sergiotarxz/nuttx-apps
sergiotarxz/nuttx-apps
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Examples/WDT: Added argument to select devname

Browse Source
This commit is contained in:
saramonteiro 2020-10-26 09:49:20 -03:00 committed by Alan Carvalho de Assis
parent 909eff540d
commit 2279eeb0a7
1 changed files with 40 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

59
examples/watchdog/watchdog_main.c
View File

@ -53,6 +53,12 @@
#include "watchdog.h" #include "watchdog.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define DEVNAME_SIZE 16
/**************************************************************************** /****************************************************************************
* Private Types * Private Types
****************************************************************************/ ****************************************************************************/
@ -62,6 +68,7 @@ struct wdog_example_s
uint32_t pingtime; uint32_t pingtime;
uint32_t pingdelay; uint32_t pingdelay;
uint32_t timeout; uint32_t timeout;
char devname[DEVNAME_SIZE];
}; };
/**************************************************************************** /****************************************************************************
@ -74,17 +81,21 @@ struct wdog_example_s
static void wdog_help(void) static void wdog_help(void)
{ {
printf("Usage: wdog [-h] [-d <pingtime] [-p <pingdelay>] [-t <timeout>]\n"); printf("Usage: wdog [-h] [-d <pingtime] [-p <pingdelay>]\
printf("\nInitialize the watchdog to the <timeout>. Start the watchdog\n"); [-t <timeout>]\n");
printf("timer. Ping for the watchdog for <pingtime> seconds, then let it expire.\n"); printf("\nInitialize the watchdog to the <timeout>. Start the watchdog\n");
printf("timer. Ping for the watchdog for <pingtime> seconds\n");
printf("then let it expire.\n");
printf("\nOptions include:\n"); printf("\nOptions include:\n");
printf(" [-d <pingtime>] = Selects the <delay> time in milliseconds. Default: %d\n", printf(" [-d <pingtime>] = Selects the <delay> time in milliseconds.\n");
CONFIG_EXAMPLES_WATCHDOG_PINGDELAY); printf("Default: %d\n", CONFIG_EXAMPLES_WATCHDOG_PINGTIME);
printf(" [-p <pingdelay] = Time delay between pings in milliseconds. Default: %d\n", printf(" [-i </dev/watchdogx>] = Selects the watchdog timer instance.\n");
CONFIG_EXAMPLES_WATCHDOG_PINGTIME); printf("Default: %s\n", CONFIG_EXAMPLES_WATCHDOG_DEVPATH);
printf(" [-t timeout] = Time in milliseconds that the example will ping the watchdog\n"); printf(" [-p <pingdelay] = Time delay between pings in milliseconds.\n");
printf(" before letting the watchdog expire. Default: %d\n", printf("Default: %d\n", CONFIG_EXAMPLES_WATCHDOG_PINGDELAY);
CONFIG_EXAMPLES_WATCHDOG_TIMEOUT); printf(" [-t timeout] = Time in milliseconds that the example will\n");
printf("ping the watchdog before letting the watchdog expire.\n");
printf("Default: %d\n", CONFIG_EXAMPLES_WATCHDOG_TIMEOUT);
printf(" [-h] = Shows this message and exits\n"); printf(" [-h] = Shows this message and exits\n");
} }
@ -126,9 +137,11 @@ static int arg_decimal(FAR char **arg, FAR long *value)
* Name: parse_args * Name: parse_args
****************************************************************************/ ****************************************************************************/
static void parse_args(FAR struct wdog_example_s *wdog, int argc, FAR char **argv) static void parse_args(FAR struct wdog_example_s *wdog, int argc,
FAR char **argv)
{ {
FAR char *ptr; FAR char *ptr;
FAR char *string;
long value; long value;
int index; int index;
int nargs; int nargs;
@ -136,6 +149,7 @@ static void parse_args(FAR struct wdog_example_s *wdog, int argc, FAR char **arg
wdog->pingtime = CONFIG_EXAMPLES_WATCHDOG_PINGTIME; wdog->pingtime = CONFIG_EXAMPLES_WATCHDOG_PINGTIME;
wdog->pingdelay = CONFIG_EXAMPLES_WATCHDOG_PINGDELAY; wdog->pingdelay = CONFIG_EXAMPLES_WATCHDOG_PINGDELAY;
wdog->timeout = CONFIG_EXAMPLES_WATCHDOG_TIMEOUT; wdog->timeout = CONFIG_EXAMPLES_WATCHDOG_TIMEOUT;
strcpy(wdog->devname, CONFIG_EXAMPLES_WATCHDOG_DEVPATH);
for (index = 1; index < argc; ) for (index = 1; index < argc; )
{ {
@ -160,6 +174,12 @@ static void parse_args(FAR struct wdog_example_s *wdog, int argc, FAR char **arg
index += nargs; index += nargs;
break; break;
case 'i':
nargs = arg_string(&argv[index], &string);
strcpy(wdog->devname, string);
index += nargs;
break;
case 'p': case 'p':
nargs = arg_decimal(&argv[index], &value); nargs = arg_decimal(&argv[index], &value);
if (value < 1 || value > INT_MAX) if (value < 1 || value > INT_MAX)
@ -220,11 +240,11 @@ int main(int argc, FAR char *argv[])
/* Open the watchdog device for reading */ /* Open the watchdog device for reading */
fd = open(CONFIG_EXAMPLES_WATCHDOG_DEVPATH, O_RDONLY); fd = open(wdog.devname, O_RDONLY);
if (fd < 0) if (fd < 0)
{ {
printf("wdog_main: open %s failed: %d\n", printf("wdog_main: open %s failed: %d\n",
CONFIG_EXAMPLES_WATCHDOG_DEVPATH, errno); wdog.devname, errno);
goto errout; goto errout;
} }
@ -260,8 +280,8 @@ int main(int argc, FAR char *argv[])
#ifdef CONFIG_DEBUG_WATCHDOG #ifdef CONFIG_DEBUG_WATCHDOG
ret = ioctl(fd, WDIOC_GETSTATUS, (unsigned long)&status); ret = ioctl(fd, WDIOC_GETSTATUS, (unsigned long)&status);
if (ret < 0) if (ret < 0)
{ {
printf("wdog_main: ioctl(WDIOC_GETSTATUS) failed: %d\n", errno); printf("wdog_main: ioctl(WDIOC_GETSTATUS) failed: %d\n", errno);
goto errout_with_dev; goto errout_with_dev;
} }
@ -273,8 +293,8 @@ int main(int argc, FAR char *argv[])
/* Then ping */ /* Then ping */
ret = ioctl(fd, WDIOC_KEEPALIVE, 0); ret = ioctl(fd, WDIOC_KEEPALIVE, 0);
if (ret < 0) if (ret < 0)
{ {
printf("wdog_main: ioctl(WDIOC_KEEPALIVE) failed: %d\n", errno); printf("wdog_main: ioctl(WDIOC_KEEPALIVE) failed: %d\n", errno);
goto errout_with_dev; goto errout_with_dev;
} }
@ -297,11 +317,12 @@ int main(int argc, FAR char *argv[])
#ifdef CONFIG_DEBUG_WATCHDOG #ifdef CONFIG_DEBUG_WATCHDOG
ret = ioctl(fd, WDIOC_GETSTATUS, (unsigned long)&status); ret = ioctl(fd, WDIOC_GETSTATUS, (unsigned long)&status);
if (ret < 0) if (ret < 0)
{ {
printf("wdog_main: ioctl(WDIOC_GETSTATUS) failed: %d\n", errno); printf("wdog_main: ioctl(WDIOC_GETSTATUS) failed: %d\n", errno);
goto errout_with_dev; goto errout_with_dev;
} }
printf("wdog_main: flags=%08x timeout=%d timeleft=%d\n", printf("wdog_main: flags=%08x timeout=%d timeleft=%d\n",
status.flags, status.timeout, status.timeleft); status.flags, status.timeout, status.timeleft);
#endif #endif