Implemented PIT

2025-04-28 18:48:40 +02:00
parent bbb3c131b3
commit b8fba03773
7 changed files with 94 additions and 14 deletions
@@ -0,0 +1,22 @@
+#ifndef _TIMER_H
+#define _TIMER_H
+
+#include <isr.h>
+
+#define PIT_DIV 1193180
+#define PIT_CH0	0x40
+#define PIT_CH1	0x41
+#define PIT_CH2	0x42
+#define PIT_CMD	0x43
+
+int  timer_init(void);
+void timer_wait(size_t ticks);
+
+int  pit_init(void);
+void pit_phase(uint8_t ch, uint8_t mode, uint32_t hz);
+void pit_handler(struct isr_int_frame* iframe);
+
+// TODO: rtc_init(void);
+// TODO: hpet_init(void);
+
+#endif