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You can search keyword "KEYHOLD_EVT" in the attached files and check how I do it.
/************************************************************************************************** Filename: keyfobdemo.c Revised: $Date: 2013-08-15 15:28:40 -0700 (Thu, 15 Aug 2013) $ Revision: $Revision: 34986 $ Description: Key Fob Demo Application. Copyright 2009 - 2013 Texas Instruments Incorporated. All rights reserved. IMPORTANT: Your use of this Software is limited to those specific rights granted under the terms of a software license agreement between the user who downloaded the software, his/her employer (which must be your employer) and Texas Instruments Incorporated (the "License"). You may not use this Software unless you agree to abide by the terms of the License. The License limits your use, and you acknowledge, that the Software may not be modified, copied or distributed unless embedded on a Texas Instruments microcontroller or used solely and exclusively in conjunction with a Texas Instruments radio frequency transceiver, which is integrated into your product. Other than for the foregoing purpose, you may not use, reproduce, copy, prepare derivative works of, modify, distribute, perform, display or sell this Software and/or its documentation for any purpose. 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 TEXAS INSTRUMENTS OR ITS LICENSORS 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. Should you have any questions regarding your right to use this Software, contact Texas Instruments Incorporated at www.TI.com. **************************************************************************************************/ /********************************************************************* * INCLUDES */ #include "bcomdef.h" #include "OSAL.h" #include "OSAL_PwrMgr.h" #include "OnBoard.h" #include "hal_adc.h" #include "hal_led.h" #include "hal_key.h" #include "buzzer.h" #if defined ( ACC_BMA250 ) # include "bma250.h" #elif defined ( ACC_CMA3000 ) # include "cma3000d.h" #endif #include "gatt.h" #include "hci.h" #include "gapgattserver.h" #include "gattservapp.h" #include "gatt_profile_uuid.h" #if defined ( PLUS_BROADCASTER ) #include "peripheralBroadcaster.h" #else #include "peripheral.h" #endif #include "gapbondmgr.h" #include "devinfoservice.h" #include "proxreporter.h" #include "battservice.h" #include "accelerometer.h" #include "simplekeys.h" #include "keyfobdemo.h" /********************************************************************* * MACROS */ /********************************************************************* * CONSTANTS */ // Delay between power-up and starting advertising (in ms) #define STARTDELAY 500 // Number of beeps before buzzer stops by itself #define BUZZER_MAX_BEEPS 10 // Buzzer beep tone frequency for "High Alert" (in Hz) #define BUZZER_ALERT_HIGH_FREQ 4096 // Buzzer beep tone frequency for "Low Alert" (in Hz) #define BUZZER_ALERT_LOW_FREQ 250 // How often to check battery voltage (in ms) #define BATTERY_CHECK_PERIOD 10000 // How often (in ms) to read the accelerometer #define ACCEL_READ_PERIOD 50 // Minimum change in accelerometer before sending a notification #define ACCEL_CHANGE_THRESHOLD 5 //GAP Peripheral Role desired connection parameters // Use limited discoverable mode to advertise for 30.72s, and then stop, or // use general discoverable mode to advertise indefinitely #define DEFAULT_DISCOVERABLE_MODE GAP_ADTYPE_FLAGS_LIMITED //#define DEFAULT_DISCOVERABLE_MODE GAP_ADTYPE_FLAGS_GENERAL // Minimum connection interval (units of 1.25ms, 80=100ms) if automatic parameter update request is enabled #define DEFAULT_DESIRED_MIN_CONN_INTERVAL 80 // Maximum connection interval (units of 1.25ms, 800=1000ms) if automatic parameter update request is enabled #define DEFAULT_DESIRED_MAX_CONN_INTERVAL 800 // Slave latency to use if automatic parameter update request is enabled #define DEFAULT_DESIRED_SLAVE_LATENCY 0 // Supervision timeout value (units of 10ms, 1000=10s) if automatic parameter update request is enabled #define DEFAULT_DESIRED_CONN_TIMEOUT 1000 // Whether to enable automatic parameter update request when a connection is formed #define DEFAULT_ENABLE_UPDATE_REQUEST TRUE // Connection Pause Peripheral time value (in seconds) #define DEFAULT_CONN_PAUSE_PERIPHERAL 5 // keyfobProximityState values #define KEYFOB_PROXSTATE_INITIALIZED 0 // Advertising after initialization or due to terminated link #define KEYFOB_PROXSTATE_CONNECTED_IN_RANGE 1 // Connected and "within range" of the master, as defined by // proximity profile #define KEYFOB_PROXSTATE_PATH_LOSS 2 // Connected and "out of range" of the master, as defined by // proximity profile #define KEYFOB_PROXSTATE_LINK_LOSS 3 // Disconnected as a result of a supervision timeout // buzzer_state values #define BUZZER_OFF 0 #define BUZZER_ON 1 // keyfobAlertState values #define ALERT_STATE_OFF 0 #define ALERT_STATE_LOW 1 #define ALERT_STATE_HIGH 2 // Company Identifier: Texas Instruments Inc. (13) #define TI_COMPANY_ID 0x000D #define INVALID_CONNHANDLE 0xFFFF #if defined ( PLUS_BROADCASTER ) #define ADV_IN_CONN_WAIT 500 // delay 500 ms #endif /********************************************************************* * TYPEDEFS */ /********************************************************************* * GLOBAL VARIABLES */ int sw1_hold_cnt=0; //declare global variable for sw1 hold checking /********************************************************************* * EXTERNAL VARIABLES */ /********************************************************************* * EXTERNAL FUNCTIONS */ /********************************************************************* * LOCAL VARIABLES */ static uint8 keyfobapp_TaskID; // Task ID for internal task/event processing static gaprole_States_t gapProfileState = GAPROLE_INIT; // Proximity State Variables static uint8 keyfobProxLLAlertLevel = PP_ALERT_LEVEL_NO; // Link Loss Alert static uint8 keyfobProxIMAlertLevel = PP_ALERT_LEVEL_NO; // Link Loss Alert static int8 keyfobProxTxPwrLevel = 0; // Tx Power Level (0dBm default) // keyfobProximityState is the current state of the device static uint8 keyfobProximityState; static uint8 keyfobAlertState; // GAP - SCAN RSP data (max size = 31 bytes) static uint8 deviceName[] = { // complete name 0x0b, // length of first data structure (11 bytes excluding length byte) 0x09, // AD Type = Complete local name 0x4b, // 'K' 0x65, // 'e' 0x79, // 'y' 0x66, // 'f' 0x6f, // 'o' 0x62, // 'b' 0x64, // 'd' 0x65, // 'e' 0x6d, // 'm' 0x6f, // 'o' }; // GAP - Advertisement data (max size = 31 bytes, though this is // best kept short to conserve power while advertisting) static uint8 advertData[] = { 0x02, // length of first data structure (2 bytes excluding length byte) GAP_ADTYPE_FLAGS, // AD Type = Flags DEFAULT_DISCOVERABLE_MODE | GAP_ADTYPE_FLAGS_BREDR_NOT_SUPPORTED, // service UUID, to notify central devices what services are included // in this peripheral 0x07, // length of second data structure (7 bytes excluding length byte) GAP_ADTYPE_16BIT_MORE, // list of 16-bit UUID's available, but not complete list LO_UINT16( LINK_LOSS_SERV_UUID ), // Link Loss Service (Proximity Profile) HI_UINT16( LINK_LOSS_SERV_UUID ), LO_UINT16( IMMEDIATE_ALERT_SERV_UUID ), // Immediate Alert Service (Proximity / Find Me Profile) HI_UINT16( IMMEDIATE_ALERT_SERV_UUID ), LO_UINT16( TX_PWR_LEVEL_SERV_UUID ), // Tx Power Level Service (Proximity Profile) HI_UINT16( TX_PWR_LEVEL_SERV_UUID ) }; // GAP GATT Attributes static uint8 attDeviceName[GAP_DEVICE_NAME_LEN] = "TI BLE Keyfob"; // Buzzer state static uint8 buzzer_state = BUZZER_OFF; static uint8 buzzer_beep_count = 0; // Accelerometer Profile Parameters static uint8 accelEnabler = FALSE; /********************************************************************* * LOCAL FUNCTIONS */ static void keyfobapp_ProcessOSALMsg( osal_event_hdr_t *pMsg ); static void keyfobapp_PerformAlert( void ); static void keyfobapp_StopAlert( void ); static void keyfobapp_HandleKeys( uint8 shift, uint8 keys ); static void peripheralStateNotificationCB( gaprole_States_t newState ); static void proximityAttrCB( uint8 attrParamID ); static void accelEnablerChangeCB( void ); static void accelRead( void ); /********************************************************************* * PROFILE CALLBACKS */ // GAP Role Callbacks static gapRolesCBs_t keyFob_PeripheralCBs = { peripheralStateNotificationCB, // Profile State Change Callbacks NULL // When a valid RSSI is read from controller }; // GAP Bond Manager Callbacks static gapBondCBs_t keyFob_BondMgrCBs = { NULL, // Passcode callback (not used by application) NULL // Pairing / Bonding state Callback (not used by application) }; // Proximity Peripheral Profile Callbacks static proxReporterCBs_t keyFob_ProximityCBs = { proximityAttrCB, // Whenever the Link Loss Alert attribute changes }; // Accelerometer Profile Callbacks static accelCBs_t keyFob_AccelCBs = { accelEnablerChangeCB, // Called when Enabler attribute changes }; /********************************************************************* * PUBLIC FUNCTIONS */ /********************************************************************* * @fn KeyFobApp_Init * * @brief Initialization function for the Key Fob App Task. * This is called during initialization and should contain * any application specific initialization (ie. hardware * initialization/setup, table initialization, power up * notificaiton ... ). * * @param task_id - the ID assigned by OSAL. This ID should be * used to send messages and set timers. * * @return none */ void KeyFobApp_Init( uint8 task_id ) { keyfobapp_TaskID = task_id; // Setup the GAP VOID GAP_SetParamValue( TGAP_CONN_PAUSE_PERIPHERAL, DEFAULT_CONN_PAUSE_PERIPHERAL ); // Setup the GAP Peripheral Role Profile { // For the CC2540DK-MINI keyfob, device doesn't start advertising until button is pressed uint8 initial_advertising_enable = FALSE; // By setting this to zero, the device will go into the waiting state after // being discoverable for 30.72 second, and will not being advertising again // until the enabler is set back to TRUE uint16 gapRole_AdvertOffTime = 0; uint8 enable_update_request = DEFAULT_ENABLE_UPDATE_REQUEST; uint16 desired_min_interval = DEFAULT_DESIRED_MIN_CONN_INTERVAL; uint16 desired_max_interval = DEFAULT_DESIRED_MAX_CONN_INTERVAL; uint16 desired_slave_latency = DEFAULT_DESIRED_SLAVE_LATENCY; uint16 desired_conn_timeout = DEFAULT_DESIRED_CONN_TIMEOUT; // Set the GAP Role Parameters GAPRole_SetParameter( GAPROLE_ADVERT_ENABLED, sizeof( uint8 ), &initial_advertising_enable ); GAPRole_SetParameter( GAPROLE_ADVERT_OFF_TIME, sizeof( uint16 ), &gapRole_AdvertOffTime ); GAPRole_SetParameter( GAPROLE_SCAN_RSP_DATA, sizeof ( deviceName ), deviceName ); GAPRole_SetParameter( GAPROLE_ADVERT_DATA, sizeof( advertData ), advertData ); GAPRole_SetParameter( GAPROLE_PARAM_UPDATE_ENABLE, sizeof( uint8 ), &enable_update_request ); GAPRole_SetParameter( GAPROLE_MIN_CONN_INTERVAL, sizeof( uint16 ), &desired_min_interval ); GAPRole_SetParameter( GAPROLE_MAX_CONN_INTERVAL, sizeof( uint16 ), &desired_max_interval ); GAPRole_SetParameter( GAPROLE_SLAVE_LATENCY, sizeof( uint16 ), &desired_slave_latency ); GAPRole_SetParameter( GAPROLE_TIMEOUT_MULTIPLIER, sizeof( uint16 ), &desired_conn_timeout ); } // Set the GAP Attributes GGS_SetParameter( GGS_DEVICE_NAME_ATT, GAP_DEVICE_NAME_LEN, attDeviceName ); // Setup the GAP Bond Manager { uint8 pairMode = GAPBOND_PAIRING_MODE_WAIT_FOR_REQ; uint8 mitm = TRUE; uint8 ioCap = GAPBOND_IO_CAP_DISPLAY_ONLY; uint8 bonding = TRUE; GAPBondMgr_SetParameter( GAPBOND_PAIRING_MODE, sizeof ( uint8 ), &pairMode ); GAPBondMgr_SetParameter( GAPBOND_MITM_PROTECTION, sizeof ( uint8 ), &mitm ); GAPBondMgr_SetParameter( GAPBOND_IO_CAPABILITIES, sizeof ( uint8 ), &ioCap ); GAPBondMgr_SetParameter( GAPBOND_BONDING_ENABLED, sizeof ( uint8 ), &bonding ); } // Initialize GATT attributes GGS_AddService( GATT_ALL_SERVICES ); // GAP GATTServApp_AddService( GATT_ALL_SERVICES ); // GATT attributes DevInfo_AddService(); // Device Information Service ProxReporter_AddService( GATT_ALL_SERVICES ); // Proximity Reporter Profile Batt_AddService( ); // Battery Service Accel_AddService( GATT_ALL_SERVICES ); // Accelerometer Profile SK_AddService( GATT_ALL_SERVICES ); // Simple Keys Profile keyfobProximityState = KEYFOB_PROXSTATE_INITIALIZED; // Initialize Tx Power Level characteristic in Proximity Reporter { int8 initialTxPowerLevel = 0; ProxReporter_SetParameter( PP_TX_POWER_LEVEL, sizeof ( int8 ), &initialTxPowerLevel ); } keyfobAlertState = ALERT_STATE_OFF; // make sure buzzer is off buzzerStop(); // makes sure LEDs are off HalLedSet( (HAL_LED_1 | HAL_LED_2), HAL_LED_MODE_OFF ); // For keyfob board set GPIO pins into a power-optimized state // Note that there is still some leakage current from the buzzer, // accelerometer, LEDs, and buttons on the PCB. P0SEL = 0; // Configure Port 0 as GPIO P1SEL = 0x40; // Configure Port 1 as GPIO, except P1.6 for peripheral function for buzzer P2SEL = 0; // Configure Port 2 as GPIO P0DIR = 0xFC; // Port 0 pins P0.0 and P0.1 as input (buttons), // all others (P0.2-P0.7) as output P1DIR = 0xFF; // All port 1 pins (P1.0-P1.7) as output P2DIR = 0x1F; // All port 1 pins (P2.0-P2.4) as output P0 = 0x03; // All pins on port 0 to low except for P0.0 and P0.1 (buttons) P1 = 0; // All pins on port 1 to low P2 = 0; // All pins on port 2 to low // initialize the ADC for battery reads HalAdcInit(); // Register for all key events - This app will handle all key events RegisterForKeys( keyfobapp_TaskID ); #if defined ( DC_DC_P0_7 ) // Enable stack to toggle bypass control on TPS62730 (DC/DC converter) HCI_EXT_MapPmIoPortCmd( HCI_EXT_PM_IO_PORT_P0, HCI_EXT_PM_IO_PORT_PIN7 ); #endif // defined ( DC_DC_P0_7 ) // Setup a delayed profile startup osal_start_timerEx( keyfobapp_TaskID, KFD_START_DEVICE_EVT, STARTDELAY ); } /********************************************************************* * @fn KeyFobApp_ProcessEvent * * @brief Key Fob Application Task event processor. This function * is called to process all events for the task. Events * include timers, messages and any other user defined events. * * @param task_id - The OSAL assigned task ID. * @param events - events to process. This is a bit map and can * contain more than one event. * * @return none */ uint16 KeyFobApp_ProcessEvent( uint8 task_id, uint16 events ) { if ( events & SYS_EVENT_MSG ) { uint8 *pMsg; if ( (pMsg = osal_msg_receive( keyfobapp_TaskID )) != NULL ) { keyfobapp_ProcessOSALMsg( (osal_event_hdr_t *)pMsg ); // Release the OSAL message VOID osal_msg_deallocate( pMsg ); } // return unprocessed events return (events ^ SYS_EVENT_MSG); } if ( events & KFD_START_DEVICE_EVT ) { // Start the Device VOID GAPRole_StartDevice( &keyFob_PeripheralCBs ); // Start Bond Manager VOID GAPBondMgr_Register( &keyFob_BondMgrCBs ); // Start the Proximity Profile VOID ProxReporter_RegisterAppCBs( &keyFob_ProximityCBs ); // Set timer for first battery read event osal_start_timerEx( keyfobapp_TaskID, KFD_BATTERY_CHECK_EVT, BATTERY_CHECK_PERIOD ); // Start the Accelerometer Profile VOID Accel_RegisterAppCBs( &keyFob_AccelCBs ); //Set the proximity attribute values to default ProxReporter_SetParameter( PP_LINK_LOSS_ALERT_LEVEL, sizeof ( uint8 ), &keyfobProxLLAlertLevel ); ProxReporter_SetParameter( PP_IM_ALERT_LEVEL, sizeof ( uint8 ), &keyfobProxIMAlertLevel ); ProxReporter_SetParameter( PP_TX_POWER_LEVEL, sizeof ( int8 ), &keyfobProxTxPwrLevel ); // Set LED1 on to give feedback that the power is on, and a timer to turn off HalLedSet( HAL_LED_1, HAL_LED_MODE_ON ); osal_pwrmgr_device( PWRMGR_ALWAYS_ON ); // To keep the LED on continuously. osal_start_timerEx( keyfobapp_TaskID, KFD_POWERON_LED_TIMEOUT_EVT, 1000 ); return ( events ^ KFD_START_DEVICE_EVT ); } if ( events & KFD_POWERON_LED_TIMEOUT_EVT ) { osal_pwrmgr_device( PWRMGR_BATTERY ); // Revert to battery mode after LED off HalLedSet( HAL_LED_1, HAL_LED_MODE_OFF ); return ( events ^ KFD_POWERON_LED_TIMEOUT_EVT ); } if ( events & KFD_ACCEL_READ_EVT ) { bStatus_t status = Accel_GetParameter( ACCEL_ENABLER, &accelEnabler ); if (status == SUCCESS) { if ( accelEnabler ) { // Restart timer if ( ACCEL_READ_PERIOD ) { osal_start_timerEx( keyfobapp_TaskID, KFD_ACCEL_READ_EVT, ACCEL_READ_PERIOD ); } // Read accelerometer data accelRead(); } else { // Stop the acceleromter osal_stop_timerEx( keyfobapp_TaskID, KFD_ACCEL_READ_EVT); } } else { //?? } return (events ^ KFD_ACCEL_READ_EVT); } if ( events & KFD_BATTERY_CHECK_EVT ) { // Restart timer if ( BATTERY_CHECK_PERIOD ) { osal_start_timerEx( keyfobapp_TaskID, KFD_BATTERY_CHECK_EVT, BATTERY_CHECK_PERIOD ); } // perform battery level check Batt_MeasLevel( ); return (events ^ KFD_BATTERY_CHECK_EVT); } if ( events & KFD_TOGGLE_BUZZER_EVT ) { // if this event was triggered while buzzer is on, turn it off, increment beep_count, // check whether max has been reached, and if not set the OSAL timer for next event to // turn buzzer back on. if ( buzzer_state == BUZZER_ON ) { buzzerStop(); buzzer_state = BUZZER_OFF; buzzer_beep_count++; #if defined ( POWER_SAVING ) osal_pwrmgr_device( PWRMGR_BATTERY ); #endif // check to see if buzzer has beeped maximum number of times // if it has, then don't turn it back on if ( ( buzzer_beep_count < BUZZER_MAX_BEEPS ) && ( ( keyfobProximityState == KEYFOB_PROXSTATE_LINK_LOSS ) || ( keyfobProximityState == KEYFOB_PROXSTATE_PATH_LOSS ) ) ) { osal_start_timerEx( keyfobapp_TaskID, KFD_TOGGLE_BUZZER_EVT, 800 ); } } else if ( keyfobAlertState != ALERT_STATE_OFF ) { // if this event was triggered while the buzzer is off then turn it on if appropriate keyfobapp_PerformAlert(); } return (events ^ KFD_TOGGLE_BUZZER_EVT); } #if defined ( PLUS_BROADCASTER ) if ( events & KFD_ADV_IN_CONNECTION_EVT ) { uint8 turnOnAdv = TRUE; // Turn on advertising while in a connection GAPRole_SetParameter( GAPROLE_ADVERT_ENABLED, sizeof( uint8 ), &turnOnAdv ); } #endif if ( events & KEYHOLD_EVT ) { if (P0_0==0) { sw1_hold_cnt++; } if (sw1_hold_cnt>=5) { //Key hold for 5 seconds SystemReset() } osal_start_timerEx( keyfobapp_TaskID, KEYHOLD_EVT, 1000); return ( events ^ KEYHOLD_EVT ); } // Discard unknown events return 0; } /********************************************************************* * @fn keyfobapp_ProcessOSALMsg * * @brief Process an incoming task message. * * @param pMsg - message to process * * @return none */ static void keyfobapp_ProcessOSALMsg( osal_event_hdr_t *pMsg ) { switch ( pMsg->event ) { case KEY_CHANGE: keyfobapp_HandleKeys( ((keyChange_t *)pMsg)->state, ((keyChange_t *)pMsg)->keys ); break; } } /********************************************************************* * @fn keyfobapp_HandleKeys * * @brief Handles all key events for this device. * * @param shift - true if in shift/alt. * @param keys - bit field for key events. Valid entries: * HAL_KEY_SW_2 * HAL_KEY_SW_1 * * @return none */ static void keyfobapp_HandleKeys( uint8 shift, uint8 keys ) { uint8 SK_Keys = 0; (void)shift; // Intentionally unreferenced parameter if ( keys & HAL_KEY_SW_1 ) { SK_Keys |= SK_KEY_LEFT; sw1_hold_cnt=0; osal_start_timerEx( keyfobapp_TaskID, KEYHOLD_EVT, 1000); // if is active, pressing the left key should toggle // stop the alert if( keyfobAlertState != ALERT_STATE_OFF ) { keyfobapp_StopAlert(); } // if device is in a connection, toggle the Tx power level between 0 and // -6 dBm if( gapProfileState == GAPROLE_CONNECTED ) { int8 currentTxPowerLevel; int8 newTxPowerLevel; ProxReporter_GetParameter( PP_TX_POWER_LEVEL, ¤tTxPowerLevel ); switch ( currentTxPowerLevel ) { case 0: newTxPowerLevel = -6; // change power to -6 dBm HCI_EXT_SetTxPowerCmd( HCI_EXT_TX_POWER_MINUS_6_DBM ); // Update Tx powerl level in Proximity Reporter (and send notification) // if enabled) ProxReporter_SetParameter( PP_TX_POWER_LEVEL, sizeof ( int8 ), &newTxPowerLevel ); break; case (-6): newTxPowerLevel = 0; // change power to 0 dBm HCI_EXT_SetTxPowerCmd( HCI_EXT_TX_POWER_0_DBM ); // Update Tx powerl level in Proximity Reporter (and send notification) // if enabled) ProxReporter_SetParameter( PP_TX_POWER_LEVEL, sizeof ( int8 ), &newTxPowerLevel ); break; default: // do nothing break; } } } if ( keys & HAL_KEY_SW_2 ) { SK_Keys |= SK_KEY_RIGHT; // if device is not in a connection, pressing the right key should toggle // advertising on and off if( gapProfileState != GAPROLE_CONNECTED ) { uint8 current_adv_enabled_status; uint8 new_adv_enabled_status; //Find the current GAP advertisement status GAPRole_GetParameter( GAPROLE_ADVERT_ENABLED, ¤t_adv_enabled_status ); if( current_adv_enabled_status == FALSE ) { new_adv_enabled_status = TRUE; } else { new_adv_enabled_status = FALSE; } //change the GAP advertisement status to opposite of current status GAPRole_SetParameter( GAPROLE_ADVERT_ENABLED, sizeof( uint8 ), &new_adv_enabled_status ); } } SK_SetParameter( SK_KEY_ATTR, sizeof ( uint8 ), &SK_Keys ); } /********************************************************************* * @fn keyfobapp_PerformAlert * * @brief Performs an alert * * @param none * * @return none */ static void keyfobapp_PerformAlert( void ) { if ( keyfobProximityState == KEYFOB_PROXSTATE_LINK_LOSS ) { switch( keyfobProxLLAlertLevel ) { case PP_ALERT_LEVEL_LOW: #if defined ( POWER_SAVING ) osal_pwrmgr_device( PWRMGR_ALWAYS_ON ); #endif keyfobAlertState = ALERT_STATE_LOW; buzzerStart( BUZZER_ALERT_LOW_FREQ ); buzzer_state = BUZZER_ON; // only run buzzer for 200ms osal_start_timerEx( keyfobapp_TaskID, KFD_TOGGLE_BUZZER_EVT, 200 ); HalLedSet( (HAL_LED_1 | HAL_LED_2), HAL_LED_MODE_OFF ); break; case PP_ALERT_LEVEL_HIGH: #if defined ( POWER_SAVING ) osal_pwrmgr_device( PWRMGR_ALWAYS_ON ); #endif keyfobAlertState = ALERT_STATE_HIGH; buzzerStart( BUZZER_ALERT_HIGH_FREQ ); buzzer_state = BUZZER_ON; // only run buzzer for 200ms osal_start_timerEx( keyfobapp_TaskID, KFD_TOGGLE_BUZZER_EVT, 200 ); HalLedSet( HAL_LED_1, HAL_LED_MODE_ON ); HalLedSet( HAL_LED_2, HAL_LED_MODE_FLASH ); break; case PP_ALERT_LEVEL_NO: // Fall through default: keyfobapp_StopAlert(); break; } } else if ( keyfobProximityState == KEYFOB_PROXSTATE_PATH_LOSS ) { switch( keyfobProxIMAlertLevel ) { case PP_ALERT_LEVEL_LOW: #if defined ( POWER_SAVING ) osal_pwrmgr_device( PWRMGR_ALWAYS_ON ); #endif keyfobAlertState = ALERT_STATE_LOW; buzzerStart( BUZZER_ALERT_LOW_FREQ ); buzzer_state = BUZZER_ON; // only run buzzer for 200ms osal_start_timerEx( keyfobapp_TaskID, KFD_TOGGLE_BUZZER_EVT, 200 ); HalLedSet( (HAL_LED_1 | HAL_LED_2), HAL_LED_MODE_OFF ); break; case PP_ALERT_LEVEL_HIGH: #if defined ( POWER_SAVING ) osal_pwrmgr_device( PWRMGR_ALWAYS_ON ); #endif keyfobAlertState = ALERT_STATE_HIGH; buzzerStart( BUZZER_ALERT_HIGH_FREQ ); buzzer_state = BUZZER_ON; // only run buzzer for 200ms osal_start_timerEx( keyfobapp_TaskID, KFD_TOGGLE_BUZZER_EVT, 200 ); HalLedSet( HAL_LED_1, HAL_LED_MODE_ON ); HalLedSet( HAL_LED_2, HAL_LED_MODE_FLASH ); break; case PP_ALERT_LEVEL_NO: // Fall through default: keyfobapp_StopAlert(); break; } } } /********************************************************************* * @fn keyfobapp_StopAlert * * @brief Stops an alert * * @param none * * @return none */ void keyfobapp_StopAlert( void ) { keyfobAlertState = ALERT_STATE_OFF; buzzerStop(); buzzer_state = BUZZER_OFF; HalLedSet( (HAL_LED_1 | HAL_LED_2), HAL_LED_MODE_OFF ); #if defined ( POWER_SAVING ) osal_pwrmgr_device( PWRMGR_BATTERY ); #endif } /********************************************************************* * @fn peripheralStateNotificationCB * * @brief Notification from the profile of a state change. * * @param newState - new state * * @return none */ static void peripheralStateNotificationCB( gaprole_States_t newState ) { uint16 connHandle = INVALID_CONNHANDLE; uint8 valFalse = FALSE; if ( gapProfileState != newState ) { switch( newState ) { case GAPROLE_STARTED: { // Set the system ID from the bd addr uint8 systemId[DEVINFO_SYSTEM_ID_LEN]; GAPRole_GetParameter(GAPROLE_BD_ADDR, systemId); // shift three bytes up systemId[7] = systemId[5]; systemId[6] = systemId[4]; systemId[5] = systemId[3]; // set middle bytes to zero systemId[4] = 0; systemId[3] = 0; DevInfo_SetParameter(DEVINFO_SYSTEM_ID, DEVINFO_SYSTEM_ID_LEN, systemId); } break; //if the state changed to connected, initially assume that keyfob is in range case GAPROLE_ADVERTISING: { // Visual feedback that we are advertising. HalLedSet( HAL_LED_2, HAL_LED_MODE_ON ); } break; //if the state changed to connected, initially assume that keyfob is in range case GAPROLE_CONNECTED: { // set the proximity state to either path loss alert or in range depending // on the value of keyfobProxIMAlertLevel (which was set by proximity monitor) if( keyfobProxIMAlertLevel != PP_ALERT_LEVEL_NO ) { keyfobProximityState = KEYFOB_PROXSTATE_PATH_LOSS; // perform alert keyfobapp_PerformAlert(); buzzer_beep_count = 0; } else // if keyfobProxIMAlertLevel == PP_ALERT_LEVEL_NO { keyfobProximityState = KEYFOB_PROXSTATE_CONNECTED_IN_RANGE; keyfobapp_StopAlert(); } GAPRole_GetParameter( GAPROLE_CONNHANDLE, &connHandle ); #if defined ( PLUS_BROADCASTER ) osal_start_timerEx( keyfobapp_TaskID, KFD_ADV_IN_CONNECTION_EVT, ADV_IN_CONN_WAIT ); #endif // Turn off LED that shows we're advertising HalLedSet( HAL_LED_2, HAL_LED_MODE_OFF ); } break; case GAPROLE_WAITING: { // then the link was terminated intentionally by the slave or master, // or advertising timed out keyfobProximityState = KEYFOB_PROXSTATE_INITIALIZED; // Turn off immediate alert ProxReporter_SetParameter(PP_IM_ALERT_LEVEL, sizeof(valFalse), &valFalse); keyfobProxIMAlertLevel = PP_ALERT_LEVEL_NO; // Change attribute value of Accelerometer Enable to FALSE Accel_SetParameter(ACCEL_ENABLER, sizeof(valFalse), &valFalse); // Stop the acceleromter accelEnablerChangeCB(); // SetParameter does not trigger the callback // Turn off LED that shows we're advertising HalLedSet( HAL_LED_2, HAL_LED_MODE_OFF ); // Stop alert if it was active if( keyfobAlertState != ALERT_STATE_OFF ) { keyfobapp_StopAlert(); } } break; case GAPROLE_WAITING_AFTER_TIMEOUT: { // the link was dropped due to supervision timeout keyfobProximityState = KEYFOB_PROXSTATE_LINK_LOSS; // Turn off immediate alert ProxReporter_SetParameter(PP_IM_ALERT_LEVEL, sizeof(valFalse), &valFalse); keyfobProxIMAlertLevel = PP_ALERT_LEVEL_NO; // Change attribute value of Accelerometer Enable to FALSE Accel_SetParameter(ACCEL_ENABLER, sizeof(valFalse), &valFalse); // Stop the acceleromter accelEnablerChangeCB(); // SetParameter does not trigger the callback // Perform link loss alert if enabled if( keyfobProxLLAlertLevel != PP_ALERT_LEVEL_NO ) { keyfobapp_PerformAlert(); buzzer_beep_count = 0; } } break; default: // do nothing break; } } gapProfileState = newState; } /********************************************************************* * @fn proximityAttrCB * * @brief Notification from the profile of an atrribute change by * a connected device. * * @param attrParamID - Profile's Attribute Parameter ID * PP_LINK_LOSS_ALERT_LEVEL - The link loss alert level value * PP_IM_ALERT_LEVEL - The immediate alert level value * * @return none */ static void proximityAttrCB( uint8 attrParamID ) { switch( attrParamID ) { case PP_LINK_LOSS_ALERT_LEVEL: ProxReporter_GetParameter( PP_LINK_LOSS_ALERT_LEVEL, &keyfobProxLLAlertLevel ); break; case PP_IM_ALERT_LEVEL: { ProxReporter_GetParameter( PP_IM_ALERT_LEVEL, &keyfobProxIMAlertLevel ); // if proximity monitor set the immediate alert level to low or high, then // the monitor calculated that the path loss to the keyfob (proximity observer) // has exceeded the threshold if( keyfobProxIMAlertLevel != PP_ALERT_LEVEL_NO ) { keyfobProximityState = KEYFOB_PROXSTATE_PATH_LOSS; keyfobapp_PerformAlert(); buzzer_beep_count = 0; } else // proximity monitor turned off alert because the path loss is below threshold { keyfobProximityState = KEYFOB_PROXSTATE_CONNECTED_IN_RANGE; keyfobapp_StopAlert(); } } break; default: // should not reach here! break; } } /********************************************************************* * @fn accelEnablerChangeCB * * @brief Called by the Accelerometer Profile when the Enabler Attribute * is changed. * * @param none * * @return none */ static void accelEnablerChangeCB( void ) { bStatus_t status = Accel_GetParameter( ACCEL_ENABLER, &accelEnabler ); if (status == SUCCESS){ if (accelEnabler) { // Initialize accelerometer accInit(); // Setup timer for accelerometer task osal_start_timerEx( keyfobapp_TaskID, KFD_ACCEL_READ_EVT, ACCEL_READ_PERIOD ); } else { // Stop the acceleromter accStop(); osal_stop_timerEx( keyfobapp_TaskID, KFD_ACCEL_READ_EVT); } } else { //?? } } /********************************************************************* * @fn accelRead * * @brief Called by the application to read accelerometer data * and put data in accelerometer profile * * @param none * * @return none */ static void accelRead( void ) { static int8 x, y, z; int8 new_x, new_y, new_z; // Read data for each axis of the accelerometer accReadAcc(&new_x, &new_y, &new_z); // Check if x-axis value has changed by more than the threshold value and // set profile parameter if it has (this will send a notification if enabled) if( (x < (new_x-ACCEL_CHANGE_THRESHOLD)) || (x > (new_x+ACCEL_CHANGE_THRESHOLD)) ) { x = new_x; Accel_SetParameter(ACCEL_X_ATTR, sizeof ( int8 ), &x); } // Check if y-axis value has changed by more than the threshold value and // set profile parameter if it has (this will send a notification if enabled) if( (y < (new_y-ACCEL_CHANGE_THRESHOLD)) || (y > (new_y+ACCEL_CHANGE_THRESHOLD)) ) { y = new_y; Accel_SetParameter(ACCEL_Y_ATTR, sizeof ( int8 ), &y); } // Check if z-axis value has changed by more than the threshold value and // set profile parameter if it has (this will send a notification if enabled) if( (z < (new_z-ACCEL_CHANGE_THRESHOLD)) || (z > (new_z+ACCEL_CHANGE_THRESHOLD)) ) { z = new_z; Accel_SetParameter(ACCEL_Z_ATTR, sizeof ( int8 ), &z); } } /********************************************************************* *********************************************************************/
You should put buzzer and LED on in like the following;
static void keyfobapp_HandleKeys( uint8 shift, uint8 keys )
{
uint8 SK_Keys = 0;
(void)shift; // Intentionally unreferenced parameter
if ( keys & HAL_KEY_SW_1 )
{
SK_Keys |= SK_KEY_LEFT;
sw1_hold_cnt=0;
osal_start_timerEx( keyfobapp_TaskID, KEYHOLD_EVT, 1000);
HalLedSet( HAL_LED_1, HAL_LED_MODE_ON);
buzzerStart( BUZZER_ALERT_HIGH_FREQ );
, and turn off buzzer and LED when button is released in KEYHOLD_EVT.
if ( events & KEYHOLD_EVT )
{
if (P0_0==0)
{
sw1_hold_cnt++;
osal_start_timerEx( keyfobapp_TaskID, KEYHOLD_EVT, 1000);
}else{
if (sw1_hold_cnt>=5)
{
//Key hold for 5 seconds
uint8 turnOnAdv = TRUE;
// Turn on advertising while in a connection
GAPRole_SetParameter( GAPROLE_ADVERT_ENABLED, sizeof( uint8 ), &turnOnAdv );
} else if (sw1_hold_cnt>=1 && sw1_hold_cnt<3)
{
//Key hold for 5 seconds
uint8 turnOnAdv = FALSE;
// Turn on advertising while in a connection
GAPRole_SetParameter( GAPROLE_ADVERT_ENABLED, sizeof( uint8 ), &turnOnAdv );
}
buzzerStop();
HalLedSet( HAL_LED_1, HAL_LED_MODE_OFF);
}
return ( events ^ KEYHOLD_EVT );
}