examples/pwm: remove refenrences to PULSECOUNT

Remove refenrences to PULSECOUNT from PWM example.
Pulse count driver will be handled by separate application.

Signed-off-by: raiden00pl <raiden00@railab.me>

examples/pwm/Kconfig

@@ -28,8 +28,7 @@ config EXAMPLES_PWM_DURATION
 	int "Default PWM duration"
 	default 5
 	---help---
-		The default PWM pulse train duration in seconds.  Used only if the current
+		The default PWM pulse train duration in seconds.  Default: 5 seconds
-		pulse count is zero.  Default: 5 seconds
 
 config EXAMPLES_PWM_DUTYPCT1
 	int "First PWM duty percentage"
@@ -135,13 +134,4 @@ config EXAMPLES_PWM_CHANNEL6
 
 endif
 
-config EXAMPLES_PWM_PULSECOUNT
-	int "Default pulse count"
-	default 0
-	depends on PWM_PULSECOUNT
-	---help---
-		The initial PWM pulse count.  This option is only available if
-		PWM_PULSECOUNT is defined.  Default: 0 (i.e., use the duration, not
-		the count).
-
 endif

examples/pwm/pwm.h

@@ -45,12 +45,8 @@
  * CONFIG_EXAMPLES_PWM_CHANNELn - The PWM channel number for channel n.
  *   Default: n
  * CONFIG_EXAMPLES_PWM_DURATION - The initial PWM pulse train duration
- *   in seconds. Used only if the current pulse count is zero
+ *   in seconds.
- *   (pulse count is only supported if CONFIG_PWM_PULSECOUNT is defined).
  *   Default: 5 seconds
- * CONFIG_EXAMPLES_PWM_PULSECOUNT - The initial PWM pulse count.
- *   This option is only available if CONFIG_PWM_PULSECOUNT is defined.
- *   Default: 0 (i.e., use the duration, not the count).
  */
 
 #ifndef CONFIG_PWM
@@ -69,10 +65,6 @@
 #  define CONFIG_EXAMPLES_PWM_DURATION 5
 #endif
 
-#ifndef CONFIG_EXAMPLES_PWM_PULSECOUNT
-#  define CONFIG_EXAMPLES_PWM_PULSECOUNT 0
-#endif
-
 /****************************************************************************
  * Public Types
  ****************************************************************************/

examples/pwm/pwm_main.c

@@ -98,9 +98,6 @@ struct pwm_state_s
   int8_t    channels[CONFIG_PWM_NCHANNELS];
   uint8_t   duties[CONFIG_PWM_NCHANNELS];
   uint32_t  freq;
-#ifdef CONFIG_PWM_PULSECOUNT
-  uint32_t  count;
-#endif
   int       duration;
 };
 
@@ -230,11 +227,6 @@ static void pwm_help(FAR struct pwm_state_s *pwm)
     }
 
   printf("\n");
-#ifdef CONFIG_PWM_PULSECOUNT
-  printf("  [-n count] selects the pulse count.  "
-         "Default: %d Current: %" PRIx32 "\n",
-         CONFIG_EXAMPLES_PWM_PULSECOUNT, pwm->count);
-#endif
   printf("  [-t duration] is the duration of the pulse train in seconds.  "
          "Default: %d Current: %d\n",
          CONFIG_EXAMPLES_PWM_DURATION, pwm->duration);
@@ -361,20 +353,6 @@ static void parse_args(FAR struct pwm_state_s *pwm, int argc,
             index += nargs;
             break;
 
-#ifdef CONFIG_PWM_PULSECOUNT
-          case 'n':
-            nargs = arg_decimal(&argv[index], &value);
-            if (value < 0)
-              {
-                printf("Count must be non-negative: %ld\n", value);
-                exit(1);
-              }
-
-            pwm->count = (uint32_t)value;
-            index += nargs;
-            break;
-#endif
-
           case 'p':
             nargs = arg_string(&argv[index], &str);
             pwm_devpath(pwm, str);
@@ -449,9 +427,6 @@ int main(int argc, FAR char *argv[])
 #endif
       g_pwmstate.freq        = CONFIG_EXAMPLES_PWM_FREQUENCY;
       g_pwmstate.duration    = CONFIG_EXAMPLES_PWM_DURATION;
-#ifdef CONFIG_PWM_PULSECOUNT
-      g_pwmstate.count       = CONFIG_EXAMPLES_PWM_PULSECOUNT;
-#endif
       g_pwmstate.initialized = true;
     }
 
@@ -511,10 +486,6 @@ int main(int argc, FAR char *argv[])
         info.channels[i].channel, info.channels[i].duty);
     }
 
-#ifdef CONFIG_PWM_PULSECOUNT
-  info.channels[0].count = g_pwmstate.count;
-  printf(" count: %" PRIx32, info.channels[0].count);
-#endif
   printf("\n");
 
   ret = ioctl(fd, PWMIOC_SETCHARACTERISTICS,
@@ -526,9 +497,7 @@ int main(int argc, FAR char *argv[])
       goto errout_with_dev;
     }
 
-  /* Then start the pulse train.  Since the driver was opened in blocking
+  /* Then start the pulse train. */
-   * mode, this call will block if the count value is greater than zero.
-   */
 
   ret = ioctl(fd, PWMIOC_START, 0);
   if (ret < 0)
@@ -537,28 +506,19 @@ int main(int argc, FAR char *argv[])
       goto errout_with_dev;
     }
 
-  /* It a non-zero count was not specified, then wait for the selected
+  /* Wait for the specified duration, then stop the PWM output. */
-   * duration, then stop the PWM output.
-   */
 
-#ifdef CONFIG_PWM_PULSECOUNT
+  sleep(g_pwmstate.duration);
-  if (info.channels[0].count == 0)
+
-#endif
+  /* Then stop the pulse train */
+
+  printf("pwm_main: stopping output\n");
+
+  ret = ioctl(fd, PWMIOC_STOP, 0);
+  if (ret < 0)
     {
-      /* Wait for the specified duration */
+      printf("pwm_main: ioctl(PWMIOC_STOP) failed: %d\n", errno);
-
+      goto errout_with_dev;
-      sleep(g_pwmstate.duration);
-
-      /* Then stop the pulse train */
-
-      printf("pwm_main: stopping output\n");
-
-      ret = ioctl(fd, PWMIOC_STOP, 0);
-      if (ret < 0)
-        {
-          printf("pwm_main: ioctl(PWMIOC_STOP) failed: %d\n", errno);
-          goto errout_with_dev;
-        }
     }
 
   close(fd);