Diff: main.cpp

Revision:

6:11e7e28869cd

Parent:

5:95238da08cee

--- a/main.cpp	Sat May 20 15:29:47 2017 +0000
+++ b/main.cpp	Thu Jul 12 16:20:59 2018 +0000
@@ -1,26 +1,27 @@
 /*
-
+ 
 Copyright (c) 2012-2014 RedBearLab
-
+ 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
 and associated documentation files (the "Software"), to deal in the Software without restriction, 
 including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 
 and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, 
 subject to the following conditions:
 The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
-
+ 
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
 INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 
 PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE 
 FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
+ 
 */
-
+ 
 /*
  *    The application works with the BlueJelly.js
  *
- *    http://jellyware.jp/ 
+ *    http://jellyware.jp/kurage/
+ *    https://github.com/electricbaka/bluejelly
  *
  */
  
@@ -32,59 +33,64 @@
 //------------------------------------------------------------ 
 #include "mbed.h"
 #include "ble/BLE.h"
-
-
+ 
+ 
 //------------------------------------------------------------
 //Definition
 //------------------------------------------------------------ 
 #define TXRX_BUF_LEN 20                     //max 20[byte]
 #define DEVICE_LOCAL_NAME "BlueJelly"     
-#define ADVERTISING_INTERVAL 160            //160 * 0.625[ms] = 100[ms]
-#define TICKER_TIME 200000                  //200000[us] = 200[ms]
+#define ADVERTISING_INTERVAL 160            //160 * 0.625[ms] = 100[ms] 
+#define TICKER_TIME 1000                    //1000[us] = 1[ms]
 #define DIGITAL_OUT_PIN P0_9
-#define ANALOG_IN_PIN   P0_4
+#define ANALOG_IN_PIN1 P0_4
+ 
+//HeartRate
+int timer_num = 0;
+int threshold_v = 650;
+int threshold_t = 300;  
 
-
+ 
 //------------------------------------------------------------
 //Object generation
 //------------------------------------------------------------ 
-BLE ble;
+BLE blenano;
 DigitalOut      LED_SET(DIGITAL_OUT_PIN);
-AnalogIn        ANALOG(ANALOG_IN_PIN);
-
-
+AnalogIn        ANALOG1(ANALOG_IN_PIN1);
+ 
+ 
 //------------------------------------------------------------
 //Service & Characteristic Setting
 //------------------------------------------------------------ 
 //Service UUID
 static const uint8_t base_uuid[] = { 0x71, 0x3D, 0x00, 0x00, 0x50, 0x3E, 0x4C, 0x75, 0xBA, 0x94, 0x31, 0x48, 0xF1, 0x8D, 0x94, 0x1E } ;
-
+ 
 //Characteristic UUID
 static const uint8_t tx_uuid[]   = { 0x71, 0x3D, 0x00, 0x03, 0x50, 0x3E, 0x4C, 0x75, 0xBA, 0x94, 0x31, 0x48, 0xF1, 0x8D, 0x94, 0x1E } ;
 static const uint8_t rx_uuid[]   = { 0x71, 0x3D, 0x00, 0x02, 0x50, 0x3E, 0x4C, 0x75, 0xBA, 0x94, 0x31, 0x48, 0xF1, 0x8D, 0x94, 0x1E } ;
-
+ 
 //Characteristic Value
 uint8_t txPayload[TXRX_BUF_LEN] = {0,};
 uint8_t rxPayload[TXRX_BUF_LEN] = {0,};
-
+ 
 //Characteristic Property Setting etc
 GattCharacteristic  txCharacteristic (tx_uuid, txPayload, 1, TXRX_BUF_LEN, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ);
 GattCharacteristic  rxCharacteristic (rx_uuid, rxPayload, 1, TXRX_BUF_LEN, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY| GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ);
 GattCharacteristic *myChars[] = {&txCharacteristic, &rxCharacteristic};
-
+ 
 //Service Setting
 GattService         myService(base_uuid, myChars, sizeof(myChars) / sizeof(GattCharacteristic *));
-
-
+ 
+ 
 //======================================================================
 //onDisconnection
 //======================================================================
 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
 {
-    ble.startAdvertising();
+    blenano.startAdvertising();
 }
-
-
+ 
+ 
 //======================================================================
 //onDataWritten
 //======================================================================
@@ -95,7 +101,7 @@
     
     if (Handler->handle == txCharacteristic.getValueAttribute().getHandle()) 
     {
-        ble.readCharacteristicValue(txCharacteristic.getValueAttribute().getHandle(), buf, &bytesRead);
+        blenano.readCharacteristicValue(txCharacteristic.getValueAttribute().getHandle(), buf, &bytesRead);
         memset(txPayload, 0, TXRX_BUF_LEN);
         memcpy(txPayload, buf, TXRX_BUF_LEN); 
        
@@ -105,26 +111,17 @@
             LED_SET = 0;
     }
 }
-
-
+ 
+ 
 //======================================================================
 //onTimeout
 //======================================================================
 void m_status_check_handle(void)
 {   
-    uint8_t buf[2];
-
-    //Read Analog port
-    float s = ANALOG;
-    uint16_t value = s*1024; 
-    buf[0] = (value >> 8);
-    buf[1] = value;
-    
-    //Send out
-    ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, 2); 
+    timer_num ++;
 }
-
-
+ 
+ 
 //======================================================================
 //convert reverse UUID
 //======================================================================
@@ -135,58 +132,80 @@
     for(i=0;i<16;i++)
         dst[i] = src[15 - i];
 }
-
-
+ 
+ 
 //======================================================================
 //main
 //======================================================================
 int main(void)
 {
     uint8_t base_uuid_rev[16];
-
+ 
     //Timer Setting [us]
     Ticker ticker;
     ticker.attach_us(m_status_check_handle, TICKER_TIME);
     
     //BLE init
-    ble.init();
+    blenano.init();
     
     //EventListener
-    ble.onDisconnection(disconnectionCallback);
-    ble.onDataWritten(WrittenHandler);  
-
+    blenano.onDisconnection(disconnectionCallback);
+    blenano.onDataWritten(WrittenHandler);  
+ 
     //------------------------------------------------------------
     //setup advertising 
     //------------------------------------------------------------
     //Classic BT not support
-    ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
+    blenano.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
     
     //Connectable to Central
-    ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
+    blenano.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
     
     //Local Name
-    ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME,
+    blenano.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME,
                                     (const uint8_t *)DEVICE_LOCAL_NAME, sizeof(DEVICE_LOCAL_NAME) - 1);
     
     //GAP AdvertisingData                                
     reverseUUID(base_uuid, base_uuid_rev);  
-    ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS,
+    blenano.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS,
                                     (uint8_t *)base_uuid_rev, sizeof(base_uuid));
                                     
     //Advertising Interval 
-    ble.setAdvertisingInterval(ADVERTISING_INTERVAL);
-
+    blenano.setAdvertisingInterval(ADVERTISING_INTERVAL);
+ 
     //Add Service
-    ble.addService(myService);
+    blenano.addService(myService);
     
     //Start Advertising
-    ble.startAdvertising(); 
+    blenano.startAdvertising(); 
     
     //------------------------------------------------------------
     //Loop
     //------------------------------------------------------------
+    int timer_ms;
+    
     while(1)
     {
-        ble.waitForEvent(); 
+        blenano.waitForEvent(); 
+        
+        float s = ANALOG1;
+        uint16_t value = s * 1024;
+                        
+        //---------------------------------------------------------------------------------------------       
+        //Detect HeartRate Peak
+        //--------------------------------------------------------------------------------------------- 
+        timer_ms = TICKER_TIME/1000 * timer_num;
+        if(value >= threshold_v && timer_ms > threshold_t)
+        {    
+            //clear timer_num
+            timer_num = 0;                
+            
+            uint8_t buf[2];
+            buf[0] = (timer_ms >> 8);
+            buf[1] = timer_ms;
+            
+            //Send out
+            blenano.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, 2);    
+        }       
     }
 }
\ No newline at end of file