2023-10-23 19:21:37 +02:00
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====================
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2023-10-23 18:58:34 +02:00
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``media`` Media test
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====================
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2023-10-21 12:24:43 +02:00
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The media test simply writes values onto the media hidden behind a character
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driver and verifies that the media can be successfully written and read. This
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low level test is useful in the early phases of the bringup of a new block or
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mtd driver because it avoids the complexity of a file system.
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This test uses a character driver and cannot directly access block or mtd
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drivers. This test is suitable for use EEPROM character drivers (see
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``nuttx/drivers/eeprom``), or with block drivers wrapped as character drivers (see
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``nuttx/drivers/bch``)
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.. code-block:: C
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int ret = bchdev_register(<path-to-block-driver>, <path-to-character-driver>,
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false);
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MTD drivers need an additional wrapper layer, the FTL wrapper must first be used
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to convert the MTD driver to a block device:
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.. code-block:: C
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int ret = ftl_initialize(<N>, mtd);
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ret = bchdev_register(/dev/mtdblock<N>, <path-to-character-driver>, false);
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