root / lab2 / lab2.c @ 20
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#include <lcom/lcf.h> |
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#include <lcom/lab2.h> |
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#include <stdbool.h> |
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#include <stdint.h> |
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int no_interrupts = 0; |
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int main(int argc, char *argv[]) { |
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// sets the language of LCF messages (can be either EN-US or PT-PT)
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lcf_set_language("EN-US");
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// enables to log function invocations that are being "wrapped" by LCF
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// [comment this out if you don't want/need it]
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lcf_trace_calls("/home/lcom/labs/lab2/trace.txt");
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// enables to save the output of printf function calls on a file
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// [comment this out if you don't want/need it]
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lcf_log_output("/home/lcom/labs/lab2/output.txt");
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// handles control over to LCF
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// [LCF handles command line arguments and invokes the right function]
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if (lcf_start(argc, argv))
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return 1; |
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// LCF clean up tasks
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// [must be the last statement before return]
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lcf_cleanup(); |
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return 0; |
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} |
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int(timer_test_read_config)(uint8_t timer, enum timer_status_field field){ |
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uint8_t state = 0;
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if(timer_get_conf(timer, &state)) return 1; |
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if(timer_display_conf(timer, state, field)) return 1; |
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return 0; |
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} |
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int(timer_test_time_base)(uint8_t timer, uint32_t freq) {
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if (timer_set_frequency(timer, freq)) return 1; |
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return 0; |
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} |
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int(timer_test_int)(uint8_t time) {
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int ipc_status, r;
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message msg; |
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uint8_t hook = 0;
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int no_interrupts = 0; |
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int freq = 60; // better way to get the frequency of the timer???? |
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timer_subscribe_int(&hook); |
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while (no_interrupts < time * freq) {
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/* Get a request message. */
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if ((r = driver_receive(ANY, &msg, &ipc_status)) != 0) { |
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printf("driver_receive failed with %d", r);
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continue;
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} |
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if (is_ipc_notify(ipc_status)) { /* received notification */ |
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switch (_ENDPOINT_P(msg.m_source)) {
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case HARDWARE: /* hardware interrupt notification */ |
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if (msg.m_notify.interrupts & irq_set) { /* subscribed interrupt */ |
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timer_int_handler(); |
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} |
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break;
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default:
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break; /* no other notifications expected: do nothing */ |
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} |
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} else { /* received standart message, not a notification */ |
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/* no standart message expected: do nothing */
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} |
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if (!(no_interrupts % freq))
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timer_print_elapsed_time(); |
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} |
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timer_unsubscribe_int(&hook); |
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return 0; |
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} |