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Drivrutin fö r anslutning av extern seriel-device



Hej!

Jag ska implementera en drivrutin för en enhet som kopplas på en
seriell port.

Jag har gjort en implementation som använder sig av ttyS* på sättet
som beskrivs på sidan http://www.easysw.com/~mike/serial/ och det
verkar fungera.

Men jag tycker att det det inte verkar vara ett så bra interface när
man ska skriva och läsa råa data-bytes.

Enligt vad jag har fått höra så brukar man i ett inbyggt system när
man har lite större krav på timing skriva egna kernel-drivers för
den enhet och protokoll som man vill använda sig av.

Är det någon som har några tips och ideér och kanske vet om det finns
något exempel på nätet (med kod) där man går igenom hur man hanterar
kommunikation med en extern enhet över ett seriellt interface?

hälsningar
Håkan


 
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