Commit Graph

17 Commits

Author SHA1 Message Date
Flavio Ceolin 67ca176754 headers: Fix headers across the project
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>
2018-09-17 15:49:26 -04:00
Michael Hope 21b94bacd9 flash: minor documentation improvements.
This patch makes minor improvements to the flash documentation:

* spi -> SPI
* Capitialise the first word in a sentance
* Adding the, and, all, etc where appropriate.

Signed-off-by: Michael Hope <mlhx@google.com>
2017-11-28 12:25:19 -05:00
Marti Bolivar d4499a128e drivers: flash: fix doxygen use of "sector"
The Doxygen comments for the flash API refer to page and sector
interchangeably, without defining either. Fix the coments by providing
a definition of page and using that word consistently.

Signed-off-by: Marti Bolivar <marti@opensourcefoundries.com>
2017-11-15 13:10:56 -06:00
Andrew Boie 66aefcfcf4 drivers: flash: add system calls
The page_layout API returns pointers to kernel memory and is not
exposed to user mode. This is fine for flash_get_page_count()
and flash_get_page_info APIs since these copy the values, but some
redesign work will be needed to get flash_page_foreach() working in
user mode since we do not want the callback running in a privileged
state.

Due to the way that (even unimplemented) system call prototypes are
generated, the definition of struct flash_pages_info needed to be
moved outside of the #ifdef.

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
2017-10-30 13:20:19 -07:00
Andrzej Puzdrowski d1f232c99a drivers: flash: Add API for retrieving a supported write-block-size
This path introduce API for retrieving a minimum write-block-size
supported by the flash driver.
This value can differ from the hardware alignment requirement
(as it does for nRF5x).

As the driver has a certain requirement for alignment
when writing, it is necessary to export this value for upper modules
which need to know the write-block-size (for instance, NFFS needs this).

Signed-off-by: Andrzej Puzdrowski <andrzej.puzdrowski@nordicsemi.no>
2017-10-11 11:19:15 -05:00
Marti Bolivar 4f8081b5e4 drivers: flash: add flash_page_foreach()
This patch adds a routine which can be used to iterate over all flash
pages on the device.

This can be also done by using flash_get_page_info_by_idx(), but that
would add an unnecessary loop over the layout array for each page.

Signed-off-by: Marti Bolivar <marti.bolivar@linaro.org>
2017-10-06 22:12:23 -04:00
Andrzej Puzdrowski ce9f0b571e Drivers: flash: New API to obtain the flash layout
Added an internal function to obtain the flash page layout in
run-length encoded format. The API is simple and allows the actual
public API implementations to be simple and maintainable.
This feature can be enabled by using the FLASH_PAGE_LAYOUT Kconfig
option. This API is required for the implementation of flash file
system.

Added a public API to get flash page information (size and start offset)
by offset within the flash and by index of the page.
Added a generic implementation of the internal flash_get_page_info API.
Added an additional public API call to get the total count of pages in
the flash memory and its generic implementation.

Signed-off-by: Andrzej Puzdrowski <andrzej.puzdrowski@nordicsemi.no>
2017-09-11 11:41:57 -04:00
Kumar Gala 789081673f Introduce new sized integer typedefs
This is a start to move away from the C99 {u}int{8,16,32,64}_t types to
Zephyr defined u{8,16,32,64}_t and s{8,16,32,64}_t.  This allows Zephyr
to define the sized types in a consistent manor across all the
architectures we support and not conflict with what various compilers
and libc might do with regards to the C99 types.

We introduce <zephyr/types.h> as part of this and have it include
<stdint.h> for now until we transition all the code away from the C99
types.

We go with u{8,16,32,64}_t and s{8,16,32,64}_t as there are some
existing variables defined u8 & u16 as well as to be consistent with
Zephyr naming conventions.

Jira: ZEP-2051

Change-Id: I451fed0623b029d65866622e478225dfab2c0ca8
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2017-04-20 16:07:08 +00:00
David B. Kinder ac74d8b652 license: Replace Apache boilerplate with SPDX tag
Replace the existing Apache 2.0 boilerplate header with an SPDX tag
throughout the zephyr code tree. This patch was generated via a
script run over the master branch.

Also updated doc/porting/application.rst that had a dependency on
line numbers in a literal include.

Manually updated subsys/logging/sys_log.c that had a malformed
header in the original file.  Also cleanup several cases that already
had a SPDX tag and we either got a duplicate or missed updating.

Jira: ZEP-1457

Change-Id: I6131a1d4ee0e58f5b938300c2d2fc77d2e69572c
Signed-off-by: David B. Kinder <david.b.kinder@intel.com>
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2017-01-19 03:50:58 +00:00
Marcus Shawcroft af1d1c2d8c drivers/flash: Make references to driver_api const
Change-Id: Ib2b85638a82259a551005bd8d66a5a364104b14f
Signed-off-by: Marcus Shawcroft <marcus.shawcroft@arm.com>
2016-10-24 22:22:26 +00:00
ktseng be4ac5a3e9 flash: update API documentation
Fixed doxygen comments for flash API usage. Clarified the use of
flash_write_protection_set API for write and erase operations.

Jira: ZEP-383
Signed-off-by: Kuo-Lang Tseng <kuo-lang.tseng@intel.com>
Change-Id: I6a323915c63a393b7be8f96fe3fcd9616a9b21d1
2016-05-25 13:30:41 +00:00
Andre Guedes 4851ee78f1 drivers: Fix documentation from remaining APIs
This patch fixes the remaining APIs documentation which have reference
to DEV_* codes.

Change-Id: I26dd971a4b5e492ce026892f6262b84f7bde6296
Signed-off-by: Andre Guedes <andre.guedes@intel.com>
2016-03-16 19:30:04 -04:00
Andre Guedes 024cfe754e drivers: Replace DEV_OK by 0
This patch replaces all occurences of the macro DEV_OK by the actual
value 0 at the driver level. So this patch touch the files under
drivers/, include/ and samples/drivers/.

This patch is part of the effort to transition from DEV_* codes to
errno.h codes.

Change-Id: I69980ecb9755f2fb026de5668ae9c21a4ae62d1e
Signed-off-by: Andre Guedes <andre.guedes@intel.com>
2016-03-16 19:30:04 -04:00
Johan Hedberg 092289ffb5 flash: Use off_t for offset parameters
Now that the internal libc has the off_t type it's the natural choice
for the offset parameters in the flash API.

Change-Id: I69999999625b46634f6d3008fe1b3f82c17d357c
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-03-11 01:09:56 +00:00
Johan Hedberg a82ed2d905 flash: Reorder data & len parameters
This makes the ordering consistent e.g. with SPI, Bluetooth and
Networking APIs. This also follows the order of parameters in the
POSIX read/write APIs.

Change-Id: I4f11c8c90ccadf176d79f6a7bbd98aac61c26cf5
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-03-10 23:29:22 +00:00
Johan Hedberg d625e920f8 flash: Use size_t & void * for the read/write parameters
size_t is the natural type for any integer that describes a number of
bytes. For the actual data use void pointers to avoid callers having
to do explicit typecasts if the data doesn't originate in a uint8_t
array. Also use a const pointer for writing to avoid typecasts for
data that originates in a const location.

Change-Id: Idbfc14b2d61ca6189411b211c3727f857dbd4059
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-03-10 23:29:12 +00:00
Baohong Liu 29c8f95ec4 drivers: framework for a generic flash driver
The framework for a generic flash driver.

Change-Id: I030eb6d88338f4d6611fc6e5cae42ac586cfdb12
Signed-off-by: Baohong Liu <baohong.liu@intel.com>
2016-03-07 16:13:15 +00:00