/*******************************************************************************
**
** Function btm_update_bg_conn_list
**
** Description This function update the local background connection device list.
*******************************************************************************/
BOOLEAN btm_update_bg_conn_list(BOOLEAN to_add, BD_ADDR bd_addr)
{
tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb;
UINT8 i;
BD_ADDR dummy_bda = {0};
BTM_TRACE_EVENT0 ("btm_update_bg_conn_list");
if ((to_add && (p_cb->bg_conn_dev_num == BTM_BLE_MAX_BG_CONN_DEV_NUM || p_cb->num_empty_filter == 0)) ||
(!to_add && p_cb->num_empty_filter == p_cb->max_filter_entries))
{
BTM_TRACE_DEBUG1("num_empty_filter = %d", p_cb->num_empty_filter);
return FALSE;
}
for (i = 0; i < BTM_BLE_MAX_BG_CONN_DEV_NUM && i < p_cb->max_filter_entries; i ++)
{
/* to add */
if (memcmp(p_cb->bg_conn_dev_list[i], dummy_bda, BD_ADDR_LEN) == 0 && to_add)
{
memcpy(p_cb->bg_conn_dev_list[i], bd_addr, BD_ADDR_LEN);
p_cb->bg_conn_dev_num ++;
return TRUE;
}
/* to remove */
if (!to_add && memcmp(p_cb->bg_conn_dev_list[i], bd_addr, BD_ADDR_LEN) == 0)
{
memset(p_cb->bg_conn_dev_list[i], 0, BD_ADDR_LEN);
p_cb->bg_conn_dev_num --;
return TRUE;
}
}
return FALSE;
}
/*******************************************************************************
**
** Function btm_update_bg_conn_list
**
** Description This function update the local background connection device list.
*******************************************************************************/
BOOLEAN btm_update_bg_conn_list(BOOLEAN to_add, BD_ADDR bd_addr, UINT8 *p_attr_tag)
{
tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb;
tBTM_LE_BG_CONN_DEV *p_bg_dev = &p_cb->bg_dev_list[0], *p_next, *p_cur;
UINT8 i, j;
BOOLEAN ret = FALSE;
BTM_TRACE_EVENT0 ("btm_update_bg_conn_list");
if ((to_add && (p_cb->bg_dev_num == BTM_BLE_MAX_BG_CONN_DEV_NUM || p_cb->num_empty_filter == 0)))
{
BTM_TRACE_DEBUG1("num_empty_filter = %d", p_cb->num_empty_filter);
return ret;
}
for (i = 0; i < BTM_BLE_MAX_BG_CONN_DEV_NUM; i ++, p_bg_dev ++)
{
if (p_bg_dev->in_use && memcmp(p_bg_dev->bd_addr, bd_addr, BD_ADDR_LEN) == 0)
{
if (!to_add)
{
memset(p_bg_dev, 0, sizeof(tBTM_LE_BG_CONN_DEV));
p_cb->bg_dev_num --;
p_cur = p_bg_dev;
p_next = p_bg_dev + 1;
for (j = i + 1 ;j < BTM_BLE_MAX_BG_CONN_DEV_NUM && p_next->in_use ; j ++, p_cur ++, p_next ++ )
memcpy(p_cur, p_next, sizeof(tBTM_LE_BG_CONN_DEV));
}
ret = TRUE;
break;
}
else if (!p_bg_dev->in_use && to_add)
{
BTM_TRACE_DEBUG0("add new WL entry in bg_dev_list");
memcpy(p_bg_dev->bd_addr, bd_addr, BD_ADDR_LEN);
p_bg_dev->in_use = TRUE;
p_cb->bg_dev_num ++;
ret = TRUE;
break;
}
}
return ret;
}
BOOLEAN adpcm_voice_encode(tBTA_ATT_HSDATA *att_data)
{
//BTM_TRACE_DEBUG0("adpcm_voice_encode");
uint8_t buffer[MAX_FRAME_SIZE];
int size;
int frame_size;
UINT8 *p = NULL;
FILE *fp;
fp = fopen (RTK_STORAGE_PCM_FILE, "a+");
if (fp == NULL)
{
BTM_TRACE_WARNING0("open file failed\n");
return FALSE;
}
p = (UINT8*)(att_data->data+3);
size = att_data->data_len - 3;
/* we must receive 12 20-bytes packets followed by a 19-bytes packet */
switch (size) {
case 20:
adpcm_rec_cb.n_20bytes_pkts++;
if (adpcm_rec_cb.n_20bytes_pkts > 12){
BTM_TRACE_DEBUG0("20bytes pkt is exceed 12");
adpcm_rec_cb.n_20bytes_pkts = 1;
memcpy(adpcm_rec_cb.buffer + (adpcm_rec_cb.n_20bytes_pkts - 1) * 20,p, 20);
} else {
memcpy(adpcm_rec_cb.buffer + (adpcm_rec_cb.n_20bytes_pkts - 1) * 20,p, 20);
}
break;
case 19:
if (adpcm_rec_cb.n_20bytes_pkts != 12) {
BTM_TRACE_DEBUG0("20bytes pkt!=12,discard the frame");
adpcm_rec_cb.n_20bytes_pkts = 0;
} else {
memcpy(adpcm_rec_cb.buffer + adpcm_rec_cb.n_20bytes_pkts * 20, p, 19);
adpcm_rec_cb.n_20bytes_pkts = 0;
frame_size = adpcm_decode(adpcm_rec_cb.adpcm_state, buffer, adpcm_rec_cb.buffer,ADPCM_ENCODED_FRAME_SIZE);
BTM_TRACE_DEBUG1("frame size= %d",frame_size);
if(frame_size == 1020)
{
fwrite(buffer, frame_size, 1, fp);
if(adpcm_rec_cb.channel_status)
{
if(isEmpty())
{
BTM_TRACE_DEBUG0("the buffer empty,send data to socket");
VOHOG_LOCK();
if(!UIPC_RTKBT_VR_Send_noblock(UIPC_CH_ID_RTKBT_VR_AUDIO, 0, buffer, frame_size))
{
BTM_TRACE_WARNING0("send data fail, save data to buffer");
saveDATAtobuffer(buffer, frame_size);
}
VOHOG_UNLOCK();
} else {
BTM_TRACE_DEBUG0("the buffer is not empty, save data to buffer");
saveDATAtobuffer(buffer, frame_size);
}
} else {
if(!adpcm_rec_cb.channel_status)
{
BTM_TRACE_DEBUG0("socket is close");
}
saveDATAtobuffer(buffer, frame_size);
}
}else {
BTM_TRACE_DEBUG0("frame_size is error");
}
}
break;
default:
BTM_TRACE_DEBUG0("size is error");
}
//BTM_TRACE_DEBUG1("20bytes pkt= %d",adpcm_rec_cb.n_20bytes_pkts);
free(att_data);
//fseek(fp,0,SEEK_END);
//int lSize = ftell(fp);
//BTM_TRACE_WARNING1("file length %d\n",lSize);
fclose(fp);
return TRUE;
}
