In Arduino IDE the on-board LED pin is defined by macro `LED_BUILTIN`. It is used whenever the LED is controlled. To make it easier to use Arduino sketches as they are, `LED_BUILTIN` is defined by using @ref ARDUINO_LED as defined by the board.
When using `OUTPUT=COLORTEST` the return value of the unit test's
`main()` on failure was `0`, while it should be `1`. As a result,
running the unit tests from a script using
$ OUTPUT=COLORTEXT make BOARD=native64 RIOT_TERMINAL=native -j32 flash term -C tests/unittests
would not catch a test failure.
This commit changes the behavior so that `0` is returned on success
and `1` on failure for both regular and colored text output.
This allows using and compiling the URL handling functions of sock_util
without a network stack used.
Co-authored-by: benpicco <benpicco@googlemail.com>
This changes the documentation of how to configure stdio, especially
with regard on how to configure the stdio frontends with
`printf_float`, `printf_long_long`, and `stdin`.
Co-authored-by: crasbe <crasbe@gmail.com>
This adapts to an API change for providing stdin/stdout/stderr: The
macro to test whether globals are to be used is now prefixed with two
underscores.
Co-authored-by: crasbe <crasbe@gmail.com>
This makes sure that newlib's printf is correctly overridden by:
1. Adding wrappers for some more obscure printf() variants
2. Forcing a compilation failure when newlib's stdio is still linked in
while mpaland-printf is used
3. Not adding `-u _printf_float` to the linker flags when mpaland-printf
is used.
So far, the atomic utils only support known width integer types. This
adds `unsigned int` to the supported list by mapping it to the
corresponding fixed width integer type.
This also sneaks in a few minor style fixes that clang-tidy frowned
upon.
Co-authored-by: crasbe <crasbe@gmail.com>
This makes use of the `periph_timer_query_freqs` feature:
1. It does choose the closest frequency supported before calling
timer_init() in the ztimer_periph_timer backend.
2. It does make use of the actually chosen frequency when using
`ztimer_convert_frac`.
3. It does `assert()` the frequency is within 5% of the specified when
no frequency conversion is performed or `ztimer_convert_shift_up`
is used.
This patch adds a hint to users for how to set
CONFIG_ZTIMER_USEC_ADJUST_SLEEP. The doc for
CONFIG_ZTIMER_USEC_ADJUST_SET already contained a similar hint.
This drops a lot of "no-op" Doxygen statements, such as
`@param foo <description>` where `<description>` is the empty string.
This now also provides no documentation, but a lot more compact.
