Atmel AVR2070 - Manual (Page 19)

AVR2070
19
8240B-AVR-06/09
Figure 4-7-2 Simple Webserver Network Table
4.8 SD File Handling
The maximum size of SD card is 2 GB. The card should be formatted as FAT32. Note
that the SD file handling is rudimentary. Users needing more advanced file handling
can adapt the system as source code is available. See the files in the directory path
“../utasker/Applications/uTaskerV1.3/efsl/”. This file system was adapted from
www.efsl.be please refer to the originators for comprehensive details.
For the RUM demo described in the next section, it is recommended to initialize
(reset) the SAM7X with the SD card inserted. This will allow the EFSL to properly
initialize the data logging feature. In Table 5-1, the SD card handling commands are
described to demo operation.