dtt.h 1.8 KB

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  1. /*
  2. * (C) Copyright 2001
  3. * Erik Theisen, Wave 7 Optics, etheisen@mindspring.com.
  4. *
  5. * See file CREDITS for list of people who contributed to this
  6. * project.
  7. *
  8. * This program is free software; you can redistribute it and/or
  9. * modify it under the terms of the GNU General Public License as
  10. * published by the Free Software Foundation; either version 2 of
  11. * the License, or (at your option) any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program; if not, write to the Free Software
  20. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21. * MA 02111-1307 USA
  22. */
  23. /*
  24. * Digital Thermometers and Thermostats.
  25. */
  26. #ifndef _DTT_H_
  27. #define _DTT_H_
  28. #if defined(CONFIG_DTT_ADM1021) || \
  29. defined(CONFIG_DTT_ADT7460) || \
  30. defined(CONFIG_DTT_DS1621) || \
  31. defined(CONFIG_DTT_DS1775) || \
  32. defined(CONFIG_DTT_LM63) || \
  33. defined(CONFIG_DTT_LM73) || \
  34. defined(CONFIG_DTT_LM75) || \
  35. defined(CONFIG_DTT_LM81)
  36. #define CONFIG_DTT /* We have a DTT */
  37. #ifndef CONFIG_DTT_ADM1021
  38. #define DTT_COMMERCIAL_MAX_TEMP 70 /* 0 - +70 C */
  39. #define DTT_INDUSTRIAL_MAX_TEMP 85 /* -40 - +85 C */
  40. #define DTT_AUTOMOTIVE_MAX_TEMP 105 /* -40 - +105 C */
  41. #ifndef CONFIG_SYS_DTT_MAX_TEMP
  42. #define CONFIG_SYS_DTT_MAX_TEMP DTT_COMMERCIAL_MAX_TEMP
  43. #endif
  44. #ifndef CONFIG_SYS_DTT_HYSTERESIS
  45. #define CONFIG_SYS_DTT_HYSTERESIS 5 /* 5 C */
  46. #endif
  47. #endif /* CONFIG_DTT_ADM1021 */
  48. extern int dtt_init (void);
  49. extern int dtt_read(int sensor, int reg);
  50. extern int dtt_write(int sensor, int reg, int val);
  51. extern int dtt_get_temp(int sensor);
  52. #endif
  53. #endif /* _DTT_H_ */