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/*
* Copyright (C) 2010 Sascha Hauer <s.hauer@pengutronix.de>
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*/
#include "config.h"
#include <stdlib.h>
#include "microcom.h"
static int cmd_speed(int argc, char *argv[])
{
unsigned long speed;
int ret;
if (argc < 2) {
printf("current speed: %lu\n", current_speed);
return 0;
}
speed = strtoul(argv[1], NULL, 0);
ret = ios->set_speed(ios, speed);
if (ret) {
fprintf(stderr, "invalid speed %lu\n", speed);
return ret;
}
current_speed = speed;
return 0;
}
static int cmd_flow(int argc, char *argv[])
{
char *flow;
if (argc < 2) {
switch (current_flow) {
default:
case FLOW_NONE:
flow = "none";
break;
case FLOW_SOFT:
flow = "soft";
break;
case FLOW_HARD:
flow = "hard";
break;
}
printf("current flow: %s\n", flow);
return 0;
}
switch (*argv[1]) {
case 'n':
current_flow = FLOW_NONE;
break;
case 's':
current_flow = FLOW_SOFT;
break;
case 'h':
current_flow = FLOW_HARD;
break;
default:
printf("unknown flow type \"%s\"\n", argv[1]);
return 1;
}
ios->set_flow(ios, current_flow);
return 0;
}
static int current_dtr = 0;
static int current_rts = 0;
static int cmd_set_handshake_line(int argc, char *argv[])
{
int enable;
int ret = 0;
int pin = 0;
if (!ios->set_handshake_line) {
printf("function not supported \"%s\"\n", argv[0]);
return 1;
}
if (!strncmp(argv[0], "dtr", 3))
pin = PIN_DTR;
else if (!strncmp(argv[0], "rts", 3))
pin = PIN_RTS;
if (!pin) {
printf("unknown pin \"%s\"\n", argv[0]);
return 1;
}
if (argc < 2) {
switch (pin) {
case PIN_DTR:
printf("current dtr: \"%d\"\n", current_dtr);
break;
case PIN_RTS:
printf("current rts: \"%d\"\n", current_rts);
break;
}
return 0;
}
if (!strncmp(argv[1], "1", strlen(argv[1]))) {
enable = 1;
} else if (!strncmp(argv[1], "0", strlen(argv[1]))) {
enable = 0;
} else {
printf("unknown dtr state \"%s\"\n", argv[1]);
return 1;
}
printf("setting %s: \"%d\"\n", argv[0], enable);
ret = ios->set_handshake_line(ios, pin, enable);
if (ret)
return ret;
switch (pin) {
case PIN_DTR:
current_dtr = enable;
break;
case PIN_RTS:
current_rts = enable;
break;
}
return 0;
}
static int cmd_exit(int argc, char *argv[])
{
return MICROCOM_CMD_START;
}
static int cmd_break(int argc, char *argv[])
{
ios->send_break(ios);
return MICROCOM_CMD_START;
}
static int cmd_quit(int argc, char *argv[])
{
microcom_exit(0);
return 0;
}
static int cmd_sendescape(int argc, char *argv[])
{
ios->write(ios, "\x1c", 1);
return 0;
}
static int cmd_help(int argc, char *argv[])
{
struct cmd *cmd;
if (argc == 1) {
for_each_command(cmd) {
if (cmd->info)
printf("%s - %s\n", cmd->name, cmd->info);
else
printf("%s\n", cmd->name);
}
} else {
microcom_cmd_usage(argv[1]);
}
return 0;
}
static int cmd_execute(int argc, char *argv[])
{
if (argc < 2)
return MICROCOM_CMD_USAGE;
return do_script(argv[1]);
}
static int cmd_log(int argc, char *argv[])
{
int ret;
if (argc < 2)
return MICROCOM_CMD_USAGE;
ret = logfile_open(argv[1]);
return ret;
}
static int cmd_comment(int argc, char *argv[])
{
return 0;
}
static struct cmd cmds[] = {
{
.name = "speed",
.fn = cmd_speed,
.info = "set terminal speed",
.help = "speed <newspeed>"
}, {
.name = "exit",
.fn = cmd_exit,
.info = "exit from command processing",
}, {
.name = "flow",
.fn = cmd_flow,
.info = "set flow control",
.help = "flow hard|soft|none",
}, {
.name = "dtr",
.fn = cmd_set_handshake_line,
.info = "set dtr value",
.help = "dtr 1|0",
}, {
.name = "rts",
.fn = cmd_set_handshake_line,
.info = "set rts value",
.help = "rts 1|0",
}, {
.name = "break",
.fn = cmd_break,
.info = "send break",
}, {
.name = "sendescape",
.fn = cmd_sendescape,
.info = "send a Ctrl-\\",
}, {
.name = "quit",
.fn = cmd_quit,
.info = "quit microcom",
}, {
.name = "help",
.fn = cmd_help,
.info = "show help",
}, {
.name = "x",
.fn = cmd_execute,
.info = "execute a script",
.help = "x <scriptfile>",
}, {
.name = "log",
.fn = cmd_log,
.info = "log to file",
.help = "log <logfile>",
}, {
.name = "#",
.fn = cmd_comment,
.info = "comment",
},
};
void commands_init(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(cmds); i++)
register_command(&cmds[i]);
}
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