root / proj / proj.c @ 149
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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 | #include "proj_macros.h" |
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| 12 | #include "errors.h" |
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| 13 | 147 | up20180655 | |
| 14 | 149 | up20180655 | #include "kbc.h" |
| 15 | #include "graphics.h" |
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| 16 | #include "timer.h" |
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| 17 | #include "keyboard.h" |
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| 18 | #include "utils.h" |
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| 19 | |||
| 20 | 144 | up20180655 | int main(int argc, char* argv[]) { |
| 21 | |||
| 22 | lcf_set_language("EN-US");
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| 23 | |||
| 24 | //lcf_trace_calls("/home/lcom/labs/proj/trace.txt");
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| 25 | |||
| 26 | //lcf_log_output("/home/lcom/labs/proj/output.txt");
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| 27 | |||
| 28 | if (lcf_start(argc, argv)) return 1; |
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| 29 | |||
| 30 | lcf_cleanup(); |
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| 31 | |||
| 32 | return 0; |
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| 33 | } |
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| 34 | 147 | up20180655 | |
| 35 | 149 | up20180655 | int(proj_main_loop)(int argc, char *argv[]) { |
| 36 | 147 | up20180655 | |
| 37 | 149 | up20180655 | /// loop stuff
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| 38 | int ipc_status, r;
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| 39 | message msg; |
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| 40 | /// Keyboard interrupt handling
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| 41 | uint8_t kbc_irq_bit = KBC_IRQ; |
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| 42 | int kbc_id = 0; |
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| 43 | int kbc_irq = BIT(kbc_irq_bit);
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| 44 | if (subscribe_kbc_interrupt(kbc_irq_bit, &kbc_id)) {
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| 45 | return 1; |
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| 46 | } |
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| 47 | 147 | up20180655 | |
| 48 | 149 | up20180655 | /// Timer interrupt handling
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| 49 | //const uint32_t frequency = sys_hz(); // Frequency asummed at 60Hz
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| 50 | uint8_t timer_irq_bit = TIMER0_IRQ; |
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| 51 | int timer_id = 0; |
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| 52 | int timer_irq = BIT(timer_irq_bit);
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| 53 | if(subscribe_timer_interrupt(timer_irq_bit, &timer_id)) {
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| 54 | if (vg_exit()) printf("%s: vg_exit failed to exit to text mode.\n", __func__); |
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| 55 | if (free_memory_map()) {
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| 56 | printf("%s: lm_free failed\n", __func__);
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| 57 | } |
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| 58 | return 1; |
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| 59 | } |
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| 60 | |||
| 61 | 147 | up20180655 | /// cycle
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| 62 | int good = 1; |
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| 63 | while (good) {
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| 64 | /* Get a request message. */
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| 65 | if ((r = driver_receive(ANY, &msg, &ipc_status)) != 0) { |
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| 66 | printf("driver_receive failed with %d", r);
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| 67 | continue;
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| 68 | } |
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| 69 | if (is_ipc_notify(ipc_status)) { /* received notification */ |
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| 70 | switch (_ENDPOINT_P(msg.m_source)) {
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| 71 | case HARDWARE: /* hardware interrupt notification */ |
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| 72 | if (msg.m_notify.interrupts & kbc_irq) { /* subscribed interrupt */ |
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| 73 | kbc_ih(); |
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| 74 | if (scancode[0] == ESC_BREAK_CODE) good = 0; |
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| 75 | } |
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| 76 | 149 | up20180655 | if (msg.m_notify.interrupts & timer_irq) { /* subscribed interrupt */ |
| 77 | timer_int_handler(); |
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| 78 | } |
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| 79 | 147 | up20180655 | break;
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| 80 | default:
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| 81 | break; /* no other notifications expected: do nothing */ |
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| 82 | } |
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| 83 | } else { /* received standart message, not a notification */ |
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| 84 | /* no standart message expected: do nothing */
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| 85 | } |
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| 86 | } |
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| 87 | 149 | up20180655 | |
| 88 | // Unsubscribe Keyboard interrupts
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| 89 | if (unsubscribe_interrupt(&kbc_id)) {
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| 90 | return 1; |
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| 91 | }; |
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| 92 | |||
| 93 | // Unsubscribe Timer Interrupts
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| 94 | if (unsubscribe_interrupt(&timer_id)) {
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| 95 | return 1; |
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| 96 | } |
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| 97 | |||
| 98 | return 0; |
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| 99 | 147 | up20180655 | } |