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395 views

ftdi_open() of ftdi_sio v1.4.3 crash at _spin_lock_irqsave

i'm working on an sms related program using a ftdichip modem in gentoo-2.6.30 with ftdi_sio driver v1.4.3. But i'm running into a weird situation now: when OS starts up, my program will try to open ...
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1answer
95 views

Replacing phone line and modems with a pair of serial device servers

I have a pair of legacy applications that connect to each other through a phone line by use of external serial modems. I want to replace the telephone line with an Internet connection. The objective ...