Hi Everybody, I'm developing a driver for an embedded system which uses a sagem HiloNC v2 and I really should need your help. It's my will to commit everything when shall be ready and working. First of all I will tell you what i did..I created a plugin sagem.c ,added a new Vendor , modified makefile & other stuff and seems to work properly. I started from calypso driver 'cause the modem is based on a Uart and I needed the MUX over that. With a very raw/dirty code I was able to use PPP/SMS/net service over virtual com.. Very good work dude! :)
Now I would like to clean up my code and get a better understanding of the stack. Unfortunately I saw that functions/modules are not always commented so I have to ask u a lot of questions (maybe also trivial): 1) AT cmds sent with "g_at_chat_send" are always async , is that right ? Is there any chance to get them sync ? 2) in enable fnc the modem is powered but The sim is not ready so sometimes It hangs up...Do I have to to poll the sim status until is ready , or the driver will do that by itself ? 3) could u explain me what should I really do in virtual fnc set_online / post_online ? i tried to stub them but they have not never been called... 4) unfortunately this modem has a SIM detection URC but it reset itself every time the status changes... so i should call the disable function and the enable again in order to have the MUX working... how can i do that? 5) I created and started the MUX as the first thing in enable fnc but is that right ? sometimes seems that the modem hangs up if just powered up. Put a delay but don't like it very much as a solution...moreover when I power up the modem all the URC have been lost 'cause the MUX has not been created yet.. Any help will be appreciated :) thanks in advance Marco
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