add more plumbing for SPI on BeagleBone

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

diff --git a/src/busio.py b/src/busio.py
index 142dcdde8e27ad936972564e5d67cf7d101f33b6..fb3ab1079a19fe3f461b6566ff8844644a61dc97 100755 (executable)
--- a/src/busio.py
+++ b/src/busio.py
@@ -18,6 +18,8 @@ class I2C(Lockable):
         self.deinit()
         if board_id == "raspi_3" or board_id == "raspi_2":
             from adafruit_blinka.microcontroller.raspi_23.i2c import I2C as _I2C
+        if board_id == "beaglebone_black":
+            from adafruit_blinka.microcontroller.raspi_23.i2c import I2C as _I2C
         else:
             from machine import I2C as _I2C
         from microcontroller.pin import i2cPorts
@@ -69,16 +71,26 @@ class I2C(Lockable):
 
 class SPI(Lockable):
     def __init__(self, clock, MOSI=None, MISO=None):
+        print("SPI(): __init()")
         self.deinit()
         if board_id == "raspi_3" or board_id == "raspi_2":
             from adafruit_blinka.microcontroller.raspi_23.spi import SPI as _SPI
+        elif board_id == "beaglebone_black":
+            print("SPI(): beaglebone_black: from adafruit_blinka.microcontroller.raspi_23.spi import SPI as _SPI")
+            from adafruit_blinka.microcontroller.raspi_23.spi import SPI as _SPI
         else:
             from machine import SPI as _SPI
         from microcontroller.pin import spiPorts
+        print("spiPorts: {0}".format(spiPorts))
+        print("for:")
         for portId, portSck, portMosi, portMiso in spiPorts:
+            print(portId, portSck, portMosi, portMiso)
             if ((clock == portSck) and                   # Clock is required!
                 (MOSI == portMosi or MOSI == None) and   # But can do with just output
                 (MISO == portMiso or MISO == None)):      # Or just input
+                print("Line 91")
+                print(_SPI)
+                print(_SPI(portId))
                 self._spi = _SPI(portId)
                 self._pins = (portSck, portMosi, portMiso)
                 break
@@ -91,6 +103,10 @@ class SPI(Lockable):
         if board_id == "raspi_3" or board_id == "raspi_2":
             from adafruit_blinka.microcontroller.raspi_23.spi import SPI as _SPI
             from adafruit_blinka.microcontroller.raspi_23.pin import Pin
+        elif board_id == "beaglebone_black":
+            # reuse the raspberry pi class as both boards use Linux spidev
+            from adafruit_blinka.microcontroller.raspi_23.spi import SPI as _SPI
+            from adafruit_blinka.microcontroller.beaglebone_black.pin import Pin
         else:
             from machine import SPI as _SPI
             from machine import Pin