Revision 5
Code corrected
| lab2.c | ||
|---|---|---|
| 52 | 52 |
|
| 53 | 53 |
int(timer_test_time_base)(uint8_t timer, uint32_t freq) {
|
| 54 | 54 |
|
| 55 |
if(timer_set_frequency(timer, freq)==1){ //tests for error
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|
| 55 |
if(timer<0|timer>2){ //tests for error in timer selection
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|
| 56 |
printf("Error selecting timer\n");
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| 57 |
return 1; |
|
| 58 |
} |
|
| 59 |
if(timer_set_frequency(timer, freq)==1){ //tests for error
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|
| 56 | 60 |
printf("Error testing time base\n");
|
| 57 | 61 |
return 1; |
| 58 | 62 |
} |
| ... | ... | |
| 64 | 68 |
uint8_t irq_set; |
| 65 | 69 |
message msg; |
| 66 | 70 |
|
| 71 |
if(timer_set_frequency(0, 60)==1){ //tests for error
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| 72 |
printf("Error setting frequency\n");
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| 73 |
return 1; |
|
| 74 |
} |
|
| 75 |
|
|
| 67 | 76 |
if(timer_subscribe_int(&irq_set)==1){
|
| 68 | 77 |
printf("Error subscribing int\n");
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| 69 | 78 |
return 1; |
| 70 | 79 |
} |
| 71 | 80 |
|
| 72 |
while(count/60.0<time){ //looping until counter reaches the same value as time
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|
| 73 |
if ((r = driver_receive(ANY, &msg, &ipc_status))!=0){
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| 81 |
while(count/sys_hz()<time){ //looping until counter reaches the same value as time
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| 82 |
if ((r = driver_receive(ANY, &msg, &ipc_status))==1){
|
|
| 74 | 83 |
printf("driver_receive failed with: %d",r);
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| 75 | 84 |
continue; |
| 76 | 85 |
} |
| ... | ... | |
| 81 | 90 |
|
| 82 | 91 |
timer_int_handler(); |
| 83 | 92 |
|
| 84 |
if((count%60)==0){
|
|
| 93 |
if((count%sys_hz())==0){
|
|
| 85 | 94 |
timer_print_elapsed_time(); //prints message each second; |
| 86 | 95 |
} |
| 87 | 96 |
} |
| ... | ... | |
| 91 | 100 |
} |
| 92 | 101 |
} |
| 93 | 102 |
else { //received a standard message, not a notification
|
| 94 |
//no standard messages expected: do nothing
|
|
| 103 |
//no standard messages expected: do nothing |
|
| 95 | 104 |
} |
| 96 | 105 |
} |
| 97 | 106 |
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