Classes | Brief description |
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Serial flash driver structure. |
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Describes a serial firmware flash device parameters. |
Methods | |
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Initializes an AT26 driver instance with the given SPI driver and chip select value. |
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Tries to detect a serial firmware flash device given its JEDEC identifier. |
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Returns 1 if the serial flash driver is currently busy executing a command; otherwise returns 0. |
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Sends a command to the serial flash through the SPI. |
Defines | |
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Block erase command code (32K block). |
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Block erase command code (4K block). |
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Block erase command code (64K block). |
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Byte/page program command code. |
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Chip erase command code 1. |
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Chip erase command code 2. |
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Deep power-down command code. |
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Device is busy executing a command. |
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There was a problem while trying to program page data. |
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Device is protected, operation cannot be carried out. |
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There was an SPI communication error. |
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Protect sector command code. |
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Read array command code. |
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Read array (low frequency) command code. |
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Read manufacturer and device ID command code. |
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Read sector protection registers command code. |
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Read status register command code. |
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Resume from deep power-down command code. |
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Sequential program mode command code 1. |
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Sequential program mode command code 2. |
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Erase/program error bit. |
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Erase or program error detected. |
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Erase or program operation was successful. |
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Device ready/busy status bit. |
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Device is busy with internal operations. |
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Device is ready. |
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Sector protection registers locked bit. |
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Sector protection registers are locked. |
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Sector protection registers are unlocked. |
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Software protection status bitfield. |
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All sectors are software protected. |
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No sector is software protected. |
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Some sectors are software protected. |
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Write enable latch status bit. |
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Device is not write enabled. |
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Device is write enabled. |
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Write protect pin status bit. |
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Write protect signal is asserted. |
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Write protect signal is not asserted. |
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Unprotect sector command code. |
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Write disable command code. |
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Write enable command code. |
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Write status register command code. |
Types | |
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Serial flash driver structure. |
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Describes a serial firmware flash device parameters. |