9 #include "tiny_bt_hci_cmd.h"
12 /************************** hci command functions**************************/
13 int send_hci_inquiry_cmd(void)
15 inquiry_cp cmdp, *p_cmdp = &cmdp;
16 hci_cmd_request creq, *p_creq = &creq;
17 inq_time time = T14s40;
18 responce_num num = NUM_RSP_20;
20 memset(p_cmdp, 0, sizeof(cmdp));
21 p_cmdp->lap[0] = 0x33;
22 p_cmdp->lap[1] = 0x8b;
23 p_cmdp->lap[2] = 0x9e;
24 p_cmdp->length = time;
25 p_cmdp->num_rsp = num;
26 memset(p_creq, 0, sizeof(creq));
27 p_creq->OCF_OGF = INQUIRY_CMD_OP;
28 p_creq->p_cmdp = p_cmdp;
29 p_creq->cmdp_len = INQUIRY_CP_SIZE;
31 if (send_cmd(p_creq) < 0) {
32 perror("hci_inquiry_cmd wasn't sent\n");
37 /* fill up the input parameter address pointer by one address*/
38 int send_hci_read_bd_addr_cmd(void)
40 hci_cmd_request creq, *p_creq = &creq;
42 memset(p_creq, 0, sizeof(creq));
43 p_creq->OCF_OGF = READ_BD_ADDR_CMD_OP;
46 if (send_cmd(p_creq) < 0) {
47 perror("hci_read_bd_addr wasn't sent\n");
53 int send_hci_read_local_name_cmd(void)
55 hci_cmd_request creq, *p_creq = &creq;
57 memset(p_creq, 0, sizeof(creq));
58 p_creq->OCF_OGF = READ_LOCAL_NAME_CMD_OP;
61 if (send_cmd(p_creq) < 0) {
62 perror("hci_read_local_name_cmd wasn't sent\n");
68 int send_hci_create_connection_cmd(bt_address *p_dest_addr)
70 create_conn_cp cmdp, *p_cmdp = &cmdp;
71 hci_cmd_request creq, *p_creq = &creq;
73 memset(p_cmdp, 0, sizeof(cmdp));
74 p_cmdp->bdaddr= *p_dest_addr;
75 p_cmdp->pkt_type = 0x0010;
76 p_cmdp->pscan_rep_mode = 0x01;
77 p_cmdp->pscan_mode = 0x00;
78 p_cmdp->clock_offset = 0xf000;
79 p_cmdp->role_switch = 0x00;
81 memset(p_creq, 0, sizeof(creq));
82 p_creq->OCF_OGF = CREATE_CONNECTION_CMD_OP;
83 p_creq->p_cmdp = p_cmdp;
84 p_creq->cmdp_len = CREATE_CONN_CP_SIZE;
86 if (send_cmd(p_creq) < 0) {
87 perror("hci_create_connection_cmd wasn't sent\n");
93 int send_hci_accept_conn_req_cmd(bt_address *p_address)
95 accept_conn_req_cp cmdp, *p_cmdp = &cmdp;
96 hci_cmd_request creq, *p_creq = &creq;
98 memset(p_cmdp, 0, sizeof(cmdp));
99 p_cmdp->bdaddr = *p_address;
101 memset(p_creq, 0, sizeof(creq));
102 p_creq->OCF_OGF = ACCEPT_CONNECTION_REQ_OP;
103 p_creq->p_cmdp = p_cmdp;
104 p_creq->cmdp_len = ACCEPT_CONN_REQ_CP_SIZE;
106 if (send_cmd(p_creq) < 0) {
107 perror("hci_accept_conn_req_cmd wasn't sent\n");
113 int send_hci_disconnect_cmd(__u16 handle)
115 disconnect_cp cmdp, *p_cmdp = &cmdp;
116 hci_cmd_request creq, *p_creq = &creq;
118 memset(p_cmdp, 0, sizeof(cmdp));
119 p_cmdp->handle = handle;
120 p_cmdp->reason = 0x13;
122 memset(p_creq, 0, sizeof(creq));
123 p_creq->OCF_OGF = DISCONNECT_CMD_OP;
124 p_creq->p_cmdp = p_cmdp;
125 p_creq->cmdp_len = DISCONNECT_CP_SIZE;
127 if (send_cmd(p_creq) < 0) {
128 perror("hci_disconnect_cmd wasn't sent\n");
134 int send_hci_data(char *p_data, __u16 lenght, __u16 *p_chandle)
136 hci_data_request dreq, *p_dreq = &dreq;
138 p_dreq->p_data = p_data;
139 p_dreq->lenght = lenght;
140 p_dreq->p_chandle = p_chandle;
142 if (send_data(p_dreq) < 0) {
143 perror("hci_accept_conn_req_cmd wasn't sent\n");
149 /*********************************main functions****************************/
150 int send_cmd(hci_cmd_request *p_creq)
152 __u8 array[p_creq->cmdp_len + 4];
156 sw_opcode = swap_2_bytes(p_creq->OCF_OGF);
157 array[0]= HCI_COMMAND_PKT;
158 memcpy(&array[1], &sw_opcode,2);
159 array[3] = p_creq->cmdp_len;
160 if (p_creq->cmdp_len > 0) {
161 memcpy(&array[4], p_creq->p_cmdp, p_creq->cmdp_len); // !!!!!!!!! segmentation fault
164 for (ii = 0; ii < sizeof(array); ii++) {
165 printf(" %x",array[ii]);
169 if (hw_bt_write(array, sizeof(array)) < 0) {
170 perror("hw_bt_write problem\n");
176 int send_data(hci_data_request *p_dreq)
179 __u8 array[p_dreq->lenght + 4];
181 array[0] = HCI_ACLDATA_PKT;
182 memcpy(&array[1], p_dreq->p_chandle, 2);
183 memcpy(&array[3], &p_dreq->lenght, 2);
184 memcpy(&array[5], p_dreq->p_data, p_dreq->lenght);
186 for (ii = 0; ii < sizeof(array); ii++) {
187 printf(" %x",array[ii]);
191 if (hw_bt_write(array,sizeof(array))<0) {
192 perror("hw_bt_write problem\n");
198 /*****************************HCI support functions*****************************/
200 void assemble_ocf_ogf(__u8 ocf,__u8 ogf,__u16 *p_ocf_ogf)
207 *p_ocf_ogf = (result | var1);
210 void printba(bt_address *ba)
212 printf("address: %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X: \n", ba->byte[0],
213 ba->byte[1], ba->byte[2], ba->byte[3], ba->byte[4], ba->byte[5]);
216 int compare_bda(bt_address *p_first, bt_address *p_second)
220 for (i = 0; i < sizeof(bt_address); i++) {
221 if (p_first->byte[i] == p_second->byte[i])
225 if (k == sizeof(bt_address))
226 return 1; //all bytes are similar
228 return 0; //addreses are different in one byte at least
231 void fill_zero(bt_address *p_addr)
235 for (i = 0; i < sizeof(bt_address); i++) {
236 p_addr->byte[i] = 0x00;
240 void swap_addrbytes(bt_address *p_addr)
242 bt_address help, *p_help = &help;
245 for (i = 0; i < sizeof(bt_address); i++) {
246 p_help->byte[i] = p_addr->byte[5-i];
251 __u16 swap_2_bytes(__u16 twobytes)
253 __u16 first, second, result=0;
255 first = twobytes & 255;
256 second = twobytes & 65280;
257 result = result | (first << 8);
258 result = result | (second >> 8);
262 __u8 swap8(__u8 byte1)
264 __u8 i, mask = 0, hvar1 = 0, resvar = 0;
266 for (i = 0; i < 8; i++) {
267 mask = 1 << i; // 1,2,4,8,16,32,64,128
268 hvar1 = byte1 & mask;
270 resvar = resvar + (128 >> i);
275 __u16 swap16(__u16 byte2)
278 __u16 mask = 0, hvar1 = 0, resvar = 0;
280 for (i = 0; i < 16; i++) {
282 hvar1 = byte2 & mask;
284 resvar = resvar + (32768 >> i);
289 void fill_add(bt_address *addr,__u8 first, __u8 sec,
290 __u8 third, __u8 forth, __u8 fifth, __u8 sixth)
292 addr->byte[0] = first;
294 addr->byte[2] = third;
295 addr->byte[3] = forth;
296 addr->byte[4] = fifth;
297 addr->byte[5] = sixth;