Allows for abstraction for code that's dependent on knowing the source clock
for a peripheral. Implemented a few core peripherals that tend to have clock
tree differences between platforms (USART, timers, I2C, SPI).
We still need stub .c files as we're using shared common files, so .d
tracking doesn't work. It lets us setup basic introductory text anyway,
and there will be .c files eventually, so acceptable.
We did have
* _HPRE_SYSCLK_DIVN (3 parts)
* _HPRE_DIVN (5 parts)
* _HPRE_DIV_N (4 parts)
Unify all on _HPRE_DIVN. Provide deprecated definitions to not break
everything at once.
Also, standardize on "NODIV" instead of DIVNONE.
In this commit, support for the different base addresses for different
F7 parts is added, but the mechanism is now in place for L1 and others.
Reviewed-by: Karl Palsson <karlp@tweak.net.au>
(whitespace fixed, commit msg reworded)
You can't have two mainpage items, and the second was just being
ignored. This restores them, which makes the left side list longer,
which we may or may not like, but it's at least how it was documented to
be.
Some families had partially moved to peripheral api, and others were
only documenting common code, but not specific code. Delete dummy .c
files, and check that all specific apis are also being documented, not
just common apis.
While this appears to be a backward change, this moves the _register_
definitions (their addresses) and the actually specific to f4/f7
numbering back into the explicit headers. Potentially this could be
pulled out again, but it's not much code.
This then allows the stm32l1 to use all the rest of this code, with the
differences really being just the addresses of the registers.
This shows what is _actually_ different for f7. A couple of option
bits, and a renaming of bit 7 of the status register, from Program
Sequence Error to Erase Sequence Error.
We keep the separate implementation of wait_for_last_operation, to meet
the "suggestions" of the reference manual to insert a DSB instruction.
Keeping the renamed bit/functions also requires us to keep separate
implementations of the flag clearing functions
All the "f" type flash parts have an EOP flag, even if it's in different
bit positions. Add a header for this common functionality, and move
it's implementation to the existing common file.
Turns out, there's lots of common code for flash. Pull up prefetch
on/off to start with, as there's only a single bit name different.
Pull up the definitions of common API functions too, starting with
flash_set_ws. Even if the implementations are different, things that
meant to be the same, should be defined centrally.
