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/*! \file servoconf.h \brief Interrupt-driven RC Servo configuration. */
//*****************************************************************************
//
// File Name : 'servoconf.h'
// Title : Interrupt-driven RC Servo function library
// Author : Pascal Stang - Copyright (C) 2002
// Created : 07/31/2002
// Revised : 09/30/2002
// Version : 1.0
// Target MCU : Atmel AVR Series
// Editor Tabs : 4
//
// NOTE: you need the latest version (3.2+) of the AVR-GCC compiler to use this
// function library. Download it from http://www.avrfreaks.net/AVRGCC
//
// Description : This code allows you to drive up to 8 RC servos from any
// combination of ports and pins on the AVR processor. Using interrupts,
// this code continuously sends control signals to the servo to maintain
// position even while your code is doing other work.
//
// The servoInit and servoOff effectively turn on and turn off servo
// control. When you run ServoInit, it automatically assigns each
// "channel" of servo control to be output on the SERVO_DEFAULT_PORT.
// One "channel" of servo control can control one servo and must be
// assigned single I/O pin for output.
//
// If you're using all eight channels (SERVO_NUM_CHANNELS = 8), then
// then by default the code will use SERVO_DEFAULT_PORT pins 0-7.
// If you're only using four channels, then pins 0-3 will be used by
// default.
//
// The command servoSetChannelIO(channel, port, pin) allows you to
// reassign the output of any channel to any port and I/O pin you
// choose. For exampe, if you have an RC servo connected to PORTC, pin 6,
// and you wish to use channel 2 to control it, use:
//
// servoSerChannelIO( 2, _SFR_IO_ADDR(PORTC), 6)
//
// (NOTE: you must include the "_SRF_IO_ADDR()" part around your port)
//
// The servoSetPostion and servoGetPosition commands allow you to command
// a given servo to your desired position. The position you request must
// lie between the SERVO_MIN and SERVO_MAX limit you defined.
//
// This code is distributed under the GNU Public License
// which can be found at http://www.gnu.org/licenses/gpl.txt
//
//*****************************************************************************
#ifndef SERVOCONF_H
#define SERVOCONF_H
// set number of servo channels (1 to 8)
// This is the number of servos you would like to drive
// Each "Channel" can control one servo and by default will
// map directly to the port pin of the same number on the
// SERVO_DEFAULT_PORT. You can change this default port/pin
// assignment for a given channel to any port/pin you like.
// See the "servoSetChannelIO" function.
#define SERVO_NUM_CHANNELS 4
// set default SERVO output port
// This is the AVR port which you have connected to your servos
// See top of file for how servo "channels" map to port pins
#define SERVO_DEFAULT_PORT PORTB
// set servo characteristics (min and max raw position)
// You must find these by testing using your brand/type of servos.
// The min/max settings will change proportional to F_CPU, the CPU
// clock frequency.
// The numbers below good for parallax servos at an F_CPU of ~8MHz.
//#define SERVO_MAX 71
//#define SERVO_MIN 17
// The numbers below good for parallax servos at an F_CPU of ~14.745MHz.
#define SERVO_MAX 138
#define SERVO_MIN 34
// set servo scaled range
// This sets the scaled position range of the servo. Allowed scaled
// positions are 0 -> SERVO_POSITION_MAX, and correspond to raw
// positions of SERVO_MIN -> SERVO_MAX.
#define SERVO_POSITION_MAX 255
#endif
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