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Revision 5

implemented functions for 1st part

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timer.c
6 6
#include "i8254.h"
7 7

  
8 8
int (timer_set_frequency)(uint8_t timer, uint32_t freq) {
9
  /* To be implemented by the students */
10
  printf("%s is not yet implemented!\n", __func__);
9
    /* To be implemented by the students */
10
    printf("%s is not yet implemented!\n", __func__);
11 11

  
12
  return 1;
12
    return 1;
13 13
}
14 14

  
15 15
int (timer_subscribe_int)(uint8_t *bit_no) {
16 16
    /* To be implemented by the students */
17
  printf("%s is not yet implemented!\n", __func__);
17
    printf("%s is not yet implemented!\n", __func__);
18 18

  
19
  return 1;
19
    return 1;
20 20
}
21 21

  
22 22
int (timer_unsubscribe_int)() {
23
  /* To be implemented by the students */
24
  printf("%s is not yet implemented!\n", __func__);
23
    /* To be implemented by the students */
24
    printf("%s is not yet implemented!\n", __func__);
25 25

  
26
  return 1;
26
    return 1;
27 27
}
28 28

  
29 29
void (timer_int_handler)() {
30
  /* To be implemented by the students */
31
  printf("%s is not yet implemented!\n", __func__);
30
    /* To be implemented by the students */
31
    printf("%s is not yet implemented!\n", __func__);
32 32
}
33 33

  
34 34
int (timer_get_conf)(uint8_t timer, uint8_t *st) {
35
  /* To be implemented by the students */
36
  printf("%s is not yet implemented!\n", __func__);
35
    int write_port = TIMER_CTRL;
36
    u32_t cmd = TIMER_RB_CMD | TIMER_RB_COUNT_ | TIMER_RB_SEL(timer);
37
    if(sys_outb(write_port, cmd)) return 1;
37 38

  
38
  return 1;
39
    int read_port;
40
    switch(timer){
41
        case 0: read_port = TIMER_0; break;
42
        case 1: read_port = TIMER_1; break;
43
        case 2: read_port = TIMER_2; break;
44
        default: return 1;      break;
45
    }
46
    if(util_sys_inb(read_port, st)) return 1;
47
    return 0;
39 48
}
40 49

  
41 50
int (timer_display_conf)(uint8_t timer, uint8_t st,
42
                        enum timer_status_field field) {
43
  /* To be implemented by the students */
44
  printf("%s is not yet implemented!\n", __func__);
51
    enum timer_status_field field) {
52
        /* To be implemented by the students */
53
        printf("%s is not yet implemented!\n", __func__);
45 54

  
46
  return 1;
47
}
55
        return 1;
56
    }

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