Allow to not use all channet in a lower part of PWM

2016-05-30 11:58:22 -06:00 · 2016-05-30 11:58:22 -06:00 · 39c1e3aba2
parent 5ef3e3e215
commit 39c1e3aba2
1 changed files with 9 additions and 0 deletions
--- a/arch/arm/src/stm32/stm32_pwm.c
+++ b/arch/arm/src/stm32/stm32_pwm.c
@ -1314,6 +1314,15 @@ static int pwm_timer(FAR struct stm32_pwmtimer_s *priv,
      duty = info->channels[i].duty;
      channel = info->channels[i].channel;

+      /* A value of zero means to skip this channel */
+
+      if (channel == 0)
+        {
+          continue;
+        }
+
+      /* Find the channel */
+
      for (j = 0; j < PWM_NCHANNELS; j++)
        {
          if (priv->channels[j].channel == channel)