324 lines
10 KiB
C
324 lines
10 KiB
C
/*
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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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$Id: wiring.h 249 2007-02-03 16:52:51Z mellis $
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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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// Workaround for wrong definitions in "iom32u4.h".
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// This should be fixed in the AVR toolchain.
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#undef UHCON
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#undef UHINT
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#undef UHIEN
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#undef UHADDR
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#undef UHFNUM
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#undef UHFNUML
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#undef UHFNUMH
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#undef UHFLEN
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#undef UPINRQX
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#undef UPINTX
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#undef UPNUM
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#undef UPRST
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#undef UPCONX
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#undef UPCFG0X
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#undef UPCFG1X
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#undef UPSTAX
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#undef UPCFG2X
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#undef UPIENX
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#undef UPDATX
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#undef TCCR2A
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#undef WGM20
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#undef WGM21
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#undef COM2B0
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#undef COM2B1
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#undef COM2A0
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#undef COM2A1
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#undef TCCR2B
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#undef CS20
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#undef CS21
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#undef CS22
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#undef WGM22
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#undef FOC2B
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#undef FOC2A
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#undef TCNT2
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#undef TCNT2_0
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#undef TCNT2_1
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#undef TCNT2_2
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#undef TCNT2_3
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#undef TCNT2_4
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#undef TCNT2_5
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#undef TCNT2_6
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#undef TCNT2_7
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#undef OCR2A
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#undef OCR2_0
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#undef OCR2_1
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#undef OCR2_2
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#undef OCR2_3
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#undef OCR2_4
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#undef OCR2_5
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#undef OCR2_6
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#undef OCR2_7
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#undef OCR2B
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#undef OCR2_0
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#undef OCR2_1
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#undef OCR2_2
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#undef OCR2_3
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#undef OCR2_4
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#undef OCR2_5
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#undef OCR2_6
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#undef OCR2_7
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#define NUM_DIGITAL_PINS 30
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#define NUM_ANALOG_INPUTS 12
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#define TX_RX_LED_INIT DDRD |= (1 << 5), DDRB |= (1 << 0)
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#define TXLED0 PORTD |= (1 << 5)
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#define TXLED1 PORTD &= ~(1 << 5)
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#define RXLED0 PORTB |= (1 << 0)
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#define RXLED1 PORTB &= ~(1 << 0)
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static const uint8_t SDA = 2;
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static const uint8_t SCL = 3;
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#define LED_BUILTIN 13
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// Map SPI port to 'new' pins D14..D17
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static const uint8_t SS = 17;
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static const uint8_t MOSI = 16;
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static const uint8_t MISO = 14;
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static const uint8_t SCK = 15;
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// Mapping of analog pins as digital I/O
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// A6-A11 share with digital pins
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static const uint8_t ADC0 = 18;
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static const uint8_t ADC1 = 19;
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static const uint8_t ADC2 = 20;
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static const uint8_t ADC3 = 21;
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static const uint8_t ADC4 = 22;
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static const uint8_t ADC5 = 23;
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static const uint8_t ADC6 = 24; // D4
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static const uint8_t ADC7 = 25; // D6
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static const uint8_t ADC8 = 26; // D8
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static const uint8_t ADC9 = 27; // D9
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static const uint8_t ADC10 = 28; // D10
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static const uint8_t ADC11 = 29; // D12
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#define digitalPinToPCICR(p) ((((p) >= 8 && (p) <= 11) || ((p) >= 14 && (p) <= 17) || ((p) >= A8 && (p) <= A10)) ? (&PCICR) : ((uint8_t *)0))
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#define digitalPinToPCICRbit(p) 0
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#define digitalPinToPCMSK(p) ((((p) >= 8 && (p) <= 11) || ((p) >= 14 && (p) <= 17) || ((p) >= A8 && (p) <= A10)) ? (&PCMSK0) : ((uint8_t *)0))
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#define digitalPinToPCMSKbit(p) (((p) >= 8 && (p) <= 11) ? (p)-4 : ((p) == 14 ? 3 : ((p) == 15 ? 1 : ((p) == 16 ? 2 : ((p) == 17 ? 0 : (p - A8 + 4))))))
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// __AVR_ATmega32U4__ has an unusual mapping of pins to channels
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extern const uint8_t PROGMEM analog_pin_to_channel_PGM[];
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#define analogPinToChannel(P) (pgm_read_byte(analog_pin_to_channel_PGM + (P)))
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#define digitalPinToInterrupt(p) ((p) == 0 ? 2 : ((p) == 1 ? 3 : ((p) == 2 ? 1 : ((p) == 3 ? 0 : ((p) == 7 ? 4 : 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 ATMEGA32U4 / ARDUINO LEONARDO
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//
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// D0 PD2 RXD1/INT2
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// D1 PD3 TXD1/INT3
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// D2 PD1 SDA SDA/INT1
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// D3# PD0 PWM8/SCL OC0B/SCL/INT0
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// D4 A6 PD4 ADC8
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// D5# PC6 ??? OC3A/#OC4A
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// D6# A7 PD7 FastPWM #OC4D/ADC10
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// D7 PE6 INT6/AIN0
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//
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// D8 A8 PB4 ADC11/PCINT4
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// D9# A9 PB5 PWM16 OC1A/#OC4B/ADC12/PCINT5
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// D10# A10 PB6 PWM16 OC1B/0c4B/ADC13/PCINT6
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// D11# PB7 PWM8/16 0C0A/OC1C/#RTS/PCINT7
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// D12 A11 PD6 T1/#OC4D/ADC9
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// D13# PC7 PWM10 CLK0/OC4A
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//
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// A0 D18 PF7 ADC7
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// A1 D19 PF6 ADC6
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// A2 D20 PF5 ADC5
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// A3 D21 PF4 ADC4
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// A4 D22 PF1 ADC1
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// A5 D23 PF0 ADC0
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//
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// New pins D14..D17 to map SPI port to digital pins
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//
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// MISO D14 PB3 MISO,PCINT3
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// SCK D15 PB1 SCK,PCINT1
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// MOSI D16 PB2 MOSI,PCINT2
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// SS D17 PB0 RXLED,SS/PCINT0
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//
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// Connected LEDs on board for TX and RX
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// TXLED D24 PD5 XCK1
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// RXLED D17 PB0
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// HWB PE2 HWB
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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, NOT_A_PORT, (uint16_t)&DDRB, (uint16_t)&DDRC, (uint16_t)&DDRD, (uint16_t)&DDRE, (uint16_t)&DDRF,
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};
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const uint16_t PROGMEM port_to_output_PGM[] = {
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NOT_A_PORT, NOT_A_PORT, (uint16_t)&PORTB, (uint16_t)&PORTC, (uint16_t)&PORTD, (uint16_t)&PORTE, (uint16_t)&PORTF,
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};
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const uint16_t PROGMEM port_to_input_PGM[] = {
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NOT_A_PORT, NOT_A_PORT, (uint16_t)&PINB, (uint16_t)&PINC, (uint16_t)&PIND, (uint16_t)&PINE, (uint16_t)&PINF,
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};
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const uint8_t PROGMEM digital_pin_to_port_PGM[] = {
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PD, // D0 - PD2
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PD, // D1 - PD3
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PD, // D2 - PD1
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PD, // D3 - PD0
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PD, // D4 - PD4
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PC, // D5 - PC6
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PD, // D6 - PD7
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PE, // D7 - PE6
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PB, // D8 - PB4
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PB, // D9 - PB5
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PB, // D10 - PB6
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PB, // D11 - PB7
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PD, // D12 - PD6
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PC, // D13 - PC7
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PB, // D14 - MISO - PB3
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PB, // D15 - SCK - PB1
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PB, // D16 - MOSI - PB2
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PB, // D17 - SS - PB0
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PF, // D18 - A0 - PF7
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PF, // D19 - A1 - PF6
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PF, // D20 - A2 - PF5
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PF, // D21 - A3 - PF4
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PF, // D22 - A4 - PF1
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PF, // D23 - A5 - PF0
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PD, // D24 - PD5
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PD, // D25 / D6 - A7 - PD7
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PB, // D26 / D8 - A8 - PB4
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PB, // D27 / D9 - A9 - PB5
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PB, // D28 / D10 - A10 - PB6
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PD, // D29 / D12 - A11 - PD6
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};
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const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[] = {
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_BV(2), // D0 - PD2
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_BV(3), // D1 - PD3
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_BV(1), // D2 - PD1
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_BV(0), // D3 - PD0
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_BV(4), // D4 - PD4
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_BV(6), // D5 - PC6
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_BV(7), // D6 - PD7
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_BV(6), // D7 - PE6
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_BV(4), // D8 - PB4
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_BV(5), // D9 - PB5
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_BV(6), // D10 - PB6
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_BV(7), // D11 - PB7
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_BV(6), // D12 - PD6
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_BV(7), // D13 - PC7
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_BV(3), // D14 - MISO - PB3
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_BV(1), // D15 - SCK - PB1
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_BV(2), // D16 - MOSI - PB2
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_BV(0), // D17 - SS - PB0
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_BV(7), // D18 - A0 - PF7
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_BV(6), // D19 - A1 - PF6
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_BV(5), // D20 - A2 - PF5
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_BV(4), // D21 - A3 - PF4
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_BV(1), // D22 - A4 - PF1
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_BV(0), // D23 - A5 - PF0
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_BV(5), // D24 - PD5
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_BV(7), // D25 / D6 - A7 - PD7
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_BV(4), // D26 / D8 - A8 - PB4
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_BV(5), // D27 / D9 - A9 - PB5
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_BV(6), // D28 / D10 - A10 - PB6
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_BV(6), // D29 / D12 - A11 - PD6
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};
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const uint8_t PROGMEM digital_pin_to_timer_PGM[] = {
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NOT_ON_TIMER, NOT_ON_TIMER, NOT_ON_TIMER, TIMER0B, /* 3 */
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NOT_ON_TIMER, TIMER3A, /* 5 */
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TIMER4D, /* 6 */
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NOT_ON_TIMER,
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NOT_ON_TIMER, TIMER1A, /* 9 */
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TIMER1B, /* 10 */
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TIMER0A, /* 11 */
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NOT_ON_TIMER, TIMER4A, /* 13 */
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NOT_ON_TIMER, NOT_ON_TIMER, NOT_ON_TIMER, NOT_ON_TIMER, NOT_ON_TIMER, NOT_ON_TIMER,
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NOT_ON_TIMER, NOT_ON_TIMER, NOT_ON_TIMER, NOT_ON_TIMER, NOT_ON_TIMER, NOT_ON_TIMER, NOT_ON_TIMER, NOT_ON_TIMER, NOT_ON_TIMER, NOT_ON_TIMER,
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};
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const uint8_t PROGMEM analog_pin_to_channel_PGM[] = {
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7, // A0 PF7 ADC7
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6, // A1 PF6 ADC6
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5, // A2 PF5 ADC5
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4, // A3 PF4 ADC4
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1, // A4 PF1 ADC1
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0, // A5 PF0 ADC0
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8, // A6 D4 PD4 ADC8
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10, // A7 D6 PD7 ADC10
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11, // A8 D8 PB4 ADC11
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12, // A9 D9 PB5 ADC12
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13, // A10 D10 PB6 ADC13
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9 // A11 D12 PD6 ADC9
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};
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#endif /* ARDUINO_MAIN */
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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_USBVIRTUAL Serial
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#define SERIAL_PORT_HARDWARE Serial1
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#define SERIAL_PORT_HARDWARE_OPEN Serial1
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#endif /* Pins_Arduino_h */
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