view rvinterf/tmsh/bsimcmd.c @ 921:74d284add54d

fc-fsio: guard against bogus readdir results from the target If the FFS being operated on contains SE K2x0 extended filenames, readdir will return strings that are bad for printing. We need to guard against this possibility, and also against possible other bogosity that could be sent by other alien firmwares.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 31 Dec 2022 22:55:23 +0000
parents b3724fe6c581
children
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/*
 * In this module we are going to implement FreeCalypso BSIM
 * (battery simulation mode) commands.
 */

#include <sys/types.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <stdlib.h>
#include "limits.h"
#include "localtypes.h"
#include "etm.h"
#include "bsim_etm_cmd.h"
#include "exitcodes.h"

cmd_bsim_query(argc, argv)
	char **argv;
{
	u_char cmdpkt[4];

	cmdpkt[1] = ETM_BSIM;
	cmdpkt[2] = BSIM_CMD_QUERY;
	send_etm_cmd(cmdpkt, 2);
	return(0);
}

cmd_bsim_disch(argc, argv)
	char **argv;
{
	u_char cmdpkt[5];

	cmdpkt[1] = ETM_BSIM;
	cmdpkt[2] = BSIM_CMD_DISCHARGE;
	cmdpkt[3] = strtoul(argv[1], 0, 0);
	send_etm_cmd(cmdpkt, 3);
	return(0);
}

cmd_bsim_start(argc, argv)
	char **argv;
{
	u_char cmdpkt[4];

	cmdpkt[1] = ETM_BSIM;
	cmdpkt[2] = BSIM_CMD_CHG_START;
	send_etm_cmd(cmdpkt, 2);
	return(0);
}

cmd_bsim_start_enable(argc, argv)
	char **argv;
{
	u_char cmdpkt[5];

	cmdpkt[1] = ETM_BSIM;
	cmdpkt[2] = BSIM_CMD_START_ENABLE;
	cmdpkt[3] = strtoul(argv[1], 0, 0);
	send_etm_cmd(cmdpkt, 3);
	return(0);
}

cmd_bsim_ci2cv(argc, argv)
	char **argv;
{
	u_char cmdpkt[4];

	cmdpkt[1] = ETM_BSIM;
	cmdpkt[2] = BSIM_CMD_CHG_CI2CV;
	send_etm_cmd(cmdpkt, 2);
	return(0);
}

cmd_bsim_complete(argc, argv)
	char **argv;
{
	u_char cmdpkt[4];

	cmdpkt[1] = ETM_BSIM;
	cmdpkt[2] = BSIM_CMD_CHG_COMPLETE;
	send_etm_cmd(cmdpkt, 2);
	return(0);
}

cmd_bsim_ichg(argc, argv)
	char **argv;
{
	u_char cmdpkt[6];
	unsigned ichg;

	ichg = strtoul(argv[1], 0, 0);
	cmdpkt[1] = ETM_BSIM;
	cmdpkt[2] = BSIM_CMD_SET_ICHG;
	cmdpkt[3] = ichg;
	cmdpkt[4] = ichg >> 8;
	send_etm_cmd(cmdpkt, 4);
	return(0);
}

static struct cmdtab {
	char *cmd;
	int minargs;
	int maxargs;
	int (*func)();
} bsim_cmds[] = {
	{"ci2cv", 0, 0, cmd_bsim_ci2cv},
	{"complete", 0, 0, cmd_bsim_complete},
	{"disch", 1, 1, cmd_bsim_disch},
	{"ichg", 1, 1, cmd_bsim_ichg},
	{"query", 0, 0, cmd_bsim_query},
	{"start", 0, 0, cmd_bsim_start},
	{"start-enable", 1, 1, cmd_bsim_start_enable},
	{0, 0, 0, 0}
};

cmd_bsim(argc, argv)
	char **argv;
{
	struct cmdtab *tp;
	int extargs;

	for (tp = bsim_cmds; tp->cmd; tp++)
		if (!strcmp(tp->cmd, argv[1]))
			break;
	if (!tp->func) {
		printf("error: no such bsim command\n");
		return(ERROR_USAGE);
	}
	extargs = argc - 2;
	if (extargs > tp->maxargs) {
		printf("error: too many arguments\n");
		return(ERROR_USAGE);
	}
	if (extargs < tp->minargs) {
		printf("error: too few arguments\n");
		return(ERROR_USAGE);
	}
	return tp->func(argc - 1, argv + 1);
}