diff --git a/configs/samv71-xult/README.txt b/configs/samv71-xult/README.txt index 1efb630215..f08af3deb4 100644 --- a/configs/samv71-xult/README.txt +++ b/configs/samv71-xult/README.txt @@ -2364,28 +2364,20 @@ Configuration sub-directories 2016-04-21: I have gotten the apps/examples/nximage to work with lots issues with 16-bit RGB and verbose GRAPHICS and UPDATER debug ON. There are reliability problems and it hangs at the end of the - test. But if I turn UPDATE debug off (only), then the display - output is corrupted. I have also see hardfaults. + test. - Mostly likely, the UPDATER debug output slows the updates and - avoids some kind of race condition with the networking. Oddly, - it does not work at all if I turn off TCP write buffering. - - 2016-04-22: I added a 100 MS delay at the beginning of the - updater loop and it made no difference. This seems to eliminate - the suspected networking race condition. I am thinking now - either some data overrun or VNC protocol/timing issue? - - The default configuration now uses RGB8 which needs a lot less - SRAM for the local frame buffer and does not degrade the color + 2016-04-22: The default configuration now uses RGB8 which needs a lot + less SRAM for the local frame buffer and does not degrade the color quality in the remote display (since it is also 8 BPP). At 8 BPP, the remote display is correct even with both GRAPHICS and UPDATER debug OFF -- and there is no hang! - 2106-04-23: The NxImage example at apps/examplex/nximage. This was - selected because it is a very simple graphics test. Continued - testing, however, requires a more complex configuration. Hence, - the vnxwm configuration was created. + 2106-04-23: The NxImage test was selected because it is a very simple + graphics test. Continued testing, however, requires a more complex + configuration. Hence, the vnxwm configuration was created. + + A memory clobber error was fixed and this probably corrects some of + the reliability problems noted on 2016-04-21. vnxwm: diff --git a/include/nuttx/video/rfb.h b/include/nuttx/video/rfb.h index a8f68c45eb..c6108715f2 100644 --- a/include/nuttx/video/rfb.h +++ b/include/nuttx/video/rfb.h @@ -370,8 +370,8 @@ struct rfb_setpixelformat_s struct rfb_setencodings_s { uint8_t msgtype; /* U8 Message type */ - uint8_t padding[3]; - uint8_t nencodings[4]; /* U32 Number of encodings */ + uint8_t padding; + uint8_t nencodings[2]; /* U32 Number of encodings */ uint8_t encodings[4]; /* S32 Encoding type, size = 4*nencodings */ };