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Mike Grusin
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AVR boards V 1.1.6
Added variant for Digital Sandbox; set D3 to output/low on reset to prevent heating of speaker attached to expansion port.
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‎IDE_Board_Manager/package_sparkfun_index.json

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}
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],
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"toolsDependencies": []
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},
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{
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"name": "SparkFun AVR Boards",
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"architecture": "avr",
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"version": "1.1.6",
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"category": "Contributed",
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"url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfunboards.1.1.6.tar.bz2",
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"archiveFileName": "sparkfunboards.1.1.6.tar.bz2",
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"checksum": "SHA256:049FA0DF51602120EC1BDAC19F440FC0CC448C23BB277DD0D8DF855C52ACD483"
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"size": "1159276",
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"help": {
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"online": "https://forums.sparkfun.com"
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},
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"boards": [
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{
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"name": "RedBoard"
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},
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{
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"name": "MaKey MaKey"
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},
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{
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"name": "Pro Micro"
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},
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{
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"name": "Fio v3"
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},
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{
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"name": "Qduino Mini"
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},
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{
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"name": "Digital Sandbox"
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},
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{
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"name": "Mega Pro"
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},
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{
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"name": "RedBot"
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},
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{
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"name": "Serial 7-segment Display"
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},
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{
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"name": "ATmega128RFA1 Dev Board"
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}
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],
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"toolsDependencies": []
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},
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{
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"name": "SparkFun SAMD Boards (dependency: Arduino SAMD Boards 1.6.5)",

‎IDE_Board_Manager/sparkfunboards.1.1.6.tar.bz2

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‎sparkfun/avr/boards.txt

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# Can run at less than 5V on battery, so run at only 8MHz
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digitalsandbox.build.f_cpu=8000000L
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digitalsandbox.build.core=arduino:arduino
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digitalsandbox.build.variant=arduino:standard
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digitalsandbox.build.variant=digitalsandbox
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################################################################################

‎sparkfun/avr/variants/digitalsandbox/pins_arduino.h

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/*
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pins_arduino.h - Pin definition functions for Arduino
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Part of Arduino - http://www.arduino.cc/
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Copyright (c) 2007 David A. Mellis
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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. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General
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Public License along with this library; if not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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Boston, MA 02111-1307 USA
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*/
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#ifndef Pins_Arduino_h
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#define Pins_Arduino_h
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#include <avr/pgmspace.h>
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#define NUM_DIGITAL_PINS 20
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#define NUM_ANALOG_INPUTS 6
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#define analogInputToDigitalPin(p) ((p < 6) ? (p) + 14 : -1)
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#if defined(__AVR_ATmega8__)
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#define digitalPinHasPWM(p) ((p) == 9 || (p) == 10 || (p) == 11)
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#else
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#define digitalPinHasPWM(p) ((p) == 3 || (p) == 5 || (p) == 6 || (p) == 9 || (p) == 10 || (p) == 11)
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#endif
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#define PIN_SPI_SS (10)
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#define PIN_SPI_MOSI (11)
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#define PIN_SPI_MISO (12)
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#define PIN_SPI_SCK (13)
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static const uint8_t SS = PIN_SPI_SS;
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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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#define PIN_WIRE_SDA (18)
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#define PIN_WIRE_SCL (19)
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static const uint8_t SDA = PIN_WIRE_SDA;
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static const uint8_t SCL = PIN_WIRE_SCL;
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#define LED_BUILTIN 13
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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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#define PIN_A7 (21)
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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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static const uint8_t A7 = PIN_A7;
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#define digitalPinToPCICR(p) (((p) >= 0 && (p) <= 21) ? (&PCICR) : ((uint8_t *)0))
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#define digitalPinToPCICRbit(p) (((p) <= 7) ? 2 : (((p) <= 13) ? 0 : 1))
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#define digitalPinToPCMSK(p) (((p) <= 7) ? (&PCMSK2) : (((p) <= 13) ? (&PCMSK0) : (((p) <= 21) ? (&PCMSK1) : ((uint8_t *)0))))
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#define digitalPinToPCMSKbit(p) (((p) <= 7) ? (p) : (((p) <= 13) ? ((p) - 8) : ((p) - 14)))
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#define digitalPinToInterrupt(p) ((p) == 2 ? 0 : ((p) == 3 ? 1 : NOT_AN_INTERRUPT))
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#ifdef ARDUINO_MAIN
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// On the Arduino board, digital pins are also used
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// for the analog output (software PWM). Analog input
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// pins are a separate set.
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// ATMEL ATMEGA8 & 168 / ARDUINO
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//
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// +-\/-+
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// PC6 1| |28 PC5 (AI 5)
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// (D 0) PD0 2| |27 PC4 (AI 4)
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// (D 1) PD1 3| |26 PC3 (AI 3)
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// (D 2) PD2 4| |25 PC2 (AI 2)
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// PWM+ (D 3) PD3 5| |24 PC1 (AI 1)
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// (D 4) PD4 6| |23 PC0 (AI 0)
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// VCC 7| |22 GND
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// GND 8| |21 AREF
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// PB6 9| |20 AVCC
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// PB7 10| |19 PB5 (D 13)
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// PWM+ (D 5) PD5 11| |18 PB4 (D 12)
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// PWM+ (D 6) PD6 12| |17 PB3 (D 11) PWM
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// (D 7) PD7 13| |16 PB2 (D 10) PWM
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// (D 8) PB0 14| |15 PB1 (D 9) PWM
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// +----+
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//
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// (PWM+ indicates the additional PWM pins on the ATmega168.)
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// ATMEL ATMEGA1280 / ARDUINO
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//
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// 0-7 PE0-PE7 works
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// 8-13 PB0-PB5 works
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// 14-21 PA0-PA7 works
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// 22-29 PH0-PH7 works
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// 30-35 PG5-PG0 works
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// 36-43 PC7-PC0 works
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// 44-51 PJ7-PJ0 works
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// 52-59 PL7-PL0 works
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// 60-67 PD7-PD0 works
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// A0-A7 PF0-PF7
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// A8-A15 PK0-PK7
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// these arrays map port names (e.g. port B) to the
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// appropriate addresses for various functions (e.g. reading
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// and writing)
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const uint16_t PROGMEM port_to_mode_PGM[] = {
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NOT_A_PORT,
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NOT_A_PORT,
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(uint16_t) &DDRB,
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(uint16_t) &DDRC,
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(uint16_t) &DDRD,
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};
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const uint16_t PROGMEM port_to_output_PGM[] = {
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NOT_A_PORT,
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NOT_A_PORT,
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(uint16_t) &PORTB,
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(uint16_t) &PORTC,
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(uint16_t) &PORTD,
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};
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const uint16_t PROGMEM port_to_input_PGM[] = {
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NOT_A_PORT,
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NOT_A_PORT,
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(uint16_t) &PINB,
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(uint16_t) &PINC,
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(uint16_t) &PIND,
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};
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const uint8_t PROGMEM digital_pin_to_port_PGM[] = {
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PD, /* 0 */
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PD,
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PD,
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PD,
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PD,
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PD,
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PD,
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PD,
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PB, /* 8 */
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PB,
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PB,
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PB,
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PB,
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PB,
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PC, /* 14 */
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PC,
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PC,
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PC,
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PC,
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PC,
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};
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const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[] = {
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_BV(0), /* 0, port D */
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_BV(1),
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_BV(2),
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_BV(3),
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_BV(4),
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_BV(5),
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_BV(6),
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_BV(7),
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_BV(0), /* 8, port B */
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_BV(1),
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_BV(2),
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_BV(3),
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_BV(4),
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_BV(5),
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_BV(0), /* 14, port C */
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_BV(1),
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_BV(2),
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_BV(3),
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_BV(4),
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_BV(5),
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};
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const uint8_t PROGMEM digital_pin_to_timer_PGM[] = {
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NOT_ON_TIMER, /* 0 - port D */
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NOT_ON_TIMER,
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NOT_ON_TIMER,
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// on the ATmega168, digital pin 3 has hardware pwm
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#if defined(__AVR_ATmega8__)
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NOT_ON_TIMER,
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#else
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TIMER2B,
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#endif
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NOT_ON_TIMER,
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// on the ATmega168, digital pins 5 and 6 have hardware pwm
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#if defined(__AVR_ATmega8__)
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NOT_ON_TIMER,
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NOT_ON_TIMER,
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#else
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TIMER0B,
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TIMER0A,
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#endif
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NOT_ON_TIMER,
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NOT_ON_TIMER, /* 8 - port B */
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TIMER1A,
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TIMER1B,
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#if defined(__AVR_ATmega8__)
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TIMER2,
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#else
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TIMER2A,
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#endif
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NOT_ON_TIMER,
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NOT_ON_TIMER,
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NOT_ON_TIMER,
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NOT_ON_TIMER, /* 14 - port C */
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NOT_ON_TIMER,
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NOT_ON_TIMER,
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NOT_ON_TIMER,
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NOT_ON_TIMER,
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};
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// Digital Sandbox specific functions
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void initVariant() {
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// Set pin 3 to be a low output to avoid heating up buzzer attached to expansion port
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pinMode(3,OUTPUT);
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digitalWrite(3,LOW);
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}
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#endif
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// These serial port names are intended to allow libraries and architecture-neutral
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// sketches to automatically default to the correct port name for a particular type
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// of use. For example, a GPS module would normally connect to SERIAL_PORT_HARDWARE_OPEN,
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// the first hardware serial port whose RX/TX pins are not dedicated to another use.
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//
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// SERIAL_PORT_MONITOR Port which normally prints to the Arduino Serial Monitor
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//
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// SERIAL_PORT_USBVIRTUAL Port which is USB virtual serial
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//
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// SERIAL_PORT_LINUXBRIDGE Port which connects to a Linux system via Bridge library
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//
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// SERIAL_PORT_HARDWARE Hardware serial port, physical RX & TX pins.
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//
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// SERIAL_PORT_HARDWARE_OPEN Hardware serial ports which are open for use. Their RX & TX
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// pins are NOT connected to anything by default.
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#define SERIAL_PORT_MONITOR Serial
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#define SERIAL_PORT_HARDWARE Serial
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#endif

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