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drivers: add support for MTDs emulated in RAM #19443

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merged 10 commits into from
Apr 12, 2023
Merged

drivers: add support for MTDs emulated in RAM #19443

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7561973
drivers/mtd: small fixes in doc
gschorcht Apr 2, 2023
609c090
drivers/mtd_emulatd: MTD emulated in RAM for testing
gschorcht Apr 2, 2023
0cdcac9
tests/unittests/test-mtd: use emulated MTD as test mockup
gschorcht Apr 11, 2023
af5b75a
tests/littlefs: use emulated MTD as test mockup
gschorcht Apr 2, 2023
f724f34
tests/littlefs2: use emulated MTD as test mockup
gschorcht Apr 2, 2023
631df7c
tests/spiffs: use emulated MTD as test mockup
gschorcht Apr 2, 2023
4bb283c
tests/usbus_msc: use emulated MTD as test mockup
gschorcht Apr 4, 2023
1d4d3e4
drivers/mtd_default: expose one SD Card and one MTD emulated
gschorcht Apr 11, 2023
4af1fa6
tests/littlefs: reduce sector count for emulated MTD
gschorcht Apr 12, 2023
89f18c7
tests/littlefs: remove blacklisted boards due to reduced sector count
gschorcht Apr 12, 2023
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drivers/mtd: small fixes in doc
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@gschorcht
gschorcht committed Apr 11, 2023
commit 756197316ddf5fd1665875c70ac659e06bb441e1
16 changes: 8 additions & 8 deletions drivers/include/mtd.h
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Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,7 @@
* * A **sector** is the device's erase unit. Calls to @ref mtd_erase need to
* work in alignment with this number (commonly somewhere around 1kiB).
*
* (Note that this corresponse to the term "page" as used in the flashpage
* (Note that this corresponds to the term "page" as used in the flashpage
* API, and the term "eraseblock" in Linux's MTD).
*
* * A **page** is the largest a device can write in one transfer.
Expand Down Expand Up @@ -108,7 +108,7 @@ typedef struct mtd_desc mtd_desc_t;
typedef struct {
const mtd_desc_t *driver; /**< MTD driver */
uint32_t sector_count; /**< Number of sector in the MTD */
uint32_t pages_per_sector; /**< Number of pages by sector in the MTD */
uint32_t pages_per_sector; /**< Number of pages per sector in the MTD */
uint32_t page_size; /**< Size of the pages in the MTD */
uint32_t write_size; /**< Minimum size and alignment of writes to the device */
#if defined(MODULE_MTD_WRITE_PAGE) || DOXYGEN
Expand Down Expand Up @@ -324,8 +324,8 @@ int mtd_read(mtd_dev_t *mtd, void *dest, uint32_t addr, uint32_t count);
* @param[in] offset offset from the start of the page (in bytes)
* @param[in] size the number of bytes to read
*
* @return 0 on success
* @return < 0 if an error occurred
* @return number of bytes read on success
* @return < 0 value on error
* @return -ENODEV if @p mtd is not a valid device
* @return -ENOTSUP if operation is not supported on @p mtd
* @return -EOVERFLOW if @p addr or @p count are not valid, i.e. outside memory
Expand Down Expand Up @@ -373,8 +373,8 @@ int mtd_write(mtd_dev_t *mtd, const void *src, uint32_t addr, uint32_t count);
* @param[in] offset byte offset from the start of the page
* @param[in] size the number of bytes to write
*
* @return 0 on success
* @return < 0 if an error occurred
* @return number of bytes written on success
* @return < 0 value on error
* @return -ENODEV if @p mtd is not a valid device
* @return -ENOTSUP if operation is not supported on @p mtd
* @return -EOVERFLOW if @p addr or @p count are not valid, i.e. outside memory,
Expand Down Expand Up @@ -403,8 +403,8 @@ int mtd_write_page_raw(mtd_dev_t *mtd, const void *src, uint32_t page,
* @param[in] offset byte offset from the start of the page
* @param[in] size the number of bytes to write
*
* @return 0 on success
* @return < 0 if an error occurred
* @return number of bytes written on success
* @return < 0 value on error
* @return -ENODEV if @p mtd is not a valid device
* @return -ENOTSUP if operation is not supported on @p mtd
* @return -EOVERFLOW if @p addr or @p count are not valid, i.e. outside memory,
Expand Down