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+/*
+ * c't-Sim - Robotersimulator fuer den c't-Bot
+ *
+ * This program is free software; you can redistribute it
+ * and/or modify it under the terms of the GNU General
+ * Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ * This program 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 General Public License for more details.
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307, USA.
+ *
+ */
+
+/*! @file adc.h
+ * @brief Routinen zum Einlesen der Analogeingaenge
+ * @author Benjamin Benz (bbe@heise.de)
+ * @date 26.12.05
+*/
+#ifndef ADC_H_
+#define ADC_H_
+
+#include "global.h"
+
+/*!
+ * Liest einen analogen Kanal aus
+ * @param channel Kanal - hex-Wertigkeit des Pins (0x01 fuer PA0; 0x02 fuer PA1, ..)
+ */
+uint16 adc_read(uint8 channel);
+
+/*!
+ * Wechselt einen ADU-kanal. Dafuer muessen auch die Puffer zurueckgesetzt werden
+ * @param channel Kanal - hex-Wertigkeit des Pins (0x01 fuer PA0; 0x02 fuer PA1, ..)
+ */
+void adc_select_channel(uint8 channel);
+
+/*!
+ * Diese Routine wird vom Timer-Interrupt aufgerufen und speichert einen
+ * Messwert (vorher wendet sie evtl. noch eine Filterfunktion an).
+ */
+void adc_isr(void);
+
+/*!
+ * Initialisert den AD-Umsetzer.
+ * @param channel fuer jeden Kanal, den man nutzen moechte,
+ * muss das entsprechende Bit in channel gesetzt sein.
+ * Bit0 = Kanal 0 usw.
+ */
+void adc_init(uint8 channel);
+#endif