126 lines
3.8 KiB
C
126 lines
3.8 KiB
C
/*
|
|
* Copyright (c) 2015, Yanzi Networks AB.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the copyright holder nor the
|
|
* names of its contributors may be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT HOLDER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
|
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
|
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* Simple serial protocol to list and interact with devices
|
|
* \author
|
|
* Joakim Eriksson <joakime@sics.se>
|
|
* Niclas Finne <nfi@sics.se>
|
|
*/
|
|
|
|
#include "contiki.h"
|
|
#include "net/ip/uip.h"
|
|
#include "net/ip/uiplib.h"
|
|
#include <stdio.h>
|
|
|
|
void print_node_list(void);
|
|
void set_value(const uip_ipaddr_t *addr, char *uri, char *value);
|
|
void get_value(const uip_ipaddr_t *addr, char *uri);
|
|
/*---------------------------------------------------------------------------*/
|
|
int
|
|
find_next_sep(const char *str, char sep, int pos)
|
|
{
|
|
char c;
|
|
while((c = str[pos]) != 0) {
|
|
if(c == sep) {
|
|
return pos + 1;
|
|
}
|
|
pos++;
|
|
}
|
|
return -1;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
/*
|
|
* l - list all discovered devices
|
|
* s - set <IP> <URI> <value>
|
|
* d - get <IP> <URI>
|
|
*/
|
|
void
|
|
serial_protocol_input(char *data)
|
|
{
|
|
/* We assume that we have a string here */
|
|
char cmd = data[0];
|
|
int pos = 0;
|
|
|
|
switch(cmd) {
|
|
case 'l':
|
|
/* list devices */
|
|
print_node_list();
|
|
break;
|
|
case 's': {
|
|
uip_ip6addr_t ipaddr;
|
|
char *uri;
|
|
char *value;
|
|
pos = find_next_sep(data, ' ', pos);
|
|
if(pos > 0) {
|
|
/* start of IP */
|
|
int start = pos;
|
|
pos = find_next_sep(data, ' ', pos);
|
|
if(pos == -1) {
|
|
return;
|
|
}
|
|
data[pos - 1] = 0;
|
|
if(uiplib_ip6addrconv(&data[start], &ipaddr) == 0) {
|
|
printf("* Error not valid IP\n");
|
|
}
|
|
uri = &data[pos];
|
|
pos = find_next_sep(data, ' ', pos);
|
|
if(pos == -1) return;
|
|
data[pos - 1] = 0;
|
|
value = &data[pos];
|
|
/* set the value at the specified node */
|
|
set_value(&ipaddr, uri, value);
|
|
}
|
|
break;
|
|
}
|
|
case 'g': {
|
|
uip_ip6addr_t ipaddr;
|
|
char *uri;
|
|
pos = find_next_sep(data, ' ', pos);
|
|
if(pos > 0) {
|
|
/* start of IP */
|
|
int start = pos;
|
|
pos = find_next_sep(data, ' ', pos);
|
|
if(pos == -1) return;
|
|
data[pos - 1] = 0;
|
|
if(uiplib_ip6addrconv((const char *) &data[start], &ipaddr) == 0) {
|
|
printf("* Error not valid IP\n");
|
|
}
|
|
uri = &data[pos];
|
|
/* get the value at the specified node */
|
|
get_value(&ipaddr, uri);
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
printf("Unknown command\n");
|
|
}
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|