fixed wrong calculation of read pwm frequency

some more error handling
2015-11-14 14:35:42 +01:00
parent db379ccdf0
commit 7d6d289178
2 changed files with 12 additions and 8 deletions
--- a/ledd/controller.py
+++ b/ledd/controller.py
@@ -117,7 +117,7 @@ class Controller(Base):

    @property
    def pwm_freq(self):
-        self._pwm_freq = (self.bus.read_byte_data(self._address, PCA9685_PRESCALE) + 1) / 4096 * 25000000
+        self._pwm_freq = round(390625 / ((self.bus.read_byte_data(self._address, PCA9685_PRESCALE) + 1) * 64))
        return self._pwm_freq

    @pwm_freq.setter