- """Detect boards."""
- import os
- import adafruit_platformdetect.chip as ap_chip
-
- # Allow for aligned constant definitions:
- # pylint: disable=bad-whitespace
- BEAGLEBONE = 'BEAGLEBONE'
- BEAGLEBONE_BLACK = 'BEAGLEBONE_BLACK'
- BEAGLEBONE_BLUE = 'BEAGLEBONE_BLUE'
- BEAGLEBONE_BLACK_WIRELESS = 'BEAGLEBONE_BLACK_WIRELESS'
- BEAGLEBONE_POCKETBEAGLE = 'BEAGLEBONE_POCKETBEAGLE'
- BEAGLEBONE_GREEN = 'BEAGLEBONE_GREEN'
- BEAGLEBONE_GREEN_WIRELESS = 'BEAGLEBONE_GREEN_WIRELESS'
- BEAGLEBONE_BLACK_INDUSTRIAL = 'BEAGLEBONE_BLACK_INDUSTRIAL'
- BEAGLEBONE_ENHANCED = 'BEAGLEBONE_ENHANCED'
- BEAGLEBONE_USOMIQ = 'BEAGLEBONE_USOMIQ'
- BEAGLEBONE_AIR = 'BEAGLEBONE_AIR'
- BEAGLEBONE_POCKETBONE = 'BEAGLEBONE_POCKETBONE'
- BEAGLELOGIC_STANDALONE = 'BEAGLELOGIC_STANDALONE'
- OSD3358_DEV_BOARD = 'OSD3358_DEV_BOARD'
- OSD3358_SM_RED = 'OSD3358_SM_RED'
-
- FEATHER_HUZZAH = "FEATHER_HUZZAH"
- FEATHER_M0_EXPRESS = "FEATHER_M0_EXPRESS"
- GENERIC_LINUX_PC = "GENERIC_LINUX_PC"
- PYBOARD = "PYBOARD"
- NODEMCU = "NODEMCU"
- ORANGE_PI_PC = "ORANGE_PI_PC"
-
- 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"
- RASPBERRY_PI_CM1 = "RASPBERRY_PI_CM1"
- RASPBERRY_PI_ZERO = "RASPBERRY_PI_ZERO"
- RASPBERRY_PI_ZERO_W = "RASPBERRY_PI_ZERO_W"
- RASPBERRY_PI_2B = "RASPBERRY_PI_2B"
- RASPBERRY_PI_3B = "RASPBERRY_PI_3B"
- RASPBERRY_PI_3B_PLUS = "RASPBERRY_PI_3B_PLUS"
- RASPBERRY_PI_CM3 = "RASPBERRY_PI_CM3"
- RASPBERRY_PI_3A_PLUS = "RASPBERRY_PI_3A_PLUS"
-
- ODROID_C1 = "ODROID_C1"
- ODROID_C1_PLUS = "ODROID_C1_PLUS"
- ODROID_C2 = "ODROID_C2"
-
- FTDI_FT232H = "FT232H"
- # 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
- )
-
- _ODROID_40_PIN_IDS = (
- ODROID_C1,
- ODROID_C1_PLUS,
- ODROID_C2
- )
-
- _BEAGLEBONE_IDS = (
- BEAGLEBONE,
- BEAGLEBONE_BLACK,
- BEAGLEBONE_BLUE,
- BEAGLEBONE_BLACK_WIRELESS,
- BEAGLEBONE_POCKETBEAGLE,
- BEAGLEBONE_GREEN,
- BEAGLEBONE_GREEN_WIRELESS,
- BEAGLEBONE_BLACK_INDUSTRIAL,
- BEAGLEBONE_ENHANCED,
- BEAGLEBONE_USOMIQ,
- BEAGLEBONE_AIR,
- BEAGLEBONE_POCKETBONE,
- BEAGLELOGIC_STANDALONE,
- OSD3358_DEV_BOARD,
- OSD3358_SM_RED,
- )
-
- # BeagleBone eeprom board ids from:
- # https://github.com/beagleboard/image-builder
- # Thanks to zmatt on freenode #beagle for pointers.
- _BEAGLEBONE_BOARD_IDS = {
- # Original bone/white:
- BEAGLEBONE: (
- ('A4', 'A335BONE00A4'),
- ('A5', 'A335BONE00A5'),
- ('A6', 'A335BONE00A6'),
- ('A6A', 'A335BONE0A6A'),
- ('A6B', 'A335BONE0A6B'),
- ('B', 'A335BONE000B'),
- ),
- BEAGLEBONE_BLACK: (
- ('A5', 'A335BNLT00A5'),
- ('A5A', 'A335BNLT0A5A'),
- ('A5B', 'A335BNLT0A5B'),
- ('A5C', 'A335BNLT0A5C'),
- ('A6', 'A335BNLT00A6'),
- ('C', 'A335BNLT000C'),
- ('C', 'A335BNLT00C0'),
- ),
- BEAGLEBONE_BLUE: (
- ('A2', 'A335BNLTBLA2'),
- ),
- BEAGLEBONE_BLACK_WIRELESS: (
- ('A5', 'A335BNLTBWA5'),
- ),
- BEAGLEBONE_POCKETBEAGLE: (
- ('A2', 'A335PBGL00A2'),
- ),
- BEAGLEBONE_GREEN: (
- ('1A', 'A335BNLT....'),
- ('UNKNOWN', 'A335BNLTBBG1'),
- ),
- BEAGLEBONE_GREEN_WIRELESS: (
- ('W1A', 'A335BNLTGW1A'),
- ),
- BEAGLEBONE_BLACK_INDUSTRIAL: (
- ('A0', 'A335BNLTAIA0'), # Arrow
- ('A0', 'A335BNLTEIA0'), # Element14
- ),
- BEAGLEBONE_ENHANCED: (
- ('A', 'A335BNLTSE0A'),
- ),
- BEAGLEBONE_USOMIQ: (
- ('6', 'A335BNLTME06'),
- ),
- BEAGLEBONE_AIR: (
- ('A0', 'A335BNLTNAD0'),
- ),
- BEAGLEBONE_POCKETBONE: (
- ('0', 'A335BNLTBP00'),
- ),
- OSD3358_DEV_BOARD: (
- ('0.1', 'A335BNLTGH01'),
- ),
- OSD3358_SM_RED: (
- ('0', 'A335BNLTOS00'),
- ),
- BEAGLELOGIC_STANDALONE: (
- ('A', 'A335BLGC000A'),
- )
- }
-
- # Pi revision codes from:
- # https://www.raspberrypi.org/documentation/hardware/raspberrypi/revision-codes/README.md
-
- # Each tuple here contains both the base codes, and the versions that indicate
- # the Pi is overvolted / overclocked - for 4-digit codes, this will be prefixed
- # with 1000, and for 6-digit codes it'll be prefixed with 1. These are placed
- # on separate lines.
-
- _PI_REV_CODES = {
- RASPBERRY_PI_B_REV1: (
- # Regular codes:
- '0002', '0003',
-
- # Overvolted/clocked versions:
- '10000002', '10000003',
- ),
- RASPBERRY_PI_B_REV2: (
- '0005', '0006', '000d', '000e', '000f',
- '10000005', '10000006', '1000000d', '1000000e', '1000000f',
- ),
- RASPBERRY_PI_B_PLUS: (
- '0010', '0013', '900032',
- '10000010', '10000013', '1900032',
- ),
- RASPBERRY_PI_A: (
- '0007', '0008', '0009',
- '10000007', '10000008', '10000009',
- ),
- RASPBERRY_PI_A_PLUS: (
- '0012', '0015', '900021',
- '10000012', '10000015', '1900021',
- ),
- RASPBERRY_PI_CM1: (
- '0011', '0014',
- '10000011', '10000014',
- ),
- RASPBERRY_PI_ZERO: (
- '900092', '920092', '900093', '920093'
- '1900092', '1920092', '1900093', '1920093',
- ),
- RASPBERRY_PI_ZERO_W: (
- '9000c1',
- '19000c1',
- ),
- RASPBERRY_PI_2B: (
- 'a01040', 'a01041', 'a21041', 'a22042',
- '1a01040', '1a01041', '1a21041', '1a22042',
- ),
- RASPBERRY_PI_3B: (
- 'a02082', 'a22082', 'a32082', 'a52082',
- '1a02082', '1a22082', '1a32082', '1a52082',
- ),
- RASPBERRY_PI_3B_PLUS: (
- 'a020d3',
- '1a020d3',
- ),
- RASPBERRY_PI_CM3: (
- 'a020a0',
- '1a020a0',
- ),
- RASPBERRY_PI_3A_PLUS: (
- '9020e0',
- '19020e0',
- ),
- }
-
- class Board:
- """Attempt to detect specific boards."""
- def __init__(self, detector):
- self.detector = detector
-
- # pylint: disable=invalid-name
- @property
- def id(self):
- """Return a unique id for the detected board, if any."""
- # There are some times we want to trick the platform detection
- # say if a raspberry pi doesn't have the right ID, or for testing
- try:
- return os.environ['BLINKA_FORCEBOARD']
- except KeyError: # no forced board, continue with testing!
- pass
-
- chip_id = self.detector.chip.id
- board_id = None
-
- if chip_id == ap_chip.BCM2XXX:
- board_id = self._pi_id()
- elif chip_id == ap_chip.AM33XX:
- board_id = self._beaglebone_id()
- elif chip_id == ap_chip.GENERIC_X86:
- board_id = GENERIC_LINUX_PC
- elif chip_id == ap_chip.SUN8I:
- board_id = self._armbian_id()
- elif chip_id == ap_chip.ESP8266:
- board_id = FEATHER_HUZZAH
- elif chip_id == ap_chip.SAMD21:
- board_id = FEATHER_M0_EXPRESS
- elif chip_id == ap_chip.STM32:
- board_id = PYBOARD
- elif chip_id == ap_chip.S805:
- board_id = ODROID_C1
- elif chip_id == ap_chip.S905:
- board_id = ODROID_C2
- elif chip_id == ap_chip.FT232H:
- board_id = FTDI_FT232H
- return board_id
- # pylint: enable=invalid-name
-
- def _pi_id(self):
- """Try to detect id of a Raspberry Pi."""
- # Check for Pi boards:
- pi_rev_code = self._pi_rev_code()
- if pi_rev_code:
- for model, codes in _PI_REV_CODES.items():
- if pi_rev_code in codes:
- return model
- return None
-
- def _pi_rev_code(self):
- """Attempt to find a Raspberry Pi revision code for this board."""
- # 2708 is Pi 1
- # 2709 is Pi 2
- # 2835 is Pi 3 (or greater) on 4.9.x kernel
- # Anything else is not a Pi.
- if self.detector.chip.id != ap_chip.BCM2XXX:
- # Something else, not a Pi.
- return None
- return self.detector.get_cpuinfo_field('Revision')
-
- # pylint: disable=no-self-use
- def _beaglebone_id(self):
- """Try to detect id of a Beaglebone."""
- try:
- with open("/sys/bus/nvmem/devices/0-00500/nvmem", "rb") as eeprom:
- eeprom_bytes = eeprom.read(16)
- except FileNotFoundError:
- return None
-
- if eeprom_bytes[:4] != b'\xaaU3\xee':
- return None
-
- id_string = eeprom_bytes[4:].decode("ascii")
- for model, bb_ids in _BEAGLEBONE_BOARD_IDS.items():
- for bb_id in bb_ids:
- if id_string == bb_id[1]:
- return model
-
- return None
- # pylint: enable=no-self-use
-
- def _armbian_id(self):
- """Check whether the current board is an OrangePi PC."""
- board_value = self.detector.get_armbian_release_field('BOARD')
- if board_value == "orangepipc":
- return ORANGE_PI_PC
- return None
-
- @property
- def any_raspberry_pi(self):
- """Check whether the current board is any Raspberry Pi."""
- return self._pi_rev_code() is not None
-
- @property
- def any_raspberry_pi_40_pin(self):
- """Check whether the current board is any 40-pin Raspberry Pi."""
- return self.id in _RASPBERRY_PI_40_PIN_IDS
-
- @property
- def any_beaglebone(self):
- """Check whether the current board is any Beaglebone-family system."""
- return self.id in _BEAGLEBONE_IDS
-
- @property
- def any_orange_pi(self):
- """Check whether the current board is any defined Orange Pi."""
- return self.ORANGE_PI_PC
-
- @property
- def any_embedded_linux(self):
- """Check whether the current board is any embedded Linux device."""
- return self.any_raspberry_pi or self.any_beaglebone or self.any_orange_pi
-
- def __getattr__(self, attr):
- """
- Detect whether the given attribute is the currently-detected board. See list
- of constants at the top of this module for available options.
- """
- if self.id == attr:
- return True
- return False
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