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stm32/modstm: Add MICROPY_PY_STM_CONST flag, clear it for STM32WL5.

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MICROPY_PY_STM_CONST defaults to 1 if MICROPY_PY_STM is set.  Overriding to
0 disables the named register peripheral constants being including in the
stm32 module.

This saves about 7.5KB of code size for the STM32WL55, which is significant
as this SoC doesn't have a lot of flash.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
This commit is contained in:
Angus Gratton
2023-08-09 11:53:03 +10:00
committed by Damien George
parent 02620c2236
commit 2919a9fbf3
4 changed files with 12 additions and 4 deletions
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4
ports/stm32/make-stmconst.py
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@@ -319,10 +319,10 @@ def main():
print("")
with open(args.qstr_filename, "wt") as qstr_file:
print("#if MICROPY_PY_STM", file=qstr_file)
print("#if MICROPY_PY_STM_CONST", file=qstr_file)
for qstr in sorted(needed_qstrs):
print("Q({})".format(qstr), file=qstr_file)
print("#endif // MICROPY_PY_STM", file=qstr_file)
print("#endif // MICROPY_PY_STM_CONST", file=qstr_file)
with open(args.mpz_filename, "wt") as mpz_file:
for mpz in sorted(needed_mpzs):