add SPI frequency property

[hackapet/Adafruit_Blinka.git] / src / busio.py

diff --git a/src/busio.py b/src/busio.py
index 9003bab9f257add8fef9108b88e449aebe1a398a..9702848a841246889af28d575e41db6baa51861a 100755 (executable)
--- a/src/busio.py
+++ b/src/busio.py
@@ -32,7 +32,7 @@ class I2C(Lockable):
                 break
         else:
             raise NotImplementedError(
-                "No Hardware I2C on (scl,sda)={}\nValid UART ports: {}".format((scl, sda), i2cPorts)
+                "No Hardware I2C on (scl,sda)={}\nValid I2C ports: {}".format((scl, sda), i2cPorts)
             )
 
     def deinit(self):
@@ -159,6 +159,13 @@ class SPI(Lockable):
         self._spi = None
         self._pinIds = None
 
+    @property
+    def frequency(self):
+        try:
+            return self._spi.frequency
+        except AttributeError:
+            raise NotImplementedError("Frequency attribute not implemented for this platform")
+
     def write(self, buf, start=0, end=None):
         return self._spi.write(buf, start, end)