diff options
Diffstat (limited to 'apps/examples/qencoder/qe_main.c')
| -rw-r--r-- | apps/examples/qencoder/qe_main.c | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/apps/examples/qencoder/qe_main.c b/apps/examples/qencoder/qe_main.c index c9a4d30e6..5d402ce41 100644 --- a/apps/examples/qencoder/qe_main.c +++ b/apps/examples/qencoder/qe_main.c @@ -99,9 +99,10 @@ static void qe_help(void) { message("\nUsage: qe [OPTIONS]\n\n"); message("OPTIONS include:\n"); - message(" [-n samples] number of samples\n"); - message(" [-r] reset the count\n"); - message(" [-h] shows this message and exits\n\n"); + message(" [-n samples] Number of samples\n"); + message(" [-t msec] Delay between samples (msec)\n"); + message(" [-r] Reset the position to zero\n"); + message(" [-h] Shows this message and exits\n\n"); } #endif @@ -157,6 +158,7 @@ void parse_args(int argc, FAR char **argv) g_qeexample.reset = false; g_qeexample.nloops = 1; + g_qeexample.delay = CONFIG_EXAMPLES_QENCODER_DELAY; for (index = 1; index < argc; ) { @@ -177,7 +179,19 @@ void parse_args(int argc, FAR char **argv) exit(1); } - g_qeexample.nloops = (int)value; + g_qeexample.nloops = (unsigned int)value; + index += nargs; + break; + + case 't': + nargs = arg_decimal(&argv[index], &value); + if (value < 0 || value > INT_MAX) + { + message("Sample delay out of range: %ld\n", value); + exit(1); + } + + g_qeexample.delay = (unsigned int)value; index += nargs; break; @@ -298,6 +312,14 @@ int MAIN_NAME(int argc, char *argv[]) { message(MAIN_STRING " %d\n", position); } + + /* Delay a little bit */ + +#if defined(CONFIG_NSH_BUILTIN_APPS) + usleep(g_qeexample.delay * 1000); +#else + usleep(CONFIG_EXAMPLES_QENCODER_DELAY * 1000); +#endif } errout_with_dev: |