Merge pull request #5 from adafruit/pi_1_revision_detect

WIP: first pass at switching up pi 1 revision detection

Author: brennen

adafruit_platformdetect/board.py

@@ -26,7 +26,8 @@
 NODEMCU                     = "NODEMCU"
 ORANGE_PI_PC                = "ORANGE_PI_PC"
 
-RASPBERRY_PI_B              = "RASPBERRY_PI_B"
+RASPBERRY_PI_B_REV1         = "RASPBERRY_PI_B_REV1"
+RASPBERRY_PI_B_REV2         = "RASPBERRY_PI_B_REV2"
 RASPBERRY_PI_B_PLUS         = "RASPBERRY_PI_B_PLUS"
 RASPBERRY_PI_A              = "RASPBERRY_PI_A"
 RASPBERRY_PI_A_PLUS         = "RASPBERRY_PI_A_PLUS"
@@ -40,6 +41,17 @@
 RASPBERRY_PI_3A_PLUS        = "RASPBERRY_PI_3A_PLUS"
 # pylint: enable=bad-whitespace
 
+_RASPBERRY_PI_40_PIN_IDS = (
+    RASPBERRY_PI_B_PLUS,
+    RASPBERRY_PI_A_PLUS,
+    RASPBERRY_PI_ZERO,
+    RASPBERRY_PI_ZERO_W,
+    RASPBERRY_PI_2B,
+    RASPBERRY_PI_3B,
+    RASPBERRY_PI_3B_PLUS,
+    RASPBERRY_PI_3A_PLUS
+)
+
 _BEAGLEBONE_IDS = (
     BEAGLEBONE,
     BEAGLEBONE_BLACK,
@@ -58,17 +70,6 @@
     OSD3358_SM_RED,
 )
 
-_RASPBERRY_PI_40_PIN_IDS = (
-    RASPBERRY_PI_B_PLUS,
-    RASPBERRY_PI_A_PLUS,
-    RASPBERRY_PI_ZERO,
-    RASPBERRY_PI_ZERO_W,
-    RASPBERRY_PI_2B,
-    RASPBERRY_PI_3B,
-    RASPBERRY_PI_3B_PLUS,
-    RASPBERRY_PI_3A_PLUS
-)
-
 # BeagleBone eeprom board ids from:
 #   https://github.com/beagleboard/image-builder
 # Thanks to zmatt on freenode #beagle for pointers.
@@ -138,7 +139,8 @@
 #   https://www.raspberrypi.org/documentation/hardware/raspberrypi/revision-codes/README.md
 
 _PI_REV_CODES = {
-    RASPBERRY_PI_B: ('0002', '0003', '0004', '0005', '0006', '000d', '000e', '000f'),
+    RASPBERRY_PI_B_REV1: ('0002', '0003'),
+    RASPBERRY_PI_B_REV2: ('0005', '0006', '000d', '000e', '000f'),
     RASPBERRY_PI_B_PLUS: ('0010', '0013', '900032'),
     RASPBERRY_PI_A: ('0007', '0008', '0009'),
     RASPBERRY_PI_A_PLUS: ('0012', '0015', '900021'),