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