add more plumbing for SPI on BeagleBone

[hackapet/Adafruit_Blinka.git] / src / adafruit_blinka / board / beaglebone_black.py

diff --git a/src/adafruit_blinka/board/beaglebone_black.py b/src/adafruit_blinka/board/beaglebone_black.py
index 337270df3dd180692fb3bc42ec6b3346519f5863..489e332e63521c8f67c665fc3ba878b5686428ee 100644 (file)
--- a/src/adafruit_blinka/board/beaglebone_black.py
+++ b/src/adafruit_blinka/board/beaglebone_black.py
@@ -93,3 +93,16 @@ LED_USR3 = pin.USR3
 
 SDA = pin.SDA
 SCL = pin.SCL
 
 SDA = pin.SDA
 SCL = pin.SCL

+
+# Refer to header default pin modes
+# http://beagleboard.org/static/images/cape-headers.png
+# P9_17 (SPI0_CSO => CE0) enables peripheral device
+# P9_18 (SPI0_D1 => MOSI) outputs data to peripheral device
+# P9_21 (SPIO_DO => MISO) receives data from peripheral device
+# P9_22 (SPI0_SCLK => SCLK) outputs clock signal
+CE0 = pin.CE0
+MOSI = pin.MOSI
+MISO = pin.MISO
+SCLK = pin.SCLK
+#CircuitPython naming convention for SPI Clock
+SCK = pin.SCK