The Microchip MDDFS Interface Library is implemented as an application layer (written by the user), a file manipulation layer, which actually performs operations on files, and one of several physical interface layers, including an SD card interface and two methods for interfacing with CF cards. The APIs for the file manipulation layer and each physical layer are described in this section.
Topics
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Name |
Description |
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The File Manipulation Layer contains functions for manipulating files or functions to access the device that are common across all physical layers. | |
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The SD-SPI physical layer offers the ability to interface to SD cards using the SPI protocol. SPI modules can be found on many Microchip microcontrollers. | |
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The CF physical layers offer two methods for interfacing with CF cards. The manual interface method will bit-bang the parallel interface protocol used by CF cards. The CF-PMP files will interface to the cards using the parallel master port on 16-bit PIC devices. At this time, 8-bit architecture PMP interface is not supported. |