISO (23)
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#define PIN_SPI_MOSI (24)
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#define PIN_SPI_SCK (25)
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static const uint8_t SS = (5);
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static const uint8_t MOSI = PIN_SPI_MOSI ;
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static const uint8_t MISO = PIN_SPI_MISO ;
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static const uint8_t SCK = PIN_SPI_SCK ;
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/*
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* Wire Interfaces
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*/
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#define WIRE_INTERFACES_COUNT 1
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#define PIN_WIRE_SDA (21)
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#define PIN_WIRE_SCL (22)
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// QSPI Pins
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#define PIN_QSPI_SCK 26
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#define PIN_QSPI_CS 27
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#define PIN_QSPI_IO0 28
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#define PIN_QSPI_IO1 29
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#define PIN_QSPI_IO2 30
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#define PIN_QSPI_IO3 31
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// On-board QSPI Flash
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#define EXTERNAL_FLASH_DEVICES GD25Q16C
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#define USB_MSC_BLOCK_SIZE 512
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#define USB_MSC_BLOCK_COUNT ((2*1024*1024) / USB_MSC_BLOCK_SIZE)
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#ifdef __cplusplus
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}
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#endif
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/*----------------------------------------------------------------------------
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* Arduino objects - C++ only
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*----------------------------------------------------------------------------*/
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#endif

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