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Diffstat (limited to 'lib/arduino-minimus32/pins_arduino.h')
| -rw-r--r-- | lib/arduino-minimus32/pins_arduino.h | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/lib/arduino-minimus32/pins_arduino.h b/lib/arduino-minimus32/pins_arduino.h new file mode 100644 index 0000000..7e2cd8f --- /dev/null +++ b/lib/arduino-minimus32/pins_arduino.h @@ -0,0 +1,246 @@ +/* + 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> + +#define NUM_ANALOG_INPUTS 0 +#define NUM_DIGITAL_PINS 24 + +// We only have a small USB buffer +#define USB_EP_SIZE 16 + +extern uint8_t usb_rxtx_leds; +static inline void +usb_rxtx_update_leds(uint8_t state, uint8_t mask) +{ + if (usb_rxtx_leds & 0x80) + return; + usb_rxtx_leds = (usb_rxtx_leds & ~mask) | (state & mask); + if (usb_rxtx_leds) + PORTD &= ~(1<<6); + else + PORTD |= 1<<6; +} + +#define USB_RXTX_LED_PIN 7 + +// Use LED A (D7 - PD6) for USB activity +#define TX_RX_LED_INIT DDRD |= (1<<6), PORTD |= (1<<6) +#define TXLED0 usb_rxtx_update_leds(0, 1) +#define TXLED1 usb_rxtx_update_leds(1, 1) +#define RXLED0 usb_rxtx_update_leds(0, 2) +#define RXLED1 usb_rxtx_update_leds(2, 2) + +static const uint8_t SS = 9; +static const uint8_t MOSI = 12; +static const uint8_t MISO = 13; +static const uint8_t SCK = 10; + +extern const uint8_t PROGMEM pin_to_pcint_PGM[24]; +#define digitalPinToPCICR(p) ((pgm_read_byte(pin_to_pcint_PGM + (p)) < 12) ? &PCICR : (uint8_t *)0) +#define digitalPinToPCICRbit(p) (pgm_read_byte(pin_to_pcint_PGM + (p)) >> 3) +#define digitalPinToPCMSK(p) ((pgm_read_byte(pin_to_pcint_PGM + (p)) < 8) ? &PCMSK0 : &PCMSK1) +#define digitalPinToPCMSKbit(p) (pgm_read_byte(pin_to_pcint_PGM + (p)) & 7) + +#define analogPinToChannel(P) ( -1 ) + +#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 ATMEGA32U2 / Minimus 32 +// +// Pins numbered counter-clockwise starting from USB connector +// +// D0 PC2 PCINT11 +// D1# PD0 OC0B +// D2 PD1 +// D3 PD2 RX +// D4 PD3 TX +// D5 PD4 +// D6 PD5 LEB B (Blue) +// D7 PD6 LED A (Red/USB) +// D8 PD7 HWB +// D9 PB0 SS/PCINT0 +// D10 PB1 SCK/PCINT1 +// [D11] GND +// +// D12 PB2 MOSI/PCINT2 +// D13 PB3 MISO/PCINT3 +// D14 PB4 PCINT4 +// D15 PB5 PCINT5 +// D16 PB6 PCINT6 +// D17# PB7 PCINT7/OC0A/OC1C +// D18 PC7 +// D19# PC6 PCINT8/OC1A +// [D20] !RESET +// D21# PC5 PCINT9/OC1B +// D22 PC4 PCINT10 +// [D23] VCC + +const uint8_t PROGMEM pin_to_pcint_PGM[24] = { + 11, // D0 - PC2 + 0xff, // D1 - PD0 + 0xff, // D2 - PD1 + 0xff, // D3 - PD2 + 0xff, // D4 - PD3 + 0xff, // D5 - PD4 + 0xff, // D6 - PD5 + 0xff, // D7 - PD6 + 0xff, // D8 - PD7 + 0, // D9 - PB0 + 1, // D10 - PB1 + 0xff, // GND + 2, // D12 - PB2 + 3, // D13 - PB3 + 4, // D14 - PB4 + 5, // D15 - PB5 + 6, // D16 - PB6 + 7, // D17 - PB7 + 0xff, // D18 - PC7 + 8, // D19 - PC6 + 0xff, // !RESET + 9, // D21 - PC5 + 10, // D22 - PC4 + 0xff // VCC +}; + +// 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[24] = { + PC, // D0 - PC2 + PD, // D1 - PD0 + PD, // D2 - PD1 + PD, // D3 - PD2 + PD, // D4 - PD3 + PD, // D5 - PD4 + PD, // D6 - PD5 + PD, // D7 - PD6 + PD, // D8 - PD7 + PB, // D9 - PB0 + PB, // D10 - PB1 + NOT_A_PIN, // GND + PB, // D12 - PB2 + PB, // D13 - PB3 + PB, // D14 - PB4 + PB, // D15 - PB5 + PB, // D16 - PB6 + PB, // D17 - PB7 + PC, // D18 - PC7 + PC, // D19 - PC6 + NOT_A_PIN, // !RESET + PC, // D21 - PC5 + PC, // D22 - PC4 + NOT_A_PIN // VCC +}; + +const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[24] = { + _BV(2), // D0 - PC2 + _BV(0), // D1 - PD0 + _BV(1), // D2 - PD1 + _BV(2), // D3 - PD2 + _BV(3), // D4 - PD3 + _BV(4), // D5 - PD4 + _BV(5), // D6 - PD5 + _BV(6), // D7 - PD6 + _BV(7), // D8 - PD7 + _BV(0), // D9 - PB0 + _BV(1), // D10 - PB1 + 0, // GND + _BV(2), // D12 - PB2 + _BV(3), // D13 - PB3 + _BV(4), // D14 - PB4 + _BV(5), // D15 - PB5 + _BV(6), // D16 - PB6 + _BV(7), // D17 - PB7 + _BV(7), // D18 - PC7 + _BV(6), // D19 - PC6 + 0, // !RESET + _BV(5), // D21 - PC5 + _BV(4), // D22 - PC4 + 0, // VCC +}; + +const uint8_t PROGMEM digital_pin_to_timer_PGM[24] = { + NOT_ON_TIMER, + TIMER0B, /* 1 */ + 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, + + NOT_ON_TIMER, + NOT_ON_TIMER, + NOT_ON_TIMER, + NOT_ON_TIMER, + NOT_ON_TIMER, + TIMER0A, /* 17 */ + NOT_ON_TIMER, + TIMER1A, /* 19 */ + NOT_ON_TIMER, + TIMER1B, /* 21 */ + NOT_ON_TIMER, + NOT_ON_TIMER, +}; + +uint8_t usb_rxtx_leds; + +#endif /* ARDUINO_MAIN */ +#endif /* Pins_Arduino_h */ |