add raspi_1b_rev2 pins; module docstrings for board definitions

[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..5658ffb8295a15aef9ae603db063139df9949eb9 100644 (file)
--- a/src/adafruit_blinka/board/beaglebone_black.py
+++ b/src/adafruit_blinka/board/beaglebone_black.py
@@ -1,4 +1,5 @@
-from adafruit_blinka.microcontroller.beaglebone_black import pin
+"""Pin definitions for the Beaglebone Black."""
+from adafruit_blinka.microcontroller.am335x import pin
 
 # initial pins, to mimic bonescript demo
 P8_3 = pin.P8_3
@@ -75,7 +76,7 @@ LED_USR2 = pin.USR2
 LED_USR3 = pin.USR3
 
 # I2C and SPI pins from:
-# src/adafruit_blinka/board/raspi_23.py
+# src/adafruit_blinka/board/raspi_40pin.py
 # SDA = pin.SDA
 # SCL = pin.SCL
 # CE1 = pin.D7
@@ -93,3 +94,25 @@ LED_USR3 = pin.USR3
 
 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
+
+# SPI1 pins
+# http://beagleboard.org/static/images/cape-headers-spi.png
+CE1 = pin.CE1
+MOSI_1 = pin.MOSI_1
+MISO_1 = pin.MISO_1
+SCLK_1 = pin.SCLK_1
+#CircuitPython naming convention for SPI Clock
+SCK_1 = pin.SCK_1