Enable spi init and read

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

diff --git a/src/busio.py b/src/busio.py
index 94f8f674a96660d0bb5ce68dca2bec211e100a09..17a7fc9998e7c306430c9bcb487b752e23f8a928 100755 (executable)
--- a/src/busio.py
+++ b/src/busio.py
@@ -21,6 +21,10 @@ class I2C(Lockable):
             from adafruit_blinka.microcontroller.ft232h.i2c import I2C
             self._i2c = I2C()
             return
+        elif detector.board.binho_nova:
+            from adafruit_blinka.microcontroller.nova.i2c import I2C
+            self._i2c = I2C()
+            return
         elif detector.board.any_embedded_linux:
             from adafruit_blinka.microcontroller.generic_linux.i2c import I2C as _I2C
         else:
@@ -31,7 +35,7 @@ class I2C(Lockable):
                 self._i2c = _I2C(portId, mode=_I2C.MASTER, baudrate=frequency)
                 break
         else:
-            raise NotImplementedError(
+            raise ValueError(
                 "No Hardware I2C on (scl,sda)={}\nValid I2C ports: {}".format((scl, sda), i2cPorts)
             )
 
@@ -82,6 +86,12 @@ class SPI(Lockable):
             self._spi = _SPI()
             self._pins = (SCK, MOSI, MISO)
             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
+            self._spi = _SPI(clock)
+            #self._pins = (SCK, MOSI, MISO)
+            return
         elif detector.board.any_embedded_linux:
             from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI
         else:
@@ -95,7 +105,7 @@ 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))
 
@@ -136,6 +146,9 @@ class SPI(Lockable):
         elif detector.board.ftdi_ft232h:
             from adafruit_blinka.microcontroller.ft232h.spi import SPI as _SPI
             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
         else:
             from machine import SPI as _SPI
             from machine import Pin
@@ -159,6 +172,13 @@ 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)
 
@@ -223,7 +243,7 @@ class UART(Lockable):
                 )
                 break
         else:
-            raise NotImplementedError(
+            raise ValueError(
                 "No Hardware UART on (tx,rx)={}\nValid UART ports: {}".format((tx, rx), uartPorts)
             )