From 5f3976696ddf5d02ea7e6f805ce655e1f281e6ed Mon Sep 17 00:00:00 2001
From: "David A. Mellis" <d.mellis@arduino.cc>
Date: Sat, 6 Oct 2007 14:47:50 +0000
Subject: Moving hardware/targets to hardware/cores.

---
 cores/arduino/pins_arduino.h | 65 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 cores/arduino/pins_arduino.h

(limited to 'cores/arduino/pins_arduino.h')

diff --git a/cores/arduino/pins_arduino.h b/cores/arduino/pins_arduino.h
new file mode 100644
index 0000000..e0b7add
--- /dev/null
+++ b/cores/arduino/pins_arduino.h
@@ -0,0 +1,65 @@
+/*
+  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 NOT_A_PIN 0
+#define NOT_A_PORT 0
+
+#define NOT_ON_TIMER 0
+#define TIMER0A 1
+#define TIMER0B 2
+#define TIMER1A 3
+#define TIMER1B 4
+#define TIMER2  5
+#define TIMER2A 6
+#define TIMER2B 7
+
+extern const uint8_t PROGMEM port_to_mode_PGM[];
+extern const uint8_t PROGMEM port_to_input_PGM[];
+extern const uint8_t PROGMEM port_to_output_PGM[];
+
+extern const uint8_t PROGMEM digital_pin_to_port_PGM[];
+extern const uint8_t PROGMEM digital_pin_to_bit_PGM[];
+extern const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[];
+
+extern const uint8_t PROGMEM digital_pin_to_timer_PGM[];
+
+// Get the bit location within the hardware port of the given virtual pin.
+// This comes from the pins_*.c file for the active board configuration.
+// 
+// These perform slightly better as macros compared to inline functions
+//
+#define digitalPinToPort(P) ( pgm_read_byte( digital_pin_to_port_PGM + (P) ) )
+#define digitalPinToBitMask(P) ( pgm_read_byte( digital_pin_to_bit_mask_PGM + (P) ) )
+#define digitalPinToTimer(P) ( pgm_read_byte( digital_pin_to_timer_PGM + (P) ) )
+#define analogInPinToBit(P) (P)
+#define portOutputRegister(P) ( (volatile uint8_t *)( pgm_read_byte( port_to_output_PGM + (P))) )
+#define portInputRegister(P) ( (volatile uint8_t *)( pgm_read_byte( port_to_input_PGM + (P))) )
+#define portModeRegister(P) ( (volatile uint8_t *)( pgm_read_byte( port_to_mode_PGM + (P))) )
+
+#endif
-- 
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