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py/mpconfig: Enable io.IOBase at core feature level.

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IOBase is quite an important building block of other parts of the system,
such as `mpremote mount` and running .mpy and native tests.

This feature costs +244 bytes of firmware size on ARM Thumb2 architectures,
which is worth the cost for the extra features it enables.

The change here means that `io.IOBase` is now enabled on all nrf boards,
(previously it was only nRF52840 and nRF9160) and also B_L072Z_LRWAN1
(there is no change to other ports or boards).

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George
2025-05-07 13:49:12 +10:00
parent 9c8c219f8a
commit d01a981a9b
1 changed files with 1 additions and 1 deletions
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py/mpconfig.h
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@@ -1469,7 +1469,7 @@ typedef double mp_float_t;
// Whether to provide "io.IOBase" class to support user streams
#ifndef MICROPY_PY_IO_IOBASE
#define MICROPY_PY_IO_IOBASE (MICROPY_CONFIG_ROM_LEVEL_AT_LEAST_EXTRA_FEATURES)
#define MICROPY_PY_IO_IOBASE (MICROPY_CONFIG_ROM_LEVEL_AT_LEAST_CORE_FEATURES)
#endif
// Whether to provide "io.BytesIO" class