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#include <u.h>
#include <libc.h>
#include "cec.h"
static int fd = -1;
extern char *svc;
void
rawon(void)
{
if(svc)
return;
if((fd = open("/dev/consctl", OWRITE)) == -1 ||
write(fd, "rawon", 5) != 5)
fprint(2, "Can't make console raw\n");
}
void
rawoff(void)
{
if(svc)
return;
close(fd);
}
enum {
Perline = 16,
Perch = 3,
};
char line[Perch*Perline+1];
static void
format(uchar *buf, int n, int t)
{
int i, r;
for(i = 0; i < n; i++){
r = (i + t) % Perline;
if(r == 0 && i + t > 0)
fprint(2, "%s\n", line);
sprint(line + r*Perch, "%.2x ", buf[i]);
}
}
void
dump(uchar *p, int n)
{
format(p, n, 0);
if(n % 16 > 0)
print("%s\n", line);
}
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