X-Git-Url: https://git.ayoreis.com/hackapet/Adafruit_Blinka.git/blobdiff_plain/76ca3e6a3c4c2f2695d96bdb0ee2db66d3f0f32c..b3f89e94392499446b659e829e666eb0631abbfd:/src/busio.py

diff --git a/src/busio.py b/src/busio.py
index 73c88ef..aa9b2e1 100755
--- a/src/busio.py
+++ b/src/busio.py
@@ -28,12 +28,17 @@ class I2C(Lockable):
         else:
             from machine import I2C as _I2C
         from microcontroller.pin import i2cPorts
+        busnum = None
         for portId, portScl, portSda in i2cPorts:
-            if scl == portScl and sda == portSda:
-                self._i2c = _I2C(portId, mode=_I2C.MASTER, baudrate=frequency)
-                break
+            try:
+                if scl == portScl and sda == portSda:
+                    self._i2c = _I2C(portId, mode=_I2C.MASTER, baudrate=frequency)
+                    busnum = portId
+                    break
+            except RuntimeError:
+                pass
         else:
-            raise NotImplementedError(
+            raise ValueError(
                 "No Hardware I2C on (scl,sda)={}\nValid I2C ports: {}".format((scl, sda), i2cPorts)
             )
 
@@ -101,7 +106,7 @@ class SPI(Lockable):
                 self._pins = (portSck, portMosi, portMiso)
                 break
         else:
-            raise NotImplementedError(
+            raise ValueError(
                 "No Hardware SPI on (SCLK, MOSI, MISO)={}\nValid SPI ports:{}".
                 format((clock, MOSI, MISO), spiPorts))
 
@@ -236,7 +241,7 @@ class UART(Lockable):
                 )
                 break
         else:
-            raise NotImplementedError(
+            raise ValueError(
                 "No Hardware UART on (tx,rx)={}\nValid UART ports: {}".format((tx, rx), uartPorts)
             )