Diff: source/bluenrg-hci/hci/ble_hci.c

Branch:

34e2f6254ad7de7fc7f377a0614c3a672cf7cd5c

Revision:

280:fbee0e3444be

Parent:

264:1e754a01869e

Child:

294:fd19310b086d

diff -r 30a6a8ad2623 -r fbee0e3444be source/bluenrg-hci/hci/ble_hci.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/source/bluenrg-hci/hci/ble_hci.c	Thu Sep 15 10:51:47 2016 +0100
@@ -0,0 +1,1227 @@
+/**
+  ******************************************************************************
+  * @file    hci.c 
+  * @author  AMS/HESA Application Team
+  * @brief   Function for managing HCI interface.
+  ******************************************************************************
+  *
+  *
+  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
+  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
+  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
+  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
+  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+  *
+  * <h2><center>&copy; COPYRIGHT 2013 STMicroelectronics</center></h2>
+  */ 
+
+#include "hal_types.h"
+#include "osal.h"
+#include "ble_status.h"
+#include "hal.h"
+#include "hci_const.h"
+#include "gp_timer.h"
+#include "debug.h"
+
+#include "stm32_bluenrg_ble.h"
+
+#if BLE_CONFIG_DBG_ENABLE
+#undef PRINTF
+#endif
+
+#define HCI_LOG_ON 0
+
+#define HCI_READ_PACKET_NUM_MAX 		 (0x40)
+
+#define MIN(a,b)            ((a) < (b) )? (a) : (b)
+#define MAX(a,b)            ((a) > (b) )? (a) : (b)
+
+tListNode hciReadPktPool;
+tListNode hciReadPktRxQueue;
+
+// betzw - DEBUG:
+//#define POOL_CNT
+#ifdef POOL_CNT
+#include <stdio.h>
+static unsigned int nr_hciReadPktPool;
+static unsigned int lowest_nr_hciReadPktPool;
+#endif // POOL_CNT
+
+/* pool of hci read packets */
+static tHciDataPacket   hciReadPacketBuffer[HCI_READ_PACKET_NUM_MAX];
+
+static volatile uint8_t readPacketListFull=FALSE;
+
+static volatile uint8_t hci_timer_id;
+static volatile uint8_t hci_timeout;
+
+void hci_timeout_callback(void)
+{
+  hci_timeout = 1;
+  return;
+}
+
+void HCI_Init(void)
+{
+  uint8_t index;
+  
+  Disable_SPI_IRQ();
+
+#ifdef POOL_CNT
+  nr_hciReadPktPool = 0;
+#endif // POOL_CNT
+
+  /* Initialize list heads of ready and free hci data packet queues */
+  list_init_head (&hciReadPktPool);
+  list_init_head (&hciReadPktRxQueue);
+  
+  /* Initialize the queue of free hci data packets */
+  for (index = 0; index < HCI_READ_PACKET_NUM_MAX; index++)
+  {
+    list_insert_tail(&hciReadPktPool, (tListNode *)&hciReadPacketBuffer[index]);
+#ifdef POOL_CNT
+    nr_hciReadPktPool++;
+#endif // POOL_CNT
+  }
+
+#ifdef POOL_CNT
+  lowest_nr_hciReadPktPool = nr_hciReadPktPool;
+#endif // POOL_CNT
+
+  Enable_SPI_IRQ();
+}
+
+#define HCI_PCK_TYPE_OFFSET                 0
+#define  EVENT_PARAMETER_TOT_LEN_OFFSET     2
+
+/**
+ * Verify if HCI packet is correctly formatted..
+ *
+ * @param[in] hciReadPacket    The packet that is received from HCI interface.
+ * @return 0 if HCI packet is as expected
+ */
+int HCI_verify(const tHciDataPacket * hciReadPacket)
+{
+  const uint8_t *hci_pckt = hciReadPacket->dataBuff;
+  
+  if(hci_pckt[HCI_PCK_TYPE_OFFSET] != HCI_EVENT_PKT)
+    return 1;  /* Incorrect type. */
+  
+  if(hci_pckt[EVENT_PARAMETER_TOT_LEN_OFFSET] != hciReadPacket->data_len - (1+HCI_EVENT_HDR_SIZE))
+    return 2; /* Wrong length (packet truncated or too long). */
+  
+  return 0;      
+}
+
+void HCI_Process(void)
+{
+  uint8_t data_len;
+  uint8_t buffer[HCI_READ_PACKET_SIZE];
+  tHciDataPacket * hciReadPacket = NULL;
+  
+#ifdef POOL_CNT
+  printf("betzw(%s, %d): nr_hciReadPktPool = %u (lowest = %u)\r\n", __func__, __LINE__, 
+	 nr_hciReadPktPool, lowest_nr_hciReadPktPool);
+#endif // POOL_CNT
+
+  Disable_SPI_IRQ();
+  uint8_t list_empty = list_is_empty(&hciReadPktRxQueue);        
+  /* process any pending events read */
+  while(list_empty == FALSE)
+  {
+    list_remove_head (&hciReadPktRxQueue, (tListNode **)&hciReadPacket);
+    Enable_SPI_IRQ();
+    HCI_Event_CB(hciReadPacket->dataBuff);
+    Disable_SPI_IRQ();
+    list_insert_tail(&hciReadPktPool, (tListNode *)hciReadPacket);
+#ifdef POOL_CNT
+    nr_hciReadPktPool++;
+#endif
+    list_empty = list_is_empty(&hciReadPktRxQueue);
+  }
+  if (readPacketListFull) {
+    while(BlueNRG_DataPresent()) {
+      data_len = BlueNRG_SPI_Read_All(buffer, HCI_READ_PACKET_SIZE);
+      if(data_len > 0)
+        HCI_Event_CB(buffer);
+    }
+    readPacketListFull = FALSE;
+  }
+  
+  Enable_SPI_IRQ();    
+}
+
+BOOL HCI_Queue_Empty(void)
+{
+  return list_is_empty(&hciReadPktRxQueue);
+}
+
+void HCI_Isr(void)
+{
+  tHciDataPacket * hciReadPacket = NULL;
+  uint8_t data_len;
+  
+  Clear_SPI_EXTI_Flag();
+  while(BlueNRG_DataPresent()){        
+    if (list_is_empty (&hciReadPktPool) == FALSE){
+      
+      /* enqueueing a packet for read */
+      list_remove_head (&hciReadPktPool, (tListNode **)&hciReadPacket);
+#ifdef POOL_CNT
+      nr_hciReadPktPool--;
+      if(nr_hciReadPktPool < lowest_nr_hciReadPktPool)
+	      lowest_nr_hciReadPktPool = nr_hciReadPktPool;
+#endif
+
+      data_len = BlueNRG_SPI_Read_All(hciReadPacket->dataBuff, HCI_READ_PACKET_SIZE);
+      if(data_len > 0){                    
+        hciReadPacket->data_len = data_len;
+        if(HCI_verify(hciReadPacket) == 0) {
+          list_insert_tail(&hciReadPktRxQueue, (tListNode *)hciReadPacket);
+	      signalEventsToProcess();
+        } else {
+          list_insert_head(&hciReadPktPool, (tListNode *)hciReadPacket);
+#ifdef POOL_CNT
+	  nr_hciReadPktPool++;
+#endif
+	}
+      }
+      else {
+        // Insert the packet back into the pool.
+        list_insert_head(&hciReadPktPool, (tListNode *)hciReadPacket);
+#ifdef POOL_CNT
+	nr_hciReadPktPool++;
+#endif
+      }
+    }
+    else{
+      // HCI Read Packet Pool is empty, wait for a free packet.
+      signalEventsToProcess();
+      readPacketListFull = TRUE;
+      Clear_SPI_EXTI_Flag();
+      return;
+    }
+    Clear_SPI_EXTI_Flag();
+  }
+}
+
+void hci_write(const void* data1, const void* data2, uint8_t n_bytes1, uint8_t n_bytes2){
+#if  HCI_LOG_ON
+  PRINTF("HCI <- ");
+  for(int i=0; i < n_bytes1; i++)
+    PRINTF("%02X ", *((uint8_t*)data1 + i));
+  for(int i=0; i < n_bytes2; i++)
+    PRINTF("%02X ", *((uint8_t*)data2 + i));
+  PRINTF("\n");    
+#endif
+  
+  Hal_Write_Serial(data1, data2, n_bytes1, n_bytes2);
+}
+
+void hci_send_cmd(uint16_t ogf, uint16_t ocf, uint8_t plen, void *param)
+{
+  hci_command_hdr hc;
+  
+  hc.opcode = htobs(cmd_opcode_pack(ogf, ocf));
+  hc.plen= plen;
+  
+  uint8_t header[HCI_HDR_SIZE + HCI_COMMAND_HDR_SIZE];
+  header[0] = HCI_COMMAND_PKT;
+  Osal_MemCpy(header+1, &hc, sizeof(hc));
+  
+  hci_write(header, param, sizeof(header), plen);
+}
+
+static void move_list(tListNode * dest_list, tListNode * src_list)
+{
+  pListNode tmp_node;
+  
+  while(!list_is_empty(src_list)){
+    list_remove_head(src_list, &tmp_node);
+    list_insert_tail(dest_list, tmp_node);
+  }
+}
+
+int hci_send_req(struct hci_request *r, BOOL async)
+{
+  uint8_t *ptr;
+  uint16_t opcode = htobs(cmd_opcode_pack(r->ogf, r->ocf));
+  hci_event_pckt *event_pckt;
+  hci_uart_pckt *hci_hdr;
+  int to = DEFAULT_TIMEOUT;
+  struct timer t;
+  tHciDataPacket * hciReadPacket = NULL;
+  tListNode hciTempQueue;
+  
+  list_init_head(&hciTempQueue);
+  
+  hci_send_cmd(r->ogf, r->ocf, r->clen, r->cparam);
+  
+  if(async){
+    goto done;
+  }
+  
+  /* Minimum timeout is 1. */
+  if(to == 0)
+    to = 1;
+  
+  Timer_Set(&t, to);
+  
+  while(1) {
+    evt_cmd_complete *cc;
+    evt_cmd_status *cs;
+    evt_le_meta_event *me;
+    int len;
+      
+#if ENABLE_MICRO_SLEEP    
+    while(1){
+      ATOMIC_SECTION_BEGIN();
+      if(Timer_Expired(&t)){
+        ATOMIC_SECTION_END();
+        goto failed;
+      }
+      if(!HCI_Queue_Empty()){
+        ATOMIC_SECTION_END();
+        break;
+      }
+      Enter_Sleep_Mode();
+      ATOMIC_SECTION_END();
+    }
+#else
+    while(1){
+      if(Timer_Expired(&t)){
+        goto failed;
+      }
+      if(!HCI_Queue_Empty()){
+        break;
+      }
+    }
+#endif
+    
+    /* Extract packet from HCI event queue. */
+    Disable_SPI_IRQ();
+    list_remove_head(&hciReadPktRxQueue, (tListNode **)&hciReadPacket);    
+    
+    hci_hdr = (void *)hciReadPacket->dataBuff;
+    if(hci_hdr->type != HCI_EVENT_PKT){
+      list_insert_tail(&hciTempQueue, (tListNode *)hciReadPacket); // See comment below
+      Enable_SPI_IRQ();
+      continue;
+    }
+    
+    event_pckt = (void *) (hci_hdr->data);
+    
+    ptr = hciReadPacket->dataBuff + (1 + HCI_EVENT_HDR_SIZE);
+    len = hciReadPacket->data_len - (1 + HCI_EVENT_HDR_SIZE);
+    
+    switch (event_pckt->evt) {
+      
+    case EVT_CMD_STATUS:
+      cs = (void *) ptr;
+      
+      if (cs->opcode != opcode)
+        goto failed;
+      
+      if (r->event != EVT_CMD_STATUS) {
+        if (cs->status) {
+          goto failed;
+        }
+        break;
+      }
+      
+      r->rlen = MIN(len, r->rlen);
+      Osal_MemCpy(r->rparam, ptr, r->rlen);
+      goto done;
+      
+    case EVT_CMD_COMPLETE:
+      cc = (void *) ptr;
+      
+      if (cc->opcode != opcode)
+        goto failed;
+      
+      ptr += EVT_CMD_COMPLETE_SIZE;
+      len -= EVT_CMD_COMPLETE_SIZE;
+      
+      r->rlen = MIN(len, r->rlen);
+      Osal_MemCpy(r->rparam, ptr, r->rlen);
+      goto done;
+      
+    case EVT_LE_META_EVENT:
+      me = (void *) ptr;
+      
+      if (me->subevent != r->event)
+        break;
+      
+      len -= 1;
+      r->rlen = MIN(len, r->rlen);
+      Osal_MemCpy(r->rparam, me->data, r->rlen);
+      goto done;
+      
+    case EVT_HARDWARE_ERROR:            
+      goto failed;
+      
+    default:      
+      break;
+    }
+    
+    /* In the meantime there could be other events from the controller.
+       In this case, insert the packet in a different queue. These packets will be
+       inserted back in the main queue just before exiting from send_req().
+    */
+    if(hciReadPacket != NULL) {
+	    list_insert_tail(&hciTempQueue, (tListNode *)hciReadPacket);
+	    hciReadPacket = NULL;
+    }
+    /* Be sure there is at list one packet in the pool to process the expected event. */
+    if(list_is_empty(&hciReadPktPool)){ // betzw: this is a kind of steeling (should never happen?!?)
+      pListNode tmp_node;      
+      list_remove_head(&hciReadPktRxQueue, &tmp_node);
+      list_insert_tail(&hciReadPktPool, tmp_node);     
+#ifdef POOL_CNT
+      nr_hciReadPktPool++;
+#endif
+    }
+    
+    Enable_SPI_IRQ();
+    
+  }
+  
+failed: 
+  // Insert the packet back into the pool.
+  if(hciReadPacket != NULL) {
+	  list_insert_head(&hciReadPktPool, (tListNode *)hciReadPacket); 
+#ifdef POOL_CNT
+	  nr_hciReadPktPool++;
+#endif
+	  hciReadPacket = NULL;
+  }
+  move_list(&hciReadPktRxQueue, &hciTempQueue);  
+  Enable_SPI_IRQ();
+  return -1;
+  
+done:
+  // Insert the packet back into the pool.
+  if(hciReadPacket != NULL) {
+	  list_insert_head(&hciReadPktPool, (tListNode *)hciReadPacket); 
+#ifdef POOL_CNT
+	  nr_hciReadPktPool++;
+#endif
+	  hciReadPacket = NULL;
+  }
+  move_list(&hciReadPktRxQueue, &hciTempQueue);
+  
+  Enable_SPI_IRQ();
+  return 0;
+}
+
+int hci_reset()
+{
+  struct hci_request rq;
+  uint8_t status;
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_HOST_CTL;
+  rq.ocf = OCF_RESET;
+  rq.rparam = &status;
+  rq.rlen = 1;
+  
+  if (hci_send_req(&rq, FALSE) < 0)
+    return BLE_STATUS_TIMEOUT;
+  
+  return status;  
+}
+
+int hci_disconnect(uint16_t	handle, uint8_t reason)
+{
+  struct hci_request rq;
+  disconnect_cp cp;
+  uint8_t status;
+  
+  cp.handle = handle;
+  cp.reason = reason;
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LINK_CTL;
+  rq.ocf = OCF_DISCONNECT;
+  rq.cparam = &cp;
+  rq.clen = DISCONNECT_CP_SIZE;
+  rq.event = EVT_CMD_STATUS;
+  rq.rparam = &status;
+  rq.rlen = 1;
+  
+  if (hci_send_req(&rq, FALSE) < 0)
+    return BLE_STATUS_TIMEOUT;
+  
+  return status;  
+}
+
+int hci_le_read_local_version(uint8_t *hci_version, uint16_t *hci_revision, uint8_t *lmp_pal_version, 
+                              uint16_t *manufacturer_name, uint16_t *lmp_pal_subversion)
+{
+  struct hci_request rq;
+  read_local_version_rp resp;
+  
+  Osal_MemSet(&resp, 0, sizeof(resp));
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_INFO_PARAM;
+  rq.ocf = OCF_READ_LOCAL_VERSION;
+  rq.cparam = NULL;
+  rq.clen = 0;
+  rq.rparam = &resp;
+  rq.rlen = READ_LOCAL_VERSION_RP_SIZE;
+  
+  if (hci_send_req(&rq, FALSE) < 0)
+    return BLE_STATUS_TIMEOUT;
+  
+  if (resp.status) {
+    return resp.status;
+  }
+  
+  
+  *hci_version = resp.hci_version;
+  *hci_revision =  btohs(resp.hci_revision);
+  *lmp_pal_version = resp.lmp_pal_version;
+  *manufacturer_name = btohs(resp.manufacturer_name);
+  *lmp_pal_subversion = btohs(resp.lmp_pal_subversion);
+  
+  return 0;
+}
+
+int hci_le_read_buffer_size(uint16_t *pkt_len, uint8_t *max_pkt)
+{
+  struct hci_request rq;
+  le_read_buffer_size_rp resp;
+  
+  Osal_MemSet(&resp, 0, sizeof(resp));
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LE_CTL;
+  rq.ocf = OCF_LE_READ_BUFFER_SIZE;
+  rq.cparam = NULL;
+  rq.clen = 0;
+  rq.rparam = &resp;
+  rq.rlen = LE_READ_BUFFER_SIZE_RP_SIZE;
+  
+  if (hci_send_req(&rq, FALSE) < 0)
+    return BLE_STATUS_TIMEOUT;
+  
+  if (resp.status) {
+    return resp.status;
+  }
+  
+  *pkt_len = resp.pkt_len;
+  *max_pkt = resp.max_pkt;
+  
+  return 0;
+}
+
+int hci_le_set_advertising_parameters(uint16_t min_interval, uint16_t max_interval, uint8_t advtype,
+                                      uint8_t own_bdaddr_type, uint8_t direct_bdaddr_type, const tBDAddr direct_bdaddr, uint8_t chan_map,
+                                      uint8_t filter)
+{
+  struct hci_request rq;
+  le_set_adv_parameters_cp adv_cp;
+  uint8_t status;
+  
+  Osal_MemSet(&adv_cp, 0, sizeof(adv_cp));
+  adv_cp.min_interval = min_interval;
+  adv_cp.max_interval = max_interval;
+  adv_cp.advtype = advtype;
+  adv_cp.own_bdaddr_type = own_bdaddr_type;
+  adv_cp.direct_bdaddr_type = direct_bdaddr_type;
+  if(direct_bdaddr != NULL)
+    Osal_MemCpy(adv_cp.direct_bdaddr,direct_bdaddr,sizeof(adv_cp.direct_bdaddr));
+  adv_cp.chan_map = chan_map;
+  adv_cp.filter = filter;
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LE_CTL;
+  rq.ocf = OCF_LE_SET_ADV_PARAMETERS;
+  rq.cparam = &adv_cp;
+  rq.clen = LE_SET_ADV_PARAMETERS_CP_SIZE;
+  rq.rparam = &status;
+  rq.rlen = 1;
+  
+  if (hci_send_req(&rq, FALSE) < 0)
+    return BLE_STATUS_TIMEOUT;
+  
+  return status;
+}
+
+int hci_le_set_advertising_data(uint8_t length, const uint8_t data[])
+{
+  struct hci_request rq;
+  le_set_adv_data_cp adv_cp;
+  uint8_t status;
+  
+  Osal_MemSet(&adv_cp, 0, sizeof(adv_cp));
+  adv_cp.length = length;
+  Osal_MemCpy(adv_cp.data, data, MIN(31,length));
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LE_CTL;
+  rq.ocf = OCF_LE_SET_ADV_DATA;
+  rq.cparam = &adv_cp;
+  rq.clen = LE_SET_ADV_DATA_CP_SIZE;
+  rq.rparam = &status;
+  rq.rlen = 1;
+  
+  if (hci_send_req(&rq, FALSE) < 0)
+    return BLE_STATUS_TIMEOUT;
+  
+  return status;
+}
+
+int hci_le_set_advertise_enable(uint8_t enable)
+{
+  struct hci_request rq;
+  le_set_advertise_enable_cp adv_cp;
+  uint8_t status;
+  
+  Osal_MemSet(&adv_cp, 0, sizeof(adv_cp));
+  adv_cp.enable = enable?1:0;
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LE_CTL;
+  rq.ocf = OCF_LE_SET_ADVERTISE_ENABLE;
+  rq.cparam = &adv_cp;
+  rq.clen = LE_SET_ADVERTISE_ENABLE_CP_SIZE;
+  rq.rparam = &status;
+  rq.rlen = 1;
+  
+  if (hci_send_req(&rq, FALSE) < 0)
+    return BLE_STATUS_TIMEOUT;
+  
+  return status;
+}
+
+int hci_le_set_scan_parameters(uint8_t	type, uint16_t interval,
+                               uint16_t window, uint8_t own_bdaddr_type,
+                               uint8_t	filter)
+{
+  struct hci_request rq;
+  le_set_scan_parameters_cp scan_cp;
+  uint8_t status;
+  
+  Osal_MemSet(&scan_cp, 0, sizeof(scan_cp));
+  scan_cp.type = type;
+  scan_cp.interval = interval;
+  scan_cp.window = window;
+  scan_cp.own_bdaddr_type = own_bdaddr_type;
+  scan_cp.filter = filter;
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LE_CTL;
+  rq.ocf = OCF_LE_SET_SCAN_PARAMETERS;
+  rq.cparam = &scan_cp;
+  rq.clen = LE_SET_SCAN_PARAMETERS_CP_SIZE;
+  rq.rparam = &status;
+  rq.rlen = 1;
+  
+  if (hci_send_req(&rq, FALSE) < 0)
+    return BLE_STATUS_TIMEOUT;
+  
+  return status;
+}
+
+int hci_le_set_scan_enable(uint8_t enable, uint8_t filter_dup)
+{
+  struct hci_request rq;
+  le_set_scan_enable_cp scan_cp;
+  uint8_t status;
+  
+  Osal_MemSet(&scan_cp, 0, sizeof(scan_cp));
+  scan_cp.enable = enable?1:0;
+  scan_cp.filter_dup = filter_dup;
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LE_CTL;
+  rq.ocf = OCF_LE_SET_SCAN_ENABLE;
+  rq.cparam = &scan_cp;
+  rq.clen = LE_SET_SCAN_ENABLE_CP_SIZE;
+  rq.rparam = &status;
+  rq.rlen = 1;
+  
+  if (hci_send_req(&rq, FALSE) < 0)
+    return BLE_STATUS_TIMEOUT;
+  
+  return status;
+}
+
+int hci_le_rand(uint8_t random_number[8])
+{
+  struct hci_request rq;
+  le_rand_rp resp;
+  
+  Osal_MemSet(&resp, 0, sizeof(resp));
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LE_CTL;
+  rq.ocf = OCF_LE_RAND;
+  rq.cparam = NULL;
+  rq.clen = 0;
+  rq.rparam = &resp;
+  rq.rlen = LE_RAND_RP_SIZE;
+  
+  if (hci_send_req(&rq, FALSE) < 0)
+    return BLE_STATUS_TIMEOUT;
+  
+  if (resp.status) {
+    return resp.status;
+  }
+  
+  Osal_MemCpy(random_number, resp.random, 8);
+  
+  return 0;
+}
+
+int hci_le_set_scan_resp_data(uint8_t length, const uint8_t data[])
+{
+  struct hci_request rq;
+  le_set_scan_response_data_cp scan_resp_cp;
+  uint8_t status;
+  
+  Osal_MemSet(&scan_resp_cp, 0, sizeof(scan_resp_cp));
+  scan_resp_cp.length = length;
+  Osal_MemCpy(scan_resp_cp.data, data, MIN(31,length));
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LE_CTL;
+  rq.ocf = OCF_LE_SET_SCAN_RESPONSE_DATA;
+  rq.cparam = &scan_resp_cp;
+  rq.clen = LE_SET_SCAN_RESPONSE_DATA_CP_SIZE;
+  rq.rparam = &status;
+  rq.rlen = 1;
+  
+  if (hci_send_req(&rq, FALSE) < 0)
+    return BLE_STATUS_TIMEOUT;
+  
+  return status;
+}
+
+int hci_le_read_advertising_channel_tx_power(int8_t *tx_power_level)
+{
+  struct hci_request rq;
+  le_read_adv_channel_tx_power_rp resp;
+  
+  Osal_MemSet(&resp, 0, sizeof(resp));
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LE_CTL;
+  rq.ocf = OCF_LE_READ_ADV_CHANNEL_TX_POWER;
+  rq.cparam = NULL;
+  rq.clen = 0;
+  rq.rparam = &resp;
+  rq.rlen = LE_RAND_RP_SIZE;
+  
+  if (hci_send_req(&rq, FALSE) < 0)
+    return BLE_STATUS_TIMEOUT;
+  
+  if (resp.status) {
+    return resp.status;
+  }
+  
+  *tx_power_level = resp.level;
+  
+  return 0;
+}
+
+int hci_le_set_random_address(tBDAddr bdaddr)
+{
+  struct hci_request rq;
+  le_set_random_address_cp set_rand_addr_cp;
+  uint8_t status;
+  
+  Osal_MemSet(&set_rand_addr_cp, 0, sizeof(set_rand_addr_cp));
+  Osal_MemCpy(set_rand_addr_cp.bdaddr, bdaddr, sizeof(tBDAddr));
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LE_CTL;
+  rq.ocf = OCF_LE_SET_RANDOM_ADDRESS;
+  rq.cparam = &set_rand_addr_cp;
+  rq.clen = LE_SET_RANDOM_ADDRESS_CP_SIZE;
+  rq.rparam = &status;
+  rq.rlen = 1;
+  
+  if (hci_send_req(&rq, FALSE) < 0)
+    return BLE_STATUS_TIMEOUT;
+  
+  return status;
+}
+
+int hci_read_bd_addr(tBDAddr bdaddr)
+{
+  struct hci_request rq;
+  read_bd_addr_rp resp;
+  
+  Osal_MemSet(&resp, 0, sizeof(resp));
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_INFO_PARAM;
+  rq.ocf = OCF_READ_BD_ADDR;
+  rq.cparam = NULL;
+  rq.clen = 0;
+  rq.rparam = &resp;
+  rq.rlen = READ_BD_ADDR_RP_SIZE;
+  
+  if (hci_send_req(&rq, FALSE) < 0)
+    return BLE_STATUS_TIMEOUT;
+  
+  if (resp.status) {
+    return resp.status;
+  }
+  Osal_MemCpy(bdaddr, resp.bdaddr, sizeof(tBDAddr));
+  
+  return 0;
+}
+
+int hci_le_create_connection(uint16_t interval,	uint16_t window, uint8_t initiator_filter, uint8_t peer_bdaddr_type,
+                             const tBDAddr peer_bdaddr,	uint8_t	own_bdaddr_type, uint16_t min_interval,	uint16_t max_interval,
+                             uint16_t latency,	uint16_t supervision_timeout, uint16_t min_ce_length, uint16_t max_ce_length)
+{
+  struct hci_request rq;
+  le_create_connection_cp create_cp;
+  uint8_t status;
+  
+  Osal_MemSet(&create_cp, 0, sizeof(create_cp));
+  create_cp.interval = interval;
+  create_cp.window =  window;
+  create_cp.initiator_filter = initiator_filter;
+  create_cp.peer_bdaddr_type = peer_bdaddr_type;
+  Osal_MemCpy(create_cp.peer_bdaddr, peer_bdaddr, sizeof(tBDAddr));
+  create_cp.own_bdaddr_type = own_bdaddr_type;
+  create_cp.min_interval=min_interval;
+  create_cp.max_interval=max_interval;
+  create_cp.latency = latency;
+  create_cp.supervision_timeout=supervision_timeout;
+  create_cp.min_ce_length=min_ce_length;
+  create_cp.max_ce_length=max_ce_length;
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LE_CTL;
+  rq.ocf = OCF_LE_CREATE_CONN;
+  rq.cparam = &create_cp;
+  rq.clen = LE_CREATE_CONN_CP_SIZE;
+  rq.event = EVT_CMD_STATUS;
+  rq.rparam = &status;
+  rq.rlen = 1;
+  
+  if (hci_send_req(&rq, FALSE) < 0)
+    return BLE_STATUS_TIMEOUT;
+  
+  return status;
+}
+
+int hci_le_create_connection_cancel(void)
+{
+  struct hci_request rq;
+  uint8_t status;
+
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LE_CTL;
+  rq.ocf = OCF_LE_CREATE_CONN_CANCEL;
+  rq.rparam = &status;
+  rq.rlen = 1;
+
+  if (hci_send_req(&rq, FALSE) < 0)
+    return BLE_STATUS_TIMEOUT;
+
+  return status;
+}
+
+int hci_le_encrypt(uint8_t key[16], uint8_t plaintextData[16], uint8_t encryptedData[16])
+{
+  struct hci_request rq;
+  le_encrypt_cp params;
+  le_encrypt_rp resp;
+  
+  Osal_MemSet(&resp, 0, sizeof(resp));
+  
+  Osal_MemCpy(params.key, key, 16);
+  Osal_MemCpy(params.plaintext, plaintextData, 16);
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LE_CTL;
+  rq.ocf = OCF_LE_ENCRYPT;
+  rq.cparam = &params;
+  rq.clen = LE_ENCRYPT_CP_SIZE;
+  rq.rparam = &resp;
+  rq.rlen = LE_ENCRYPT_RP_SIZE;
+  
+  if (hci_send_req(&rq, FALSE) < 0){
+    return BLE_STATUS_TIMEOUT;
+  }
+  
+  if (resp.status) {
+    return resp.status;
+  }
+  
+  Osal_MemCpy(encryptedData, resp.encdata, 16);
+  
+  return 0;
+}
+
+int hci_le_ltk_request_reply(uint8_t key[16])
+{
+  struct hci_request rq;
+  le_ltk_reply_cp params;
+  le_ltk_reply_rp resp;
+  
+  Osal_MemSet(&resp, 0, sizeof(resp));
+  
+  params.handle = 1;
+  Osal_MemCpy(params.key, key, 16);
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LE_CTL;
+  rq.ocf = OCF_LE_LTK_REPLY;
+  rq.cparam = &params;
+  rq.clen = LE_LTK_REPLY_CP_SIZE;
+  rq.rparam = &resp;
+  rq.rlen = LE_LTK_REPLY_RP_SIZE;
+  
+  if (hci_send_req(&rq, FALSE) < 0)
+    return BLE_STATUS_TIMEOUT;
+  
+  return resp.status;
+}
+
+int hci_le_ltk_request_neg_reply()
+{
+  struct hci_request rq;
+  le_ltk_neg_reply_cp params;
+  le_ltk_neg_reply_rp resp;
+  
+  Osal_MemSet(&resp, 0, sizeof(resp));
+  
+  params.handle = 1;
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LE_CTL;
+  rq.ocf = OCF_LE_LTK_NEG_REPLY;
+  rq.cparam = &params;
+  rq.clen = LE_LTK_NEG_REPLY_CP_SIZE;
+  rq.rparam = &resp;
+  rq.rlen = LE_LTK_NEG_REPLY_RP_SIZE;
+  
+  if (hci_send_req(&rq, FALSE) < 0)
+    return BLE_STATUS_TIMEOUT;
+  
+  return resp.status;
+}
+
+int hci_le_read_white_list_size(uint8_t *size)
+{
+  struct hci_request rq;
+  le_read_white_list_size_rp resp;
+  
+  Osal_MemSet(&resp, 0, sizeof(resp));
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LE_CTL;
+  rq.ocf = OCF_LE_READ_WHITE_LIST_SIZE;
+  rq.rparam = &resp;
+  rq.rlen = LE_READ_WHITE_LIST_SIZE_RP_SIZE;
+  
+  if (hci_send_req(&rq, FALSE) < 0){
+    return BLE_STATUS_TIMEOUT;
+  }
+  
+  if (resp.status) {
+    return resp.status;
+  }
+  
+  *size = resp.size;
+  
+  return 0;
+}
+
+int hci_le_clear_white_list()
+{
+  struct hci_request rq;
+  uint8_t status;
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LE_CTL;
+  rq.ocf = OCF_LE_CLEAR_WHITE_LIST;
+  rq.rparam = &status;
+  rq.rlen = 1;
+  
+  if (hci_send_req(&rq, FALSE) < 0){
+    return BLE_STATUS_TIMEOUT;
+  }
+  
+  return status;
+}
+
+int hci_le_add_device_to_white_list(uint8_t	bdaddr_type, tBDAddr bdaddr)
+{
+  struct hci_request rq;
+  le_add_device_to_white_list_cp params;
+  uint8_t status;
+  
+  params.bdaddr_type = bdaddr_type;
+  Osal_MemCpy(params.bdaddr, bdaddr, 6);
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LE_CTL;
+  rq.ocf = OCF_LE_ADD_DEVICE_TO_WHITE_LIST;
+  rq.cparam = &params;
+  rq.clen = LE_ADD_DEVICE_TO_WHITE_LIST_CP_SIZE;
+  rq.rparam = &status;
+  rq.rlen = 1;
+  
+  if (hci_send_req(&rq, FALSE) < 0){
+    return BLE_STATUS_TIMEOUT;
+  }
+  
+  return status;
+}
+
+int hci_le_remove_device_from_white_list(uint8_t bdaddr_type, tBDAddr bdaddr)
+{
+  struct hci_request rq;
+  le_remove_device_from_white_list_cp params;
+  uint8_t status;
+  
+  params.bdaddr_type = bdaddr_type;
+  Osal_MemCpy(params.bdaddr, bdaddr, 6);
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LE_CTL;
+  rq.ocf = OCF_LE_REMOVE_DEVICE_FROM_WHITE_LIST;
+  rq.cparam = &params;
+  rq.clen = LE_REMOVE_DEVICE_FROM_WHITE_LIST_CP_SIZE;
+  rq.rparam = &status;
+  rq.rlen = 1;
+  
+  if (hci_send_req(&rq, FALSE) < 0){
+    return BLE_STATUS_TIMEOUT;
+  }
+  
+  return status;
+}
+
+int hci_read_transmit_power_level(uint16_t *conn_handle, uint8_t type, int8_t * tx_level)
+{
+  struct hci_request rq;
+  read_transmit_power_level_cp params;
+  read_transmit_power_level_rp resp;
+  
+  Osal_MemSet(&resp, 0, sizeof(resp));
+  
+  params.handle = *conn_handle;
+  params.type = type;
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_HOST_CTL;
+  rq.ocf = OCF_READ_TRANSMIT_POWER_LEVEL;
+  rq.cparam = &params;
+  rq.clen = READ_TRANSMIT_POWER_LEVEL_CP_SIZE;
+  rq.rparam = &resp;
+  rq.rlen = READ_TRANSMIT_POWER_LEVEL_RP_SIZE;
+  
+  if (hci_send_req(&rq, FALSE) < 0){
+    return BLE_STATUS_TIMEOUT;
+  }
+  
+  if (resp.status) {
+    return resp.status;
+  }
+  
+  *conn_handle = resp.handle;
+  *tx_level = resp.level;
+  
+  return 0;
+}
+
+int hci_read_rssi(uint16_t *conn_handle, int8_t * rssi)
+{
+  struct hci_request rq;
+  read_rssi_cp params;
+  read_rssi_rp resp;
+  
+  Osal_MemSet(&resp, 0, sizeof(resp));
+  
+  params.handle = *conn_handle;
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_STATUS_PARAM;
+  rq.ocf = OCF_READ_RSSI;
+  rq.cparam = &params;
+  rq.clen = READ_RSSI_CP_SIZE;
+  rq.rparam = &resp;
+  rq.rlen = READ_RSSI_RP_SIZE;
+  
+  if (hci_send_req(&rq, FALSE) < 0){
+    return BLE_STATUS_TIMEOUT;
+  }
+  
+  if (resp.status) {
+    return resp.status;
+  }
+  
+  *conn_handle = resp.handle;
+  *rssi = resp.rssi;
+  
+  return 0;
+}
+
+int hci_le_read_local_supported_features(uint8_t *features)
+{
+  struct hci_request rq;
+  le_read_local_supported_features_rp resp;
+  
+  Osal_MemSet(&resp, 0, sizeof(resp));
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LE_CTL;
+  rq.ocf = OCF_LE_READ_LOCAL_SUPPORTED_FEATURES;
+  rq.rparam = &resp;
+  rq.rlen = LE_READ_LOCAL_SUPPORTED_FEATURES_RP_SIZE;
+  
+  if (hci_send_req(&rq, FALSE) < 0){
+    return BLE_STATUS_TIMEOUT;
+  }
+  
+  if (resp.status) {
+    return resp.status;
+  }
+  
+  Osal_MemCpy(features, resp.features, sizeof(resp.features));
+  
+  return 0;
+}
+
+int hci_le_read_channel_map(uint16_t conn_handle, uint8_t ch_map[5])
+{
+  struct hci_request rq;
+  le_read_channel_map_cp params;
+  le_read_channel_map_rp resp;
+  
+  Osal_MemSet(&resp, 0, sizeof(resp));
+  
+  params.handle = conn_handle;
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LE_CTL;
+  rq.ocf = OCF_LE_READ_CHANNEL_MAP;
+  rq.cparam = &params;
+  rq.clen = LE_READ_CHANNEL_MAP_CP_SIZE;
+  rq.rparam = &resp;
+  rq.rlen = LE_READ_CHANNEL_MAP_RP_SIZE;
+  
+  if (hci_send_req(&rq, FALSE) < 0){
+    return BLE_STATUS_TIMEOUT;
+  }
+  
+  if (resp.status) {
+    return resp.status;
+  }
+  
+  Osal_MemCpy(ch_map, resp.map, 5);
+  
+  return 0;
+}
+
+int hci_le_read_supported_states(uint8_t states[8])
+{
+  struct hci_request rq;
+  le_read_supported_states_rp resp;
+  
+  Osal_MemSet(&resp, 0, sizeof(resp));
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LE_CTL;
+  rq.ocf = OCF_LE_READ_SUPPORTED_STATES;
+  rq.rparam = &resp;
+  rq.rlen = LE_READ_SUPPORTED_STATES_RP_SIZE;
+  
+  if (hci_send_req(&rq, FALSE) < 0){
+    return BLE_STATUS_TIMEOUT;
+  }
+  
+  if (resp.status) {
+    return resp.status;
+  }
+  
+  Osal_MemCpy(states, resp.states, 8);
+  
+  return 0;
+}
+
+int hci_le_receiver_test(uint8_t frequency)
+{
+  struct hci_request rq;
+  le_receiver_test_cp params;
+  uint8_t status;
+  
+  params.frequency = frequency;
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LE_CTL;
+  rq.ocf = OCF_LE_RECEIVER_TEST;
+  rq.cparam = &params;
+  rq.clen = LE_RECEIVER_TEST_CP_SIZE;
+  rq.rparam = &status;
+  rq.rlen = 1;
+  
+  if (hci_send_req(&rq, FALSE) < 0){
+    return BLE_STATUS_TIMEOUT;
+  }
+  
+  return status;
+}
+
+int hci_le_transmitter_test(uint8_t frequency, uint8_t length, uint8_t payload)
+{
+  struct hci_request rq;
+  le_transmitter_test_cp params;
+  uint8_t status;
+  
+  params.frequency = frequency;
+  params.length = length;
+  params.payload = payload;
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LE_CTL;
+  rq.ocf = OCF_LE_TRANSMITTER_TEST;
+  rq.cparam = &params;
+  rq.clen = LE_TRANSMITTER_TEST_CP_SIZE;
+  rq.rparam = &status;
+  rq.rlen = 1;
+  
+  if (hci_send_req(&rq, FALSE) < 0){
+    return BLE_STATUS_TIMEOUT;
+  }
+  
+  return status;
+}
+
+int hci_le_test_end(uint16_t *num_pkts)
+{
+  struct hci_request rq;
+  le_test_end_rp resp;
+  
+  Osal_MemSet(&resp, 0, sizeof(resp));
+  
+  Osal_MemSet(&rq, 0, sizeof(rq));
+  rq.ogf = OGF_LE_CTL;
+  rq.ocf = OCF_LE_TEST_END;
+  rq.rparam = &resp;
+  rq.rlen = LE_TEST_END_RP_SIZE;
+  
+  if (hci_send_req(&rq, FALSE) < 0){
+    return BLE_STATUS_TIMEOUT;
+  }
+  
+  if (resp.status) {
+    return resp.status;
+  }
+  
+  *num_pkts = resp.num_pkts;
+  
+  return 0;
+}