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Update #3938.
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Use RTEMS_SYSINIT_ORDER_LAST_BUT_5 instead of RTEMS_SYSINIT_ORDER_LAST
to allow applications and support functions to place system
initialization handlers behind the standard handlers.
Update #3838.
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This allows to mix SC16IS752 chips with other interrupts.
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For level triggered interrupts currently the handler would have been
called two times (assuming no one cleared the mask in a handler which
would have been bad because the handler couldn't process all other that
got cleared by accident). This patch allows the handler only to return
if nothing is left to do.
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The watchdog timer (WDT) can be configure only once. Do not touch it in
the BSP since the application may want to use it.
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Accept a time interval up to 24h.
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Set the alarm time according to the note in the datasheet.
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SAM V71 Xplained Ultra - Board explanation now in Modules->BSPs->ARM
Update #3706.
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Remove the channel status evaluation from XDMAD_Handler() and simply
hand over the status to the callbacks.
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Add Doxygen groups for contributed code which would otherwise end up at
the top level (about 178 groups).
Update #3706.
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Update #3706.
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For proper 16 bits per word support we need probably some DMA
adjustments. For 9 to 15 bits per word we need support for the variable
peripheral select, see SR_MR[PS] register bit.
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Load the channel interrupt mask only once.
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The previous approach contained a severe bug which disabled the SPI
module in some cases leading to a blocked SPI bus.
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Do not use SPID_Configure() since this will enable the peripheral each
time and performs a software reset.
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Remove superfluous sleep before each I2C transfer. Reset I2C module
after transfer timeouts.
Update #3534.
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Update #3534.
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Add and use <machine/rtems-bsd-kernel-space.h> and
<machine/rtems-bsd-user-space.h> similar to the libbsd to avoid command
line defines and defines scattered throught the code base.
Simplify cpukit/libnetworking/Makefile.am.
Update #3375.
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This patch fixes an overflow in the frequency calculation of the SPI
driver for slow SPI speeds.
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Quite a number of GMAC_... functions had a side effect of enabling the
transmit and receive. During the initialization of the ethernet driver,
that lead to the situation that the receive has been already enabled
while the DMA isn't set up correctly. Therefore the DMA interpreted the
values at address 0 as an DMA descriptor. When a packet is received
during that time, the behaviour is quite undefined.
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This allows a user to overwrite some MPU settings. That can for example
be usefull for devices with special requirements that are connected to
the external bus interface.
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This patch is a part of the BSP source reorganization.
Update #3285.
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This patch is a part of the BSP source reorganization.
Update #3285.
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This patch is a part of the BSP source reorganization.
Update #3285.
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This patch is a part of the BSP source reorganization.
Update #3285.
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This patch is a part of the BSP source reorganization.
Update #3285.
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This patch is a part of the BSP source reorganization.
Update #3285.
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Adjust various build files. Remove automatic generation of the
c/src/lib/libbsp/*/acinclude.m4 files from bootstrap script.
This patch is a part of the BSP source reorganization.
Update #3285.
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Adjust build support files to new directory layout.
This patch is a part of the BSP source reorganization.
Update #3285.
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This patch is a part of the BSP source reorganization.
Update #3285.
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This patch is a part of the BSP source reorganization.
Update #3285.
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This adds a simple function for setting the PIO drive strength.
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This patch fixes the cache handling for the atsam SPI driver. Note that
this solution might doesn't have the best performance for small packets.
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The SPI controller supports a decoder connected to the chip select
lines. This patch allows to use this mode.
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A speciality of the RTEMS build system was the make preinstall step. It
copied header files from arbitrary locations into the build tree. The
header files were included via the -Bsome/build/tree/path GCC command
line option.
This has at least seven problems:
* The make preinstall step itself needs time and disk space.
* Errors in header files show up in the build tree copy. This makes it
hard for editors to open the right file to fix the error.
* There is no clear relationship between source and build tree header
files. This makes an audit of the build process difficult.
* The visibility of all header files in the build tree makes it
difficult to enforce API barriers. For example it is discouraged to
use BSP-specifics in the cpukit.
* An introduction of a new build system is difficult.
* Include paths specified by the -B option are system headers. This
may suppress warnings.
* The parallel build had sporadic failures on some hosts.
This patch removes the make preinstall step. All installed header
files are moved to dedicated include directories in the source tree.
Let @RTEMS_CPU@ be the target architecture, e.g. arm, powerpc, sparc,
etc. Let @RTEMS_BSP_FAMILIY@ be a BSP family base directory, e.g.
erc32, imx, qoriq, etc.
The new cpukit include directories are:
* cpukit/include
* cpukit/score/cpu/@RTEMS_CPU@/include
* cpukit/libnetworking
The new BSP include directories are:
* bsps/include
* bsps/@RTEMS_CPU@/include
* bsps/@RTEMS_CPU@/@RTEMS_BSP_FAMILIY@/include
There are build tree include directories for generated files.
The include directory order favours the most general header file, e.g.
it is not possible to override general header files via the include path
order.
The "bootstrap -p" option was removed. The new "bootstrap -H" option
should be used to regenerate the "headers.am" files.
Update #3254.
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