Diff: main.cpp

Revision:

22:d467526abc4a

Parent:

21:0e7c08f5386f

Child:

23:2e73c391bb12

diff -r 0e7c08f5386f -r d467526abc4a main.cpp
--- a/main.cpp	Wed Oct 05 09:16:58 2016 +0000
+++ b/main.cpp	Sun Dec 18 05:33:58 2016 +0000
@@ -1,108 +1,111 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2006-2015 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 <mbed.h>
+#include "ble/BLE.h"
+#include "bricks.h"
 
-#include "mbed.h"
-#include "ble/BLE.h"
-#include "ble/services/HeartRateService.h"
-
-DigitalOut led1(LED1, 1);
-
-const static char     DEVICE_NAME[]        = "HRM1";
-static const uint16_t uuid16_list[]        = {GattService::UUID_HEART_RATE_SERVICE};
+//==============================================================================
+// Custom Service Definition
+//==============================================================================
 
-static volatile bool  triggerSensorPolling = false;
+   typedef union Buffer
+           {
+              uint8_t ubuf[10];
+              char    cbuf[10];
+              uint8_t byte;
+              uint16_t word16;
+              uint32_t word32;
+              int     i;
+              double  d;
+              float   f;
+           } Buffer;
+           
+//   Service svc(0xA000);                    // setup GATT service,   UUID 0xA000
+//   Characteristic  a(svc,0xA001,"r");      // characteristic A with UUID 0xA001
+//   Characteristic  x(svc,0xA002,"w");      // characteristic X with UUID 0xA002
+//   Characteristic  y(svc,0xA003,"w");      // characteristic Y with UUID 0xA003
+  
+   static Buffer adata[1];
+   ReadOnlyArrayGattCharacteristic<Buffer,1> a(0xA001, adata);
 
-void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
-{
-    (void)params;
-    BLE::Instance().gap().startAdvertising(); // restart advertising
-}
+   static Buffer xdata[1];
+   WriteOnlyArrayGattCharacteristic<Buffer,1> x(0xA002, xdata);  
 
-void periodicCallback(void)
-{
-    led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */
-    /* Note that the periodicCallback() executes in interrupt context, so it is safer to do
-     * heavy-weight sensor polling from the main thread. */
-    triggerSensorPolling = true;
-}
+   static Buffer ydata[1];
+   WriteOnlyArrayGattCharacteristic<Buffer,1> y(0xA002, ydata);  
+   
+   GattCharacteristic *characteristics[] = {&a,&x,&y};
+   GattService service(0xA000, characteristics, sizeof(characteristics) / sizeof(GattCharacteristic *));
+    
+//==============================================================================
+// Some Callbacks
+//==============================================================================
 
-void onBleInitError(BLE &ble, ble_error_t error)
-{
-    (void)ble;
-    (void)error;
-   /* Initialization error handling should go here */
-}
+   void onWritten(Blob &blue)          // Handle writes to writeCharacteristic
+   {
+      const GattWriteCallbackParams *p = blue.pWritten;
+    
+         // Check to see what characteristic was written, by handle
+    
+      if(p->handle == x.getValueHandle())
+         blink("x x x xxx x      ",CONNECTED);
+      else if(p->handle == y.getValueHandle())
+         blink("x x x xxx xxx x      ",CONNECTED);
 
-void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
-{
-    BLE&        ble   = params->ble;
-    ble_error_t error = params->error;
+        // Update the readChar with the value of writeChar
 
-    if (error != BLE_ERROR_NONE) {
-        onBleInitError(ble, error);
-        return;
-    }
+      //blue.pble->gattServer().write(a.getValueHandle(), p->data, p->len);
+      blue.gatt().write(a.getValueHandle(), p->data, p->len);
+   }
+
 
-    if (ble.getInstanceID() != BLE::DEFAULT_INSTANCE) {
-        return;
-    }
+   void onConnect(Blob &blue)          // Connection Callback
+   {
+      blink("x x x   ",CONNECTED);                // indicate advertising
+   }
 
-    ble.gap().onDisconnection(disconnectionCallback);
 
-    /* Setup primary service. */
-    uint8_t hrmCounter = 60; // init HRM to 60bps
-    HeartRateService hrService(ble, hrmCounter, HeartRateService::LOCATION_FINGER);
+   void onDisconnect(Blob &blue)       // Disconnection Callback
+   {
+      blue.start();                    // start advertising on client disconnect
+      blink(ADVERTISE);                // indicate advertising
+   }
+
 
-    /* Setup advertising. */
-    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
-    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
-    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::GENERIC_HEART_RATE_SENSOR);
-    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
-    ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
-    ble.gap().setAdvertisingInterval(1000); /* 1000ms */
-    ble.gap().startAdvertising();
+   void onError(Blob &blue)            // Error Reporting Callback
+   {
+      (void) blue;                     // Avoid compiler warnings    
+      blink(FAULT);                    // indicate advertising
+   }    
+
 
-    // infinite loop
-    while (true) {
-        // check for trigger from periodicCallback()
-        if (triggerSensorPolling && ble.getGapState().connected) {
-            triggerSensorPolling = false;
-
-            // Do blocking calls or whatever is necessary for sensor polling.
-            // In our case, we simply update the HRM measurement.
-            hrmCounter++;
-
-            //  60 <= HRM bps <= 100
-            if (hrmCounter == 100) {
-                hrmCounter = 60;
-            }
+   void onSetup(Blob &blue)            // Immediately After Initializing BLE 
+   {
+      blue.device("nRF51-DK");         // setup device name
+      blue.data("ABCDEF");             // setup advertising data
+      blue.name("T06.0 Custom GATT");  // setup advertising name
 
-            // update bps
-            hrService.updateHeartRate(hrmCounter);
-        } else {
-            ble.waitForEvent(); // low power wait for event
-        }
-    }
-}
+      blue.onConnect(onConnect);       // setup connection callback
+      blue.onDisconnect(onDisconnect); // setup disconnection callback
+      blue.onWritten(onWritten);       // setup data written callback
+      
+      //blue.service(svc);               // setup custom service
+      blue.service(service);           // setup custom service
+      
+      blue.advertise("C:ng",100);      // start advertising @ 100 msec interval
+      blink(ADVERTISE);                // show that board is advertising
+   }
 
-int main(void)
-{
-    Ticker ticker;
-    ticker.attach(periodicCallback, 1); // blink LED every second
+//==============================================================================
+// Main Program
+//==============================================================================
+
+   int main(void)
+   {
+      blink(IDLE);                      // idle blinking - just started!
 
-    BLE::Instance().init(bleInitComplete);
-}
+      Blob blue;                        // declare a blob (BLe OBject)
+      blue.init(onSetup,onError);       // init BLE base layer, always do first
+      
+      while (true)                      // Infinite loop waiting for BLE events
+         blue.sleep();                  // low power waiting for BLE events 
+   }