From: Mike McCarty (jmccarty_at_ssd.usa.alcatel.com)
Date: 2001-11-06 18:16:14
On Mon, 5 Nov 2001, MagerValp wrote: > >>>>> "gpz" == groepaz <groepaz_at_gmx.net> writes: > > gpz> BTW... different thing... is there already some header file that > gpz> defines an api for serial-port access? i have just recently made > gpz> the serial routines for the silversurfer (serial port for use > gpz> with the new retro-replay hardware) and since i am going to write > gpz> some debugging-stub using that for cc65 anyway (atm its just pure > gpz> asm) i'd be glad to do it in a way so other ppl can re-use those > gpz> pieces of code.... however, if there's no api defined for now, > gpz> mine looks like > > gpz> sio_init(portname,baudrate); /* init port, return 0 on success or -1 on error) */ > > Might I suggest that you add controls for word length, stop bits and > parity as well? And is baudrate a long or a named constant? 115200 and > up doesn't fit in an int. > > gpz> sio_readbyte(); /* waits until character arrives and returns it */ > gpz> sio_readbyte_nowait(); /* if character is waiting, returns it. otherwhise return 0 */ [snip] May I suggest a return of -1 rather than 0? Returning 0 would preclude implementing binary links with NUL characters in them. Mike ---------------------------------------------------------------------- To unsubscribe from the list send mail to majordomo_at_musoftware.de with the string "unsubscribe cc65" in the body(!) of the mail.
This archive was generated by hypermail 2.1.3 : 2001-12-14 22:05:44 CET