Initial public release.

2020TPCApp0.cydsn/ias.c

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+/*******************************************************************************
+* File Name: ias.c
+*
+* Description:
+*  This file contains Immediate Alert Service callback handler function.
+* 
+********************************************************************************
+* Copyright 2017, Cypress Semiconductor Corporation.  All rights reserved.
+* You may use this file only in accordance with the license, terms, conditions,
+* disclaimers, and limitations in the end user license agreement accompanying
+* the software package with which this file was provided.
+*******************************************************************************/
+
+#include "ias.h"
+
+
+/* IAS alert level value */
+volatile uint8_t alertLevel = 0;
+
+/******************************************************************************
+* Function Name: IasInit
+*******************************************************************************
+*
+* Summary:
+*   Registers the IAS CallBack.
+*
+******************************************************************************/
+void IasInit(void)
+{
+    Cy_BLE_IAS_RegisterAttrCallback(IasEventHandler);
+}
+
+
+/*******************************************************************************
+* Function Name: IasEventHandler
+********************************************************************************
+*
+* Summary:
+*  This is an event callback function to receive events from the BLE Component,
+*  which are specific to Immediate Alert Service.
+*
+* Parameters:
+*   event:       Write Command event from the BLE component.
+*   eventParams: A structure instance of CY_BLE_GATT_HANDLE_VALUE_PAIR_T type.
+*
+*******************************************************************************/
+void IasEventHandler(uint32 event, void *eventParam)
+{
+    (void) eventParam;
+    uint8_t alert;
+    
+    /* Alert Level Characteristic write event */
+    if(event == CY_BLE_EVT_IASS_WRITE_CHAR_CMD)
+    {
+        /* Read the updated Alert Level value from the GATT database */
+        Cy_BLE_IASS_GetCharacteristicValue(CY_BLE_IAS_ALERT_LEVEL, sizeof(alert), &alert);
+        alertLevel = alert;
+    }   
+}
+
+
+/* [] END OF FILE */