Difference between revisions of "FMX"
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* Any ''code'' accessing the ethernet controller's registers must be in an ''even'' page of memory! | * Any ''code'' accessing the ethernet controller's registers must be in an ''even'' page of memory! | ||
| − | * The SD Card controller's "raw access" mode only works so long as you don't initialize | + | * The SD Card controller's "raw access" mode only works so long as you don't initialize it. Once you've invoked the init function, raw access will fail until the next reset. |
* A special "song-and-dance" routine is needed to switch from 800x600 back down to 640x480. See the various kernel sources for details. | * A special "song-and-dance" routine is needed to switch from 800x600 back down to 640x480. See the various kernel sources for details. | ||
Revision as of 13:24, 15 March 2024
Software Errata:
- Any code accessing the ethernet controller's registers must be in an even page of memory!
- The SD Card controller's "raw access" mode only works so long as you don't initialize it. Once you've invoked the init function, raw access will fail until the next reset.
- A special "song-and-dance" routine is needed to switch from 800x600 back down to 640x480. See the various kernel sources for details.
