celtic / akari

My attempt at bringing light to operating system development.

akari / Timer.cpp
100644 19 lines (14 sloc) 0.486 kb
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#include <Timer.hpp>
#include <arch.hpp>
 
Timer::Timer()
{ }
 
u8 Timer::versionMajor() const { return 0; }
u8 Timer::versionMinor() const { return 1; }
const char *Timer::versionManufacturer() const { return "Akari"; }
const char *Timer::versionProduct() const { return "Akari Timer Manager"; }
 
void Timer::setTimer(u16 hz) {
	u16 r = 0x1234dc / hz;
	AkariOutB(0x43, 0x36);		// 0b00110110; not BCD, square, LSB+MSB, c0
	AkariOutB(0x40, r & 0xFF);
	AkariOutB(0x40, (r >> 8) & 0xFF);
}