2015-04-17 17:55:44 +02:00
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/*
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pins_arduino.c - pin definitions for the Arduino board
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Part of Arduino / Wiring Lite
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Copyright (c) 2005 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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Modified 28-08-2009 for attiny84 R.Wiersma
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Modified 09-10-2009 for attiny45 A.Saporetti
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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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// Defines to make D4 support PWM
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// See for more info: http://forums.adafruit.com/viewtopic.php?f=52&t=43951
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//#define TCCR1A GTCCR
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//#define WGM10 PWM1B
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// ATMEL ATTINY45 / ARDUINO
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//
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// +-\/-+
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// Ain0 (D 5) PB5 1| |8 Vcc
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// Ain3 (D 3) PB3 2| |7 PB2 (D 2) Ain1
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// Ain2 (D 4) PB4 3| |6 PB1 (D 1) pwm1
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// GND 4| |5 PB0 (D 0) pwm0
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// +----+
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2015-11-17 15:04:11 +01:00
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#define NUM_DIGITAL_PINS 3
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#define NUM_ANALOG_INPUTS 1
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#define LED_BUILTIN 1
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2015-10-01 17:09:59 +02:00
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2016-04-04 21:41:38 +02:00
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#define PIN_A0 (6)
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#define PIN_A1 (7)
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#define PIN_A2 (8)
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#define PIN_A3 (9)
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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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2015-04-17 17:55:44 +02:00
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#define digitalPinToPCICR(p) ( ((p) >= 0 && (p) <= 4) ? (&GIMSK) : ((uint8_t *)0) )
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#define digitalPinToPCICRbit(p) ( PCIE )
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#define digitalPinToPCMSK(p) ( ((p) <= 4) ? (&PCMSK) : ((uint8_t *)0) )
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#define digitalPinToPCMSKbit(p) ( (p) )
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2015-10-23 10:44:02 +02:00
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#define digitalPinToInterrupt(p) ((p) == 2 ? 0 : NOT_AN_INTERRUPT)
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2015-04-17 17:55:44 +02:00
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#define analogPinToChannel(p) ( (p) < 6 ? (p) : (p) - 6 )
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#define TCCR1A GTCCR
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#ifdef ARDUINO_MAIN
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void initVariant()
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{
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GTCCR |= (1 << PWM1B);
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}
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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) tiny45 only port B
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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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};
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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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};
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const uint16_t PROGMEM port_to_input_PGM[] = {
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NOT_A_PIN,
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NOT_A_PIN,
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(uint16_t) &PINB,
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};
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const uint8_t PROGMEM digital_pin_to_port_PGM[] = {
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PB, /* 0 */
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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, // 5
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PB, // A0
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PB,
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PB,
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PB, // A4
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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 B */
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_BV(1),
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_BV(2),
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_BV(3), /* 3 port B */
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_BV(4),
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_BV(5),
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_BV(5),
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_BV(2),
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_BV(4),
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_BV(3),
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};
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const uint8_t PROGMEM digital_pin_to_timer_PGM[] = {
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TIMER0A, /* OC0A */
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TIMER0B,
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NOT_ON_TIMER,
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NOT_ON_TIMER,
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TIMER1B,
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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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NOT_ON_TIMER,
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};
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#endif
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2015-07-03 10:38:07 +02:00
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#endif
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