how to read from serial suing serial include (amiblitz3+)

[plouf]

hi

i am now trying to use xinclude serial

has an example in botttom to use
and writemem works as expect

but i cannot read

i have try

Code:

  serial_ReadMem {0,&rbuffer.s,1}
 NPrint "Received ",rbuffer,a

no success

also how do you check if there are (and how many) bytes waiting !?