add more plumbing for SPI on BeagleBone

[Adafruit_Blinka-hackapet.git] / src / adafruit_blinka / microcontroller / beaglebone_black / pin.py

diff --git a/src/adafruit_blinka/microcontroller/beaglebone_black/pin.py b/src/adafruit_blinka/microcontroller/beaglebone_black/pin.py
index 7755b8b5942d1c7974a269e33176468babc307a8..a379f1dfc438d58c2377dcaeded26b3422b77dc2 100644 (file)
--- a/src/adafruit_blinka/microcontroller/beaglebone_black/pin.py
+++ b/src/adafruit_blinka/microcontroller/beaglebone_black/pin.py
@@ -1,3 +1,5 @@
+import Adafruit_BBIO.GPIO as GPIO
+
 # Pins dont exist in CPython so...lets make our own!
 class Pin:
     IN = 0
@@ -54,12 +56,107 @@ class Pin:
         else:
             return GPIO.input(self.id)
 
-P8_19 = Pin('P8_19')
+P8_3 = Pin('P8_3')
+P8_4 = Pin('P8_4')
+P8_5 = Pin('P8_5')
+P8_6 = Pin('P8_6')
+P8_7 = Pin('P8_7')
+P8_8 = Pin('P8_8')
+P8_9 = Pin('P8_9')
+P8_10 = Pin('P8_10')
+P8_11 = Pin('P8_11')
+P8_12 = Pin('P8_12')
 P8_13 = Pin('P8_13')
+P8_14 = Pin('P8_14')
+P8_15 = Pin('P8_15')
+P8_16 = Pin('P8_16')
+P8_17 = Pin('P8_17')
+P8_18 = Pin('P8_18')
+P8_19 = Pin('P8_19')
+P8_20 = Pin('P8_20')
+P8_21 = Pin('P8_21')
+P8_22 = Pin('P8_22')
+P8_23 = Pin('P8_23')
+P8_24 = Pin('P8_24')
+P8_25 = Pin('P8_25')
+P8_26 = Pin('P8_26')
+P8_27 = Pin('P8_27')
+P8_28 = Pin('P8_28')
+P8_29 = Pin('P8_29')
+P8_30 = Pin('P8_30')
+P8_31 = Pin('P8_31')
+P8_32 = Pin('P8_32')
+P8_33 = Pin('P8_33')
+P8_34 = Pin('P8_34')
+P8_35 = Pin('P8_35')
+P8_36 = Pin('P8_36')
+P8_37 = Pin('P8_37')
+P8_38 = Pin('P8_38')
+P8_39 = Pin('P8_39')
+P8_40 = Pin('P8_40')
+P8_41 = Pin('P8_41')
+P8_42 = Pin('P8_42')
+P8_43 = Pin('P8_43')
+P8_44 = Pin('P8_44')
+P8_45 = Pin('P8_45')
+P8_46 = Pin('P8_46')
+P9_11 = Pin('P9_11')
+P9_12 = Pin('P9_12')
+P9_13 = Pin('P9_13')
+P9_14 = Pin('P9_14')
+P9_15 = Pin('P9_15')
+P9_16 = Pin('P9_16')
+P9_17 = Pin('P9_17')
+P9_18 = Pin('P9_18')
+P9_19 = Pin('P9_19')
+P9_20 = Pin('P9_20')
+P9_21 = Pin('P9_21')
+P9_22 = Pin('P9_22')
+P9_23 = Pin('P9_23')
+P9_24 = Pin('P9_24')
+P9_25 = Pin('P9_25')
+P9_26 = Pin('P9_26')
+P9_27 = Pin('P9_27')
+P9_28 = Pin('P9_28')
+P9_29 = Pin('P9_29')
+P9_30 = Pin('P9_30')
+P9_31 = Pin('P9_31')
+P9_41 = Pin('P9_41')
+P9_42 = Pin('P9_42')
 
+USR0 = Pin('USR0')
+USR1 = Pin('USR1')
+USR2 = Pin('USR2')
+USR3 = Pin('USR3')
+
+SCL = Pin('P9_19')
+SDA = Pin('P9_20')
+
+# 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
+# 
+# Use config-pin to set pin mode for SPI pins
+# https://github.com/beagleboard/bb.org-overlays/tree/master/tools/beaglebone-universal-io
+# config-pin p9.17 spi_cs
+# config-pin p9.18 spi
+# config-pin p9.21 spi
+# config-pin p9.22 spi_sclk
+#
+CE0 = Pin('P9_17')
+MOSI = Pin('P9_18')
+MISO = Pin('P9_21')
+SCLK = Pin('P9_22')
+#CircuitPython naming convention for SPI Clock
+SCK = Pin('P9_22')
 
 # ordered as spiId, sckId, mosiId, misoId
-spiPorts = ()
+#spiPorts = ((0, SCLK, MOSI, MISO), (1, SCLK_1, MOSI_1, MISO_1))
+spiPorts = ((0, SCLK, MOSI, MISO), (1, SCLK, MOSI, MISO))
 
 # ordered as uartId, txId, rxId
 uartPorts = (
@@ -67,6 +164,6 @@ uartPorts = (
 )
 
 i2cPorts = (
-    (),
+    (2, SCL, SDA),
 )