circuitpython/ports/esp32s2/mpconfigport.mk
Jeff Epler a2919a6fb2 esp32s2: Use the device's EUI-48 address as unique ID
On my hardware, esptool reports
    MAC: 7c:df:a1:02:6c:b8
after this change, the USB descriptor says SerialNumber: 7CDFA1026CB8
and microcontroller.cpu.id has
    >>> "".join("%02x" % byte for byte in microcontroller.cpu.uid)
    'c7fd1a20c68b'

Note that the nibble-swapping between USB and cpu.uid is typical.
For instance, an stm32 board has USB SerialNumber
24002500F005D42445632302 but hex-converted microcontroller.cpu.id
420052000f504d4254363220.
2020-07-15 11:45:13 -05:00

38 lines
1.0 KiB
Makefile

# Define an equivalent for MICROPY_LONGINT_IMPL, to pass to $(MPY-TOOL) in py/mkrules.mk
# $(MPY-TOOL) needs to know what kind of longint to use (if any) to freeze long integers.
# This should correspond to the MICROPY_LONGINT_IMPL definition in mpconfigport.h.
MPY_TOOL_LONGINT_IMPL = -mlongint-impl=mpz
# Internal math library is substantially smaller than toolchain one
INTERNAL_LIBM = 1
# Chip supplied serial number, in bytes
USB_SERIAL_NUMBER_LENGTH = 12
# Longints can be implemented as mpz, as longlong, or not
LONGINT_IMPL = MPZ
CIRCUITPY_FULL_BUILD = 0
CIRCUITPY_ANALOGIO = 0
CIRCUITPY_AUDIOBUSIO = 0
CIRCUITPY_AUDIOIO = 0
CIRCUITPY_BITBANGIO = 1
CIRCUITPY_BOARD = 1
CIRCUITPY_DIGITALIO = 1
CIRCUITPY_BUSIO = 1
CIRCUITPY_DISPLAYIO = 1
CIRCUITPY_FREQUENCYIO = 0
CIRCUITPY_I2CPERIPHERAL = 0
CIRCUITPY_MICROCONTROLLER = 1
CIRCUITPY_NVM = 0
CIRCUITPY_PULSEIO = 0
CIRCUITPY_ROTARYIO = 0
CIRCUITPY_RTC = 0
CIRCUITPY_TOUCHIO = 0
# Enable USB HID support
CIRCUITPY_USB_HID = 1
CIRCUITPY_USB_MIDI = 0
CIRCUITPY_MODULE ?= none