2 pins_arduino.h - Pin definition functions for Arduino
3 Part of Arduino - http://www.arduino.cc/
5 Copyright (c) 2007 David A. Mellis
7 This library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Lesser General Public
9 License as published by the Free Software Foundation; either
10 version 2.1 of the License, or (at your option) any later version.
12 This library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
17 You should have received a copy of the GNU Lesser General
18 Public License along with this library; if not, write to the
19 Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20 Boston, MA 02111-1307 USA
22 $Id: wiring.h 249 2007-02-03 16:52:51Z mellis $
25 #ifndef Pins_Arduino_h
26 #define Pins_Arduino_h
28 #include <avr/pgmspace.h>
30 // Workaround for wrong definitions in "iom32u4.h".
31 // This should be fixed in the AVR toolchain.
93 #define NUM_DIGITAL_PINS 30
94 #define NUM_ANALOG_INPUTS 12
96 #define TX_RX_LED_INIT DDRD |= (1<<5), DDRB |= (1<<0)
97 #define TXLED0 PORTD |= (1<<5)
98 #define TXLED1 PORTD &= ~(1<<5)
99 #define RXLED0 PORTB |= (1<<0)
100 #define RXLED1 PORTB &= ~(1<<0)
102 static const uint8_t SDA = 2;
103 static const uint8_t SCL = 3;
104 #define LED_BUILTIN 13
106 // Map SPI port to 'new' pins D14..D17
107 static const uint8_t SS = 17;
108 static const uint8_t MOSI = 16;
109 static const uint8_t MISO = 14;
110 static const uint8_t SCK = 15;
112 // Mapping of analog pins as digital I/O
113 // A6-A11 share with digital pins
114 static const uint8_t ADC0 = 18;
115 static const uint8_t ADC1 = 19;
116 static const uint8_t ADC2 = 20;
117 static const uint8_t ADC3 = 21;
118 static const uint8_t ADC4 = 22;
119 static const uint8_t ADC5 = 23;
120 static const uint8_t ADC6 = 24; // D4
121 static const uint8_t ADC7 = 25; // D6
122 static const uint8_t ADC8 = 26; // D8
123 static const uint8_t ADC9 = 27; // D9
124 static const uint8_t ADC10 = 28; // D10
125 static const uint8_t ADC11 = 29; // D12
127 #define digitalPinToPCICR(p) ((((p) >= 8 && (p) <= 11) || ((p) >= 14 && (p) <= 17) || ((p) >= A8 && (p) <= A10)) ? (&PCICR) : ((uint8_t *)0))
128 #define digitalPinToPCICRbit(p) 0
129 #define digitalPinToPCMSK(p) ((((p) >= 8 && (p) <= 11) || ((p) >= 14 && (p) <= 17) || ((p) >= A8 && (p) <= A10)) ? (&PCMSK0) : ((uint8_t *)0))
130 #define digitalPinToPCMSKbit(p) ( ((p) >= 8 && (p) <= 11) ? (p) - 4 : ((p) == 14 ? 3 : ((p) == 15 ? 1 : ((p) == 16 ? 2 : ((p) == 17 ? 0 : (p - A8 + 4))))))
132 // __AVR_ATmega32U4__ has an unusual mapping of pins to channels
133 extern const uint8_t PROGMEM analog_pin_to_channel_PGM[];
134 #define analogPinToChannel(P) ( pgm_read_byte( analog_pin_to_channel_PGM + (P) ) )
136 #define digitalPinToInterrupt(p) ((p) == 0 ? 2 : ((p) == 1 ? 3 : ((p) == 2 ? 1 : ((p) == 3 ? 0 : ((p) == 7 ? 4 : NOT_AN_INTERRUPT)))))
140 // On the Arduino board, digital pins are also used
141 // for the analog output (software PWM). Analog input
142 // pins are a separate set.
144 // ATMEL ATMEGA32U4 / ARDUINO LEONARDO
148 // D2 PD1 SDA SDA/INT1
149 // D3# PD0 PWM8/SCL OC0B/SCL/INT0
151 // D5# PC6 ??? OC3A/#OC4A
152 // D6# A7 PD7 FastPWM #OC4D/ADC10
155 // D8 A8 PB4 ADC11/PCINT4
156 // D9# A9 PB5 PWM16 OC1A/#OC4B/ADC12/PCINT5
157 // D10# A10 PB6 PWM16 OC1B/0c4B/ADC13/PCINT6
158 // D11# PB7 PWM8/16 0C0A/OC1C/#RTS/PCINT7
159 // D12 A11 PD6 T1/#OC4D/ADC9
160 // D13# PC7 PWM10 CLK0/OC4A
169 // New pins D14..D17 to map SPI port to digital pins
171 // MISO D14 PB3 MISO,PCINT3
172 // SCK D15 PB1 SCK,PCINT1
173 // MOSI D16 PB2 MOSI,PCINT2
174 // SS D17 PB0 RXLED,SS/PCINT0
176 // Connected LEDs on board for TX and RX
177 // TXLED D24 PD5 XCK1
181 // these arrays map port names (e.g. port B) to the
182 // appropriate addresses for various functions (e.g. reading
184 const uint16_t PROGMEM port_to_mode_PGM[] = {
194 const uint16_t PROGMEM port_to_output_PGM[] = {
204 const uint16_t PROGMEM port_to_input_PGM[] = {
214 const uint8_t PROGMEM digital_pin_to_port_PGM[] = {
231 PB, // D14 - MISO - PB3
232 PB, // D15 - SCK - PB1
233 PB, // D16 - MOSI - PB2
234 PB, // D17 - SS - PB0
236 PF, // D18 - A0 - PF7
237 PF, // D19 - A1 - PF6
238 PF, // D20 - A2 - PF5
239 PF, // D21 - A3 - PF4
240 PF, // D22 - A4 - PF1
241 PF, // D23 - A5 - PF0
244 PD, // D25 / D6 - A7 - PD7
245 PB, // D26 / D8 - A8 - PB4
246 PB, // D27 / D9 - A9 - PB5
247 PB, // D28 / D10 - A10 - PB6
248 PD, // D29 / D12 - A11 - PD6
251 const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[] = {
268 _BV(3), // D14 - MISO - PB3
269 _BV(1), // D15 - SCK - PB1
270 _BV(2), // D16 - MOSI - PB2
271 _BV(0), // D17 - SS - PB0
273 _BV(7), // D18 - A0 - PF7
274 _BV(6), // D19 - A1 - PF6
275 _BV(5), // D20 - A2 - PF5
276 _BV(4), // D21 - A3 - PF4
277 _BV(1), // D22 - A4 - PF1
278 _BV(0), // D23 - A5 - PF0
281 _BV(7), // D25 / D6 - A7 - PD7
282 _BV(4), // D26 / D8 - A8 - PB4
283 _BV(5), // D27 / D9 - A9 - PB5
284 _BV(6), // D28 / D10 - A10 - PB6
285 _BV(6), // D29 / D12 - A11 - PD6
288 const uint8_t PROGMEM digital_pin_to_timer_PGM[] = {
325 const uint8_t PROGMEM analog_pin_to_channel_PGM[] = {
333 10, // A7 D6 PD7 ADC10
334 11, // A8 D8 PB4 ADC11
335 12, // A9 D9 PB5 ADC12
336 13, // A10 D10 PB6 ADC13
337 9 // A11 D12 PD6 ADC9
340 #endif /* ARDUINO_MAIN */
342 // These serial port names are intended to allow libraries and architecture-neutral
343 // sketches to automatically default to the correct port name for a particular type
344 // of use. For example, a GPS module would normally connect to SERIAL_PORT_HARDWARE_OPEN,
345 // the first hardware serial port whose RX/TX pins are not dedicated to another use.
347 // SERIAL_PORT_MONITOR Port which normally prints to the Arduino Serial Monitor
349 // SERIAL_PORT_USBVIRTUAL Port which is USB virtual serial
351 // SERIAL_PORT_LINUXBRIDGE Port which connects to a Linux system via Bridge library
353 // SERIAL_PORT_HARDWARE Hardware serial port, physical RX & TX pins.
355 // SERIAL_PORT_HARDWARE_OPEN Hardware serial ports which are open for use. Their RX & TX
356 // pins are NOT connected to anything by default.
357 #define SERIAL_PORT_MONITOR Serial
358 #define SERIAL_PORT_USBVIRTUAL Serial
359 #define SERIAL_PORT_HARDWARE Serial1
360 #define SERIAL_PORT_HARDWARE_OPEN Serial1
362 #endif /* Pins_Arduino_h */