> I am working with eCos on an AT91 platform for several month now, and > I have always used the serial port as a diagnostic interface for > debugging purpose. However, now I need to use it as a standard serial > in order to be able to use the O_NONBLOCK flag but I couldn't find a > way to use the 16x55 serial driver instead of the haldiag interface: > whatever I do, only the haldiag interface is selected, and removing > the haldiag seems to make it impossible to compile. > > I know I can use the solution consisting in replacing the GETC > function with a nonblocking one, and patching whatever function may > need blocking calls on it, but I can't imagine there is no way in eCos > to select whether my only serial port shall be considered as a > diagnostic interface or a _real_ serial port. > > Any clue will be welcome.
Make sure you have the hardware serial port drivers compiled in. With that you can use "/dev/ser0" etc. instead of "/dev/haldiag" and use non-blocking interfaces. --Chris
