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Commit Graph

41 Commits

Author SHA1 Message Date
Brian Webb
04da5d2377 USB/COM/RFM22B: Added a standard com callback to test for link availability. This replaces the PIOS_USB_CheckAvailable function with a generic PIOS_COM_Available function. This is now used by the RFM22B com driver to test if a good link is up. This was originally written by James, and Brian merged it into the latest RFM22B branch. 2012-12-11 17:44:03 -07:00
James Cotton
8411b9cc98 Remove the disable IRQ commands in PIOS_COM since they aren't needed. 2012-05-24 18:04:49 +03:00
Stacey Sheldon
e22bc0c51b copyright: remove incorrect attribution in boilerplate text
These files do not contain content from the ID in the header.
This name seems to have been cut/pasted all over throughout
the openpilot source tree and should be removed from any files
that should not rightfully be attributed to this person.
2012-01-02 23:33:07 -05:00
Stacey Sheldon
481a13609e com: remove all references to PIOS_COM_ReceiveBufferUsed()
The PIOS_COM_ReceiveBufferUsed() function call is no longer
necessary since the same semantics can be achieved using calls
to PIOS_COM_ReceiveBuffer().
2012-01-02 14:27:06 -05:00
Stacey Sheldon
2cf1fe93c6 com: don't block forever waiting for a transmitter
Not all transmitters will continue to run when disconnected.
USB is one example of this.  When the USB cable was disconnected,
any transmitter blocked here would wait forever.

This was particularly noticeable when the telemetry Tx task
blocked forever on USB disconnect.  This also resulted in
the telemetry Rx task blocking forever waiting on the UAVTalk
connection lock.

We now block for a max of 5s waiting for space in the transmit
buffer.
2011-12-30 23:05:37 -05:00
Stacey Sheldon
80e0be3cec com: fragment transmitted buffers to match underlying device
PIOS_COM_SendBufferNonBlocking() will now fragment its buffer
to match the max size of the underlying device.

This allows the buffer size of the underlying device to shrink
below the maximum message size, thus allowing us to use smaller
buffers on memory-constrained platforms.
2011-12-30 23:05:36 -05:00
Stacey Sheldon
2040645171 com: Use all bytes in Tx buffer
Code would previously fail Tx if we happen to send data
that happened to be exactly the size of the available space
in the tx buffer.
2011-12-30 23:05:35 -05:00
Stacey Sheldon
f54c0552ce com: make sure we know when a higher prio task is woken 2011-12-30 23:05:34 -05:00
Stacey Sheldon
202b1bd428 com: Always kick rx_start if we got zero bytes
This will ensure that we kick rx_start at least once every
time that a user tries to receive bytes from the underlying
device.
2011-12-30 23:05:34 -05:00
Stacey Sheldon
43b31efb76 pios: allocate driver instance data from heap
Allocate per-instance data for drivers from the heap
rather than as static variables from the .data segment.

This converts > 800 bytes of RAM from being always consumed
as static data into being allocated from the heap only when
a particular feature is enabled in the hwsettings object.

A minimal config (no receivers, flexi port disabled, main port
disabled) leaves 2448 bytes of free heap.  That's our new baseline.

Approximate RAM (heap) costs of enabling various features:
 + 632 Serial Telemetry (includes 400 bytes of Rx/Tx buffers)
 + 108 PWM Rcvr
 + 152 PPM Rcvr
 + 112 Spektrum Rcvr
 + 24  S.Bus (Should be closer to 68 since driver is still using
              static memory)

There are still some drivers that pre-allocate all of their memory
as static data.  It'll take some work to convert those over to
dynamically allocating their instance data.
2011-08-31 22:35:03 -04:00
Stacey Sheldon
c2fb0d8b43 com: allow run-time allocation of buffers 2011-07-29 15:33:14 -04:00
Stacey Sheldon
5f8760a55c com: Move buffering out of USART/HID layer and into COM layer
This allows the spektrum and sbus receiver drivers to bind
directly to the usart layer using a properly exported API
rather than overriding the interrupt handler.

Bytes are now pushed directly from the usart layer into the
com layer without any buffering.  The com layer performs all
of the buffering.

A further benefit from this approach is that we can put all
blocking/non-blocking behaviour into the COM layer and not
in the underlying drivers.

Misc related changes:
 - Remove obsolete .handler field from irq configs
 - Adapt all users of PIOS_COM_* functions to new API
 - Fixup callers of PIOS_USB_HID_Init()
2011-07-27 19:45:38 -04:00
Oleg Semyonov
aeda61d252 usart: serial telemetry can be disabled to free USART
It was tested being merged with OP-472_CorvusCorax_CopterControl-Guidance_v3
branch, Spektrum on USART3 and GPS on USART1 and seems to work.

Currently defaults mimic original behavior, that is, if USE_SPEKTRUM
is not defined - define USE_PWM and USE_GPS. Thsi should be refactored
later to make it configurable from the Makefile.

Also it was not ported to the OP MB: it currently does not support the
S.Bus hardware and still has original behavior with the patch. But this
is one more step to dynamic configuration of ports.
2011-06-16 15:06:01 +03:00
stac
841b0d3d6d hwinit: Convert COM and USART to dynamic init
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@2771 ebee16cc-31ac-478f-84a7-5cbb03baadba
2011-02-12 22:19:43 +00:00
peabody124
3c021c09d9 Flight/PiOS: Whitespace changes
find ./flight/PiOS/inc/ \! \( -name '*~' -a -prune \) -type f    | xargs -I{}
bash -c 'echo {}; dos2unix {}; gnuindent -npro -kr -i8 -ts8 -sob -ss -ncs -cp1
-il0 -hnl -l150 {};'

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1777 ebee16cc-31ac-478f-84a7-5cbb03baadba
2010-09-27 07:28:45 +00:00
peabody124
d928676f5e More documentation updates, standardizing format to include addtogroup at the beginning of headers so files are associated with modules
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1121 ebee16cc-31ac-478f-84a7-5cbb03baadba
2010-07-16 19:53:35 +00:00
peabody124
99e94228a9 More doxygen updates
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1106 ebee16cc-31ac-478f-84a7-5cbb03baadba
2010-07-16 05:31:11 +00:00
stac
71e491e3c1 com: mark tx buffer as const throughout API
The com layer transmit functions should provide guarantees
that they will not modify the buffer that you're transmitting.
Declaring the parameter as a pointer to const keeps the underlying
implementations honest.

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1001 ebee16cc-31ac-478f-84a7-5cbb03baadba
2010-07-04 02:21:08 +00:00
stac
771a56ca9d com/usart: generalize com driver API
- Created a pluggable COM layer
- Converted COM + USART init into static initializers
  rather than typedefs
- Generalized the USB HID COM API to match the USART
  API.
- Changed USART and COM layers to be data driven rather
  than #ifdef'ing/switching on the specifics of each port

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@760 ebee16cc-31ac-478f-84a7-5cbb03baadba
2010-06-13 04:24:26 +00:00
gussy
8f3c2dbafb Changes to PiOS to be compatible with the AHRS.
Updates to AHRS code.

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@615 ebee16cc-31ac-478f-84a7-5cbb03baadba
2010-05-11 13:36:13 +00:00
vassilis
a31215293d Flight\Telemetry Implement telemetry settings object, added functions for changing the baud rate in PiOS
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@607 ebee16cc-31ac-478f-84a7-5cbb03baadba
2010-05-08 02:44:26 +00:00
gussy
0aba12fe1f Loopback test of HID working. Still a WIP but committing what I have to show progress.
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@582 ebee16cc-31ac-478f-84a7-5cbb03baadba
2010-05-04 18:54:43 +00:00
gussy
8ba2d76cd6 OP-21: Cleaning up a few things.
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@302 ebee16cc-31ac-478f-84a7-5cbb03baadba
2010-03-13 20:46:46 +00:00
gussy
7863954f1a Added debugging port buffer handling.
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@297 ebee16cc-31ac-478f-84a7-5cbb03baadba
2010-03-13 15:37:00 +00:00
gussy
978e07419d Small FreeRTOS fixes.
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@294 ebee16cc-31ac-478f-84a7-5cbb03baadba
2010-03-13 06:44:15 +00:00
gussy
6764a34285 Updated some FreeRTOS specific issues and fixed a few typos.
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@292 ebee16cc-31ac-478f-84a7-5cbb03baadba
2010-03-12 16:22:56 +00:00
fredericg
47038af0c0 PIOS_DONT_USE_XXX => PIOS_INCLUDE_XXX
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@283 ebee16cc-31ac-478f-84a7-5cbb03baadba
2010-03-11 12:38:51 +00:00
dankers
e66c491942 Update to headers in the flight portion of the code. Just formatting.
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@276 ebee16cc-31ac-478f-84a7-5cbb03baadba
2010-03-10 09:12:31 +00:00
gussy
d406232eb1 Improvement OP-3; Implemented buffer based receiving functions, untested.
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@254 ebee16cc-31ac-478f-84a7-5cbb03baadba
2010-03-06 03:13:14 +00:00
gussy
09645920ee PIOS_COM and PIOS_USART now non-application specific.
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@243 ebee16cc-31ac-478f-84a7-5cbb03baadba
2010-03-04 07:07:27 +00:00
gussy
fcf47bf1f6 PIOS_USART now non-application specific.
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@206 ebee16cc-31ac-478f-84a7-5cbb03baadba
2010-02-28 08:29:14 +00:00
gussy
adcd47a31b Added ability to enable and disable PiOS modules.
Added PIOS_USB_COM.

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@202 ebee16cc-31ac-478f-84a7-5cbb03baadba
2010-02-28 06:47:49 +00:00
gussy
4eedbd854d A few updates for including PIOS_USB_HID into PIOS_COM.
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@187 ebee16cc-31ac-478f-84a7-5cbb03baadba
2010-02-12 10:11:17 +00:00
gussy
0a9be2dedd USB HID now working and integrated into PIOS_COM.
You can now send and receive packets (up to 63 bytes) just like using the USART port with PIOS_COM.
HID packet length will soon be increased to support maximum UAVTalk message length.



git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@182 ebee16cc-31ac-478f-84a7-5cbb03baadba
2010-02-10 03:31:51 +00:00
gussy
3b32b89839 Updated copyright headers.
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@146 ebee16cc-31ac-478f-84a7-5cbb03baadba
2010-01-31 17:56:54 +00:00
gussy
efdb5c5f2b Added MSD library.
Added PIOS_USB.
Global improvements, see specific files for changes.

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@144 ebee16cc-31ac-478f-84a7-5cbb03baadba
2010-01-31 16:48:23 +00:00
gussy
b2c23c5473 Added beginnings to POIS_PWM for RC Input.
Enabled ADC, needs reworking still.

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@139 ebee16cc-31ac-478f-84a7-5cbb03baadba
2010-01-25 15:23:55 +00:00
gussy
26410ad8de Back to where we were with r133, but now with proper SD Card code.
Additions to note; PIOS_SPI, DosFS and PIOS_SDCARD.

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@136 ebee16cc-31ac-478f-84a7-5cbb03baadba
2010-01-23 17:31:14 +00:00
gussy
f52a719c1d Updated all PIOS function names to new standard.
New standard to be used is PIOS_Module_Function().
Likewise with OpenPilot, OP_Module_Function() is to be used.

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@59 ebee16cc-31ac-478f-84a7-5cbb03baadba
2009-12-08 02:13:21 +00:00
gussy
58b09ed761 Changed all mention and use of "UART" to "USART".
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@41 ebee16cc-31ac-478f-84a7-5cbb03baadba
2009-12-01 17:15:33 +00:00
gussy
d7cd647e7e Directory re-structuring. Doesn't compile yet, need to commit first.
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@33 ebee16cc-31ac-478f-84a7-5cbb03baadba
2009-12-01 14:04:30 +00:00