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intersil.h
Package: linux-2.4.20.tar.gz　[view]
Upload User: jlfgdled
Upload Date: 2013-04-10
Package Size: 33168k
Code Size: 1k
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Linux-Unix program

Development Platform:

Unix_Linux

intersil.h：Code Content
  1. #ifndef _SUN3_INTERSIL_H
  2. #define _SUN3_INTERSIL_H
  3. /* bits 0 and 1 */
  4. #define INTERSIL_FREQ_32K        0x00
  5. #define INTERSIL_FREQ_1M         0x01
  6. #define INTERSIL_FREQ_2M         0x02
  7. #define INTERSIL_FREQ_4M         0x03
  9. /* bit 2 */
  10. #define INTERSIL_12H_MODE   0x00
  11. #define INTERSIL_24H_MODE   0x04
  13. /* bit 3 */
  14. #define INTERSIL_STOP            0x00
  15. #define INTERSIL_RUN             0x08
  17. /* bit 4 */
  18. #define INTERSIL_INT_ENABLE     0x10
  19. #define INTERSIL_INT_DISABLE    0x00
  20.                 
  21. /* bit 5 */
  22. #define INTERSIL_MODE_NORMAL     0x00
  23. #define INTERSIL_MODE_TEST       0x20
  25. #define INTERSIL_HZ_100_MASK  0x02
  27. struct intersil_dt {
  28. unsigned char csec;
  29. unsigned char hour;
  30. unsigned char minute;
  31. unsigned char second;
  32. unsigned char month;
  33. unsigned char day;
  34. unsigned char year;
  35. unsigned char weekday;
  36. };
  38. struct intersil_7170 {
  39. struct intersil_dt counter;
  40. struct intersil_dt alarm;
  41. unsigned char int_reg;
  42. unsigned char cmd_reg;
  43. };
  45. extern volatile char* clock_va;
  46. #define intersil_clock ((volatile struct intersil_7170 *) clock_va)
  47. #define intersil_clear() (void)intersil_clock->int_reg
  48. #endif