Now you can see what protocol any remote is using the following command.
$ ir-keytable -c -p all -t
Old keytable cleared
Protocols changed to lirc rc-5 rc-5-sz jvc sony nec sanyo mce_kbd rc-6 sharp xmp
Testing events. Please, press CTRL-C to abort.
2124.576099: lirc protocol(rc5): scancode = 0x1e11
2124.576143: event type EV_MSC(0x04): scancode = 0x1e11
2124.576143: event type EV_SYN(0x00).
2125.601002: lirc protocol(rc6_mce): scancode = 0x800f0410
2125.601051: event type EV_MSC(0x04): scancode = 0x800f0410
2125.601051: event type EV_SYN(0x00).
Signed-off-by: Sean Young <sean@xxxxxxxx>
---
utils/keytable/keytable.c | 140 ++++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 134 insertions(+), 6 deletions(-)
diff --git a/utils/keytable/keytable.c b/utils/keytable/keytable.c
index 5d12ec31..f0744c6a 100644
--- a/utils/keytable/keytable.c
+++ b/utils/keytable/keytable.c
@@ -18,13 +18,16 @@
#include <fcntl.h>
#include <stdio.h>
#include <unistd.h>
+#include <poll.h>
#include <stdlib.h>
#include <string.h>
#include <linux/input.h>
+#include <linux/lirc.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <dirent.h>
#include <argp.h>
+#include <time.h>
#include <stdbool.h>
#include "parse.h"
@@ -270,6 +273,7 @@ static int sysfs = 0;
struct rc_device {
char *sysfs_name; /* Device sysfs node name */
char *input_name; /* Input device file name */
+ char *lirc_name; /* Lirc device file name */
char *drv_name; /* Kernel driver that implements it */
char *keytable_name; /* Keycode table name */
@@ -1016,15 +1020,33 @@ static int v2_set_protocols(struct rc_device *rc_dev)
static int get_attribs(struct rc_device *rc_dev, char *sysfs_name)
{
struct uevents *uevent;
- char *input = "input", *event = "event";
+ char *input = "input", *event = "event", *lirc = "lirc";
char *DEV = "/dev/";
- static struct sysfs_names *input_names, *event_names, *attribs, *cur;
+ static struct sysfs_names *input_names, *event_names, *attribs, *cur, *lirc_names;
/* Clean the attributes */
memset(rc_dev, 0, sizeof(*rc_dev));
rc_dev->sysfs_name = sysfs_name;
+ lirc_names = seek_sysfs_dir(rc_dev->sysfs_name, lirc);
+ if (lirc_names) {
+ uevent = read_sysfs_uevents(lirc_names->name);
+ free_names(lirc_names);
+ if (uevent) {
+ while (uevent->next) {
+ if (!strcmp(uevent->key, "DEVNAME")) {
+ rc_dev->lirc_name = malloc(strlen(uevent->value) + strlen(DEV) + 1);
+ strcpy(rc_dev->lirc_name, DEV);
+ strcat(rc_dev->lirc_name, uevent->value);
+ break;
+ }
+ uevent = uevent->next;
+ }
+ free_uevent(uevent);
+ }
+ }
+
input_names = seek_sysfs_dir(rc_dev->sysfs_name, input);
if (!input_names)
return EINVAL;
@@ -1262,16 +1284,119 @@ static char *get_event_name(struct parse_event *event, u_int16_t code)
return "";
}
-static void test_event(int fd)
+static void print_scancodes(const struct lirc_scancode *scancodes, unsigned count)
+{
+ unsigned i;
+
+ for (i=0; i< count; i++) {
+ const char *p;
+ switch (scancodes[i].rc_proto) {
+ case RC_PROTO_UNKNOWN: p = "unknown"; break;
+ case RC_PROTO_OTHER: p = "other"; break;
+ case RC_PROTO_RC5: p = "rc5"; break;
+ case RC_PROTO_RC5X_20: p = "rc5x_20"; break;
+ case RC_PROTO_RC5_SZ: p = "rc5_sz"; break;
+ case RC_PROTO_JVC: p = "jvc"; break;
+ case RC_PROTO_SONY12: p = "sony12"; break;
+ case RC_PROTO_SONY15: p = "sony15"; break;
+ case RC_PROTO_SONY20: p = "sony20"; break;
+ case RC_PROTO_NEC: p = "nec"; break;
+ case RC_PROTO_NECX: p = "necx"; break;
+ case RC_PROTO_NEC32: p = "nec32"; break;
+ case RC_PROTO_SANYO: p = "sanyo"; break;
+ case RC_PROTO_MCIR2_KBD: p = "mcir2_kbd"; break;
+ case RC_PROTO_MCIR2_MSE: p = "mcri2_mse"; break;
+ case RC_PROTO_RC6_0: p = "rc6_0"; break;
+ case RC_PROTO_RC6_6A_20: p = "rc6_6a_20"; break;
+ case RC_PROTO_RC6_6A_24: p = "rc6_6a_24"; break;
+ case RC_PROTO_RC6_6A_32: p = "rc6_6a_32"; break;
+ case RC_PROTO_RC6_MCE: p = "rc6_mce"; break;
+ case RC_PROTO_SHARP: p = "sharp"; break;
+ case RC_PROTO_XMP: p = "xmp"; break;
+ case RC_PROTO_CEC: p = "cec"; break;
+ default: p = NULL; break;
+ }
+ printf(_("%llu.%06llu: "),
+ scancodes[i].timestamp / 1000000000ull,
+ (scancodes[i].timestamp % 1000000000ull) / 1000ull);
+
+ if (p)
+ printf(_("lirc protocol(%s): scancode = 0x%llx"),
+ p, scancodes[i].scancode);
+ else
+ printf(_("lirc protocol(%d): scancode = 0x%llx"),
+ scancodes[i].rc_proto, scancodes[i].scancode);
+
+ if (scancodes[i].flags & LIRC_SCANCODE_FLAG_REPEAT)
+ printf(_(" repeat"));
+ if (scancodes[i].flags & LIRC_SCANCODE_FLAG_TOGGLE)
+ printf(_(" toggle=1"));
+
+ printf("\n");
+ }
+}
+
+static void test_event(struct rc_device *rc_dev, int fd)
{
struct input_event ev[64];
- int rd, i;
+ struct lirc_scancode sc[64];
+ int rd, i, lircfd = -1;
+
+ if (rc_dev->lirc_name) {
+ lircfd = open(rc_dev->lirc_name, O_RDONLY | O_NONBLOCK);
+ if (lircfd == -1) {
+ perror(_("Can't open lirc device"));
+ return;
+ }
+ unsigned features;
+ if (ioctl(lircfd, LIRC_GET_FEATURES, &features)) {
+ perror(_("Can't get lirc features"));
+ return;
+ }
+
+ if (!(features & LIRC_CAN_REC_SCANCODE)) {
+ close(lircfd);
+ lircfd = -1;
+ }
+ else {
+ unsigned mode = LIRC_MODE_SCANCODE;
+ if (ioctl(lircfd, LIRC_SET_REC_MODE, &mode)) {
+ perror(_("Can't set lirc mode"));
+ return;
+ }
+
+ mode = CLOCK_MONOTONIC;
+ ioctl(fd, EVIOCSCLOCKID, &mode);
+ }
+ }
+
printf (_("Testing events. Please, press CTRL-C to abort.\n"));
while (1) {
+ struct pollfd pollstruct[2] = {
+ { .fd = fd, .events = POLLIN },
+ { .fd = lircfd, .events = POLLIN },
+ };
+
+ poll(pollstruct, lircfd != -1 ? 2 : 1, -1);
+
+ if (lircfd != -1) {
+ rd = read(lircfd, sc, sizeof(sc));
+
+ if (rd != -1) {
+ print_scancodes(sc, rd / sizeof(struct lirc_scancode));
+ } else if (errno != EAGAIN) {
+ perror(_("Error reading lirc scancode"));
+ return;
+ }
+ }
+
rd = read(fd, ev, sizeof(ev));
if (rd < (int) sizeof(struct input_event)) {
+ if (errno == EAGAIN)
+ continue;
+
perror(_("Error reading event"));
return;
}
@@ -1455,6 +1580,9 @@ static int show_sysfs_attribs(struct rc_device *rc_dev, char *name)
fprintf(stderr, _("\tDriver %s, table %s\n"),
rc_dev->drv_name,
rc_dev->keytable_name);
+ if (rc_dev->lirc_name)
+ fprintf(stderr, _("\tLirc device: %s\n"),
+ rc_dev->lirc_name);
fprintf(stderr, _("\tSupported protocols: "));
write_sysfs_protocols(rc_dev->supported, stderr, "%s ");
fprintf(stderr, "\n\t");
@@ -1585,7 +1713,7 @@ int main(int argc, char *argv[])
if (debug)
fprintf(stderr, _("Opening %s\n"), devicename);
- fd = open(devicename, O_RDONLY);
+ fd = open(devicename, O_RDONLY | O_NONBLOCK);
if (fd < 0) {
perror(devicename);
return -1;
@@ -1644,7 +1772,7 @@ int main(int argc, char *argv[])
}
if (test)
- test_event(fd);
+ test_event(&rc_dev, fd);
return 0;
}
--
2.13.5
