Revision 9
minor changes
| lab2/timer.c | ||
|---|---|---|
| 32 | 32 |
} |
| 33 | 33 |
|
| 34 | 34 |
int (timer_get_conf)(uint8_t timer, uint8_t *st) {
|
| 35 |
// Write read-back command to TIMER_CTRL |
|
| 35 | 36 |
int write_port = TIMER_CTRL; |
| 36 | 37 |
u32_t cmd = TIMER_RB_CMD | TIMER_RB_COUNT_ | TIMER_RB_SEL(timer); |
| 37 | 38 |
if(sys_outb(write_port, cmd)) return 1; |
| ... | ... | |
| 53 | 54 |
if(field == tsf_all || field == tsf_initial){
|
| 54 | 55 |
in_mode = (st & TIMER_INMODE_MASK) >> TIMER_INMODE_POS; |
| 55 | 56 |
switch(in_mode){
|
| 56 |
case 0: conf.in_mode = INVAL_val ; break; |
|
| 57 |
case 1: conf.in_mode = LSB_only ; break; |
|
| 58 |
case 2: conf.in_mode = MSB_only ; break; |
|
| 59 |
case 3: conf.in_mode = MSB_after_LSB; break; |
|
| 57 |
case 0: conf.in_mode = INVAL_val ; break; //000
|
|
| 58 |
case 1: conf.in_mode = LSB_only ; break; //001
|
|
| 59 |
case 2: conf.in_mode = MSB_only ; break; //010
|
|
| 60 |
case 3: conf.in_mode = MSB_after_LSB; break; //011
|
|
| 60 | 61 |
default: return 1; break; |
| 61 | 62 |
} |
| 62 | 63 |
if(timer_print_config(timer, field, conf)) return 1; |
| lab2/utils.c | ||
|---|---|---|
| 21 | 21 |
/* To be implemented by the students */ |
| 22 | 22 |
if(value == NULL) return 1; |
| 23 | 23 |
uint32_t n = 0; |
| 24 |
int ret = sys_inb(port, &n);
|
|
| 24 |
if(sys_inb(port, &n)) return 1;
|
|
| 25 | 25 |
*value = n; |
| 26 |
return ret;
|
|
| 26 |
return 0;
|
|
| 27 | 27 |
} |
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