view rvinterf/asyncshell/rxctl.c @ 416:30f6d1c32c6f

doc/Flash-boot-defect article removed (no longer relevant) This article is no longer relevant because the issue in question only affected one (1) defective FCDEV3B board which was not and never will be sold.
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 26 Oct 2018 07:11:08 +0000
parents e7502631a0f9
children
line wrap: on
line source

/*
 * This module contains the code for enabling and disabling the receiving
 * of various packet types via rvinterf.
 */

#include <sys/types.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <strings.h>
#include <stdlib.h>
#include "pktmux.h"
#include "localsock.h"

void
send_rxctl_cmd(channel, enable)
{
	u_char cmdbuf[2];

	cmdbuf[0] = enable ? CLI2RVI_WANT_MUXPROTO : CLI2RVI_DROP_MUXPROTO;
	cmdbuf[1] = channel;
	send_init_command(cmdbuf, 2);
}

void
ati_rx_control(newstate)
{
	static int state = 0;

	if (state == newstate)
		return;
	send_rxctl_cmd(RVT_AT_HEADER, newstate);
	state = newstate;
}

void
gpf_rx_control(newstate)
{
	static int state = 0;

	if (state == newstate)
		return;
	send_rxctl_cmd(RVT_L23_HEADER, newstate);
	state = newstate;
}

void
tch_rx_control(newstate)
{
	static int state = 0;

	if (state == newstate)
		return;
	send_rxctl_cmd(RVT_TCH_HEADER, newstate);
	state = newstate;
}

void
rxctl_user_cmd(args, enable)
	char *args;
{
	char *cp, *np;
	int gotsome = 0;

	for (cp = args; ; ) {
		while (isspace(*cp))
			cp++;
		if (!*cp) {
			if (!gotsome)
				printf("error: argument required\n");
			return;
		}
		for (np = cp; *cp && !isspace(*cp); cp++)
			;
		if (*cp)
			*cp++ = '\0';
		if (!strcmp(np, "ati"))
			ati_rx_control(enable);
		else if (!strcmp(np, "gpf"))
			gpf_rx_control(enable);
		else if (!strcmp(np, "tch"))
			tch_rx_control(enable);
		else {
			printf("error: unknown channel \"%s\"\n", np);
			return;
		}
		gotsome++;
	}
}

void
cmd_enable(args)
	char *args;
{
	rxctl_user_cmd(args, 1);
}

void
cmd_disable(args)
	char *args;
{
	rxctl_user_cmd(args, 0);
}