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#include <stdio.h>
#include <string.h>
#include <ieee1284.h>
enum devid_field { devid_cls, devid_mfg, devid_mdl };
static char *field (char *id, enum devid_field f)
{
char *result = "(?)";
char *p = NULL;
id += 2;
switch (f)
{
case devid_cls:
p = strstr (id, "CLASS:");
if (!p)
p = strstr (id, "class:");
if (!p)
p = strstr (id, "CLS:");
if (!p)
p = strstr (id, "cls:");
break;
case devid_mfg:
p = strstr (id, "MANUFACTURER:");
if (!p)
p = strstr (id, "manufacturer:");
if (!p)
p = strstr (id, "MFG:");
if (!p)
p = strstr (id, "mfg:");
break;
case devid_mdl:
p = strstr (id, "MODEL:");
if (!p)
p = strstr (id, "model:");
if (!p)
p = strstr (id, "MDL:");
if (!p)
p = strstr (id, "mdl:");
break;
}
if (p)
{
char *q;
char c;
p = strchr (p, ':') + 1;
q = strchr (p, ';');
if (q)
{
c = *q;
*q = '\0';
}
result = strdup (p); // leaks, but this is just a test harness
if (q)
*q = c;
}
return result;
}
static void test_deviceid (struct parport_list *pl)
{
int i, j;
printf ("Found %d ports:\n", pl->portc);
for (i = 0; i < pl->portc; i++)
{
char id[500];
printf (" %s: ", pl->portv[i]->name);
if (ieee1284_get_deviceid (pl->portv[i], -1, F1284_FRESH, id, 500) > -1)
printf ("%s, %s %s", field (id, devid_cls), field (id, devid_mfg),
field (id, devid_mdl));
else if (ieee1284_get_deviceid (pl->portv[i], -1, 0, id, 500) > -1)
printf ("(may be cached) %s, %s %s", field (id, devid_cls),
field (id, devid_mfg), field (id, devid_mdl));
printf ("\n");
for (j = 0; j < 4; j++)
if (ieee1284_get_deviceid (pl->portv[i], j, 0, id, 500) > -1)
printf (" Daisy chain address %d: (may be cached) %s, %s %s\n", j,
field (id, devid_cls), field (id, devid_mfg),
field (id, devid_mdl));
}
putchar ('\n');
}
static int show_capabilities (unsigned int cap)
{
#define CAP(x) \
if (cap & CAP1284_##x) \
printf (#x " ");
CAP(RAW);
CAP(NIBBLE);
CAP(BYTE);
CAP(COMPAT);
CAP(BECP);
CAP(ECP);
CAP(ECPRLE);
CAP(ECPSWE);
CAP(EPP);
CAP(EPPSL);
CAP(EPPSWE);
CAP(IRQ);
CAP(DMA);
putchar ('\n');
return 0;
}
void test_open (struct parport_list *pl)
{
int i;
for (i = 0; i < pl->portc; i++)
{
struct parport *port = pl->portv[i];
unsigned int cap;
/* Just try to open the port, then close it. */
if (ieee1284_open (port, 0, &cap))
printf ("%s: inaccessible\n", port->name);
else
{
printf ("%s: %#lx", port->name, port->base_addr);
if (port->hibase_addr)
printf (" (ECR at %#lx)", port->hibase_addr);
printf ("\n ");
show_capabilities (cap);
if (cap & CAP1284_IRQ)
{
int fd = ieee1284_get_irq_fd (port);
if (fd < 0)
printf ("Couldn't get IRQ fd: %d\n", fd);
else
{
int r = ieee1284_claim (port);
if (r != E1284_OK)
printf ("Couldn't claim port: %d\n", r);
else
r = ieee1284_clear_irq (port, NULL);
if (r != E1284_OK)
printf ("Couldn't clear IRQ: %d\n", r);
ieee1284_release (port);
}
}
ieee1284_close (port);
}
}
}
int main ()
{
struct parport_list pl;
ieee1284_find_ports (&pl, 0);
test_deviceid (&pl);
test_open (&pl);
ieee1284_free_ports (&pl);
return 0;
}
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