ir-keytables: Add a mode to test if RC key events are ok

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/utils/keytable/keytable.c b/utils/keytable/keytable.c
index 202db35..47f6a2d 100644 (file)
--- a/utils/keytable/keytable.c
+++ b/utils/keytable/keytable.c
@@ -16,6 +16,7 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <stdio.h>
+#include <unistd.h>
 #include <stdlib.h>
 #include <string.h>
 #include <linux/input.h>
@@ -101,6 +102,7 @@ static const struct argp_option options[] = {
        {"verbose",     'v',    0,              0,      "enables debug messages", 0},
        {"clear",       'c',    0,              0,      "clears the old table", 0},
        {"sysdev",      's',    "SYSDEV",       0,      "ir class device to control", 0},
+       {"test",        't',    0,              0,      "test if IR is generating events", 0},
        {"device",      'd',    "DEV",          0,      "ir device to control", 0},
        {"read",        'r',    0,              0,      "reads the current scancode/keycode table", 0},
        {"write",       'w',    "TABLE",        0,      "write (adds) the scancodes to the device scancode/keycode table from an specified file", 0},
@@ -118,9 +120,10 @@ static const char args_doc[] =
 /* Static vars to store the parameters */
 static char *devclass = "rc0";
 static char *devname = NULL;
-static int read = 0;
+static int readtable = 0;
 static int clear = 0;
 static int debug = 0;
+static int test = 0;
 static enum ir_protocols ch_proto = 0;
 
 struct keytable keys = {
@@ -337,6 +340,9 @@ static error_t parse_opt(int k, char *arg, struct argp_state *state)
        case 'v':
                debug++;
                break;
+       case 't':
+               test++;
+               break;
        case 'c':
                clear++;
                break;
@@ -347,7 +353,7 @@ static error_t parse_opt(int k, char *arg, struct argp_state *state)
                devclass = arg;
                break;
        case 'r':
-               read++;
+               readtable++;
                break;
        case 'w': {
                char *name = NULL;
@@ -1133,6 +1139,63 @@ static void display_proto(struct rc_device *rc_dev)
        fprintf(stderr, "\n");
 }
 
+static void test_event(int fd)
+{
+       struct input_event ev[64];
+       int rd, i;
+
+       printf ("Testing events. Please, press CTRL-C to abort.\n");
+       while (1) {
+               rd = read(fd, ev, sizeof(ev));
+
+               if (rd < (int) sizeof(struct input_event)) {
+                       perror("Error reading event");
+                       return;
+               }
+
+               for (i = 0; i < rd / sizeof(struct input_event); i++) {
+                       switch (ev[i].type) {
+                       case EV_MSC:
+                               if (ev[i].code != MSC_SCAN)
+                                       break;
+                               printf("%ld.%06ld: Scancode = %02x\n",
+                                       ev[i].time.tv_sec, ev[i].time.tv_usec, ev[i].value);
+                               break;
+                       case EV_KEY:                    {
+                               struct parse_key *p;
+                               char *name = "";
+
+                               printf("%ld.%06ld: key ",
+                                       ev[i].time.tv_sec, ev[i].time.tv_usec);
+
+                               for (p = keynames; p->name != NULL; p++) {
+                                       if (p->value == ev[i].value) {
+                                               name = p->name;
+                                               break;
+                                       }
+                               }
+
+                               if (isprint (ev[i].value))
+                                       printf("%s ('%c')\n", name, ev[i].value);
+                               else
+                                       printf("%s (%02x)\n", name, ev[i].value);
+                               break;
+                       }
+                       case EV_REP:
+                               printf("%ld.%06ld: repeat %d\n",
+                                       ev[i].time.tv_sec, ev[i].time.tv_usec,
+                                       ev[i].value);
+                               break;
+                       default:
+                               printf("%ld.%06ld: type %d\n",
+                                       ev[i].time.tv_sec, ev[i].time.tv_usec,
+                                       ev[i].type);
+                               break;
+                       }
+               }
+       }
+}
+
 static void display_table(struct rc_device *rc_dev, int fd)
 {
        unsigned int i, j;
@@ -1159,7 +1222,7 @@ int main(int argc, char *argv[])
        argp_parse(&argp, argc, argv, 0, 0, 0);
 
        /* Just list all devices */
-       if (!clear && !read && !keys.next && !ch_proto && !cfg.next) {
+       if (!clear && !readtable && !keys.next && !ch_proto && !cfg.next && !test) {
                static struct sysfs_names *names, *cur;
 
                names = find_device(NULL);
@@ -1285,8 +1348,11 @@ int main(int argc, char *argv[])
        /*
         * Fourth step: display current keytable
         */
-       if (read)
+       if (readtable)
                display_table(&rc_dev, fd);
 
+       if (test)
+               test_event(fd);
+
        return 0;
 }