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authoramcewen <amcewen@bcs.org.uk>2011-06-11 21:27:18 +0100
committeramcewen <amcewen@bcs.org.uk>2011-06-11 21:27:18 +0100
commit58aaa903f8aaaf7735ca2df803ec028b420a754b (patch)
treed2548a6d793dd615c47cec573f331aeb23314833 /pins/standard/pins_arduino.h
parentedee02eaf19c4d13324959e6db881dc327342561 (diff)
parenta239d2c541094ef5445159360ae5d2d6a93dbf00 (diff)
Merge remote branch 'upstream/new-extension'
Moved my fork to the Arduino 1.0 codebase
Diffstat (limited to 'pins/standard/pins_arduino.h')
-rw-r--r--pins/standard/pins_arduino.h199
1 files changed, 199 insertions, 0 deletions
diff --git a/pins/standard/pins_arduino.h b/pins/standard/pins_arduino.h
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+/*
+ pins_arduino.h - Pin definition functions for Arduino
+ Part of Arduino - http://www.arduino.cc/
+
+ Copyright (c) 2007 David A. Mellis
+
+ 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., 59 Temple Place, Suite 330,
+ Boston, MA 02111-1307 USA
+
+ $Id: wiring.h 249 2007-02-03 16:52:51Z mellis $
+*/
+
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <avr/pgmspace.h>
+
+const static uint8_t SS = 10;
+const static uint8_t MOSI = 11;
+const static uint8_t MISO = 12;
+const static uint8_t SCK = 13;
+
+const static uint8_t A0 = 14;
+const static uint8_t A1 = 15;
+const static uint8_t A2 = 16;
+const static uint8_t A3 = 17;
+const static uint8_t A4 = 18;
+const static uint8_t A5 = 19;
+const static uint8_t A6 = 20;
+const static uint8_t A7 = 21;
+
+#ifdef ARDUINO_MAIN
+
+// On the Arduino board, digital pins are also used
+// for the analog output (software PWM). Analog input
+// pins are a separate set.
+
+// ATMEL ATMEGA8 & 168 / ARDUINO
+//
+// +-\/-+
+// PC6 1| |28 PC5 (AI 5)
+// (D 0) PD0 2| |27 PC4 (AI 4)
+// (D 1) PD1 3| |26 PC3 (AI 3)
+// (D 2) PD2 4| |25 PC2 (AI 2)
+// PWM+ (D 3) PD3 5| |24 PC1 (AI 1)
+// (D 4) PD4 6| |23 PC0 (AI 0)
+// VCC 7| |22 GND
+// GND 8| |21 AREF
+// PB6 9| |20 AVCC
+// PB7 10| |19 PB5 (D 13)
+// PWM+ (D 5) PD5 11| |18 PB4 (D 12)
+// PWM+ (D 6) PD6 12| |17 PB3 (D 11) PWM
+// (D 7) PD7 13| |16 PB2 (D 10) PWM
+// (D 8) PB0 14| |15 PB1 (D 9) PWM
+// +----+
+//
+// (PWM+ indicates the additional PWM pins on the ATmega168.)
+
+// ATMEL ATMEGA1280 / ARDUINO
+//
+// 0-7 PE0-PE7 works
+// 8-13 PB0-PB5 works
+// 14-21 PA0-PA7 works
+// 22-29 PH0-PH7 works
+// 30-35 PG5-PG0 works
+// 36-43 PC7-PC0 works
+// 44-51 PJ7-PJ0 works
+// 52-59 PL7-PL0 works
+// 60-67 PD7-PD0 works
+// A0-A7 PF0-PF7
+// A8-A15 PK0-PK7
+
+
+// these arrays map port names (e.g. port B) to the
+// appropriate addresses for various functions (e.g. reading
+// and writing)
+const uint16_t PROGMEM port_to_mode_PGM[] = {
+ NOT_A_PORT,
+ NOT_A_PORT,
+ (uint16_t) &DDRB,
+ (uint16_t) &DDRC,
+ (uint16_t) &DDRD,
+};
+
+const uint16_t PROGMEM port_to_output_PGM[] = {
+ NOT_A_PORT,
+ NOT_A_PORT,
+ (uint16_t) &PORTB,
+ (uint16_t) &PORTC,
+ (uint16_t) &PORTD,
+};
+
+const uint16_t PROGMEM port_to_input_PGM[] = {
+ NOT_A_PORT,
+ NOT_A_PORT,
+ (uint16_t) &PINB,
+ (uint16_t) &PINC,
+ (uint16_t) &PIND,
+};
+
+const uint8_t PROGMEM digital_pin_to_port_PGM[] = {
+ PD, /* 0 */
+ PD,
+ PD,
+ PD,
+ PD,
+ PD,
+ PD,
+ PD,
+ PB, /* 8 */
+ PB,
+ PB,
+ PB,
+ PB,
+ PB,
+ PC, /* 14 */
+ PC,
+ PC,
+ PC,
+ PC,
+ PC,
+};
+
+const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[] = {
+ _BV(0), /* 0, port D */
+ _BV(1),
+ _BV(2),
+ _BV(3),
+ _BV(4),
+ _BV(5),
+ _BV(6),
+ _BV(7),
+ _BV(0), /* 8, port B */
+ _BV(1),
+ _BV(2),
+ _BV(3),
+ _BV(4),
+ _BV(5),
+ _BV(0), /* 14, port C */
+ _BV(1),
+ _BV(2),
+ _BV(3),
+ _BV(4),
+ _BV(5),
+};
+
+const uint8_t PROGMEM digital_pin_to_timer_PGM[] = {
+ NOT_ON_TIMER, /* 0 - port D */
+ NOT_ON_TIMER,
+ NOT_ON_TIMER,
+ // on the ATmega168, digital pin 3 has hardware pwm
+#if defined(__AVR_ATmega8__)
+ NOT_ON_TIMER,
+#else
+ TIMER2B,
+#endif
+ NOT_ON_TIMER,
+ // on the ATmega168, digital pins 5 and 6 have hardware pwm
+#if defined(__AVR_ATmega8__)
+ NOT_ON_TIMER,
+ NOT_ON_TIMER,
+#else
+ TIMER0B,
+ TIMER0A,
+#endif
+ NOT_ON_TIMER,
+ NOT_ON_TIMER, /* 8 - port B */
+ TIMER1A,
+ TIMER1B,
+#if defined(__AVR_ATmega8__)
+ TIMER2,
+#else
+ TIMER2A,
+#endif
+ NOT_ON_TIMER,
+ NOT_ON_TIMER,
+ NOT_ON_TIMER,
+ NOT_ON_TIMER, /* 14 - port C */
+ NOT_ON_TIMER,
+ NOT_ON_TIMER,
+ NOT_ON_TIMER,
+ NOT_ON_TIMER,
+};
+
+#endif
+
+#endif \ No newline at end of file