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watchdog test #1940

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merged 4 commits into from
Aug 10, 2023
Merged

watchdog test #1940

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f4cbdb5
watchdog:test watchdog not depend on fs.
yangguangcai1 Apr 17, 2023
89e45cf
test/watchdog:test interface getstatus.
yangguangcai1 May 5, 2023
6b718cc
test/watchdog:call board_ioctl from board_reset_cause.
yangguangcai1 Jun 26, 2023
c6a7046
watchdog:input watchdog deviation.
yangguangcai1 Jul 7, 2023
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6 changes: 6 additions & 0 deletions testing/drivertest/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,12 @@ ifneq ($(CONFIG_SIG_EVTHREAD),)
MAINSRC += drivertest_posix_timer.c
PROGNAME += cmocka_posix_timer
endif

ifneq ($(CONFIG_WATCHDOG),)
ifneq ($(CONFIG_BOARDCTL_RESET_CAUSE),)
MAINSRC += drivertest_watchdog.c
PROGNAME += cmocka_driver_watchdog
endif
endif

ifneq ($(CONFIG_PWM),)
Expand Down
165 changes: 71 additions & 94 deletions testing/drivertest/drivertest_watchdog.c
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Original file line number Diff line number Diff line change
Expand Up @@ -28,34 +28,33 @@
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/boardctl.h>

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <debug.h>
#include <inttypes.h>

#include <stdarg.h>
#include <stddef.h>
#include <setjmp.h>
#include <stdint.h>
#include <cmocka.h>

#include <time.h>
#include <nuttx/timers/watchdog.h>
#include <nuttx/board.h>

/****************************************************************************
* Pre-processor Definitions
****************************************************************************/

#define WDG_DEFAULT_DEV_PATH "/dev/watchdog0"
#define WDG_DEFAULT_INFO_PATH "/data/wdg_info"
#define WDG_DEFAULT_PINGTIMER 5000
#define WDG_DEFAULT_PINGDELAY 500
#define WDG_DEFAULT_TIMEOUT 2000
#define WDG_DEFAULT_TESTCASE 0
#define WDG_DEFAULT_DEVIATION 20
#define WDG_COUNT_TESTCASE 4

#define OPTARG_TO_VALUE(value, type, base) \
do \
Expand All @@ -73,22 +72,14 @@
* Private Types
****************************************************************************/

enum wdg_reset_cause_e
{
WDG_RESET_CAUSE_NONE,
WDG_RESET_CAUSE_NO_KEEP_ALIVE,
WDG_RESET_CAUSE_CRITICAL_SECTION_BUSY_LOOP,
WDG_RESET_CAUSE_IRQ_BUSY_LOOP
};

struct wdg_state_s
{
char devpath[PATH_MAX];
char infopath[PATH_MAX];
uint32_t pingtime;
uint32_t pingdelay;
uint32_t timeout;
enum wdg_reset_cause_e reset_cause;
uint32_t deviation;
int test_case;
};

/****************************************************************************
Expand Down Expand Up @@ -135,52 +126,6 @@ static uint32_t get_time_elaps(uint32_t prev_tick)
return prev_tick;
}

/****************************************************************************
* Name: wdg_write_reset_cause
****************************************************************************/

static void wdg_write_reset_cause(FAR struct wdg_state_s *state)
{
int fd;
int ret;
ssize_t size;

fd = open(state->infopath, O_WRONLY | O_CREAT, 0666);
assert_true(fd > 0);

size = write(fd, &state->reset_cause, sizeof(state->reset_cause));
assert_int_equal(size, sizeof(state->reset_cause));

ret = fsync(fd);
assert_return_code(ret, OK);
ret = close(fd);
assert_return_code(ret, OK);
}

/****************************************************************************
* Name: wdg_read_reset_cause
****************************************************************************/

static void wdg_read_reset_cause(FAR struct wdg_state_s *state)
{
int fd;
int ret;
ssize_t size;

fd = open(state->infopath, O_RDONLY);
if (fd < 0)
{
state->reset_cause = WDG_RESET_CAUSE_NONE;
return;
}

size = read(fd, &state->reset_cause, sizeof(state->reset_cause));
assert_int_equal(size, sizeof(state->reset_cause));

ret = close(fd);
assert_return_code(ret, OK);
}

/****************************************************************************
* Name: wdg_init
****************************************************************************/
Expand Down Expand Up @@ -215,14 +160,14 @@ static int wdg_init(FAR struct wdg_state_s *state)
static void show_usage(FAR const char *progname,
FAR struct wdg_state_s *wdg_state, int exitcode)
{
printf("Usage: %s -d <devpath> -p <infopath> -t <pingtime>"
"-l <pingdelay> -o <timeout>\n", progname);
printf("Usage: %s -d <devpath> -r <test case> -t <pingtime>"
"-l <pingdelay> -o <timeout> -a <deviation>\n", progname);
printf(" [-d devpath] selects the WATCHDOG device.\n"
" Default: %s Current: %s\n", WDG_DEFAULT_DEV_PATH,
wdg_state->devpath);
printf(" [-p infopath] selects the WATCHDOG reset cause path.\n"
" Default: %s Current: %s\n", WDG_DEFAULT_INFO_PATH,
wdg_state->infopath);
printf(" [-r test_case] selects the testcase.\n"
" Default: %d Current: %d\n", WDG_DEFAULT_TESTCASE,
wdg_state->test_case);
printf(" [-t pingtime] Selects the <delay> time in milliseconds.\n"
" Default: %d Current: %" PRIu32 "\n",
WDG_DEFAULT_PINGTIMER, wdg_state->pingtime);
Expand All @@ -232,6 +177,9 @@ static void show_usage(FAR const char *progname,
printf(" [-o timeout] Time in milliseconds that the testcase will\n"
" Default: %d Current: %" PRIu32 "\n",
WDG_DEFAULT_TIMEOUT, wdg_state->timeout);
printf(" [-a deviation] Watchdog getstatus precision.\n"
" Default: %d Current: %" PRIu32 "\n",
WDG_DEFAULT_DEVIATION, wdg_state->deviation);
printf(" [-h] = Shows this message and exits\n");

exit(exitcode);
Expand All @@ -247,7 +195,7 @@ static void parse_commandline(FAR struct wdg_state_s *wdg_state, int argc,
int ch;
int converted;

while ((ch = getopt(argc, argv, "d:p:t:l:o:h")) != ERROR)
while ((ch = getopt(argc, argv, "d:r:t:l:o:a:h")) != ERROR)
{
switch (ch)
{
Expand All @@ -258,6 +206,16 @@ static void parse_commandline(FAR struct wdg_state_s *wdg_state, int argc,
case 'p':
strlcpy(wdg_state->infopath, optarg,
sizeof(wdg_state->infopath));
case 'r':
OPTARG_TO_VALUE(converted, uint32_t, 10);
if (converted < WDG_DEFAULT_TESTCASE ||
converted >= WDG_COUNT_TESTCASE)
{
printf("signal out of range: %d\n", converted);
show_usage(argv[0], wdg_state, EXIT_FAILURE);
}

wdg_state->test_case = converted;
break;

case 't':
Expand Down Expand Up @@ -286,13 +244,24 @@ static void parse_commandline(FAR struct wdg_state_s *wdg_state, int argc,
OPTARG_TO_VALUE(converted, uint32_t, 10);
if (converted < 1 || converted > INT_MAX)
{
printf("signal out of range: %d", converted);
printf("signal out of range: %d\n", converted);
show_usage(argv[0], wdg_state, EXIT_FAILURE);
}

wdg_state->timeout = (uint32_t)converted;
break;

case 'a':
OPTARG_TO_VALUE(converted, uint32_t, 10);
if (converted < 1 || converted > INT_MAX)
{
printf("signal out of range: %d\n", converted);
show_usage(argv[0], wdg_state, EXIT_FAILURE);
}

wdg_state->deviation = (uint32_t)converted;
break;

case '?':
printf("Unsupported option: %s\n", optarg);
show_usage(argv[0], wdg_state, EXIT_FAILURE);
Expand All @@ -315,18 +284,20 @@ static void test_case_wdog_01(FAR void **state)
int ret;
uint32_t start_ms;
FAR struct wdg_state_s *wdg_state;
struct boardioc_reset_cause_s reset_cause;

wdg_state = (FAR struct wdg_state_s *)*state;

wdg_read_reset_cause(wdg_state);

/* If it's not the first step, skip... */

if (wdg_state->reset_cause != WDG_RESET_CAUSE_NONE)
if (wdg_state->test_case != 0)
{
return;
}

boardctl(BOARDIOC_RESET_CAUSE, (uintptr_t)&reset_cause);
assert_int_equal(reset_cause.cause, BOARDIOC_RESETCAUSE_SYS_CHIPPOR);

dev_fd = wdg_init(wdg_state);

/* Get the starting time */
Expand All @@ -347,11 +318,6 @@ static void test_case_wdog_01(FAR void **state)
assert_return_code(ret, OK);
}

/* write the reset cause */

wdg_state->reset_cause = WDG_RESET_CAUSE_NO_KEEP_ALIVE;
wdg_write_reset_cause(wdg_state);

/* Then stop pinging */

/* Sleep for the requested amount of time */
Expand All @@ -372,20 +338,19 @@ static void test_case_wdog_01(FAR void **state)
static void test_case_wdog_02(FAR void **state)
{
FAR struct wdg_state_s *wdg_state;
struct boardioc_reset_cause_s reset_cause;

wdg_state = (FAR struct wdg_state_s *)*state;

wdg_read_reset_cause(wdg_state);

if (wdg_state->reset_cause != WDG_RESET_CAUSE_NO_KEEP_ALIVE)
if (wdg_state->test_case != 1)
{
return;
}

wdg_init(wdg_state);
boardctl(BOARDIOC_RESET_CAUSE, (uintptr_t)&reset_cause);
assert_int_equal(reset_cause.cause, BOARDIOC_RESETCAUSE_SYS_RWDT);

wdg_state->reset_cause = WDG_RESET_CAUSE_CRITICAL_SECTION_BUSY_LOOP;
wdg_write_reset_cause(wdg_state);
wdg_init(wdg_state);

enter_critical_section();

Expand Down Expand Up @@ -418,20 +383,19 @@ static void test_case_wdog_03(FAR void **state)
int ret;
static struct wdog_s wdog;
FAR struct wdg_state_s *wdg_state;
struct boardioc_reset_cause_s reset_cause;

wdg_state = (FAR struct wdg_state_s *)*state;

wdg_read_reset_cause(wdg_state);

if (wdg_state->reset_cause != WDG_RESET_CAUSE_CRITICAL_SECTION_BUSY_LOOP)
if (wdg_state->test_case != 2)
{
return;
}

wdg_init(wdg_state);
boardctl(BOARDIOC_RESET_CAUSE, (uintptr_t)&reset_cause);
assert_int_equal(reset_cause.cause, BOARDIOC_RESETCAUSE_SYS_RWDT);

wdg_state->reset_cause = WDG_RESET_CAUSE_IRQ_BUSY_LOOP;
wdg_write_reset_cause(wdg_state);
wdg_init(wdg_state);

ret = wd_start(&wdog, 1, wdg_wdentry, (wdparm_t)0);
assert_return_code(ret, OK);
Expand All @@ -457,14 +421,15 @@ static void test_case_wdog_04(FAR void **state)
int ret;
uint32_t start_ms;
FAR struct wdg_state_s *wdg_state;
struct watchdog_status_s status;
struct boardioc_reset_cause_s reset_cause;

wdg_state = (FAR struct wdg_state_s *)*state;

wdg_read_reset_cause(wdg_state);
assert_int_equal(wdg_state->reset_cause, WDG_RESET_CAUSE_IRQ_BUSY_LOOP);
assert_int_equal(wdg_state->test_case, 3);

ret = remove(wdg_state->infopath);
assert_return_code(ret, OK);
boardctl(BOARDIOC_RESET_CAUSE, (uintptr_t)&reset_cause);
assert_int_equal(reset_cause.cause, BOARDIOC_RESETCAUSE_SYS_RWDT);

dev_fd = wdg_init(wdg_state);

Expand All @@ -480,6 +445,17 @@ static void test_case_wdog_04(FAR void **state)

usleep(wdg_state->pingdelay * 1000);

/* Get Status */

ret = ioctl(dev_fd, WDIOC_GETSTATUS, &status);
assert_return_code(ret, OK);

assert_int_equal(status.timeout, wdg_state->timeout);
assert_in_range(
status.timeout - status.timeleft,
wdg_state->pingdelay - wdg_state->deviation,
wdg_state->pingdelay + wdg_state->deviation);

/* Then ping */

ret = ioctl(dev_fd, WDIOC_KEEPALIVE, 0);
Expand Down Expand Up @@ -508,10 +484,11 @@ int main(int argc, FAR char *argv[])
struct wdg_state_s wdg_state =
{
.devpath = WDG_DEFAULT_DEV_PATH,
.infopath = WDG_DEFAULT_INFO_PATH,
.pingtime = WDG_DEFAULT_PINGTIMER,
.pingdelay = WDG_DEFAULT_PINGDELAY,
.timeout = WDG_DEFAULT_TIMEOUT
.timeout = WDG_DEFAULT_TIMEOUT,
.test_case = WDG_DEFAULT_TESTCASE,
.deviation = WDG_DEFAULT_DEVIATION
};

parse_commandline(&wdg_state, argc, argv);
Expand Down
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