X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=wiringPi%2FsoftPwm.c;h=b568dfb45ca509131f1c013403b35fb79d38a1fc;hb=c6799ea9980082412daddf7167000e9ecc0d0577;hp=56bf4d88ffa661b498ff755fbca4340466e0e7a5;hpb=a20fb1b1540e721ae373c3474e4dc201a95d2c61;p=wiringPi.git

diff --git a/wiringPi/softPwm.c b/wiringPi/softPwm.c
index 56bf4d8..b568dfb 100644
--- a/wiringPi/softPwm.c
+++ b/wiringPi/softPwm.c
@@ -84,8 +84,22 @@ static PI_THREAD (softPwmThread)
   return NULL ;
 }
 
+
+/*
+ * softPwmWrite:
+ *	Write a PWM value to the given pin
+ *********************************************************************************
+ */
+
 void softPwmWrite (int pin, int value)
 {
+  pin &= 63 ;
+
+  /**/ if (value < 0)
+    value = 0 ;
+  else if (value > range [pin])
+    value = range [pin] ;
+
   marks [pin] = value ;
 }