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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
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Checked in the following released items:
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Diffstat (limited to 'xorg-server/hw/dmx/examples/ev.c')
-rw-r--r--xorg-server/hw/dmx/examples/ev.c182
1 files changed, 182 insertions, 0 deletions
diff --git a/xorg-server/hw/dmx/examples/ev.c b/xorg-server/hw/dmx/examples/ev.c
new file mode 100644
index 000000000..ba45c2b25
--- /dev/null
+++ b/xorg-server/hw/dmx/examples/ev.c
@@ -0,0 +1,182 @@
+/*
+ * Copyright 2002 Red Hat Inc., Durham, North Carolina.
+ *
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation on the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * This is a simple test program that reads from /dev/input/event*,
+ * decoding events into a human readable form.
+ */
+
+/*
+ * Authors:
+ * Rickard E. (Rik) Faith <faith@redhat.com>
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <time.h>
+#include <linux/input.h>
+
+struct input_event event;
+
+int main(int argc, char **argv)
+{
+ char name[64]; /* RATS: Use ok, but could be better */
+ char buf[256] = { 0, }; /* RATS: Use ok */
+ unsigned char mask[EV_MAX/8 + 1]; /* RATS: Use ok */
+ int version;
+ int fd = 0;
+ int rc;
+ int i, j;
+ char *tmp;
+
+#define test_bit(bit) (mask[(bit)/8] & (1 << ((bit)%8)))
+
+ for (i = 0; i < 32; i++) {
+ sprintf(name, "/dev/input/event%d", i);
+ if ((fd = open(name, O_RDONLY, 0)) >= 0) {
+ ioctl(fd, EVIOCGVERSION, &version);
+ ioctl(fd, EVIOCGNAME(sizeof(buf)), buf);
+ ioctl(fd, EVIOCGBIT(0, sizeof(mask)), mask);
+ printf("%s\n", name);
+ printf(" evdev version: %d.%d.%d\n",
+ version >> 16, (version >> 8) & 0xff, version & 0xff);
+ printf(" name: %s\n", buf);
+ printf(" features:");
+ for (j = 0; j < EV_MAX; j++) {
+ if (test_bit(j)) {
+ const char *type = "unknown";
+ switch(j) {
+ case EV_KEY: type = "keys/buttons"; break;
+ case EV_REL: type = "relative"; break;
+ case EV_ABS: type = "absolute"; break;
+ case EV_MSC: type = "reserved"; break;
+ case EV_LED: type = "leds"; break;
+ case EV_SND: type = "sound"; break;
+ case EV_REP: type = "repeat"; break;
+ case EV_FF: type = "feedback"; break;
+ }
+ printf(" %s", type);
+ }
+ }
+ printf("\n");
+ close(fd);
+ }
+ }
+
+ if (argc > 1) {
+ sprintf(name, "/dev/input/event%d", atoi(argv[1]));
+ if ((fd = open(name, O_RDWR, 0)) >= 0) {
+ printf("%s: open, fd = %d\n", name, fd);
+ for (i = 0; i < LED_MAX; i++) {
+ event.time.tv_sec = time(0);
+ event.time.tv_usec = 0;
+ event.type = EV_LED;
+ event.code = i;
+ event.value = 0;
+ write(fd, &event, sizeof(event));
+ }
+
+ while ((rc = read(fd, &event, sizeof(event))) > 0) {
+ printf("%-24.24s.%06lu type 0x%04x; code 0x%04x;"
+ " value 0x%08x; ",
+ ctime(&event.time.tv_sec),
+ event.time.tv_usec,
+ event.type, event.code, event.value);
+ switch (event.type) {
+ case EV_KEY:
+ if (event.code > BTN_MISC) {
+ printf("Button %d %s",
+ event.code & 0xff,
+ event.value ? "press" : "release");
+ } else {
+ printf("Key %d (0x%x) %s",
+ event.code & 0xff,
+ event.code & 0xff,
+ event.value ? "press" : "release");
+ }
+ break;
+ case EV_REL:
+ switch (event.code) {
+ case REL_X: tmp = "X"; break;
+ case REL_Y: tmp = "Y"; break;
+ case REL_HWHEEL: tmp = "HWHEEL"; break;
+ case REL_DIAL: tmp = "DIAL"; break;
+ case REL_WHEEL: tmp = "WHEEL"; break;
+ case REL_MISC: tmp = "MISC"; break;
+ default: tmp = "UNKNOWN"; break;
+ }
+ printf("Relative %s %d", tmp, event.value);
+ break;
+ case EV_ABS:
+ switch (event.code) {
+ case ABS_X: tmp = "X"; break;
+ case ABS_Y: tmp = "Y"; break;
+ case ABS_Z: tmp = "Z"; break;
+ case ABS_RX: tmp = "RX"; break;
+ case ABS_RY: tmp = "RY"; break;
+ case ABS_RZ: tmp = "RZ"; break;
+ case ABS_THROTTLE: tmp = "THROTTLE"; break;
+ case ABS_RUDDER: tmp = "RUDDER"; break;
+ case ABS_WHEEL: tmp = "WHEEL"; break;
+ case ABS_GAS: tmp = "GAS"; break;
+ case ABS_BRAKE: tmp = "BRAKE"; break;
+ case ABS_HAT0X: tmp = "HAT0X"; break;
+ case ABS_HAT0Y: tmp = "HAT0Y"; break;
+ case ABS_HAT1X: tmp = "HAT1X"; break;
+ case ABS_HAT1Y: tmp = "HAT1Y"; break;
+ case ABS_HAT2X: tmp = "HAT2X"; break;
+ case ABS_HAT2Y: tmp = "HAT2Y"; break;
+ case ABS_HAT3X: tmp = "HAT3X"; break;
+ case ABS_HAT3Y: tmp = "HAT3Y"; break;
+ case ABS_PRESSURE: tmp = "PRESSURE"; break;
+ case ABS_DISTANCE: tmp = "DISTANCE"; break;
+ case ABS_TILT_X: tmp = "TILT_X"; break;
+ case ABS_TILT_Y: tmp = "TILT_Y"; break;
+ case ABS_MISC: tmp = "MISC"; break;
+ default: tmp = "UNKNOWN"; break;
+ }
+ printf("Absolute %s %d", tmp, event.value);
+ break;
+ case EV_MSC: printf("Misc"); break;
+ case EV_LED: printf("Led"); break;
+ case EV_SND: printf("Snd"); break;
+ case EV_REP: printf("Rep"); break;
+ case EV_FF: printf("FF"); break;
+ break;
+ }
+ printf("\n");
+ }
+ printf("rc = %d, (%s)\n", rc, strerror(errno));
+ close(fd);
+ }
+ }
+ return 0;
+}