/*--------------------------------------------------------------------------- * Copyright (C) 1999,2000 Dallas Semiconductor Corporation, All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL DALLAS SEMICONDUCTOR BE LIABLE FOR ANY CLAIM, DAMAGES * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Except as contained in this notice, the name of Dallas Semiconductor * shall not be used except as stated in the Dallas Semiconductor * Branding Policy. *--------------------------------------------------------------------------- */ package com.dalsemi.onewire.adapter; /** UParameterSettings contains the parameter settings state for one * speed on the DS2480 based iButton COM port adapter. * * @version 0.00, 28 Aug 2000 * @author DS */ class UParameterSettings { //-------- //-------- Finals //-------- // Parameter selection /** Parameter selection, pull-down slew rate */ public static final char PARAMETER_SLEW = 0x10; /** Parameter selection, 12 volt pulse time */ public static final char PARAMETER_12VPULSE = 0x20; /** Parameter selection, 5 volt pulse time */ public static final char PARAMETER_5VPULSE = 0x30; /** Parameter selection, write 1 low time */ public static final char PARAMETER_WRITE1LOW = 0x40; /** Parameter selection, sample offset */ public static final char PARAMETER_SAMPLEOFFSET = 0x50; /** Parameter selection, baud rate */ public static final char PARAMETER_BAUDRATE = 0x70; // Pull down slew rate times /** Pull down slew rate, 15V/us */ public static final char SLEWRATE_15Vus = 0x00; /** Pull down slew rate, 2.2V/us */ public static final char SLEWRATE_2p2Vus = 0x02; /** Pull down slew rate, 1.65V/us */ public static final char SLEWRATE_1p65Vus = 0x04; /** Pull down slew rate, 1.37V/us */ public static final char SLEWRATE_1p37Vus = 0x06; /** Pull down slew rate, 1.1V/us */ public static final char SLEWRATE_1p1Vus = 0x08; /** Pull down slew rate, 0.83V/us */ public static final char SLEWRATE_0p83Vus = 0x0A; /** Pull down slew rate, 0.7V/us */ public static final char SLEWRATE_0p7Vus = 0x0C; /** Pull down slew rate, 0.55V/us */ public static final char SLEWRATE_0p55Vus = 0x0E; // 12 Volt programming pulse times /** 12 Volt programming pulse, time 32us */ public static final char TIME12V_32us = 0x00; /** 12 Volt programming pulse, time 64us */ public static final char TIME12V_64us = 0x02; /** 12 Volt programming pulse, time 128us */ public static final char TIME12V_128us = 0x04; /** 12 Volt programming pulse, time 256us */ public static final char TIME12V_256us = 0x06; /** 12 Volt programming pulse, time 512us */ public static final char TIME12V_512us = 0x08; /** 12 Volt programming pulse, time 1024us */ public static final char TIME12V_1024us = 0x0A; /** 12 Volt programming pulse, time 2048us */ public static final char TIME12V_2048us = 0x0C; /** 12 Volt programming pulse, time (infinite) */ public static final char TIME12V_infinite = 0x0E; // 5 Volt programming pulse times /** 5 Volt programming pulse, time 16.4ms */ public static final char TIME5V_16p4ms = 0x00; /** 5 Volt programming pulse, time 65.5ms */ public static final char TIME5V_65p5ms = 0x02; /** 5 Volt programming pulse, time 131ms */ public static final char TIME5V_131ms = 0x04; /** 5 Volt programming pulse, time 262ms */ public static final char TIME5V_262ms = 0x06; /** 5 Volt programming pulse, time 524ms */ public static final char TIME5V_524ms = 0x08; /** 5 Volt programming pulse, time 1.05s */ public static final char TIME5V_1p05s = 0x0A; /** 5 Volt programming pulse, time 2.10sms */ public static final char TIME5V_2p10s = 0x0C; /** 5 Volt programming pulse, time (infinite) */ public static final char TIME5V_infinite = 0x0E; // Write 1 low time /** Write 1 low time, 8us */ public static final char WRITE1TIME_8us = 0x00; /** Write 1 low time, 9us */ public static final char WRITE1TIME_9us = 0x02; /** Write 1 low time, 10us */ public static final char WRITE1TIME_10us = 0x04; /** Write 1 low time, 11us */ public static final char WRITE1TIME_11us = 0x06; /** Write 1 low time, 12us */ public static final char WRITE1TIME_12us = 0x08; /** Write 1 low time, 13us */ public static final char WRITE1TIME_13us = 0x0A; /** Write 1 low time, 14us */ public static final char WRITE1TIME_14us = 0x0C; /** Write 1 low time, 15us */ public static final char WRITE1TIME_15us = 0x0E; // Data sample offset and write 0 recovery times /** Data sample offset and Write 0 recovery time, 4us */ public static final char SAMPLEOFFSET_TIME_4us = 0x00; /** Data sample offset and Write 0 recovery time, 5us */ public static final char SAMPLEOFFSET_TIME_5us = 0x02; /** Data sample offset and Write 0 recovery time, 6us */ public static final char SAMPLEOFFSET_TIME_6us = 0x04; /** Data sample offset and Write 0 recovery time, 7us */ public static final char SAMPLEOFFSET_TIME_7us = 0x06; /** Data sample offset and Write 0 recovery time, 8us */ public static final char SAMPLEOFFSET_TIME_8us = 0x08; /** Data sample offset and Write 0 recovery time, 9us */ public static final char SAMPLEOFFSET_TIME_9us = 0x0A; /** Data sample offset and Write 0 recovery time, 10us */ public static final char SAMPLEOFFSET_TIME_10us = 0x0C; /** Data sample offset and Write 0 recovery time, 11us */ public static final char SAMPLEOFFSET_TIME_11us = 0x0E; //-------- //-------- Variables //-------- /** * The pull down slew rate for this mode.

* The valid values for this are: *

*/ public char pullDownSlewRate; /** * 12 Volt programming pulse time expressed in micro-seconds. * The valid values for this are: * */ public char pulse12VoltTime; /** * 5 Volt programming pulse time expressed in milli-seconds. * The valid values for this are: * */ public char pulse5VoltTime; /** * Write 1 low time expressed in micro-seconds. * The valid values for this are: * */ public char write1LowTime; /** * Data sample offset and write 0 recovery time expressed in micro-seconds. * The valid values for this are: * */ public char sampleOffsetTime; //-------- //-------- Constructors //-------- /** Parameter Settings constructor. The default values are: *

* pullDownSlewRate = SLEWRATE_1p37Vus;

* pulse12VoltTime = TIME12V_infinite;

* pulse5VoltTime = TIME5V_infinite;

* write1LowTime = WRITE1TIME_8us;

* sampleOffsetTime = SAMPLEOFFSET_TIME_6us;

*/ public UParameterSettings () { pullDownSlewRate = SLEWRATE_1p37Vus; pulse12VoltTime = TIME12V_infinite; pulse5VoltTime = TIME5V_infinite; write1LowTime = WRITE1TIME_8us; sampleOffsetTime = SAMPLEOFFSET_TIME_6us; } }