root / lab3 / lab3.c @ 265
History | View | Annotate | Download (4.99 KB)
| 1 | 30 | up20180655 | #include <lcom/lcf.h> |
|---|---|---|---|
| 2 | #include <lcom/lab3.h> |
||
| 3 | |||
| 4 | #include <stdbool.h> |
||
| 5 | #include <stdint.h> |
||
| 6 | |||
| 7 | #include "kbc.h" |
||
| 8 | 60 | up20180642 | #include "kbc_macros.h" |
| 9 | #include "keyboard.h" |
||
| 10 | #include "timer.h" |
||
| 11 | #include "utils.h" |
||
| 12 | 30 | up20180655 | |
| 13 | int main(int argc, char *argv[]) { |
||
| 14 | // sets the language of LCF messages (can be either EN-US or PT-PT)
|
||
| 15 | lcf_set_language("EN-US");
|
||
| 16 | |||
| 17 | // enables to log function invocations that are being "wrapped" by LCF
|
||
| 18 | // [comment this out if you don't want/need it]
|
||
| 19 | lcf_trace_calls("/home/lcom/labs/lab3/trace.txt");
|
||
| 20 | |||
| 21 | // enables to save the output of printf function calls on a file
|
||
| 22 | // [comment this out if you don't want/need it]
|
||
| 23 | lcf_log_output("/home/lcom/labs/lab3/output.txt");
|
||
| 24 | |||
| 25 | // handles control over to LCF
|
||
| 26 | // [LCF handles command line arguments and invokes the right function]
|
||
| 27 | if (lcf_start(argc, argv))
|
||
| 28 | return 1; |
||
| 29 | |||
| 30 | // LCF clean up tasks
|
||
| 31 | // [must be the last statement before return]
|
||
| 32 | lcf_cleanup(); |
||
| 33 | |||
| 34 | return 0; |
||
| 35 | } |
||
| 36 | |||
| 37 | int(kbd_test_scan)() {
|
||
| 38 | 44 | up20180642 | /// loop stuff
|
| 39 | 30 | up20180655 | int ipc_status, r;
|
| 40 | message msg; |
||
| 41 | 44 | up20180642 | /// Keyboard interrupt handling
|
| 42 | 37 | up20180655 | uint8_t kbc_irq_bit = 1;
|
| 43 | 30 | up20180655 | int kbc_id = 0; |
| 44 | 37 | up20180655 | int kbc_irq = BIT(kbc_irq_bit);
|
| 45 | 60 | up20180642 | if (subscribe_keyboard_interrupt(kbc_irq_bit, &kbc_id)) return 1; |
| 46 | 44 | up20180642 | /// cycle
|
| 47 | int good = 1; |
||
| 48 | while (good) {
|
||
| 49 | 30 | up20180655 | /* Get a request message. */
|
| 50 | if ((r = driver_receive(ANY, &msg, &ipc_status)) != 0) { |
||
| 51 | printf("driver_receive failed with %d", r);
|
||
| 52 | continue;
|
||
| 53 | } |
||
| 54 | if (is_ipc_notify(ipc_status)) { /* received notification */ |
||
| 55 | switch (_ENDPOINT_P(msg.m_source)) {
|
||
| 56 | case HARDWARE: /* hardware interrupt notification */ |
||
| 57 | 37 | up20180655 | if (msg.m_notify.interrupts & kbc_irq) { /* subscribed interrupt */ |
| 58 | 30 | up20180655 | kbc_ih(); |
| 59 | 67 | up20180642 | if(keyboard_done)
|
| 60 | kbd_print_scancode(!(scancode[scancode_sz-1] & BREAK_CODE_BIT), scancode_sz, scancode);
|
||
| 61 | 44 | up20180642 | if (scancode[0] == ESC_BREAK_CODE) good = 0; |
| 62 | 30 | up20180655 | } |
| 63 | break;
|
||
| 64 | default:
|
||
| 65 | break; /* no other notifications expected: do nothing */ |
||
| 66 | } |
||
| 67 | } else { /* received standart message, not a notification */ |
||
| 68 | /* no standart message expected: do nothing */
|
||
| 69 | } |
||
| 70 | } |
||
| 71 | |||
| 72 | 44 | up20180642 | if (unsubscribe_interrupt(&kbc_id)) return 1; |
| 73 | 30 | up20180655 | |
| 74 | 42 | up20180642 | if (kbd_print_no_sysinb(sys_inb_counter)) return 1; |
| 75 | 30 | up20180655 | |
| 76 | return 0; |
||
| 77 | } |
||
| 78 | |||
| 79 | int(kbd_test_poll)() {
|
||
| 80 | 36 | up20180642 | uint8_t c[2]; uint8_t size;
|
| 81 | do{
|
||
| 82 | 60 | up20180642 | if(keyboard_poll(c, &size)) return 1; |
| 83 | 50 | up20180655 | if(kbd_print_scancode((~c[size-1])&BREAK_CODE_BIT, size, c)) return 1; |
| 84 | 36 | up20180642 | }while(!(size == 1 && c[0] == ESC_BREAK_CODE)); |
| 85 | 38 | up20180642 | |
| 86 | 60 | up20180642 | if(kbc_restore_keyboard()) return 1; |
| 87 | 39 | up20180642 | |
| 88 | 43 | up20180642 | if(kbd_print_no_sysinb(sys_inb_counter)) return 1; |
| 89 | 42 | up20180642 | |
| 90 | 36 | up20180642 | return 0; |
| 91 | 30 | up20180655 | } |
| 92 | |||
| 93 | 44 | up20180642 | int(kbd_test_timed_scan)(uint8_t idle) {
|
| 94 | /// loop stuff
|
||
| 95 | int ipc_status, r;
|
||
| 96 | message msg; |
||
| 97 | /// Timer interrupt handling
|
||
| 98 | const uint32_t frequency = 60; // Frequency asummed at 60Hz |
||
| 99 | uint8_t timer_irq_bit = 0;
|
||
| 100 | int timer_id = 0; |
||
| 101 | int timer_irq = BIT(timer_irq_bit);
|
||
| 102 | if(subscribe_timer_interrupt(timer_irq_bit, &timer_id)) return 1; |
||
| 103 | |||
| 104 | no_interrupts = 0;
|
||
| 105 | int time = 0; |
||
| 106 | /// Keyboard interrupt handling
|
||
| 107 | uint8_t kbc_irq_bit = 1;
|
||
| 108 | int kbc_id = 0; |
||
| 109 | int kbc_irq = BIT(kbc_irq_bit);
|
||
| 110 | 60 | up20180642 | if(subscribe_keyboard_interrupt(kbc_irq_bit, &kbc_id)) return 1; |
| 111 | 44 | up20180642 | /// cycle
|
| 112 | int good = 1; |
||
| 113 | while (good) {
|
||
| 114 | /* Get a request message. */
|
||
| 115 | if ((r = driver_receive(ANY, &msg, &ipc_status)) != 0) { |
||
| 116 | printf("driver_receive failed with %d", r);
|
||
| 117 | continue;
|
||
| 118 | } |
||
| 119 | if (is_ipc_notify(ipc_status)) { /* received notification */ |
||
| 120 | switch (_ENDPOINT_P(msg.m_source)) {
|
||
| 121 | case HARDWARE: /* hardware interrupt notification */ |
||
| 122 | if (msg.m_notify.interrupts & timer_irq) { /* subscribed interrupt */ |
||
| 123 | timer_int_handler(); |
||
| 124 | if (no_interrupts%frequency == 0) time++; |
||
| 125 | if(time >= idle) good = 0; |
||
| 126 | } |
||
| 127 | if (msg.m_notify.interrupts & kbc_irq) { /// subscribed interrupt |
||
| 128 | kbc_ih(); |
||
| 129 | 67 | up20180642 | if(keyboard_done) {
|
| 130 | kbd_print_scancode(!(scancode[scancode_sz-1] & BREAK_CODE_BIT), scancode_sz, scancode);
|
||
| 131 | 44 | up20180642 | time = 0;
|
| 132 | 45 | up20180642 | no_interrupts = 0;
|
| 133 | 44 | up20180642 | if (scancode[0] == ESC_BREAK_CODE) good = 0; |
| 134 | } |
||
| 135 | } |
||
| 136 | break;
|
||
| 137 | default:
|
||
| 138 | break; /* no other notifications expected: do nothing */ |
||
| 139 | } |
||
| 140 | } else { /* received standart message, not a notification */ |
||
| 141 | /* no standart message expected: do nothing */
|
||
| 142 | } |
||
| 143 | } |
||
| 144 | |||
| 145 | if (unsubscribe_interrupt(&kbc_id)) return 1; |
||
| 146 | if (unsubscribe_interrupt(&timer_id)) return 1; |
||
| 147 | |||
| 148 | return 0; |
||
| 149 | 30 | up20180655 | } |