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116 lines
3.5 KiB
C
116 lines
3.5 KiB
C
/**
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* \file
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* <!--
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* This file is part of BeRTOS.
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*
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* Bertos is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* As a special exception, you may use this file as part of a free software
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* library without restriction. Specifically, if other files instantiate
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* templates or use macros or inline functions from this file, or you compile
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* this file and link it with other files to produce an executable, this
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* file does not by itself cause the resulting executable to be covered by
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* the GNU General Public License. This exception does not however
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* invalidate any other reasons why the executable file might be covered by
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* the GNU General Public License.
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*
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* Copyright 2008 Develer S.r.l. (http://www.develer.com/)
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*
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* -->
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*
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* \brief Configuration file Ramp algorithm module.
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*
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* \author Daniele Basile <asterix@develer.com>
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*/
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#ifndef CFG_RAMP_H
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#define CFG_RAMP_H
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/**
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* Define whether the ramp will use floating point calculation within ramp_evaluate().
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* Otherwise, a less precise fixed point version will be used, which is faster on
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* platforms which do no support floating point operations.
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*
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* \note Floating point operations will be always done within ramp_compute() to
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* precalculate values, so there has to be at least a floating point emulation support.
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*
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* $WIZ$ type = "boolean"
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*/
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#define RAMP_USE_FLOATING_POINT 0
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#if !RAMP_USE_FLOATING_POINT
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/**
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* Number of least-significant bits which are stripped away during ramp evaluation.
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* This setting allows to specify larger ramps at the price of less precision.
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*
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* The maximum ramp size allowed is 2^(24 + RAMP_CLOCK_SHIFT_PRECISION), in clocks.
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* For instance, using RAMP_CLOCK_SHIFT_PRECISION 1, and a 8x prescaler, the maximum
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* length of a ramp is about 6.7 secs. Raising RAMP_CLOCK_SHIFT_PRECISION to 2
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* brings the maximum length to 13.4 secs, at the price of less precision.
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*
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* ramp_compute() will check that the length is below the maximum allowed through
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* a runtime assertion.
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*
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* \note This macro is used only for the fixed-point version of the ramp.
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* $WIZ$ type = "int"
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* $WIZ$ min = 0
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* $WIZ$ max = 32
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*/
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#define RAMP_CLOCK_SHIFT_PRECISION 2
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#endif
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/**
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* Negative pulse width for ramp.
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* $WIZ$ type = "int"
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* $WIZ$ min = 1
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*/
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#define RAMP_PULSE_WIDTH 50
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/**
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* Default ramp time (microsecs).
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* $WIZ$ type = "int"
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* $WIZ$ min = 1000
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*/
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#define RAMP_DEF_TIME 6000000UL
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/**
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* Default ramp maxfreq (Hz).
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* $WIZ$ type = "int"
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* $WIZ$ min = 1
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*/
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#define RAMP_DEF_MAXFREQ 5000
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/**
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* Default ramp minfreq (Hz).
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* $WIZ$ type = "int"
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* $WIZ$ min = 1
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*/
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#define RAMP_DEF_MINFREQ 200
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/**
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* Default ramp powerrun (deciampere).
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* $WIZ$ type = "int"
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* $WIZ$ min = 0
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*/
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#define RAMP_DEF_POWERRUN 10
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/**
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* Default ramp poweridle (Hz).
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* $WIZ$ type = "int"
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* $WIZ$ min = 0
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*/
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#define RAMP_DEF_POWERIDLE 1
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#endif /* CFG_RAMP_H */
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