1.\" $OpenBSD: ssdfb.4,v 1.3 2019/10/07 20:37:16 patrick Exp $ 2.\" 3.\" Copyright (c) 2019 Patrick Wildt <patrick@blueri.se> 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: October 7 2019 $ 18.Dt SSDFB 4 19.Os 20.Sh NAME 21.Nm ssdfb 22.Nd Solomon Systech SSD1306/SSD1309 OLED display module 23.Sh SYNOPSIS 24.Cd "ssdfb* at iic?" 25.Cd "ssdfb* at spi?" 26.Cd "wsdisplay* at ssdfb?" 27.Sh DESCRIPTION 28The 29.Nm 30driver supports OLED display modules based on the Solomon Systech SSD1306 or 31SSD1309 chips. 32The support for partial updates in both the chip and the driver improves the 33display's responsiveness. 34Due to the small resolution of about 128x64 the display makes most sense as a 35text-based terminal. 36.Sh SEE ALSO 37.Xr iic 4 , 38.Xr intro 4 , 39.Xr wscons 4 , 40.Xr wsdisplay 4 41.Sh HISTORY 42The 43.Nm 44driver first appeared in 45.Ox 6.4 . 46.Sh AUTHORS 47The 48.Nm 49driver was written by 50.An Patrick Wildt Aq Mt patrick@blueri.se . 51