Diff: BLE_BlueNRG/BlueNRGGap.cpp

Revision:

2:b5166e24c7a6

Parent:

0:3d641e170a74

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BLE_BlueNRG/BlueNRGGap.cpp	Tue May 19 17:46:51 2015 +0000
@@ -0,0 +1,530 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "BlueNRGDevice.h"
+#include "mbed.h"
+#include "Payload.h"
+#include "Utils.h"
+
+//Local Variables
+const char *local_name = NULL;
+uint8_t local_name_length = 0;
+const uint8_t *scan_response_payload = NULL;
+uint8_t scan_rsp_length = 0;
+uint8_t servUuidlength = 0;
+uint8_t* servUuidData = NULL;
+
+uint32_t advtInterval = 0;
+
+/**************************************************************************/
+/*!
+    @brief  Sets the advertising parameters and payload for the device. 
+            Note: Some data types give error when their adv data is updated using aci_gap_update_adv_data() API
+
+    @param[in]  params
+                Basic advertising details, including the advertising
+                delay, timeout and how the device should be advertised
+    @params[in] advData
+                The primary advertising data payload
+    @params[in] scanResponse
+                The optional Scan Response payload if the advertising
+                type is set to \ref GapAdvertisingParams::ADV_SCANNABLE_UNDIRECTED
+                in \ref GapAdveritinngParams
+
+    @returns    \ref ble_error_t
+
+    @retval     BLE_ERROR_NONE
+                Everything executed properly
+
+    @retval     BLE_ERROR_BUFFER_OVERFLOW
+                The proposed action would cause a buffer overflow.  All
+                advertising payloads must be <= 31 bytes, for example.
+
+    @retval     BLE_ERROR_NOT_IMPLEMENTED
+                A feature was requested that is not yet supported in the
+                nRF51 firmware or hardware.
+
+    @retval     BLE_ERROR_PARAM_OUT_OF_RANGE
+                One of the proposed values is outside the valid range.
+
+    @section EXAMPLE
+
+    @code
+
+    @endcode
+*/
+/**************************************************************************/
+ble_error_t BlueNRGGap::setAdvertisingData(const GapAdvertisingData &advData, const GapAdvertisingData &scanResponse)
+{ 
+    DEBUG("BlueNRGGap::setAdvertisingData\n\r");
+    /* Make sure we don't exceed the advertising payload length */
+    if (advData.getPayloadLen() > GAP_ADVERTISING_DATA_MAX_PAYLOAD) {
+        return BLE_ERROR_BUFFER_OVERFLOW;
+    }
+
+    /* Make sure we have a payload! */
+    if (advData.getPayloadLen() <= 0) {
+        return BLE_ERROR_PARAM_OUT_OF_RANGE;
+    } else { 
+        PayloadPtr loadPtr(advData.getPayload(), advData.getPayloadLen());        
+        for(uint8_t index=0; index<loadPtr.getPayloadUnitCount(); index++) {                  
+            PayloadUnit unit = loadPtr.getUnitAtIndex(index);
+
+            DEBUG("adData[%d].length=%d\n\r", index,(uint8_t)(*loadPtr.getUnitAtIndex(index).getLenPtr()));
+            DEBUG("adData[%d].AdType=0x%x\n\r", index,(uint8_t)(*loadPtr.getUnitAtIndex(index).getAdTypePtr()));      
+      
+        #if 0                
+
+            int err = aci_gap_update_adv_data(*loadPtr.getUnitAtIndex(index).getLenPtr(), loadPtr.getUnitAtIndex(index).getAdTypePtr());            
+            if(BLE_STATUS_SUCCESS!=err) {
+                DEBUG("error occurred while adding adv data\n\r");
+                return BLE_ERROR_PARAM_OUT_OF_RANGE;  // no other suitable error code is available
+                DEBUG("error occurred while adding adv data for Adv type 0x%x, errCode = 0x%x\n", *loadPtr.getUnitAtIndex(index).getAdTypePtr(), err);
+                //return BLE_ERROR_PARAM_OUT_OF_RANGE;  // no other suitable error code is available
+               }
+        #endif
+            //UnitPayload unitLoad = load.getPayLoadAtIndex(index);
+            switch(*loadPtr.getUnitAtIndex(index).getAdTypePtr()) {
+                case GapAdvertisingData::FLAGS:                              /* ref *Flags */                     
+                //Check if Flags are OK. BlueNRG only supports LE Mode.
+                uint8_t *flags = loadPtr.getUnitAtIndex(index).getDataPtr();
+                if((*flags & GapAdvertisingData::BREDR_NOT_SUPPORTED) != GapAdvertisingData::BREDR_NOT_SUPPORTED) {
+                        DEBUG("BlueNRG does not support BR/EDR Mode");
+                        return BLE_ERROR_PARAM_OUT_OF_RANGE;
+                     }
+                
+                break;
+                case GapAdvertisingData::INCOMPLETE_LIST_16BIT_SERVICE_IDS:  /**< Incomplete list of 16-bit Service IDs */
+                break;
+                case GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS:    /**< Complete list of 16-bit Service IDs */
+                    DEBUG("Advertising type: COMPLETE_LIST_16BIT_SERVICE_IDS\n\r");
+                    DEBUG("Advertising type: COMPLETE_LIST_16BIT_SERVICE_IDS\n");
+                    #if 0
+                    int err = aci_gap_update_adv_data(*loadPtr.getUnitAtIndex(index).getLenPtr(), loadPtr.getUnitAtIndex(index).getAdTypePtr());            
+                    if(BLE_STATUS_SUCCESS!=err) {
+                        DEBUG("error occurred while adding adv data\n");
+                        return BLE_ERROR_PARAM_OUT_OF_RANGE;  // no other suitable error code is available
+                        }
+                    #endif
+                    break;
+                case GapAdvertisingData::INCOMPLETE_LIST_32BIT_SERVICE_IDS:  /**< Incomplete list of 32-bit Service IDs (not relevant for Bluetooth 4.0) */
+                break;
+                case GapAdvertisingData::COMPLETE_LIST_32BIT_SERVICE_IDS:    /**< Complete list of 32-bit Service IDs (not relevant for Bluetooth 4.0) */
+                break;
+                case GapAdvertisingData::INCOMPLETE_LIST_128BIT_SERVICE_IDS: /**< Incomplete list of 128-bit Service IDs */
+                break;
+                case GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS:   /**< Complete list of 128-bit Service IDs */
+                break;
+                case GapAdvertisingData::SHORTENED_LOCAL_NAME:               /**< Shortened Local Name */
+                break;
+                case GapAdvertisingData::COMPLETE_LOCAL_NAME:                /**< Complete Local Name */
+                    DEBUG("Advertising type: COMPLETE_LOCAL_NAME\n\r");
+                    loadPtr.getUnitAtIndex(index).printDataAsString();       
+                    local_name_length = *loadPtr.getUnitAtIndex(index).getLenPtr()-1;                        
+                    local_name = (const char*)loadPtr.getUnitAtIndex(index).getAdTypePtr();  
+                    //for(int i=0; i<local_name_length; i++) DEBUG("\n%c", local_name[i]);
+                    /*aci_gatt_update_char_value(g_gap_service_handle, 
+                                                g_device_name_char_handle, 
+                                                0, 
+                                                local_name_length, 
+                                                (tHalUint8 *)local_name);*/
+                    //COMPLETE_LOCAL_NAME is only advertising device name. Gatt Device Name is not the same.(Must be set right after GAP/GATT init?)
+
+                            
+                    DEBUG("device_name length=%d\n\r", local_name_length);                                    
+                    break;
+                
+                case GapAdvertisingData::TX_POWER_LEVEL:                     /**< TX Power Level (in dBm) */
+                    DEBUG("Advertising type: TX_POWER_LEVEL\n\r");     
+                    int8_t dbm = *loadPtr.getUnitAtIndex(index).getDataPtr();
+                    int8_t enHighPower = 0;
+                    int8_t paLevel = 0;
+                    int8_t dbmActuallySet = getHighPowerAndPALevelValue(dbm, enHighPower, paLevel);
+                    DEBUG("dbm=%d, dbmActuallySet=%d\n\r", dbm, dbmActuallySet);
+                    DEBUG("enHighPower=%d, paLevel=%d\n\r", enHighPower, paLevel);                    
+                    aci_hal_set_tx_power_level(enHighPower, paLevel);
+                    break;
+                case GapAdvertisingData::DEVICE_ID:                          /**< Device ID */
+                break;
+                case GapAdvertisingData::SLAVE_CONNECTION_INTERVAL_RANGE:    /**< Slave :Connection Interval Range */
+                break;
+                case GapAdvertisingData::SERVICE_DATA:                       /**< Service Data */
+                break;
+                case GapAdvertisingData::APPEARANCE:   
+                    /* 
+                    Tested with GapAdvertisingData::GENERIC_PHONE. 
+                    for other appearances BLE Scanner android app is not behaving properly 
+                    */
+                    DEBUG("Advertising type: APPEARANCE\n\r");
+                    const char *deviceAppearance = NULL;                    
+                    deviceAppearance = (const char*)loadPtr.getUnitAtIndex(index).getDataPtr();  // to be set later when startAdvertising() is called
+                    
+                    uint8_t Appearance[2];
+                    uint16_t devP = (uint16_t)*deviceAppearance;
+                    STORE_LE_16(Appearance, (uint16_t)devP);
+    
+                    DEBUG("input: deviceAppearance= 0x%x 0x%x..., strlen(deviceAppearance)=%d\n\r", Appearance[1], Appearance[0], (uint8_t)*loadPtr.getUnitAtIndex(index).getLenPtr()-1);         /**< \ref Appearance */
+                    
+                    aci_gatt_update_char_value(g_gap_service_handle, g_appearance_char_handle, 0, 2, (tHalUint8 *)deviceAppearance);//not using array Appearance[2]
+                    break;
+                case GapAdvertisingData::ADVERTISING_INTERVAL:               /**< Advertising Interval */
+                    advtInterval = (uint16_t)(*loadPtr.getUnitAtIndex(index).getDataPtr());
+                    DEBUG("advtInterval=%d\n\r", advtInterval);
+                break;
+                case GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA:        /**< Manufacturer Specific Data */                                
+                break;
+                                
+            }          
+    }
+        //Set the SCAN_RSP Payload
+        scan_response_payload = scanResponse.getPayload();
+        scan_rsp_length = scanResponse.getPayloadLen();
+    }
+   return BLE_ERROR_NONE;
+}
+
+/**************************************************************************/
+/*!
+    @brief  Starts the BLE HW, initialising any services that were
+            added before this function was called.
+
+    @note   All services must be added before calling this function!
+
+    @returns    ble_error_t
+
+    @retval     BLE_ERROR_NONE
+                Everything executed properly
+
+    @section EXAMPLE
+
+    @code
+
+    @endcode
+*/
+/**************************************************************************/
+ble_error_t BlueNRGGap::startAdvertising(const GapAdvertisingParams &params)
+{
+    /* Make sure we support the advertising type */
+    if (params.getAdvertisingType() == GapAdvertisingParams::ADV_CONNECTABLE_DIRECTED) {
+        /* ToDo: This requires a propery security implementation, etc. */
+        return BLE_ERROR_NOT_IMPLEMENTED;
+    }
+
+    /* Check interval range */
+    if (params.getAdvertisingType() == GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED) {
+        /* Min delay is slightly longer for unconnectable devices */
+        if ((params.getInterval() < GAP_ADV_PARAMS_INTERVAL_MIN_NONCON) ||
+            (params.getInterval() > GAP_ADV_PARAMS_INTERVAL_MAX)) {
+            return BLE_ERROR_PARAM_OUT_OF_RANGE;
+        }
+    } else {
+        if ((params.getInterval() < GAP_ADV_PARAMS_INTERVAL_MIN) ||
+            (params.getInterval() > GAP_ADV_PARAMS_INTERVAL_MAX)) {
+            return BLE_ERROR_PARAM_OUT_OF_RANGE;
+        }
+    }
+
+    /* Check timeout is zero for Connectable Directed */
+    if ((params.getAdvertisingType() == GapAdvertisingParams::ADV_CONNECTABLE_DIRECTED) && (params.getTimeout() != 0)) {
+        /* Timeout must be 0 with this type, although we'll never get here */
+        /* since this isn't implemented yet anyway */
+        return BLE_ERROR_PARAM_OUT_OF_RANGE;
+    }
+
+    /* Check timeout for other advertising types */
+    if ((params.getAdvertisingType() != GapAdvertisingParams::ADV_CONNECTABLE_DIRECTED) &&
+        (params.getTimeout() > GAP_ADV_PARAMS_TIMEOUT_MAX)) {
+        return BLE_ERROR_PARAM_OUT_OF_RANGE;
+    }
+
+  tBleStatus ret;
+  
+  //const char local_name[] = {AD_TYPE_COMPLETE_LOCAL_NAME,'B','l','u','e','N','R','G'};
+  //const char local_name[] = {AD_TYPE_COMPLETE_LOCAL_NAME,device_name[27],device_name[28],device_name[29],device_name[30], device_name[31],
+   //                                                     device_name[32], device_name[33], device_name[34], device_name[35], device_name[36]};
+  
+
+  
+  //const char local_name[] = {AD_TYPE_COMPLETE_LOCAL_NAME,device_name[27],device_name[28]};
+  const LongUUID_t HRM_SERVICE_UUID_128 = {0x18, 0x0D};
+  /* set scan response data */
+  hci_le_set_scan_resp_data(scan_rsp_length, scan_response_payload); /*int hci_le_set_scan_resp_data(uint8_t length, const uint8_t data[]);*/
+  
+  /*aci_gap_set_discoverable(Advertising_Event_Type, Adv_min_intvl, Adv_Max_Intvl, Addr_Type, Adv_Filter_Policy,
+                        Local_Name_Length, local_name, service_uuid_length, service_uuid_list, Slave_conn_intvl_min, Slave_conn_intvl_max);*/
+  /*LINK_LAYER.H DESCRIBES THE ADVERTISING TYPES*/ 
+
+  char* name = NULL;
+  uint8_t nameLen = 0; 
+  if(local_name!=NULL) {
+      name = (char*)local_name;
+      DEBUG("name=%s\n\r", name); 
+      nameLen = local_name_length;
+  } else {
+      char str[] = "ST_BLE_DEV";
+      name = new char[strlen(str)+1];
+      name[0] = AD_TYPE_COMPLETE_LOCAL_NAME;
+      strcpy(name+1, str);
+      nameLen = strlen(name);
+      DEBUG("nameLen=%d\n\r", nameLen);
+      DEBUG("name=%s\n\r", name);      
+  }  
+  
+                               
+  advtInterval = params.getInterval(); // set advtInterval in case it is not already set by user application    
+  ret = aci_gap_set_discoverable(params.getAdvertisingType(), // Advertising_Event_Type                                
+                                0,   // Adv_Interval_Min
+                                advtInterval,   // Adv_Interval_Max
+                                PUBLIC_ADDR, // Address_Type <hdd> It seems there is some problem with RANDOM_ADDRESS. <problem_desc> When RANDOM_ADDRESS is selected device name is not being handled properly, i.e. wrong device name is seen by android app </problem_desc>
+                                NO_WHITE_LIST_USE,  // Adv_Filter_Policy
+                                nameLen, //local_name_length, // Local_Name_Length
+                                (const char*)name, //local_name, // Local_Name
+                                servUuidlength,  //Service_Uuid_Length
+                                servUuidData, //Service_Uuid_List
+                                0, // Slave_Conn_Interval_Min
+                                0);  // Slave_Conn_Interval_Max
+                       
+  state.advertising = 1;
+  
+    return BLE_ERROR_NONE;
+}
+
+/**************************************************************************/
+/*!
+    @brief  Stops the BLE HW and disconnects from any devices
+
+    @returns    ble_error_t
+
+    @retval     BLE_ERROR_NONE
+                Everything executed properly
+
+    @section EXAMPLE
+
+    @code
+
+    @endcode
+*/
+/**************************************************************************/
+ble_error_t BlueNRGGap::stopAdvertising(void)
+{
+    tBleStatus ret;
+    
+    if(state.advertising == 1) {
+    //Set non-discoverable to stop advertising
+    ret = aci_gap_set_non_discoverable();
+    
+    if (ret != BLE_STATUS_SUCCESS){
+      DEBUG("Error in stopping advertisement!!\n\r") ;
+      return BLE_ERROR_PARAM_OUT_OF_RANGE ; //Not correct Error Value 
+      //FIXME: Define Error values equivalent to BlueNRG Error Codes.
+    }
+    DEBUG("Advertisement stopped!!\n\r") ;
+    //Set GapState_t::advertising state
+    state.advertising = 0;
+    }
+    
+    return BLE_ERROR_NONE;
+}
+
+/**************************************************************************/
+/*!
+    @brief  Disconnects if we are connected to a central device
+
+    @returns    ble_error_t
+
+    @retval     BLE_ERROR_NONE
+                Everything executed properly
+
+    @section EXAMPLE
+
+    @code
+
+    @endcode
+*/
+/**************************************************************************/
+ble_error_t BlueNRGGap::disconnect(void)
+{
+    tBleStatus ret;
+    //For Reason codes check BlueTooth HCI Spec
+    
+    if(m_connectionHandle != BLE_CONN_HANDLE_INVALID) {
+        ret = aci_gap_terminate(m_connectionHandle, 0x16);//0x16 Connection Terminated by Local Host. 
+
+    if (ret != BLE_STATUS_SUCCESS){
+      DEBUG("Error in GAP termination!!\n\r") ;
+      return BLE_ERROR_PARAM_OUT_OF_RANGE ; //Not correct Error Value 
+      //FIXME: Define Error values equivalent to BlueNRG Error Codes.
+    }
+    
+    //DEBUG("Disconnected from localhost!!\n\r") ;
+    m_connectionHandle = BLE_CONN_HANDLE_INVALID;
+    }
+    
+    return BLE_ERROR_NONE;
+}
+
+/**************************************************************************/
+/*!
+    @brief  Sets the 16-bit connection handle
+*/
+/**************************************************************************/
+void BlueNRGGap::setConnectionHandle(uint16_t con_handle)
+{
+    m_connectionHandle = con_handle;
+}
+
+/**************************************************************************/
+/*!
+    @brief  Gets the 16-bit connection handle
+*/
+/**************************************************************************/
+uint16_t BlueNRGGap::getConnectionHandle(void)
+{
+    return m_connectionHandle;
+}
+
+/**************************************************************************/
+/*!
+    @brief      Sets the BLE device address. SetAddress will reset the BLE
+                device and re-initialize BTLE. Will not start advertising.
+
+    @returns    ble_error_t
+
+    @section EXAMPLE
+
+    @code
+
+    @endcode
+*/
+/**************************************************************************/
+ble_error_t BlueNRGGap::setAddress(addr_type_t type, const uint8_t address[6])
+{
+    tBleStatus ret;
+    
+    if (type > ADDR_TYPE_RANDOM_PRIVATE_NON_RESOLVABLE) {
+        return BLE_ERROR_PARAM_OUT_OF_RANGE;
+    }
+        
+    //copy address to bdAddr[6]
+    for(int i=0; i<BDADDR_SIZE; i++) {
+        bdaddr[i] = address[i];
+        //DEBUG("i[%d]:0x%x\n\r",i,bdaddr[i]);
+        }
+        
+    if(!isSetAddress) isSetAddress = true;
+    
+    //Re-Init the BTLE Device with SetAddress as true
+    //if(BlueNRGDevice::getIsInitialized())//Re-init only initialization is already done
+        btle_init(isSetAddress);
+    
+    //if (ret==BLE_STATUS_SUCCESS)
+    return BLE_ERROR_NONE;
+}
+
+/**************************************************************************/
+/*!
+    @brief      Returns boolean if the address of the device has been set
+                or not
+                
+    @returns    bool
+
+    @section EXAMPLE
+
+    @code
+
+    @endcode
+*/
+/**************************************************************************/
+bool BlueNRGGap::getIsSetAddress() 
+{
+    return isSetAddress;   
+}
+
+/**************************************************************************/
+/*!
+    @brief      Returns the address of the device if set
+
+    @returns    ble_error_t
+
+    @section EXAMPLE
+
+    @code
+
+    @endcode
+*/
+/**************************************************************************/
+tHalUint8* BlueNRGGap::getAddress() 
+{
+    if(isSetAddress)
+    return bdaddr; 
+    else return NULL;   
+}
+
+/**************************************************************************/
+/*!
+    @brief      obtains preferred connection params
+
+    @returns    ble_error_t
+
+    @section EXAMPLE
+
+    @code
+
+    @endcode
+*/
+/**************************************************************************/
+ble_error_t BlueNRGGap::getPreferredConnectionParams(ConnectionParams_t *params) 
+{
+    return BLE_ERROR_NONE;
+}
+
+
+/**************************************************************************/
+/*!
+    @brief      sets preferred connection params
+
+    @returns    ble_error_t
+
+    @section EXAMPLE
+
+    @code
+
+    @endcode
+*/
+/**************************************************************************/
+ble_error_t BlueNRGGap::setPreferredConnectionParams(const ConnectionParams_t *params) 
+{
+    return BLE_ERROR_NONE;
+}
+
+/**************************************************************************/
+/*!
+    @brief      updates preferred connection params
+
+    @returns    ble_error_t
+
+    @section EXAMPLE
+
+    @code
+
+    @endcode
+*/
+/**************************************************************************/
+ble_error_t BlueNRGGap::updateConnectionParams(Handle_t handle, const ConnectionParams_t *params)
+{
+    return BLE_ERROR_NONE;
+}
+