From 179fcdbda432ff33a921a70994087b08b2a79caa Mon Sep 17 00:00:00 2001
From: "David A. Mellis" <d.mellis@arduino.cc>
Date: Sat, 6 Oct 2007 13:02:43 +0000
Subject: Moving things around - creating the hardware directory and sticking
 all the avr code, etc. in there.

---
 core/atmega8/pins_atmega8.c | 119 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100755 core/atmega8/pins_atmega8.c

(limited to 'core/atmega8/pins_atmega8.c')

diff --git a/core/atmega8/pins_atmega8.c b/core/atmega8/pins_atmega8.c
new file mode 100755
index 0000000..ed1b2bd
--- /dev/null
+++ b/core/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 <avr/io.h>
+#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