# set default port depending on operating system
PORT_LINUX ?= /dev/ttyUSB0
PORT_DARWIN ?= $(firstword $(sort $(wildcard /dev/tty.usbserial-MXV*)))

# flash tool configuration
PROGRAMMER ?= mspdebug
MSPDEBUG_PROGRAMMER ?= olimex

PROGRAMMERS_SUPPORTED += mspdebug

# When freshly plugged in the Olimex MSP430-JTAG-Tiny debugger provides a
# ttyACM interface, which is only available until the first flashing. A
# `make term` or even a `make flash term` may pick the JTAG debugger instead
# of the correct USB TTL adapter when the JTAG programmer is plugged in after
# the TTL adapter and `MOST_RECENT_PORT=1` is used.
#
# To fix that, we filter first by the most common USB TTL adapter drivers and
# fall back to all TTY when no such TTL adapter is found.
TTY_BOARD_FILTER := --driver 'cp210x|ch341|ftdi_sio'
TTY_SELECT_CMD := $(RIOTTOOLS)/usb-serial/ttys.py \
                  --most-recent \
                  --format path serial \
                  $(TTY_BOARD_FILTER) || \
                  $(RIOTTOOLS)/usb-serial/ttys.py \
                  --most-recent \
                  --format path serial