blob: a950e8c31de5301210aa465f6969e52fb3ce1eda (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
#include "mouse.h"
#include "ps2_controller.h"
#include <stdint.h>
#include <stdio.h>
#include <sys/io.h>
void
mouse_init()
{
// Sending a command or data byte to the mouse (to port 0x60) must be preceded by sending a 0xD4 byte to port 0x64
// (with appropriate waits on port 0x64, bit 1, before sending each output byte). Note: this 0xD4 byte does not
// generate any ACK, from either the keyboard or mouse.
// enable second ps/2
// outb(0xa8, 0x64);
// outb(0x64, 0xd4);
// outb(0x60, 0xf4);
// printf("mouse_init: enable streaming(0xf4): %x\n", inb(0x60));
outb(0xd4, 0x64);
outb(0xeb, 0x60); // single packet
printf("mouse_init: single packet 0xeb\n");
while ((inb(0x64) & 0x01) == 0) {}
for (int i = 0; i < 10; ++i) printf("%x ", inb(0x60));
printf("\n");
}
void
mouse_packet()
{
printf("mouse packet: ");
for (int i = 0; i < 4; ++i) printf("%x ", ps2_read_port2());
printf("\n");
}
|