/************************************************************************************************** Phyplus Microelectronics Limited confidential and proprietary. All rights reserved. IMPORTANT: All rights of this software belong to Phyplus Microelectronics Limited ("Phyplus"). Your use of this Software is limited to those specific rights granted under the terms of the business contract, the confidential agreement, the non-disclosure agreement and any other forms of agreements as a customer or a partner of Phyplus. You may not use this Software unless you agree to abide by the terms of these agreements. You acknowledge that the Software may not be modified, copied, distributed or disclosed unless embedded on a Phyplus Bluetooth Low Energy (BLE) integrated circuit, either as a product or is integrated into your products. Other than for the aforementioned purposes, you may not use, reproduce, copy, prepare derivative works of, modify, distribute, perform, display or sell this Software and/or its documentation for any purposes. YOU FURTHER ACKNOWLEDGE AND AGREE THAT THE SOFTWARE AND DOCUMENTATION ARE PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY, TITLE, NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL PHYPLUS OR ITS SUBSIDIARIES BE LIABLE OR OBLIGATED UNDER CONTRACT, NEGLIGENCE, STRICT LIABILITY, CONTRIBUTION, BREACH OF WARRANTY, OR OTHER LEGAL EQUITABLE THEORY ANY DIRECT OR INDIRECT DAMAGES OR EXPENSES INCLUDING BUT NOT LIMITED TO ANY INCIDENTAL, SPECIAL, INDIRECT, PUNITIVE OR CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA, COST OF PROCUREMENT OF SUBSTITUTE GOODS, TECHNOLOGY, SERVICES, OR ANY CLAIMS BY THIRD PARTIES (INCLUDING BUT NOT LIMITED TO ANY DEFENSE THEREOF), OR OTHER SIMILAR COSTS. **************************************************************************************************/ /************************************************************************************************** Filename: simplekey.c Revised: Revision: Description: Simple Keys Profile **************************************************************************************************/ /********************************************************************* * INCLUDES */ #include "bcomdef.h" #include "OSAL.h" #include "linkdb.h" #include "att.h" #include "gatt.h" #include "gatt_uuid.h" #include "gattservapp.h" #include "gapbondmgr.h" #include "simplekeys.h" /********************************************************************* * MACROS */ /********************************************************************* * CONSTANTS */ #define SERVAPP_NUM_ATTR_SUPPORTED 5 /********************************************************************* * TYPEDEFS */ /********************************************************************* * GLOBAL VARIABLES */ // SK Service UUID: 0x1800 CONST uint8 skServUUID[ATT_BT_UUID_SIZE] = { LO_UINT16(SK_SERV_UUID), HI_UINT16(SK_SERV_UUID) }; // Key Pressed UUID: 0x1801 CONST uint8 keyPressedUUID[ATT_BT_UUID_SIZE] = { LO_UINT16(SK_KEYPRESSED_UUID), HI_UINT16(SK_KEYPRESSED_UUID) }; /********************************************************************* * EXTERNAL VARIABLES */ /********************************************************************* * EXTERNAL FUNCTIONS */ /********************************************************************* * LOCAL VARIABLES */ /********************************************************************* * Profile Attributes - variables */ // SK Service attribute static CONST gattAttrType_t skService = { ATT_BT_UUID_SIZE, skServUUID }; // Keys Pressed Characteristic Properties static uint8 skCharProps = GATT_PROP_NOTIFY; // Key Pressed State Characteristic static uint8 skKeyPressed = 0; // Key Pressed Characteristic Configs static gattCharCfg_t skConfig[GATT_MAX_NUM_CONN]; // Key Pressed Characteristic User Description static uint8 skCharUserDesp[16] = "Key Press State\0"; /********************************************************************* * Profile Attributes - Table */ static gattAttribute_t simplekeysAttrTbl[SERVAPP_NUM_ATTR_SUPPORTED] = { // Simple Keys Service { { ATT_BT_UUID_SIZE, primaryServiceUUID }, /* type */ GATT_PERMIT_READ, /* permissions */ 0, /* handle */ (uint8 *)&skService /* pValue */ }, // Characteristic Declaration for Keys { { ATT_BT_UUID_SIZE, characterUUID }, GATT_PERMIT_READ, 0, &skCharProps }, // Characteristic Value- Key Pressed { { ATT_BT_UUID_SIZE, keyPressedUUID }, 0, 0, &skKeyPressed }, // Characteristic configuration { { ATT_BT_UUID_SIZE, clientCharCfgUUID }, GATT_PERMIT_READ | GATT_PERMIT_WRITE, 0, (uint8 *)skConfig }, // Characteristic User Description { { ATT_BT_UUID_SIZE, charUserDescUUID }, GATT_PERMIT_READ, 0, skCharUserDesp }, }; /********************************************************************* * LOCAL FUNCTIONS */ static uint8 sk_ReadAttrCB( uint16 connHandle, gattAttribute_t *pAttr, uint8 *pValue, uint8 *pLen, uint16 offset, uint8 maxLen ); static bStatus_t sk_WriteAttrCB( uint16 connHandle, gattAttribute_t *pAttr, uint8 *pValue, uint8 len, uint16 offset ); static void sk_HandleConnStatusCB( uint16 connHandle, uint8 changeType ); /********************************************************************* * PROFILE CALLBACKS */ // SK Service Callbacks CONST gattServiceCBs_t skCBs = { sk_ReadAttrCB, // Read callback function pointer sk_WriteAttrCB, // Write callback function pointer NULL // Authorization callback function pointer }; /********************************************************************* * PUBLIC FUNCTIONS */ /********************************************************************* * @fn SK_AddService * * @brief Initializes the Simple Key service by registering * GATT attributes with the GATT server. * * @param services - services to add. This is a bit map and can * contain more than one service. * * @return Success or Failure */ bStatus_t SK_AddService( uint32 services ) { uint8 status = SUCCESS; // Initialize Client Characteristic Configuration attributes GATTServApp_InitCharCfg( INVALID_CONNHANDLE, skConfig ); // Register with Link DB to receive link status change callback VOID linkDB_Register( sk_HandleConnStatusCB ); if ( services & SK_SERVICE ) { // Register GATT attribute list and CBs with GATT Server App status = GATTServApp_RegisterService( simplekeysAttrTbl, GATT_NUM_ATTRS( simplekeysAttrTbl ), &skCBs ); } return ( status ); } /********************************************************************* * @fn SK_SetParameter * * @brief Set a Simple Key Profile parameter. * * @param param - Profile parameter ID * @param len - length of data to right * @param pValue - pointer to data to write. This is dependent on * the parameter ID and WILL be cast to the appropriate * data type (example: data type of uint16 will be cast to * uint16 pointer). * * @return bStatus_t */ bStatus_t SK_SetParameter( uint8 param, uint8 len, void *pValue ) { bStatus_t ret = SUCCESS; switch ( param ) { case SK_KEY_ATTR: if ( len == sizeof ( uint8 ) ) { skKeyPressed = *((uint8*)pValue); // See if Notification/Indication has been enabled GATTServApp_ProcessCharCfg( skConfig, &skKeyPressed, FALSE, simplekeysAttrTbl, GATT_NUM_ATTRS( simplekeysAttrTbl ), INVALID_TASK_ID ); } else { ret = bleInvalidRange; } break; default: ret = INVALIDPARAMETER; break; } return ( ret ); } /********************************************************************* * @fn SK_GetParameter * * @brief Get a Simple Key Profile parameter. * * @param param - Profile parameter ID * @param pValue - pointer to data to put. This is dependent on * the parameter ID and WILL be cast to the appropriate * data type (example: data type of uint16 will be cast to * uint16 pointer). * * @return bStatus_t */ bStatus_t SK_GetParameter( uint8 param, void *pValue ) { bStatus_t ret = SUCCESS; switch ( param ) { case SK_KEY_ATTR: *((uint8*)pValue) = skKeyPressed; break; default: ret = INVALIDPARAMETER; break; } return ( ret ); } /********************************************************************* * @fn sk_ReadAttrCB * * @brief Read an attribute. * * @param connHandle - connection message was received on * @param pAttr - pointer to attribute * @param pValue - pointer to data to be read * @param pLen - length of data to be read * @param offset - offset of the first octet to be read * @param maxLen - maximum length of data to be read * * @return Success or Failure */ static uint8 sk_ReadAttrCB( uint16 connHandle, gattAttribute_t *pAttr, uint8 *pValue, uint8 *pLen, uint16 offset, uint8 maxLen ) { bStatus_t status = SUCCESS; // Make sure it's not a blob operation (no attributes in the profile are long if ( offset > 0 ) { return ( ATT_ERR_ATTR_NOT_LONG ); } if ( pAttr->type.len == ATT_BT_UUID_SIZE ) { // 16-bit UUID uint16 uuid = BUILD_UINT16( pAttr->type.uuid[0], pAttr->type.uuid[1]); switch ( uuid ) { // No need for "GATT_SERVICE_UUID" or "GATT_CLIENT_CHAR_CFG_UUID" cases; // gattserverapp handles this type for reads // simple keys characteristic does not have read permissions, but because it // can be sent as a notification, it must be included here case SK_KEYPRESSED_UUID: *pLen = 1; pValue[0] = *pAttr->pValue; break; default: // Should never get here! *pLen = 0; status = ATT_ERR_ATTR_NOT_FOUND; break; } } else { // 128-bit UUID *pLen = 0; status = ATT_ERR_INVALID_HANDLE; } return ( status ); } /********************************************************************* * @fn sk_WriteAttrCB * * @brief Validate attribute data prior to a write operation * * @param connHandle - connection message was received on * @param pAttr - pointer to attribute * @param pValue - pointer to data to be written * @param len - length of data * @param offset - offset of the first octet to be written * * @return Success or Failure */ static bStatus_t sk_WriteAttrCB( uint16 connHandle, gattAttribute_t *pAttr, uint8 *pValue, uint8 len, uint16 offset ) { bStatus_t status = SUCCESS; if ( pAttr->type.len == ATT_BT_UUID_SIZE ) { // 16-bit UUID uint16 uuid = BUILD_UINT16( pAttr->type.uuid[0], pAttr->type.uuid[1]); switch ( uuid ) { case GATT_CLIENT_CHAR_CFG_UUID: status = GATTServApp_ProcessCCCWriteReq( connHandle, pAttr, pValue, len, offset, GATT_CLIENT_CFG_NOTIFY ); break; default: // Should never get here! status = ATT_ERR_ATTR_NOT_FOUND; break; } } else { // 128-bit UUID status = ATT_ERR_INVALID_HANDLE; } return ( status ); } /********************************************************************* * @fn sk_HandleConnStatusCB * * @brief Simple Keys Profile link status change handler function. * * @param connHandle - connection handle * @param changeType - type of change * * @return none */ static void sk_HandleConnStatusCB( uint16 connHandle, uint8 changeType ) { // Make sure this is not loopback connection if ( connHandle != LOOPBACK_CONNHANDLE ) { // Reset Client Char Config if connection has dropped if ( ( changeType == LINKDB_STATUS_UPDATE_REMOVED ) || ( ( changeType == LINKDB_STATUS_UPDATE_STATEFLAGS ) && ( !linkDB_Up( connHandle ) ) ) ) { GATTServApp_InitCharCfg( connHandle, skConfig ); } } } /********************************************************************* *********************************************************************/