Re, Alexander Epaneshnikov, le dim. 18 oct. 2026 22:35:58 +0300, a ecrit: > On Sun, Oct 18, 2026 at 09:10:39PM +0200, Samuel Thibault wrote: > > Does the device sends the cell count first or the device identity > > first? > > I don't know for sure, as I don't have a real Baum display; mine is a > HumanWare Brailliant, which uses its own protocol. The comment in > NVDA's driver lists them as "device id, serial number and number of > cells", so the identity seems to come first, but that is the only hint > I have. BRLTTY's Baum driver doesn't use 0x15 at all, it asks for each > of them explicitly. > > NVDA itself doesn't depend on the order: it stores the cell count and > the identity separately as they arrive and continues once it has both. > I tested sending the identity first and then the cell count, and NVDA > detected the display. Ok, could you check the attached patch? Thanks, Samuel