| Commit message (Collapse) | Author | Age | Files | Lines |
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It is possible to receive empty bulk transfers. This would lead to the endpoint never being reenabled as this was handled by the read routine. This caused the USB to hang.
Signed-off-by: Manuel Odendahl <wesen@ruinwesen.com>
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Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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These form and name of structs etc. is basically determined by the USB
spec and the libmaple style guide, so there's little reason for them
to change, and less reason for them to stay hidden.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Just change names and things to fit the libmaple style. Its contents
will move to the top-level <libmaple/usb.h> header next.
This API is still unstable, but we need to expose pieces of it in
order to get the Maple-specific pieces of usb_cdcacm.c into Wirish.
Adjust uses of the API appropriately.
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 was already supported, so just move the line coding structure to
the header and add some functions for accessing the current values.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Fixes an (admittedly very unlikely) race condition.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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We definitely need to mask out the high bits, as RM0008 doesn't
specify that they read as zero. Calling this function seems to crash
the board, though. I'm not sure why, especially since
usb_set_ep_tx_count(), used by usb_cdcacm.c, seems to work.
Confusing.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Mark internal state static. Properly reset the RX/TX state on USB
reset. Choose better names for countTx and newBytes.
Move the exposed configuration back into the .c; this information is
not beneficial to hooks.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Actually fill the TX buffer in the packet memory area, so we can send
more bytes per transaction. Using the test-session benchmark, we're
now clocking in the high 700KB/sec range via PySerial. With screen,
rate is now about 550 KB/sec.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Rename USB_Line_Coding to usb_line_coding, and rename its fields to
match the spec to aid searches. Alter the line_coding global to match,
fixing an incorrect comment and avoiding magic numbers.
Other minor fixups and comment improvements.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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This keeps things in line with the specification, helping readability.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Use usb_cdcacm hooks to move the DTR edge and "1EAF" magic packet
detection to usb_serial.cpp. We'll later be able to extend this system
to support Leonardo-style reset signalling.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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We need this so the bootloader reset signal detector can look ahead in
the byte stream without stealing bytes from the user when "1EAF" isn't
received.
While we're doing this, take the time to fix a bunch of RX-related
code (dead code removal, adding volatile, etc.)
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Sigh.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Provide hooks so users can reach into the CDC ACM callbacks with their
own code. We'll use this to move the bootloader reset signals to
Wirish.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Mark the API as unstable so people don't rely on these too hard. (This
header is not part of the official libmaple docs). We'll need some of
this configuration elsewhere later, and it doesn't make much sense to
expose it piecemeal.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Not sure what the comment above the new TODO is supposed to mean, but
it looks like something that should be checked.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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The disc pin code was copy-pasted when the CDC ACM pieces were
extracted from the rest of the USB code, and I didn't really
understand what was going on when I moved it over. Having checked the
spec, the comments can be safely improved.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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- Shut Doxygen up in various places
- Fix some genuine docs bugs
- Ignore sources we're not responsible for
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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The good news is that <libmaple/usb.h> and <libmaple/usb_cdcacm.h> did
turn out generic enough in what they specify to go on unchanged.
However, we can't just go on assuming that there's USB just because
we're on an F1. Now that there's value line in the tree, we need to be
more careful (value line F1s don't have USB peripherals). To that end,
make all the F1 board-includes/*.mk files specify what line their MCU
is with an MCU_F1_LINE variable. Use that to hack
libmaple/usb/rules.mk so we only try to build the USB module under
appropriate circumstances.
While we're at it, add a vector_symbols.inc for value line MCUs under
support/ld/. We need this to get the target-config.mk modifications
implied by the addition of MCU_F1_LINE. We'll fix up some other
performance-line-isms under libmaple/stm32f1 in a separate commit.
Also in libmaple/usb/:
- Move everything into a new stm32f1 directory. Due to aforementioned
rules.mk hacks, there is no immediate need for an stm32f2
directory (USB support doesn't exist there).
- Update the README for style and content.
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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libmaple/rules.mk: Add LIBMAPLE_PRIVATE_INCLUDES, a place for storing
headers which should be commonly available throughout libmaple, but
not made public. Currently, this is just the libmaple directory.
Add LIBMAPLE_PRIVATE_INCLUDES to the target flags in the STM32F1 and
USB submodules.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Add libmaple/usb/rules.mk, which compiles the USB FS device firmware
submodule. Move the logic for compiling the USB stack from
libmaple/rules.mk into libmaple/usb/rules.mk.
Move libmaple/usb/usb_cdacm.h to libmaple/include/libmaple/. Its API
is sufficiently general that we'll be able to port it over to USB
OTG (either FS or HS) eventually, and that lets us include it from
Wirish using the new style for libmaple headers.
Fix the includes for public libmaple headers within libmaple/usb.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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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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These are CDC ACM-specific.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Untabify, make (mostly) 80-column clean.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Modify its include guard, and the files that include it, appropriately.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Apart from having an unstable API, usb.h is now a fairly good citizen
of libmaple, so move it to live with the rest of the libmaple headers.
Its device struct is still "struct usblib_dev". Leave that there; the
asymmetry with the rest of the library is a good reminder that the API
isn't really on equal footing with the rest of the library.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Modify usb.h functions (changing their names in some cases) to also
take a usblib_dev* argument, to fit in better with the rest of
libmaple.
Store an rcc_clk_id in struct usblib_dev for the same reason.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Remove usbSuspend(), usbResumeInit(), usbResume(), the USB
low-priority IRQ, and usbWaitReset() from usb.h. Also remove
RESUME_STATE since it was only there for usbResume().
These functions don't need to be seen by anybody except for usb.c and
usb_cdcacm.c, so move them there (altering their names to fit with
libmaple style guidelines) and mark them static.
Clean up includes in usb.c while we're there.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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The USB API is heavily reliant on the ST stack, and additionally
assumes that all USB is the USB FS peripheral. As such, it's going to
have to change as we go forward.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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usb_config.h was supposed to be removed in
d7afdbe6b41a77938863854a1e719398e6c35094; however, it looks like some
merge conflicts stopped that from happening while I was rebasing.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Move the callbacks to the bottom of the file, and mark them static.
Replace empty callbacks with NOP_Process in the callback tables.
Remove prototype for nonexistent prep_and_reset(). Other
miscellaneous fixups.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Remove wIstr. This cleans up the control flow. wIstr is still declared
in usb_lib/usb_regs.h, but it's unused throughout the code base.
Remove bIntPackSOF. Only written, never read.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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No longer used.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Add struct usblib_dev (and USBLIB, a pointer to the singleton) to
usb.h. USBLIB contains the global state which is used by
functionality imported from usb_lib/.
Consolidating global state into USBLIB will make it easier to remove
later.
Initial fields in struct usblib_dev are endpoint interrupt callbacks,
a mask for what to handle in the low-priority USB interrupt, and
device state. These replace pEpInt_IN, pEpInt_OUT; wInterrupt_Mask;
and bDeviceState, respectively from usb_lib/, so remove their
declarations from usb_lib_globals.h accordingly. Also remove unused
SaveState declaration from usblib_globals.h. Move bDeviceState into
'state' field in usblib_dev. Device state type changes from
DEVICE_STATE to usb_dev_state, volatile gets dropped, and enumerators
get a 'USB_' prefix, but it's otherwise the same.
usb_lib/ expects pInformation to point to Device_Info,
pUser_Standard_Requests -> User_Standard_Requests, and
pProperty -> Device_Property.
Alter usb_init_usblib() to reflect these assumptions. Reorganize
usb_lib_globals.h to make these assumptions more apparent to the
reader.
Modify usb_init_usblib() to take endpoint callbacks as arguments;
update its caller in usb_cdcacm.c.
usb_lib/ defines pInformation, pProperty, and pUser_Standard_Requests
itself (in usb_init.c), but we have our own definitions (in usb.c).
Remove the duplicates from usb.c. Also remove EPindex and Device_Info
definitions from usb.c. Unused, and anyways already defined in
usb_lib/usb_init.c.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Move its defines into usb_cdcacm.c and usb.[hc] as appropriate.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Add new usb_cdcacm.h, which provides the virtual serial port API.
This file (and new usb_cdcacm.c) consolidate the VCOM support, which
was previously distributed through descriptors.[hc], usb.[hc],
usb_callbacks.[hc], and usb_config.h.
Add usb_init_usblib() to usb.h, as a way of initializing the USB
peripheral in terms of the data structures required by usb_lib. This
is used by the new usb_cdcacm_enable().
Create new usb_lib_globals.h, with declarations for the usb_lib global
state which is most used throughout the rest of the libmaple USB stack.
Remove descriptors.c and usb_callbacks.[hc]; they are no longer
necessary.
Update the USB README accordingly.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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This cuts down on some of the uglier dependencies.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Remove usbPowerOn(), usbPowerOff() prototypes from usb.h. These
aren't used outside of the USB subsystem, so they don't belong here.
Move usbPowerOn() from usb.c to usb_callbacks.c. This is the only
place where it's used. Remove the unused usbPowerOff() (from usb.c)
altogether.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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usb_config.h: Remove usb_regs.h dependency; fix includes; add license.
usb_callbacks.h: Change includes to the pieces of usb_lib/ it uses,
which doesn't include usb_regs.h.
descriptors.h: Remove unused usb_lib.h include.
usb.h: Remove unused usb_lib.h include. Some cosmetic commenting.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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usb_reg_map.h contains the usual register map and register bit
definitions that libmaple convention requires. It also contains a
variety of structs and convenience functions for accessing and
manipulating endpoint registers, BTABLE entries, and PMA buffers.
We'll be moving towards usb_reg_map.h instead of usb_lib/usb_regs.h.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Various parts of it are no longer true, and some TODOs are now done.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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These files contain a lot of duplicated and unused code. Move the
relevant pieces that need to survive into usb.c and usb_callbacks.c.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Replace calls to usbEnbISR()/usbDsbISR() with
nvic_irq_enable()/nvic_irq_disable(). Remove ST-style code. Use
nvic_sys_reset() instead of systemHardReset(). Rename some
conflicting #defines that including nvic.h created.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Rename setupUSB() and disableUSB() to usb_cdcacm_enable() and
usb_cdcacm_disable(), respectively.
Remove usbSendHello(). This shouldn't exist.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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