add SPI frequency property

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

diff --git a/src/busio.py b/src/busio.py
index 0ddf7dc516b0cee5b9d60770329e317dc4cccc51..9702848a841246889af28d575e41db6baa51861a 100755 (executable)
--- a/src/busio.py
+++ b/src/busio.py
@@ -17,7 +17,11 @@ class I2C(Lockable):
 
     def init(self, scl, sda, frequency):
         self.deinit()
-        if detector.board.any_embedded_linux:
+        if detector.board.ftdi_ft232h:
+            from adafruit_blinka.microcontroller.ft232h.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:
             from machine import I2C as _I2C
@@ -28,7 +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):
@@ -72,7 +76,13 @@ class I2C(Lockable):
 class SPI(Lockable):
     def __init__(self, clock, MOSI=None, MISO=None):
         self.deinit()
-        if detector.board.any_embedded_linux:
+        if detector.board.ftdi_ft232h:
+            from adafruit_blinka.microcontroller.ft232h.spi import SPI as _SPI
+            from adafruit_blinka.microcontroller.ft232h.pin import SCK, MOSI, MISO
+            self._spi = _SPI()
+            self._pins = (SCK, MOSI, MISO)
+            return
+        elif detector.board.any_embedded_linux:
             from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI
         else:
             from machine import SPI as _SPI
@@ -123,6 +133,9 @@ class SPI(Lockable):
         elif board_id == ap_board.JETSON_XAVIER:
             from adafruit_blinka.microcontroller.generic_linux.spi import SPI as _SPI
             from adafruit_blinka.microcontroller.tegra.t194.pin import Pin
+        elif detector.board.ftdi_ft232h:
+            from adafruit_blinka.microcontroller.ft232h.spi import SPI as _SPI
+            from adafruit_blinka.microcontroller.ft232h.pin import Pin
         else:
             from machine import SPI as _SPI
             from machine import Pin
@@ -146,6 +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)