4/127 User's & reference manual for µC/FS
2002 Micrium Technologies Corporation
Contents
Disclaimer............................................................................................................................ 2
Copyright notice .................................................................................................................. 2
Trademarks ......................................................................................................................... 2
Contact................................................................................................................................ 2
Software and manual versions ............................................................................................ 3
Contents.............................................................................................................................. 4
1. About this document........................................................................................................ 6
1.1. Assumptions ........................................................................................................ 6
1.2. How to use this manual........................................................................................ 6
1.3. Typographic Conventions for Syntax ................................................................... 6
2. Introduction to µC/FS ...................................................................................................... 7
2.1. What is µC/FS?.................................................................................................... 7
2.2. Features............................................................................................................... 7
3. Basic concepts ................................................................................................................ 8
3.1. API Layer ............................................................................................................. 8
3.2. File System Layer ................................................................................................ 8
3.3. Logical Block Layer.............................................................................................. 9
3.4. Device Driver ....................................................................................................... 9
4. Getting started............................................................................................................... 10
4.1. Installation.......................................................................................................... 10
4.2. Use the Windows sample................................................................................... 10
4.3. Integrating µC/FS into your system.................................................................... 16
5. Configuration of µC/FS.................................................................................................. 18
5.1. fs_conf.h ............................................................................................................ 18
5.2. fs_port.h............................................................................................................. 24
6. API functions ................................................................................................................. 27
6.1. File system control functions.............................................................................. 28
6.2. File access functions.......................................................................................... 30
6.3. Direct input/output functions............................................................................... 33
6.4. File positioning functions.................................................................................... 35
6.5. Error-handling functions..................................................................................... 37
6.6. Operations on files ............................................................................................. 40
6.7. Directory functions ............................................................................................. 41
6.8. Extended functions ............................................................................................ 48
7. Device drivers................................................................................................................ 50
7.1. Device driver functions....................................................................................... 50
7.2. Device driver function table................................................................................ 55
7.3. Integrate a new device driver ............................................................................. 55
8. SmartMedia Card Device Driver.................................................................................... 57
8.1. Control line functions ......................................................................................... 58
8.2. Power control functions...................................................................................... 64
8.3. Status detection functions.................................................................................. 66
8.4. Data transfer functions....................................................................................... 73
8.5. Timer functions .................................................................................................. 75
9. MultiMedia & SD card device driver .............................................................................. 79
9.1. General SPI configuration .................................................................................. 79
9.2. Control line functions ......................................................................................... 79
9.2. Operation condition detection and adjusting ...................................................... 82
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