harvey/sys/src/cmd/usb/serial.c

/*
 * This file is part of the UCB release of Plan 9. It is subject to the license
 * terms in the LICENSE file found in the top-level directory of this
 * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
 * part of the UCB release of Plan 9, including this file, may be copied,
 * modified, propagated, or distributed except according to the terms contained
 * in the LICENSE file.
 */

#include <u.h>
#include <libc.h>
#include <thread.h>
#include <usb/usb.h>
#include <usb/usbfs.h>
#include <usb/serial.h>
#include <usb/ucons.h>
#include <usb/prolific.h>
#include <usb/ftdi.h>
#include <usb/silabs.h>

enum {
	Arglen = 80,
};

typedef struct Parg Parg;

/* keep in sync with serial.c */
static void
usage(void)
{
	fprint(2, "usage: %s [-dD] [-N nb] [-m mtpt] [-s srv] [dev...]\n", argv0);
	threadexitsall("usage");
}

static int
matchserial(char *info, void*_)
{
	if(uconsmatch(info) == 0 || plmatch(info) == 0 ||
	    ftmatch(nil, info) == 0 || slmatch(info) == 0)
		return 0;
	return -1;
}

void
threadmain(int argc, char **argv)
{
	char *mnt, *srv, *as, *ae;
	char args[Arglen];

	mnt = "/dev";
	srv = nil;

	quotefmtinstall();
	ae = args + sizeof args;
	as = seprint(args, ae, "serial");
	ARGBEGIN{
	case 'D':
		usbfsdebug++;
		break;
	case 'd':
		usbdebug++;
		as = seprint(as, ae, " -d");
		break;
	case 'N':
		as = seprint(as, ae, " -N %s", EARGF(usage()));
		break;
	case 'm':
		mnt = EARGF(usage());
		break;
	case 's':
		srv = EARGF(usage());
		break;
	default:
		usage();
		break;
	}ARGEND;

	rfork(RFNOTEG);
	fmtinstall('U', Ufmt);
	threadsetgrp(threadid());

	usbfsinit(srv, mnt, &usbdirfs, MAFTER|MCREATE);
	startdevs(args, argv, argc, matchserial, nil, serialmain);
	threadexits(nil);
}