X-Git-Url: https://rtime.felk.cvut.cz/gitweb/tiny-bt.git/blobdiff_plain/15845cb687bd8f447736462984d8754b4d38d9fc..e47ae802678720f0859cd76e00a7254b03ef5ace:/src2/bt_hw.c

diff --git a/src2/bt_hw.c b/src2/bt_hw.c
index af5e50d..00d18f6 100644
--- a/src2/bt_hw.c
+++ b/src2/bt_hw.c
@@ -1,7 +1,7 @@
 /*
 *  C Implementation: bt_hw
 *
-* Description: 
+* Description: hardweare function for sockets
 *
 *
 * Author: root <root@ubuntu>, (C) 2008
@@ -9,104 +9,78 @@
 * Copyright: See COPYING file that comes with this distribution
 *
 */
-int hw_dd;
-__u8 hw_type;
+#include<sys/socket.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/ioctl.h>
+#include <errno.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdint.h>
+#include "bt_hw.h"
+#include "hciembeded.h"
 
+static int hw_dd;
 
-int hw_bt_open_device(__u8 type, __u8 dev_id){
-	hw_type=type;
-	
-	switch(type){
-
-	case 0:{
-		struct sockaddr_hci address;
-		int dd;
-		int oldflag;
+int hw_bt_open_device(__u8 dev_id){
+	struct sockaddr_hci address;
+	int dd;
+	int oldflag;
+	if((dd=socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI))<0){
+		perror("socket no created");
+		return dd; //it return -1 when socket isn't created
+	}
 	
-		if((dd=socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI))<0){
-			perror("socket no created");
-			return dd; //it return -1 when socket isn't created
-		}
-		
-		oldflag=fcntl(dd, F_GETFL, 0);
-		if(fcntl(dd, F_SETFL, oldflag | O_NONBLOCK) < 0){
-			perror("problem with socket flag setting");
-			return -1;
-		}
+	oldflag=fcntl(dd, F_GETFL, 0);
+	if(fcntl(dd, F_SETFL, oldflag | O_NONBLOCK) < 0){
+		perror("problem with socket flag setting");
+		return -1;
+	}
 	
-		memset(&address,0,sizeof(address));
-		address.hci_family=AF_BLUETOOTH;
-		address.hci_dev=dev_id;
-		if(bind(dd,(struct sockaddr *) &address, sizeof(address))<0){
-			perror("Socket not binded to hci device");
-			close(dd);
-			return -1;
-		}
+	memset(&address,0,sizeof(address));
+	address.hci_family=AF_BLUETOOTH;
+	address.hci_dev=dev_id;
+	if(bind(dd,(struct sockaddr *) &address, sizeof(address))<0){
+		perror("Socket not binded to hci device");
+		close(dd);
+		return -1;
+	}
 	
-		if(ioctl(dd, HCISETRAW,1)<0){
-			perror("error in ioctl HCISETRAW");
-			return -1;
+	if(ioctl(dd, HCISETRAW,1)<0){
+		perror("error in ioctl HCISETRAW");
+		return -1;
 			
-		}
-		hw_dd=dd;
-		return dd;
-		}
-	case 1:{
-
-		}
 	}
-
-	return -1;
+	hw_dd=dd;
+	return dd;
 }
 
 int hw_bt_close_dev(){
-	switch(hw_type){
-	case 0:{
-		return close(hw_dd);
-	}
-	case 1:{
-
-	}
-	
-	}
-		
-	return -1;
+	return close(hw_dd);
 }
 
 int hw_bt_write(__u8 *p_array, __u16 length){
-	switch(hw_type){
-	case 0:{
-		while(write(hw_dd, p_array, length)<0){
-			perror("write interrupted");
-			if(errno == EAGAIN || errno == EINTR)
-				continue;
-			return -1;
-		}
-	}
-	case 1:{
-
-	}
+	while(write(hw_dd, p_array, length)<0){
+		perror("write interrupted");
+		if(errno == EAGAIN || errno == EINTR)
+			continue;
+		return -1;
+		
 	}
 	return 0;
 }
 
 int hw_bt_read(__u8 *p_recbuf){
 	int len;
-	switch(hw_type){	
-	case 0:{
-		while((len=read(hw_dd, p_recbuf, sizeof(p_recbuf*HCI_MAX_EVENT_SIZE)))<0){
-				if(errno == EINTR)
-					continue;
-				if(errno == EAGAIN)
-					return 0;
-				perror("Problem with reading \n");
-				return -1;
-			}
-		return len;
-	}
-	case 1:{
-
-	}
+	while((len=read(hw_dd, p_recbuf, sizeof(p_recbuf)*HCI_MAX_EVENT_SIZE))<0){
+		if(errno == EINTR)
+			continue;
+		if(errno == EAGAIN)
+			return 0;
+		perror("Problem with reading \n");
+			return -1;
 	}
-
+	return len;
 }
+