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-rw-r--r--wirish/pwm.h11
1 files changed, 7 insertions, 4 deletions
diff --git a/wirish/pwm.h b/wirish/pwm.h
index 6d0ddaf..d0bc9e0 100644
--- a/wirish/pwm.h
+++ b/wirish/pwm.h
@@ -35,15 +35,18 @@
extern "C"{
#endif
+/**
+ * As a convenience, analogWrite is an alias of pwmWrite to ease
+ * porting Arduino code. However, period and duty will have to be
+ * recalibrated.
+ */
#define analogWrite pwmWrite
/**
- * Set the PWM duty.
+ * Set the PWM duty on the given pin.
*
* User code is expected to determine and honor the maximum value
- * (based on the configured period). As a convenience, analogWrite is
- * an alias of pwmWrite to ease porting Arduino code, though period
- * and duty will have to be recalibrated
+ * (based on the configured period).
*/
void pwmWrite(uint8 pin, uint16 duty_cycle);