MicroAPRS/Modem/cfg/cfg_adc.h

/**
 * \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 for the ADC module.
 *
 * \author Daniele Basile <asterix@develer.com>
 */

#ifndef CFG_ADC_H
#define CFG_ADC_H

/**
 * Module logging level.
 *
 * $WIZ$ type = "enum"
 * $WIZ$ value_list = "log_level"
 */
#define ADC_LOG_LEVEL      LOG_LVL_INFO

/**
 * Module logging format.
 *
 * $WIZ$ type = "enum"
 * $WIZ$ value_list = "log_format"
 */
#define ADC_LOG_FORMAT     LOG_FMT_VERBOSE

/**
 * Clock Frequency for ADC conversion.
 * This frequency will be rounded down to an integer
 * submultiple of CPU_FREQ.
 *
 * $WIZ$ type = "int"
 * $WIZ$ supports = "at91"
 * $WIZ$ max = 5000000
 */
#define CONFIG_ADC_CLOCK        4800000UL

/**
 * Minimum time for starting up a conversion [us].
 *
 * $WIZ$ type = "int"
 * $WIZ$ min = 20
 * $WIZ$ supports = "at91"
 */
#define CONFIG_ADC_STARTUP_TIME 20

/**
 * Minimum time for sample and hold [ns].
 *
 * $WIZ$ type = "int"
 * $WIZ$ min = 600
 * $WIZ$ supports = "at91"
 */
#define CONFIG_ADC_SHTIME       834

/**
 * ADC Voltage Reference.
 *
 * $WIZ$ type = "enum"
 * $WIZ$ value_list = "avr_adc_refs"
 * $WIZ$ supports = "avr"
 */
#define CONFIG_ADC_AVR_REF      ADC_AVR_AVCC

/**
 * ADC clock divisor from main crystal.
 *
 * $WIZ$ type = "int"
 * $WIZ$ min = 2
 * $WIZ$ max = 128
 * $WIZ$ supports = "avr"
 */
#define CONFIG_ADC_AVR_DIVISOR  2

/**
 * Enable ADC strobe for debugging ADC ISR.
 *
 * $WIZ$ type = "boolean"
 */
#define CONFIG_ADC_STROBE  0


/**
 * Start up timer[s] = startup value / ADCClock [Hz]
 *
 * $WIZ$ type = "enum"
 * $WIZ$ value_list = "sam3_adc_sut"
 * $WIZ$ supports = "sam3"
 */
#define CONFIG_ADC_SUT         ADC_SUT512

/**
 * Analog Settling Time[s] = settling value / ADCClock[Hz]
 *
 * $WIZ$ type = "enum"
 * $WIZ$ value_list = "sam3_adc_stt"
 * $WIZ$ supports = "sam3"
 */
#define CONFIG_ADC_STTLING     ADC_AST17

/**
 * Tracking Time[s] = (TRACKTIM + 1) / ADCClock[Hz]
 *
 * $WIZ$ type = "int"
 * $WIZ$ min = 0
 * $WIZ$ supports = "sam3"
 */
#define CONFIG_ADC_TRACKTIM    0

/**
 * Transfer Period[s] = (TRANSFER * 2 + 3) ADCClock[Hz]
 *
 * $WIZ$ type = "int"
 * $WIZ$ min = 0
 * $WIZ$ supports = "sam3"
 */
#define CONFIG_ADC_TRANSFER    1

#endif /* CFG_ADC_H */