Diff: ALARMService.h

Revision:

0:027b7829b46a

diff -r 000000000000 -r 027b7829b46a ALARMService.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ALARMService.h	Fri Jan 19 02:38:38 2018 +0000
@@ -0,0 +1,57 @@
+#ifndef __BLE_ALARM_SERVICE_H__
+#define __BLE_ALARM_SERVICE_H__
+
+#include "mbed.h"
+#include "ble/BLE.h"
+#include "ble/Gap.h"
+#include "ImobStateService.h"
+
+class ALARMService {
+public:
+    const static uint16_t ALARM_SERVICE_UUID = 0xE000;
+    const static uint16_t ALARM_STATE_CHARACTERISTIC_UUID = 0xE001;
+
+    ALARMService(BLEDevice &_ble) : 
+        ble(_ble),
+        alarmState(0), 
+        AlarmCharacteristic(ALARM_STATE_CHARACTERISTIC_UUID, &alarmState, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY)
+    {
+        GattCharacteristic *charTable[] = {&AlarmCharacteristic};
+        GattService alarmService(ALARM_SERVICE_UUID, charTable, sizeof(charTable) / sizeof(GattCharacteristic *));
+
+        ble.addService(alarmService);
+
+        ble.gattServer().onDataWritten(this, &ALARMService::onDataWritten);
+    }
+
+    GattAttribute::Handle_t getValueHandle() const 
+    {
+        return AlarmCharacteristic.getValueHandle();
+    }
+    
+    void updateAlarmState(uint8_t newAlarmState) {
+        alarmState = newAlarmState;
+        ble.gattServer().write(AlarmCharacteristic.getValueHandle(), &alarmState, 1);
+    }
+    
+protected:
+    
+    virtual void onDataWritten(const GattWriteCallbackParams *params)
+    {          
+        if ((params->handle == AlarmCharacteristic.getValueHandle()) && (params->len == 1) && authenticated)
+        {
+            updateAlarmState(*(params->data));
+        }
+        else
+            updateAlarmState(0);
+    }     
+
+private:
+    
+    BLEDevice &ble;
+    uint8_t alarmState;
+    
+    ReadWriteGattCharacteristic<uint8_t> AlarmCharacteristic;
+};
+
+#endif /* #ifndef __BLE_RELAY_SERVICE_H__ */
\ No newline at end of file