Allow individual specification of the time quanta used for the CAN bus
propagation segment and phase segment 1.
Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
Add support for two CAN bus controller instances and disable both of
them by default. Enable CAN_1 for the STM boards currently supporting
CAN.
Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
If the socket is closed, then do CAN detach if that is needed.
This way the CAN interrupts are not received if there are no
CAN sockets listening the data.
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Change code from using now deprecated DT_<COMPAT>_<INSTANCE>_<PROP>
defines to using DT_INST_<INSTANCE>_<COMPAT>_<PROP>.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
The filenames of the can drivers were not consisten.
Changed them to can_<dev name>
Signed-off-by: Alexander Wachter <alexander.wachter@student.tugraz.at>
This commit implements a CAN loopback device. This device is used
for testing when no CAN controller is available on the hardware.
Signed-off-by: Alexander Wachter <alexander.wachter@student.tugraz.at>
can_attach_workq is an isr wrapper that puts a work item into a workq
whenever a received frame matches the filter. With this function it is
possible to have a callback that is offloaded. This is useful if the
work is too complex for an isr or USERSPACE is enabled.
Signed-off-by: Alexander Wachter <alexander.wachter@student.tugraz.at>
can_attach_msgq can be implemented as a wrapper of can_attach_isr.
This is implemented as a common function for all drives and reduces
the complexity of the specific drivers. Since this is common to
multi instances of drivers too, it is removed from the API struct.
Signed-off-by: Alexander Wachter <alexander.wachter@student.tugraz.at>
This commit extends the CAN api can_send function by an argument
that is passed to the isr callback.
With this extension it is possible to distinguish between sent masseges
when they use the same callback.
Signed-off-by: Alexander Wachter <alexander.wachter@student.tugraz.at>
This commit extends the CAN api attach_isr function by an argument
that is passed to the isr callback.
With this extension it is possible to distinguish between filter matches
when they use the same callback.
Signed-off-by: Alexander Wachter <alexander.wachter@student.tugraz.at>
Bits are actually shifted by filter number instead of bank number.
This results in wrong mode and filter_index calculation.
Fix shifting of mode bits by using bank_number instead of filter_number.
Signed-off-by: Alexander Wachter <alexander.wachter@student.tugraz.at>
Fixed using chipselect with seperate chipselect GPIOs and how they were
referenced from/in DeviceTree.
Also configure the device during initialization so it's ready to go
after init.
Signed-off-by: Karsten Koenig <karsten.koenig.030@gmail.com>
Adjusted the MCP2515 driver to switch from KConfig SPI configuration to
DTS based configuration.
Signed-off-by: Karsten Koenig <karsten.koenig.030@gmail.com>
The MCP2515 is a CAN controller that can be connected via SPI to an
host MCU. This driver adds support for the MCP2515 as a new driver in
the CAN subsystem.
As it is a SPI peripheral it uses a thread for its interrupt
handling and the received message filtering is done inside this
interrupt thread, as the MCP2515 filter capabilities are not sufficient
for the Zephyr CAN interface.
The driver was validated with an external CAN logger and the adjusted
CAN sample application.
Signed-off-by: Karsten Koenig <karsten.koenig.030@gmail.com>
Update the files which contain no license information with the
'Apache-2.0' SPDX license identifier. Many source files in the tree are
missing licensing information, which makes it harder for compliance
tools to determine the correct license.
By default all files without license information are under the default
license of Zephyr, which is Apache version 2.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Inside can_stm32_runtime_configure() result of
clock_control_get_rate() is not checked which might result that
function can return error and that error can not be handled
Coverity-CID: 190926
Fixes: #13886
Signed-off-by: Maksim Masalski <maxxliferobot@gmail.com>
Update reserved function names starting with one underscore, replacing
them as follows:
'_k_' with 'z_'
'_K_' with 'Z_'
'_handler_' with 'z_handl_'
'_Cstart' with 'z_cstart'
'_Swap' with 'z_swap'
This renaming is done on both global and those static function names
in kernel/include and include/. Other static function names in kernel/
are renamed by removing the leading underscore. Other function names
not starting with any prefix listed above are renamed starting with
a 'z_' or 'Z_' prefix.
Function names starting with two or three leading underscores are not
automatcally renamed since these names will collide with the variants
with two or three leading underscores.
Various generator scripts have also been updated as well as perf,
linker and usb files. These are
drivers/serial/uart_handlers.c
include/linker/kobject-text.ld
kernel/include/syscall_handler.h
scripts/gen_kobject_list.py
scripts/gen_syscall_header.py
Signed-off-by: Patrik Flykt <patrik.flykt@intel.com>
* Registration of interrupt context callbacks from user mode
is forbidden.
- Remove can_attach_isr() as a system call
- Enforce that can_send() has a NULL callback parameter
* k_msgq are kernel objects that do not live in user memory.
Fix the checks for it in can_attach_msgq().
* CAN API documentation was with the API struct typedefs and
not the actual APIs. Moved.
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
When attaching the filters in a way that the filter width dos not change
but the type, CAN_NO_FREE_FILTER was returned when the new filter is at
the end. Also shifting is not necessary when the start is already out
of bounds.
Signed-off-by: Alexander Wachter <alexander.wachter@student.tugraz.at>
Potentially overflowing expression 1U << register_demand
I changed to (u64_t)1U << register_demand
To avoid overflow, I casted 1U to type u64_t.
Coverity-CID: 190996
Fixes: #13829
Signed-off-by: Maksim Masalski <maxxliferobot@gmail.com>
Change the parameter types from can_msg to zcan_frame and from
can_filter to zcan_filter.
Signed-off-by: Alexander Wachter <alexander.wachter@student.tugraz.at>
For sending the zcan_frame can be const, because its only
copied to the registers.
Signed-off-by: Alexander Wachter <alexander.wachter@student.tugraz.at>
Follow the pattern we have for other peripherals in that if the driver
class (CAN) is enabled than enable the driver for that class
(CAN_STM32). Also have the STM32 CAN driver depend on being on a STM32
SoC.
Remove setting of CONFIG_CAN_STM32 in any .conf files as it will get set
of CONFIG_CAN is set/enabled.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
In order to follow the naming from Linux, change the name of
can_msg to zcan_frame, and can_msg_filter to zcan_filter.
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Add new "struct can_frame" which is compatible with Linux so that it
is easier to port socket-can applications from Linux.
Rename existing can_filter to can_msg_filter so that the name will
not conflict with Linux compatible can_filter struct.
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This commit makes the stm32 CAN driver more readable and fix
a bug where the usage and rx_response array are not shifted correctly.
Signed-off-by: Alexander Wachter <alexander.wachter@student.tugraz.at>
Add support for socket CAN functionality. This means that user
is able to use BSD socket interface to send and receive CAN
packets.
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
These changes were obtained by running a script created by
Ulf Magnusson <Ulf.Magnusson@nordicsemi.no> for the following
specification:
1. Read the contents of all dts_fixup.h files in Zephyr
2. Check the left-hand side of the #define macros (i.e. the X in
#define X Y)
3. Check if that name is also the name of a Kconfig option
3.a If it is, then do nothing
3.b If it is not, then replace CONFIG_ with DT_ or add DT_ if it
has neither of these two prefixes
4. Replace the use of the changed #define in the code itself
(.c, .h, .ld)
Additionally, some tweaks had to be added to this script to catch some
of the macros used in the code in a parameterized form, e.g.:
- CONFIG_GPIO_STM32_GPIO##__SUFFIX##_BASE_ADDRESS
- CONFIG_UART_##idx##_TX_PIN
- I2C_SBCON_##_num##_BASE_ADDR
and to prevent adding DT_ prefix to the following symbols:
- FLASH_START
- FLASH_SIZE
- SRAM_START
- SRAM_SIZE
- _ROM_ADDR
- _ROM_SIZE
- _RAM_ADDR
- _RAM_SIZE
which are surprisingly also defined in some dts_fixup.h files.
Finally, some manual corrections had to be done as well:
- name##_IRQ -> DT_##name##_IRQ in uart_stm32.c
Signed-off-by: Andrzej Głąbek <andrzej.glabek@nordicsemi.no>
Any word started with underscore followed by and uppercase letter or a
second underscore is a reserved word according with C99.
Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
The return of memset is never checked. This patch explicitly ignore
the return to avoid MISRA-C violations.
The only directory excluded directory was ext/* since it contains
only imported code.
Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
This commit is a fix for Issue #8226
- Error flags are assigned to the correct mailbox now.
- set_filter_mutex is moved from can_stm32_attach to the wrappers
can_stm32_attach_isr and can_stm32_attach_msgq. This protects
response_type variable.
- Waiting for empty mailbox semaphore return value
is checked for none zero values to check all error states.
- The mailbox tx_int_sem is reset before the sending is triggered.
Signed-off-by: Alexander Wachter <alexander.wachter@student.tugraz.at>
Bool symbols implicitly default to 'n'.
A 'default n' can make sense e.g. in a Kconfig.defconfig file, if you
want to override a 'default y' on the base definition of the symbol. It
isn't used like that on any of these symbols though, and is
inconsistent.
This will make the auto-generated Kconfig documentation have "No
defaults. Implicitly defaults to n." as well, which is clearer than
'default n if ...'
Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
As part of HAL_CAN_Init we check the initial state of the can handle.
Setting it to HAL_CAN_STATE_RESET as an initial state to start the
Init properly.
Resolves: #8416
Coverity-CID: 186580
Signed-off-by: Sritej Kanakadandi Venkata Rama <sritej.kvr@gmail.com>
This commit splits the common interrupt into rx and tx parts because
only STM32F0 series has a common interrupt.
Moved clock source definition to device-tree.
Signed-off-by: Alexander Wachter <alexander.wachter@student.tugraz.at>
This commit moves the bit timing (PROP, BS1, BS2 segments and SWJ)
from Kconfig to the device-tree and fixes issue #7933
Signed-off-by: Alexander Wachter <alexander.wachter@student.tugraz.at>
This commit adds low level driver support for STM32 micro controllers.
It is tested on stm32f072b in loopback and normal mode.
Signed-off-by: Alexander Wachter <alexander.wachter@student.tugraz.at>
