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#include <camellia/syscalls.h>
#include <unistd.h>
#include <shared/container/ring.h>
#include <stdio.h>
static uint8_t r_buf[64];
static ring_t r = {(void*)r_buf, sizeof r_buf, 0, 0};
struct packet {
uint8_t stuff;
int8_t dx, dy;
} __attribute__((packed));
int main(void) {
char buf[64];
handle_t fd = _syscall_open("/kdev/ps2/mouse", 15, 0);
if (fd < 0) {
fprintf(stderr, "couldn't open mouse\n");
exit(1);
}
for (;;) {
int len = _syscall_read(fd, buf, sizeof buf, 0);
if (len == 0) break;
ring_put(&r, buf, len);
while (ring_size(&r) >= 3) {
struct packet p;
ring_get(&r, &p, sizeof p);
printf("%4d %4d\n", p.dx, p.dy);
}
}
return 0;
}
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