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Break out Bluetooth functions in own module

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This commit is contained in:
Nils Faerber 2011-08-13 13:41:24 +02:00
parent 36bbcbe182
commit d1e0ca32db
5 changed files with 152 additions and 232 deletions
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9
Makefile
View file

@ -11,7 +11,7 @@ LDFLAGS = `pkg-config --libs glib-2.0` `pkg-config --libs dbus-glib-1` `pkg-conf
PRGNAME = metawatch
MEMBERS = metawatch crc16ccitt mw_utility mw_main
MEMBERS = metawatch crc16ccitt mw_utility mw_main bt_helper
# no need to change anything below this line
# ------------------------------------------
@ -24,13 +24,14 @@ SOURCES = $(patsubst %,%.c,$(MEMBERS))
OBJS = $(patsubst %,%.o,$(MEMBERS))
DEPS = $(patsubst %,%.d,$(MEMBERS))
all: $(PRGNAME)
all: $(PRGNAME) libmetawatch.a
$(PRGNAME): $(OBJS)
$(CC) -o $@ $^ $(LDFLAGS)
libmetawatch.a: metawatch.o crc16ccitt.o mw_utility.o
ar -cvq libmetawatch.a metawatch.o crc16ccitt.o mw_utility.o
libmetawatch.a: metawatch.o crc16ccitt.o mw_utility.o bt_helper.o
ar -cvq libmetawatch.a metawatch.o crc16ccitt.o mw_utility.o bt_helper.o
clean:
rm -f *.o *.d $(PRGNAME)

136
bt_helper.c Normal file
View file

@ -0,0 +1,136 @@
/*
* (c) 2011 Siegen, Germany by Nils Faerber <nils.faerber@kernelconcepts.de>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <termios.h>
#include <ctype.h>
#include <errno.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/rfcomm.h>
int open_socket(bdaddr_t *bdaddr, uint8_t channel)
{
struct sockaddr_rc addr;
int sk, opt;
sk = socket(PF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
if (sk < 0) {
fprintf(stderr, "Can't create socket: %s (%d)\n",
strerror(errno), errno);
return -1;
}
memset(&addr, 0, sizeof(addr));
addr.rc_family = AF_BLUETOOTH;
bacpy(&addr.rc_bdaddr, BDADDR_ANY);
if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
fprintf(stderr, "Can't bind socket: %s (%d)\n", strerror(errno), errno);
close(sk);
return -1;
}
/* Set link mode */
opt = 0;
opt |= RFCOMM_LM_MASTER;
opt |= RFCOMM_LM_AUTH;
/*
opt |= RFCOMM_LM_ENCRYPT;
opt |= RFCOMM_LM_SECURE;
*/
if (opt && setsockopt(sk, SOL_RFCOMM, RFCOMM_LM, &opt, sizeof(opt)) < 0) {
fprintf(stderr, "Can't set RFCOMM link mode: %s (%d)", strerror(errno), errno);
close(sk);
return -1;
}
memset(&addr, 0, sizeof(addr));
addr.rc_family = AF_BLUETOOTH;
bacpy(&addr.rc_bdaddr, bdaddr);
addr.rc_channel = channel;
if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
fprintf(stderr, "Can't connect: %s (%d)\n", strerror(errno), errno);
close(sk);
return -1;
}
return sk;
}
static void mbaswap(bdaddr_t *dst, const bdaddr_t *src)
{
register unsigned char *d = (unsigned char *) dst;
register const unsigned char *s = (const unsigned char *) src;
register int i;
for (i = 0; i < 6; i++)
d[i] = s[5-i];
}
static int mbachk(const char *str)
{
if (!str)
return -1;
if (strlen(str) != 17)
return -1;
while (*str) {
if (!isxdigit(*str++))
return -1;
if (!isxdigit(*str++))
return -1;
if (*str == 0)
break;
if (*str++ != ':')
return -1;
}
return 0;
}
int str2ba(const char *str, bdaddr_t *ba)
{
bdaddr_t b;
int i;
if (mbachk(str) < 0) {
memset(ba, 0, sizeof(*ba));
return -1;
}
for (i = 0; i < 6; i++, str += 3)
b.b[i] = strtol(str, NULL, 16);
mbaswap(ba, &b);
return 0;
}

8
bt_helper.h Normal file
View file

@ -0,0 +1,8 @@
#ifndef _BT_HELPER_H
#define _BT_HELPER_H
int str2ba(const char *str, bdaddr_t *ba);
int open_socket(bdaddr_t *bdaddr, uint8_t channel);
#endif

115
gtk-gui/mw-client.c
View file

@ -24,6 +24,7 @@
#include <metawatch.h>
#include <crc16ccitt.h>
#include <mw_utility.h>
#include <bt_helper.h>
typedef struct {
// GMainLoop *mloop;
@ -175,120 +176,6 @@ void mw_get_real_time_clock_response_cb(mwdevice_t *mwdevice, struct tm *mw_tm,
gtk_button_set_label(rtc_button, label_str);
}
int open_socket(bdaddr_t *bdaddr, uint8_t channel)
{
struct sockaddr_rc addr;
int sk, opt;
sk = socket(PF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
if (sk < 0) {
fprintf(stderr, "Can't create socket: %s (%d)\n",
strerror(errno), errno);
return -1;
}
/*
f = 1;
if (setsockopt(sk, SOL_BLUETOOTH, BT_FLUSHABLE, &f, sizeof(f)) < 0) {
fprintf(stderr, "Can't set flushable: %s (%d)\n",
strerror(errno), errno);
return -1;
}
*/
memset(&addr, 0, sizeof(addr));
addr.rc_family = AF_BLUETOOTH;
bacpy(&addr.rc_bdaddr, BDADDR_ANY);
if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
fprintf(stderr, "Can't bind socket: %s (%d)\n",
strerror(errno), errno);
close(sk);
return -1;
}
/* Set link mode */
opt = 0;
opt |= RFCOMM_LM_MASTER;
opt |= RFCOMM_LM_AUTH;
/*
opt |= RFCOMM_LM_ENCRYPT;
opt |= RFCOMM_LM_SECURE;
*/
if (opt && setsockopt(sk, SOL_RFCOMM, RFCOMM_LM, &opt, sizeof(opt)) < 0) {
fprintf(stderr, "Can't set RFCOMM link mode: %s (%d)",
strerror(errno), errno);
close(sk);
return -1;
}
memset(&addr, 0, sizeof(addr));
addr.rc_family = AF_BLUETOOTH;
bacpy(&addr.rc_bdaddr, bdaddr);
addr.rc_channel = channel;
if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
fprintf(stderr, "Can't connect: %s (%d)\n",
strerror(errno), errno);
close(sk);
return -1;
}
return sk;
}
void baswap(bdaddr_t *dst, const bdaddr_t *src)
{
register unsigned char *d = (unsigned char *) dst;
register const unsigned char *s = (const unsigned char *) src;
register int i;
for (i = 0; i < 6; i++)
d[i] = s[5-i];
}
int bachk(const char *str)
{
if (!str)
return -1;
if (strlen(str) != 17)
return -1;
while (*str) {
if (!isxdigit(*str++))
return -1;
if (!isxdigit(*str++))
return -1;
if (*str == 0)
break;
if (*str++ != ':')
return -1;
}
return 0;
}
int str2ba(const char *str, bdaddr_t *ba)
{
bdaddr_t b;
int i;
if (bachk(str) < 0) {
memset(ba, 0, sizeof(*ba));
return -1;
}
for (i = 0; i < 6; i++, str += 3)
b.b[i] = strtol(str, NULL, 16);
baswap(ba, &b);
return 0;
}
gboolean handle_mw_io(GIOChannel *mw_io, GIOCondition condition, gpointer udata)
{
mwdata_t *mdata = (mwdata_t *)udata;

116
mw_main.c
View file

@ -34,6 +34,8 @@
#include "crc16ccitt.h"
#include "mw_utility.h"
#include "bt_helper.h"
typedef struct {
GMainLoop *mloop;
mwdevice_t mwdevice;
@ -439,120 +441,6 @@ int feed_menu(mwdata_t *mdata)
return 0;
}
int open_socket(bdaddr_t *bdaddr, uint8_t channel)
{
struct sockaddr_rc addr;
int sk, opt;
//int f;
sk = socket(PF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
if (sk < 0) {
fprintf(stderr, "Can't create socket: %s (%d)\n",
strerror(errno), errno);
return -1;
}
/*
f = 1;
if (setsockopt(sk, SOL_BLUETOOTH, BT_FLUSHABLE, &f, sizeof(f)) < 0) {
fprintf(stderr, "Can't set flushable: %s (%d)\n",
strerror(errno), errno);
return -1;
}
*/
memset(&addr, 0, sizeof(addr));
addr.rc_family = AF_BLUETOOTH;
bacpy(&addr.rc_bdaddr, BDADDR_ANY);
if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
fprintf(stderr, "Can't bind socket: %s (%d)\n",
strerror(errno), errno);
close(sk);
return -1;
}
/* Set link mode */
opt = 0;
opt |= RFCOMM_LM_MASTER;
opt |= RFCOMM_LM_AUTH;
/*
opt |= RFCOMM_LM_ENCRYPT;
opt |= RFCOMM_LM_SECURE;
*/
if (opt && setsockopt(sk, SOL_RFCOMM, RFCOMM_LM, &opt, sizeof(opt)) < 0) {
fprintf(stderr, "Can't set RFCOMM link mode: %s (%d)",
strerror(errno), errno);
close(sk);
return -1;
}
memset(&addr, 0, sizeof(addr));
addr.rc_family = AF_BLUETOOTH;
bacpy(&addr.rc_bdaddr, bdaddr);
addr.rc_channel = channel;
if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
fprintf(stderr, "Can't connect: %s (%d)\n",
strerror(errno), errno);
close(sk);
return -1;
}
return sk;
}
void baswap(bdaddr_t *dst, const bdaddr_t *src)
{
register unsigned char *d = (unsigned char *) dst;
register const unsigned char *s = (const unsigned char *) src;
register int i;
for (i = 0; i < 6; i++)
d[i] = s[5-i];
}
int bachk(const char *str)
{
if (!str)
return -1;
if (strlen(str) != 17)
return -1;
while (*str) {
if (!isxdigit(*str++))
return -1;
if (!isxdigit(*str++))
return -1;
if (*str == 0)
break;
if (*str++ != ':')
return -1;
}
return 0;
}
int str2ba(const char *str, bdaddr_t *ba)
{
bdaddr_t b;
int i;
if (bachk(str) < 0) {
memset(ba, 0, sizeof(*ba));
return -1;
}
for (i = 0; i < 6; i++, str += 3)
b.b[i] = strtol(str, NULL, 16);
baswap(ba, &b);
return 0;
}
gboolean handle_mw_io(GIOChannel *mw_io, GIOCondition condition, gpointer udata)
{