MAJOR RESTRUCTURE

backup/libk/drivers/timer.c

@@ -0,0 +1,33 @@
+#include <drivers/timer.h>
+#include <memory/addresses.h>
+#include <screen/tty.h>
+#include <cpu/system.h>
+#include <cpu/isr.h>
+#include <stdint.h>
+
+void timerHandler(intFrame_t*) {
+    static uint32_t cursorTicks = 0;
+    cursorTicks++;
+    
+    if (!console->hideCursor) { // TODO: Make a better cursor drawing thing
+        if (cursorTicks % 500 == 0) toggleCursor();
+    }
+
+    if (*(uint32_t*)SLEEP_TIMER > 0) { --(*(uint32_t*)SLEEP_TIMER); }
+}
+
+void setPitPhase(uint8_t channel, uint8_t opMode, uint16_t hz) {
+    if (channel > 2 || opMode > 7) { return; }
+    __asm__ volatile ("cli");
+
+    // Send command - bits 7-6 channel, 5-4 Access mode, 3-1 operating mode, 0 - Should be zero in x86
+    outb(COMMAND, ((channel << 6) | (3 << 4) | (opMode << 1)));
+
+    // Send frequency
+    uint16_t freq = INPUT_CLK / hz; // I solved an equation to figure this out
+    outb(CHANNEL_0 + channel, (uint8_t)freq);
+    outb(CHANNEL_0 + channel, (uint8_t)(freq >> 8));
+    
+    __asm__ volatile ("sti");
+}
+