Module: xenomai-3
Branch: wip/drivers
Commit: a45d979c699a01ae7293ab2075c9db2aa6c6a204
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=a45d979c699a01ae7293ab2075c9db2aa6c6a204
Author: Philippe Gerum <r...@xenomai.org>
Date: Wed Jun 1 15:59:27 2016 +0200
testsuite/gpiotest: add GPIO test suite
---
testsuite/Makefile.am | 2 +
testsuite/gpiotest/Makefile.am | 19 ++++
testsuite/gpiotest/gpiotest.c | 188 ++++++++++++++++++++++++++++++++++++++++
3 files changed, 209 insertions(+)
diff --git a/testsuite/Makefile.am b/testsuite/Makefile.am
index e83e6cb..c345472 100644
--- a/testsuite/Makefile.am
+++ b/testsuite/Makefile.am
@@ -4,12 +4,14 @@ SUBDIRS = latency smokey
if XENO_COBALT
SUBDIRS += \
clocktest \
+ gpiotest \
switchtest \
xeno-test
endif
DIST_SUBDIRS = \
clocktest \
+ gpiotest \
latency \
smokey \
switchtest \
diff --git a/testsuite/gpiotest/Makefile.am b/testsuite/gpiotest/Makefile.am
new file mode 100644
index 0000000..b01427b
--- /dev/null
+++ b/testsuite/gpiotest/Makefile.am
@@ -0,0 +1,19 @@
+testdir = @XENO_TEST_DIR@
+
+CCLD = $(top_srcdir)/scripts/wrap-link.sh $(CC)
+
+test_PROGRAMS = gpiotest
+
+gpiotest_SOURCES = gpiotest.c
+
+gpiotest_CPPFLAGS = \
+ $(XENO_USER_CFLAGS) \
+ -I$(top_srcdir)/include
+
+gpiotest_LDFLAGS = @XENO_AUTOINIT_LDFLAGS@ $(XENO_POSIX_WRAPPERS)
+
+gpiotest_LDADD = \
+ ../../lib/smokey/libsmokey.la \
+ ../../lib/@XENO_CORE_LIB@ \
+ @XENO_USER_LDADD@ \
+ -lpthread -lrt
diff --git a/testsuite/gpiotest/gpiotest.c b/testsuite/gpiotest/gpiotest.c
new file mode 100644
index 0000000..838f498
--- /dev/null
+++ b/testsuite/gpiotest/gpiotest.c
@@ -0,0 +1,188 @@
+/*
+ * Copyright (C) 2016 Philippe Gerum <r...@xenomai.org>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+#include <stdio.h>
+#include <error.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <smokey/smokey.h>
+#include <rtdm/gpio.h>
+
+smokey_test_plugin(interrupt,
+ SMOKEY_ARGLIST(
+ SMOKEY_STRING(device),
+ ),
+ "Wait for interrupts from a GPIO pin.\n"
+ "\tdevice=<device-path>."
+);
+
+smokey_test_plugin(read_value,
+ SMOKEY_ARGLIST(
+ SMOKEY_STRING(device),
+ ),
+ "Read GPIO value.\n"
+ "\tdevice=<device-path>."
+);
+
+smokey_test_plugin(write_value,
+ SMOKEY_ARGLIST(
+ SMOKEY_STRING(device),
+ ),
+ "Write GPIO value.\n"
+ "\tdevice=<device-path>."
+);
+
+static int run_interrupt(struct smokey_test *t, int argc, char *const argv[])
+{
+ const char *device = NULL;
+ int fd, ret;
+ fd_set set;
+
+ smokey_parse_args(t, argc, argv);
+
+ if (!SMOKEY_ARG_ISSET(interrupt, device)) {
+ warning("missing device= specification");
+ return -EINVAL;
+ }
+
+ device = SMOKEY_ARG_STRING(interrupt, device);
+ fd = open(device, O_RDWR);
+ if (fd < 0) {
+ ret = -errno;
+ warning("cannot open device %s [%s]",
+ device, symerror(ret));
+ return ret;
+ }
+
+ ret = ioctl(fd, GPIO_RTIOC_IRQEN);
+ if (ret) {
+ ret = -errno;
+ warning("GPIO_RTIOC_IRQEN failed on %s [%s]",
+ device, symerror(ret));
+ return ret;
+ }
+
+ FD_ZERO(&set);
+ FD_SET(fd, &set);
+
+ for (;;) {
+ ret = select(fd + 1, &set, NULL, NULL, NULL);
+ if (ret < 0) {
+ ret = -errno;
+ warning("failed listening to %s [%s]",
+ device, symerror(ret));
+ }
+ printf("kick %d!\n", ret);
+ }
+
+ close(fd);
+
+ return 0;
+}
+
+static int run_read_value(struct smokey_test *t, int argc, char *const argv[])
+{
+ const char *device = NULL;
+ int fd, ret, value = -1;
+
+ smokey_parse_args(t, argc, argv);
+
+ if (!SMOKEY_ARG_ISSET(read_value, device)) {
+ warning("missing device= specification");
+ return -EINVAL;
+ }
+
+ device = SMOKEY_ARG_STRING(read_value, device);
+ fd = open(device, O_RDONLY);
+ if (fd < 0) {
+ ret = -errno;
+ warning("cannot open device %s [%s]",
+ device, symerror(ret));
+ return ret;
+ }
+
+ ret = read(fd, &value, sizeof(value));
+ close(fd);
+
+ if (!__Tassert(ret == sizeof(value)))
+ return -EINVAL;
+
+ smokey_trace("value=%d", value);
+
+ return 0;
+}
+
+static int run_write_value(struct smokey_test *t, int argc, char *const argv[])
+{
+ const char *device = NULL;
+ int fd, ret, value;
+
+ smokey_parse_args(t, argc, argv);
+
+ if (!SMOKEY_ARG_ISSET(write_value, device)) {
+ warning("missing device= specification");
+ return -EINVAL;
+ }
+
+ device = SMOKEY_ARG_STRING(write_value, device);
+ fd = open(device, O_WRONLY);
+ if (fd < 0) {
+ ret = -errno;
+ warning("cannot open device %s [%s]",
+ device, symerror(ret));
+ return ret;
+ }
+
+ ret = write(fd, &value, sizeof(value));
+ close(fd);
+
+ if (!__Tassert(ret == sizeof(value)))
+ return -EINVAL;
+
+ return 0;
+}
+
+int main(int argc, char *const argv[])
+{
+ struct smokey_test *t;
+ int ret, fails = 0;
+
+ if (pvlist_empty(&smokey_test_list))
+ return 0;
+
+ for_each_smokey_test(t) {
+ ret = t->run(t, argc, argv);
+ if (ret) {
+ if (ret == -ENOSYS) {
+ smokey_note("%s skipped (no kernel support)",
+ t->name);
+ continue;
+ }
+ fails++;
+ if (smokey_keep_going)
+ continue;
+ if (smokey_verbose_mode)
+ error(1, -ret, "test %s failed", t->name);
+ return 1;
+ }
+ smokey_note("%s OK", t->name);
+ }
+
+ return fails != 0;
+}
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