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Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Various changes to Doxygen structure, to help leaflabs-docs make sense
of everything.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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We need the arguments to be the same name everywhere, or
Breathe/Doxygen get confused.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Fix @file in many places. Also fix up the descriptions where it's
appropriate. This standardizes the @file formatting across the library
to explicitly include any parent directories up to the repository
root.
Besides being nice, this will hopefully let us manage Doxygen's XML
output so as to make extracting series-specific pieces via Breathe in
the leaflabs-docs repo possible.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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This function has been with us from the earliest days of libmaple.
It's showing its age, as the API it presents is tied to the
STM32F1. Deprecate it, and provide instructions for how to use newer,
more portable APIs. The new way is more verbose, but we can always add
a portable "just set up the PLL, dammit" convenience function later (a
nice candidate is to extract an interface from setup_clocks() in
boards.cpp).
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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This is a convenience function for checking if a clock line is on.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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The new style for configuring the PLL is to initialize
a (series-specific) struct rcc_pll_cfg, and pass a pointer to it to
rcc_configure_pll(). After that's done, you can use
rcc_turn_on_clk(RCC_CLK_PLL) to turn on the main PLL, and busy-wait
until rcc_is_clk_ready(RCC_CLK_PLL) is true to make sure the new
configuration took effect.
- libmaple/rcc.h:
-- Add struct rcc_pll_cfg, which specifies a PLL configuration. This
specifies a PLL source and a void pointer to series-specific PLL
configuration data.
-- Add rcc_configure_pll(), which takes a pointer to struct
rcc_pll_cfg, and configures the main PLL. It's up to each series
to define this function.
- stm32f1/rcc.h: Add struct stm32f1_rcc_pll_data, to store F1-specific
PLL configuration state.
- stm32f1/rcc.c: Add an implementation for rcc_configure_pll().
- stm32f2/rcc.h: Add struct stm32f2_rcc_pll_data, to store F2-specific
PLL configuration data.
- stm32f2/rcc.c: Add an implementation for rcc_configure_pll().
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Additions:
- rcc_switch_sysclk():
For changing the clock used as SYSCLK's source.
- enum rcc_clk:
One for each system and secondary clock source (e.g. HSE,
LSE). These are defined on a per-series basis in each of the
<series/rcc.h>.
- rcc_turn_on_clk(),
rcc_turn_off_clk(),
rcc_is_clk_ready():
For turning on system and secondary clock sources, and checking
whether or not they're ready. Uses enum rcc_clk.
Removals:
- rcc_clk_init(): There's no way to port this to F2. Move it to the F1
header. This also means we can remove the empty implementation and
enum rcc_pll_multiplier from the F2 RCC header, where it doesn't
make any sense.
Also fix up some includes, and rewrite rcc_clk_init() in terms of the
new clock source management functions.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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This is for greater consistency with the ST application notes, which
refer to migrating "across" series (e.g. F1 to F2), but compatibility
"within" a family (e.g. F1).
So:
- Move libmaple/stm32x/include/family to .../include/series/ and fix
up includes appropriately.
- Refer to "family" headers as "series" headers in comments.
- Make similar "find and replace"-style changes to build system
variable names and comments.
- Move support/ld/stm32/family to .../stm32/series.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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This is a backwards-compatible change.
Modify libmaple/rules.mk to include the family's include
directory. This allows libmaple/include/libmaple/rcc.h to include the
STM32F1 RCC header with #include <family/rcc.h>. We'll use this
convention henceforth to distinguish between top-level and
family-specific headers.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Move libmaple/*.h to (new) libmaple/include/libmaple/. The new
accepted way to include a libmaple header foo.h is with:
#include <libmaple/foo.h>
This is more polite in terms of the include namespace. It also allows
us to e.g. implement the Arduino SPI library at all (which has header
SPI.h; providing it was previously impossible on case-insensitive
filesystems due to libmaple's spi.h).
Similarly for Wirish.
The old include style (#include "header.h") is now deprecated.
libmaple/*.h:
- Change include guard #defines from _FOO_H_ to _LIBMAPLE_FOO_H_.
- Add license headers where they're missing
- Add conditional extern "C" { ... } blocks where they're missing
(they aren't always necessary, but we might was well do it against
the future, while we're at it.).
- Change includes from #include "foo.h" to #include <libmaple/foo.h>.
- Move includes after extern "C".
- Remove extra trailing newlines
Note that this doesn't include the headers under libmaple/usb/ or
libmaple/usb/usb_lib. These will get fixed later.
libmaple/*.c:
- Change includes from #include "foo.h" to #include <libmaple/foo.h>.
Makefile:
- Add I$(LIBMAPLE_PATH)/include/libmaple to GLOBAL_FLAGS. This allows
for users (including Wirish) to migrate their code, but should go
away ASAP, since it slows down compilation.
Wirish:
- Move wirish/**/*.h to (new) wirish/include/wirish/. This ignores
the USB headers, which, as usual, are getting handled after
everything else.
- Similarly generify wirish/boards/ structure. For each supported
board "foo", move wirish/boards/foo.h and wirish/boards/foo.cpp to
wirish/boards/foo/include/board/board.h and
wirish/boards/foo/board.cpp, respectively. Also remove the #ifdef
hacks around the .cpp files.
- wirish/rules.mk: put wirish/boards/foo/include in the include path
(and add wirish/boards/foo/board.cpp to the list of sources to be
compiled). This allows saying:
#include <board/board.h>
instead of the hack currently in place. We can allow the user to
override this setting later to make adding custom board definitions
easier.
- Disable -Werror in libmaple/rules.mk, as the current USB warnings
don't let the olimex_stm32_h103 board compile. We can re-enable
-Werror once we've moved the board-specific bits out of libmaple
proper.
libraries, examples:
- Update includes accordingly.
- Miscellaneous cosmetic fixups.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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