root / proj / proj.c @ 151
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| 1 | 144 | up20180655 | #include <lcom/lcf.h> |
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| 2 | #include <lcom/proj.h> |
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| 3 | #include <lcom/liblm.h> |
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| 4 | |||
| 5 | 147 | up20180655 | #include <stdbool.h> |
| 6 | 144 | up20180655 | #include <stdint.h> |
| 7 | |||
| 8 | 149 | up20180655 | #include "i8254.h" |
| 9 | #include "kbc_macros.h" |
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| 10 | #include "graphics_macros.h" |
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| 11 | 150 | up20180655 | #include "mouse_macros.h" |
| 12 | 149 | up20180655 | #include "proj_macros.h" |
| 13 | #include "errors.h" |
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| 14 | 147 | up20180655 | |
| 15 | 149 | up20180655 | #include "kbc.h" |
| 16 | #include "graphics.h" |
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| 17 | #include "timer.h" |
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| 18 | #include "keyboard.h" |
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| 19 | 150 | up20180655 | #include "mouse.h" |
| 20 | 149 | up20180655 | #include "utils.h" |
| 21 | |||
| 22 | 144 | up20180655 | int main(int argc, char* argv[]) { |
| 23 | |||
| 24 | lcf_set_language("EN-US");
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| 25 | |||
| 26 | //lcf_trace_calls("/home/lcom/labs/proj/trace.txt");
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| 27 | |||
| 28 | //lcf_log_output("/home/lcom/labs/proj/output.txt");
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| 29 | |||
| 30 | if (lcf_start(argc, argv)) return 1; |
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| 31 | |||
| 32 | lcf_cleanup(); |
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| 33 | |||
| 34 | return 0; |
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| 35 | } |
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| 36 | 147 | up20180655 | |
| 37 | 149 | up20180655 | int(proj_main_loop)(int argc, char *argv[]) { |
| 38 | 147 | up20180655 | |
| 39 | 149 | up20180655 | /// loop stuff
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| 40 | int ipc_status, r;
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| 41 | message msg; |
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| 42 | /// Keyboard interrupt handling
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| 43 | uint8_t kbc_irq_bit = KBC_IRQ; |
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| 44 | int kbc_id = 0; |
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| 45 | int kbc_irq = BIT(kbc_irq_bit);
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| 46 | if (subscribe_kbc_interrupt(kbc_irq_bit, &kbc_id)) {
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| 47 | return 1; |
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| 48 | } |
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| 49 | 147 | up20180655 | |
| 50 | 149 | up20180655 | /// Timer interrupt handling
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| 51 | //const uint32_t frequency = sys_hz(); // Frequency asummed at 60Hz
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| 52 | uint8_t timer_irq_bit = TIMER0_IRQ; |
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| 53 | int timer_id = 0; |
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| 54 | int timer_irq = BIT(timer_irq_bit);
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| 55 | if(subscribe_timer_interrupt(timer_irq_bit, &timer_id)) {
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| 56 | if (vg_exit()) printf("%s: vg_exit failed to exit to text mode.\n", __func__); |
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| 57 | if (free_memory_map()) {
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| 58 | printf("%s: lm_free failed\n", __func__);
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| 59 | } |
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| 60 | return 1; |
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| 61 | } |
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| 62 | |||
| 63 | 150 | up20180655 | /// Mouse interrupt handling
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| 64 | uint8_t mouse_irq_bit = MOUSE_IRQ; |
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| 65 | int mouse_id = 0; |
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| 66 | int mouse_irq = BIT(mouse_irq_bit);
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| 67 | |||
| 68 | if (subscribe_mouse_interrupt(mouse_irq_bit, &mouse_id)) return 1; // subscribes mouse interrupts in exclusive mode |
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| 69 | if (sys_irqdisable(&mouse_id)) return 1; // temporarily disables our interrupts notifications |
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| 70 | if (mouse_set_data_report(true)) return 1; // enables mouse data reporting |
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| 71 | if (sys_irqenable(&mouse_id)) return 1; // re-enables our interrupts notifications |
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| 72 | |||
| 73 | 147 | up20180655 | /// cycle
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| 74 | int good = 1; |
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| 75 | while (good) {
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| 76 | /* Get a request message. */
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| 77 | if ((r = driver_receive(ANY, &msg, &ipc_status)) != 0) { |
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| 78 | printf("driver_receive failed with %d", r);
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| 79 | continue;
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| 80 | } |
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| 81 | if (is_ipc_notify(ipc_status)) { /* received notification */ |
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| 82 | switch (_ENDPOINT_P(msg.m_source)) {
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| 83 | case HARDWARE: /* hardware interrupt notification */ |
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| 84 | if (msg.m_notify.interrupts & kbc_irq) { /* subscribed interrupt */ |
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| 85 | kbc_ih(); |
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| 86 | if (scancode[0] == ESC_BREAK_CODE) good = 0; |
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| 87 | } |
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| 88 | 149 | up20180655 | if (msg.m_notify.interrupts & timer_irq) { /* subscribed interrupt */ |
| 89 | timer_int_handler(); |
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| 90 | } |
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| 91 | 150 | up20180655 | |
| 92 | if (msg.m_notify.interrupts & mouse_irq) { /* subscribed interrupt */ |
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| 93 | mouse_ih(); |
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| 94 | } |
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| 95 | 147 | up20180655 | break;
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| 96 | default:
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| 97 | break; /* no other notifications expected: do nothing */ |
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| 98 | } |
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| 99 | } else { /* received standart message, not a notification */ |
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| 100 | /* no standart message expected: do nothing */
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| 101 | } |
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| 102 | } |
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| 103 | 149 | up20180655 | |
| 104 | // Unsubscribe Keyboard interrupts
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| 105 | if (unsubscribe_interrupt(&kbc_id)) {
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| 106 | return 1; |
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| 107 | }; |
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| 108 | |||
| 109 | // Unsubscribe Timer Interrupts
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| 110 | if (unsubscribe_interrupt(&timer_id)) {
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| 111 | return 1; |
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| 112 | } |
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| 113 | |||
| 114 | 150 | up20180655 | // Unsubscribe Mouse Interrupts
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| 115 | if (sys_irqdisable(&mouse_id)) return 1; // temporarily disables our interrupts notifications |
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| 116 | if (mouse_set_data_report(false)) return 1; // enables mouse data reporting |
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| 117 | if (sys_irqenable(&mouse_id)) return 1; // re-enables our interrupts notifications |
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| 118 | if (unsubscribe_interrupt(&mouse_id)) return 1; // unsubscribes interrupts |
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| 119 | |||
| 120 | 149 | up20180655 | return 0; |
| 121 | 147 | up20180655 | } |