Revision 153
change on ihs
| proj/Makefile | ||
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PROG=proj |
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SRCS= proj.c graphics.c sprite.c kbc.c keyboard.c mouse.c utils.c timer.c |
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SRCS= proj.c graphics.c sprite.c kbc.c keyboard.c mouse.c utils.c timer.c interrupts_func.c
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CPPFLAGS += -pedantic -D __LCOM_OPTIMIZED_ |
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| proj/keyboard.h | ||
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#ifndef KEYBOARD_H_INCLUDED |
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#define KEYBOARD_H_INCLUDED |
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/** |
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* @brief Subscribes Keyboard Interrupts and disables Minix Default IH |
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* @param interrupt_bit Bit of Interrupt Vector that will be set when Keyboard Interrupt is pending |
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* @param interrupt_id Keyboard Interrupt ID to specify the Keyboard Interrupt in other calls |
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* @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK |
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* @see {_ERRORS_H_::errors}
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*/ |
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int (subscribe_kbc_interrupt)(uint8_t interrupt_bit, int *interrupt_id); |
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uint8_t scancode[2]; |
| proj/proj.c | ||
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#include "keyboard.h" |
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#include "mouse.h" |
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#include "utils.h" |
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#include "interrupts_func.h" |
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int main(int argc, char* argv[]) {
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| ... | ... | |
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/// loop stuff |
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int ipc_status, r; |
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message msg; |
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/// Keyboard interrupt handling |
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uint8_t kbc_irq_bit = KBC_IRQ; |
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int kbc_id = 0; |
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int kbc_irq = BIT(kbc_irq_bit); |
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if (subscribe_kbc_interrupt(kbc_irq_bit, &kbc_id)) {
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return 1; |
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} |
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/// Timer interrupt handling |
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//const uint32_t frequency = sys_hz(); // Frequency asummed at 60Hz |
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uint8_t timer_irq_bit = TIMER0_IRQ; |
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int timer_id = 0; |
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int timer_irq = BIT(timer_irq_bit); |
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if(subscribe_timer_interrupt(timer_irq_bit, &timer_id)) {
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if (vg_exit()) printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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if (free_memory_map()) {
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printf("%s: lm_free failed\n", __func__);
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} |
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return 1; |
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} |
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/// subscribe interrupts |
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if (subscribe_all()) return 1; |
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/// Mouse interrupt handling |
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uint8_t mouse_irq_bit = MOUSE_IRQ; |
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int mouse_id = 0; |
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int mouse_irq = BIT(mouse_irq_bit); |
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if (subscribe_mouse_interrupt(mouse_irq_bit, &mouse_id)) return 1; // subscribes mouse interrupts in exclusive mode |
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if (sys_irqdisable(&mouse_id)) return 1; // temporarily disables our interrupts notifications |
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if (mouse_set_data_report(true)) return 1; // enables mouse data reporting |
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if (sys_irqenable(&mouse_id)) return 1; // re-enables our interrupts notifications |
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/// cycle |
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int good = 1; |
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while (good) {
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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 & kbc_irq) { /* subscribed interrupt */
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kbc_ih(); |
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if (scancode[0] == ESC_BREAK_CODE) good = 0; |
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for (uint32_t i = 0, n = 1; i < 32; i++, n <<= 1) {
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if (msg.m_notify.interrupts & n) {
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interrupt_handler(i); |
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} |
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} |
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if (msg.m_notify.interrupts & timer_irq) { /* subscribed interrupt */
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timer_int_handler(); |
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} |
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if (msg.m_notify.interrupts & mouse_irq) { /* subscribed interrupt */
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mouse_ih(); |
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} |
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if (scancode[0] == ESC_BREAK_CODE) good = 0; |
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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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} |
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// Unsubscribe Keyboard interrupts |
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if (unsubscribe_interrupt(&kbc_id)) {
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return 1; |
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}; |
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// Unsubscribe interrupts |
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if (unsubscribe_all()) return 1; |
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// Unsubscribe Timer Interrupts |
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if (unsubscribe_interrupt(&timer_id)) {
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return 1; |
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} |
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// Unsubscribe Mouse Interrupts |
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if (sys_irqdisable(&mouse_id)) return 1; // temporarily disables our interrupts notifications |
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if (mouse_set_data_report(false)) return 1; // enables mouse data reporting |
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if (sys_irqenable(&mouse_id)) return 1; // re-enables our interrupts notifications |
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if (unsubscribe_interrupt(&mouse_id)) return 1; // unsubscribes interrupts |
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if (vg_exit()) {
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printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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if (free_memory_map()) printf("%s: lm_free failed\n", __func__);
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| ... | ... | |
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return 1; |
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} |
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#ifdef DIOGO |
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hello |
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#endif |
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