X-Git-Url: https://git.ayoreis.com/hackapet/Adafruit_Blinka.git/blobdiff_plain/82eaa9922d617f77d39a1046dfceb7dab611af24..c72b2913f8b11bc650b5a17f087a058cf7948fb9:/src/busio.py

diff --git a/src/busio.py b/src/busio.py
index eadd646..5ec726b 100755
--- a/src/busio.py
+++ b/src/busio.py
@@ -25,6 +25,8 @@ class I2C(Lockable):
             return
         elif detector.board.binho_nova:
             from adafruit_blinka.microcontroller.nova.i2c import I2C
+        elif detector.board.microchip_mcp2221:
+            from adafruit_blinka.microcontroller.mcp2221.i2c import I2C
             self._i2c = I2C()
             return
         elif detector.board.any_embedded_linux:
@@ -33,9 +35,12 @@ class I2C(Lockable):
             from machine import I2C as _I2C
         from microcontroller.pin import i2cPorts
         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)
+                    break
+            except RuntimeError:
+                pass
         else:
             raise ValueError(
                 "No Hardware I2C on (scl,sda)={}\nValid I2C ports: {}".format((scl, sda), i2cPorts)
@@ -94,9 +99,9 @@ class SPI(Lockable):
             return
         elif detector.board.binho_nova:
             from adafruit_blinka.microcontroller.nova.spi import SPI as _SPI
-            #from adafruit_blinka.microcontroller.nova.pin import SCK, MOSI, MISO
+            from adafruit_blinka.microcontroller.nova.pin import SCK, MOSI, MISO
             self._spi = _SPI(clock)
-            #self._pins = (SCK, MOSI, MISO)
+            self._pins = (SCK, MOSI, MISO)
             return
         elif detector.board.any_embedded_linux:
             from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI
@@ -154,7 +159,7 @@ class SPI(Lockable):
             from adafruit_blinka.microcontroller.ft232h.pin import Pin
         elif detector.board.binho_nova:
             from adafruit_blinka.microcontroller.nova.spi import SPI as _SPI
-            #from adafruit_blinka.microcontroller.nova.pin import Pin
+            from adafruit_blinka.microcontroller.nova.pin import Pin
         else:
             from machine import SPI as _SPI
             from machine import Pin
@@ -214,9 +219,15 @@ class UART(Lockable):
                  flow=None):
         if detector.board.any_embedded_linux:
             raise RuntimeError('busio.UART not supported on this platform. Please use pyserial instead.')
+        elif detector.board.binho_nova:
+            from adafruit_blinka.microcontroller.nova.uart import UART as _UART
         else:
             from machine import UART as _UART
-        from microcontroller.pin import uartPorts
+
+        if detector.board.binho_nova:
+            from adafruit_blinka.microcontroller.nova.pin import uartPorts
+        else:
+            from microcontroller.pin import uartPorts
 
         self.baudrate = baudrate
 
@@ -254,6 +265,8 @@ class UART(Lockable):
             )
 
     def deinit(self):
+        if detector.board.binho_nova:
+            self._uart.deinit()
         self._uart = None
 
     def read(self, nbytes=None):