From 5f3976696ddf5d02ea7e6f805ce655e1f281e6ed Mon Sep 17 00:00:00 2001 From: "David A. Mellis" Date: Sat, 6 Oct 2007 14:47:50 +0000 Subject: Moving hardware/targets to hardware/cores. --- cores/atmega8/pins_atmega8.c | 119 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 119 insertions(+) create mode 100755 cores/atmega8/pins_atmega8.c (limited to 'cores/atmega8') diff --git a/cores/atmega8/pins_atmega8.c b/cores/atmega8/pins_atmega8.c new file mode 100755 index 0000000..ed1b2bd --- /dev/null +++ b/cores/atmega8/pins_atmega8.c @@ -0,0 +1,119 @@ +/* + pin_atmega8.c - pin definitions for the atmega8 + Part of Arduino / Wiring Lite + + Copyright (c) 2005 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 + + $Id$ +*/ + +#include +#include "wiring.h" + +// We map the pin numbers passed to digitalRead() or +// analogRead() directly to the corresponding pin +// numbers on the Atmega8. No distinction is made +// between analog and digital pins. + +// ATMEL ATMEGA8 +// +// +-\/-+ +// PC6 1| |28 PC5 +// PD0 2| |27 PC4 +// PD1 3| |26 PC3 +// PD2 4| |25 PC2 +// PD3 5| |24 PC1 +// PD4 6| |23 PC0 +// VCC 7| |22 GND +// GND 8| |21 AREF +// PB6 9| |20 AVCC +// PB7 10| |19 PB5 +// PD5 11| |18 PB4 +// PD6 12| |17 PB3 +// PD7 13| |16 PB2 +// PB0 14| |15 PB1 +// +----+ + +#define NUM_PINS 28 +#define NUM_PORTS 4 + +#define PB 2 +#define PC 3 +#define PD 4 + +int port_to_mode[NUM_PORTS + 1] = { + NOT_A_PORT, + NOT_A_PORT, + _SFR_IO_ADDR(DDRB), + _SFR_IO_ADDR(DDRC), + _SFR_IO_ADDR(DDRD), +}; + +int port_to_output[NUM_PORTS + 1] = { + NOT_A_PORT, + NOT_A_PORT, + _SFR_IO_ADDR(PORTB), + _SFR_IO_ADDR(PORTC), + _SFR_IO_ADDR(PORTD), +}; + +int port_to_input[NUM_PORTS + 1] = { + NOT_A_PORT, + NOT_A_PORT, + _SFR_IO_ADDR(PINB), + _SFR_IO_ADDR(PINC), + _SFR_IO_ADDR(PIND), +}; + +pin_t digital_pin_to_port_array[] = { + { NOT_A_PIN, NOT_A_PIN }, + + { PC, 6 }, + { PD, 0 }, + { PD, 1 }, + { PD, 2 }, + { PD, 3 }, + { PD, 4 }, + { NOT_A_PIN, NOT_A_PIN }, + { NOT_A_PIN, NOT_A_PIN }, + { PB, 6 }, + { PB, 7 }, + { PD, 5 }, + { PD, 6 }, + { PD, 7 }, + { PB, 0 }, + + { PB, 1 }, + { PB, 2 }, + { PB, 3 }, + { PB, 4 }, + { PB, 5 }, + { NOT_A_PIN, NOT_A_PIN }, + { NOT_A_PIN, NOT_A_PIN }, + { NOT_A_PIN, NOT_A_PIN }, + { PC, 0 }, + { PC, 1 }, + { PC, 2 }, + { PC, 3 }, + { PC, 4 }, + { PC, 5 }, +}; + +pin_t *digital_pin_to_port = digital_pin_to_port_array; +pin_t *analog_in_pin_to_port = digital_pin_to_port_array; +pin_t *analog_out_pin_to_port = digital_pin_to_port_array; -- cgit v1.2.3-18-g5258