src/adafruit_blinka/agnostic/__init__.py

   1 """Allows useful indirection to test Pin naming logic by switching platform in testing
   2     or provide bootstrapping logic for board identification where auto-detection is not
   3     feasible (e.g. multiple ESP8266 boards architecturally identical). Once runtime
   4     environment is established, can choose various routes to make available and re-export
   5     common modules and operations, depending on platform support
   6 """
   7 import sys
   8
   9 # We intentionally are patching into this namespace as module names so skip the name check.
  10 # pylint: disable=invalid-name
  11 platform = sys.platform
  12
  13 board_id = None
  14
  15 if platform is not None:
  16     if platform == "esp8266":  # TODO more conservative board-guessing
  17         board_id = "feather_huzzah"
  18     elif platform == "samd21":
  19         board_id = "feather_m0_express"
  20     elif platform == "pyboard":
  21         platform = "stm32"
  22         board_id = "pyboard"
  23     elif platform == "linux":
  24         import re
  25         # we're going to redo the Platform detection, this is a terrible hack
  26         # for now.
  27         try:
  28             # lets see if we're an armbian board
  29             for line in open("/etc/armbian-release", 'r'):
  30                 #print(line)
  31                 m = re.search('BOARD=(.*)', line)
  32                 if m:
  33                     board_id = m.group(1)
  34         except:
  35             from Adafruit_GPIO import Platform
  36             if Platform.platform_detect() == Platform.RASPBERRY_PI:
  37                 if Platform.pi_version() == 1:
  38                     board_id = "raspi_1"
  39                 elif Platform.pi_version() == 2:
  40                     board_id = "raspi_2"
  41                 elif Platform.pi_version() == 3:
  42                     board_id = "raspi_3"
  43             elif Platform.platform_detect() == Platform.BEAGLEBONE_BLACK:
  44                 board_id = "beaglebone_black"
  45
  46 implementation = sys.implementation.name
  47 if implementation == "micropython":
  48     from utime import sleep
  49 elif implementation == "circuitpython" or implementation == "cpython":
  50     from time import sleep