/* 
 * File:   central.c
 * Author: Red Bear Labs
 * modified by Brandon and Nick
 * Comments: Sets up opcodes relevant to device connection
 *              to be sent out to HCI Bluetooth module
 * 
 * Revision history: Last Updated 12/13/15
 *                  Changed to C file and updated dependecies
 *                 
 */


//#define _ALLOW_KEYWORD_MACROS
#include "typedef.h"
#include "ble_hci.h"
#include <string.h>

static uint8 gapCentralRoleTaskId = 0;

static uint8  gapCentralRoleIRK[KEYLEN] = {0};
static uint8  gapCentralRoleSRK[KEYLEN] = {0};
static uint32 gapCentralRoleSignCounter = 1;
static uint8  gapCentralRoleBdAddr[B_ADDR_LEN];
static uint8  gapCentralRoleMaxScanRes = 5;

bStatus_t GAPCentralRole_StartDevice()
{
  return GAP_DeviceInit( gapCentralRoleTaskId, GAP_PROFILE_CENTRAL,
                         gapCentralRoleMaxScanRes, gapCentralRoleIRK,
                         gapCentralRoleSRK, &gapCentralRoleSignCounter );
}

bStatus_t GAPCentralRole_EstablishLink( uint8 highDutyCycle, uint8 whiteList,
                                        uint8 addrTypePeer, uint8 *peerAddr )
{
  gapEstLinkReq_t params;

  params.taskID = gapCentralRoleTaskId;
  params.highDutyCycle = highDutyCycle;
  params.whiteList = whiteList;
  params.addrTypePeer = addrTypePeer;
  memcpy( params.peerAddr, peerAddr, B_ADDR_LEN );

  return GAP_EstablishLinkReq( &params );
}

bStatus_t GAPCentralRole_StartDiscovery( uint8 mode, uint8 activeScan, uint8 whiteList )
{
  gapDevDiscReq_t params;

  params.taskID = gapCentralRoleTaskId;
  params.mode = mode;
  params.activeScan = activeScan;
  params.whiteList = whiteList;

  return GAP_DeviceDiscoveryRequest( &params );
}