| /* | |
| * (C) Copyright 2001 | |
| * Erik Theisen, Wave 7 Optics, etheisen@mindspring.com. | |
| * | |
| * See file CREDITS for list of people who contributed to this | |
| * project. | |
| * | |
| * This program 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., 59 Temple Place, Suite 330, Boston, | |
| * MA 02111-1307 USA | |
| */ | |
| /* | |
| * Digital Thermometers and Thermostats. | |
| */ | |
| #ifndef _DTT_H_ | |
| #define _DTT_H_ | |
| #if defined(CONFIG_DTT_LM75) || \ | |
| defined(CONFIG_DTT_DS1621) || \ | |
| defined(CONFIG_DTT_ADM1021) | |
| #define CONFIG_DTT /* We have a DTT */ | |
| #ifndef CONFIG_DTT_ADM1021 | |
| #define DTT_COMMERCIAL_MAX_TEMP 70 /* 0 - +70 C */ | |
| #define DTT_INDUSTRIAL_MAX_TEMP 85 /* -40 - +85 C */ | |
| #define DTT_AUTOMOTIVE_MAX_TEMP 105 /* -40 - +105 C */ | |
| #ifndef CFG_DTT_MAX_TEMP | |
| #define CFG_DTT_MAX_TEMP DTT_COMMERCIAL_MAX_TEMP | |
| #endif | |
| #ifndef CFG_DTT_HYSTERESIS | |
| #define CFG_DTT_HYSTERESIS 5 /* 5 C */ | |
| #endif | |
| #endif /* CONFIG_DTT_ADM1021 */ | |
| extern int dtt_init (void); | |
| extern int dtt_read(int sensor, int reg); | |
| extern int dtt_write(int sensor, int reg, int val); | |
| extern int dtt_get_temp(int sensor); | |
| #endif | |
| #if defined(CONFIG_DTT_LM75) | |
| #define DTT_READ_TEMP 0x0 | |
| #define DTT_CONFIG 0x1 | |
| #define DTT_TEMP_HYST 0x2 | |
| #define DTT_TEMP_SET 0x3 | |
| #endif | |
| #if defined(CONFIG_DTT_DS1621) | |
| #define DTT_READ_TEMP 0xAA | |
| #define DTT_READ_COUNTER 0xA8 | |
| #define DTT_READ_SLOPE 0xA9 | |
| #define DTT_WRITE_START_CONV 0xEE | |
| #define DTT_WRITE_STOP_CONV 0x22 | |
| #define DTT_TEMP_HIGH 0xA1 | |
| #define DTT_TEMP_LOW 0xA2 | |
| #define DTT_CONFIG 0xAC | |
| #endif | |
| #if defined(CONFIG_DTT_ADM1021) | |
| #define DTT_READ_LOC_VALUE 0x00 | |
| #define DTT_READ_REM_VALUE 0x01 | |
| #define DTT_READ_STATUS 0x02 | |
| #define DTT_READ_CONFIG 0x03 | |
| #define DTT_READ_CONVRATE 0x04 | |
| #define DTT_READ_LOC_HIGHLIM 0x05 | |
| #define DTT_READ_LOC_LOWLIM 0x06 | |
| #define DTT_READ_REM_HIGHLIM 0x07 | |
| #define DTT_READ_REM_LOWLIM 0x08 | |
| #define DTT_READ_DEVID 0xfe | |
| #define DTT_WRITE_CONFIG 0x09 | |
| #define DTT_WRITE_CONVRATE 0x0a | |
| #define DTT_WRITE_LOC_HIGHLIM 0x0b | |
| #define DTT_WRITE_LOC_LOWLIM 0x0c | |
| #define DTT_WRITE_REM_HIGHLIM 0x0d | |
| #define DTT_WRITE_REM_LOWLIM 0x0e | |
| #define DTT_WRITE_ONESHOT 0x0f | |
| #define DTT_STATUS_BUSY 0x80 /* 1=ADC Converting */ | |
| #define DTT_STATUS_LHIGH 0x40 /* 1=Local High Temp Limit Tripped */ | |
| #define DTT_STATUS_LLOW 0x20 /* 1=Local Low Temp Limit Tripped */ | |
| #define DTT_STATUS_RHIGH 0x10 /* 1=Remote High Temp Limit Tripped */ | |
| #define DTT_STATUS_RLOW 0x08 /* 1=Remote Low Temp Limit Tripped */ | |
| #define DTT_STATUS_OPEN 0x04 /* 1=Remote Sensor Open-Circuit */ | |
| #define DTT_CONFIG_ALERT_MASKED 0x80 /* 0=ALERT Enabled, 1=ALERT Masked */ | |
| #define DTT_CONFIG_STANDBY 0x40 /* 0=Run, 1=Standby */ | |
| #define DTT_ADM1021_DEVID 0x41 | |
| #endif | |
| #endif /* _DTT_H_ */ |