ILiad protocol: einkfb
From MobileRead
Information gathered from displayMgr/src/displayMgr.c, contentLister/inc/cursor.h (which includes definitions from the yet-unreleased er0100_einkfb.h) and liberscribble/test/test.c
DISCLAIMER: The following information is not verified yet.
[edit] Commands
FBIO_IOCTL_BASE 'v' (major=118, 0x76)
| Name | ioctl_no | generated_by | parameter | description (tentative) |
| FBIO_DISPLAYPARTIAL | 0xfff | - | struct partial_display_update_info | Partial display update |
| FBIO_DISPLAY | 0x40087601 | _IOW(FBIO_IOCTL_BASE, 1, struct display_update_info) | struct display_update_info | Update entire display |
| FBIO_ERASE_WHITE | 0x40087602 | _IOW(FBIO_IOCTL_BASE, 2, struct display_update_info) | struct display_update_info | Entire display goes blank |
| FBIO_DRAWPIXELS | 0x40cc7603 | _IOW(FBIO_IOCTL_BASE, 3, struct transfer_buffer) | struct transfer_buffer | Draw brush strokes (scribble) |
| FBIO_DRAW_BRUSH | 0x400c7604 | _IOW(FBIO_IOCTL_BASE, 4, struct brush_draw_info_obsolete) | struct brush_draw_info_obsolete | |
| FBIO_REDRAW | 0x40087605 | _IOW(FBIO_IOCTL_BASE, 5, struct display_update_info) | struct display_update_info | |
| FBIO_UPLOAD_WAVEFORM | 0x40007606 | _IOC(_IOC_WRITE, FBIO_IOCTL_BASE, 6, WAVEFORM_SIZE) | ??? | |
| FBIO_UPLOAD_BRUSH | 0x7607 | _IO(FBIO_IOCTL_BASE, 7) | ??? | |
| FBIO_DRAW_BUBBLE | 0x400c7608 | _IOW(FBIO_IOCTL_BASE, 8, struct brush_draw_info_obsolete) | struct brush_draw_info_obsolete | |
| FBIO_DRAW_BRUSH_GENERIC | 0x40107609 | _IOW(FBIO_IOCTL_BASE, 9, struct brush_draw_info) | struct brush_draw_info | |
| FBIO_START_PROGRESS_BAR | 0x760a | _IO(FBIO_IOCTL_BASE, 10) | ??? |
To be completed :)
[edit] Links
[1] General article about linux drivers; explains what _IOW() does
[2] How to not invent kernel interfaces
