Diff: main.cpp

Revision:

10:c3eef6f3686a

Parent:

9:7b3841a91548

--- a/main.cpp	Fri Oct 31 07:55:37 2014 +0000
+++ b/main.cpp	Sun Dec 14 21:37:03 2014 +0000
@@ -17,28 +17,36 @@
 #include "mbed.h"
 #include "BLEDevice.h"
 
+//To use LCD
+#include "uLCD_4DGL.h"
+
+//UART Primary Service
 #include "UARTService.h"
 
-#define NEED_CONSOLE_OUTPUT 1 /* Set this if you need debug messages on the console;
-                               * it will have an impact on code-size and power consumption. */
-
-#if NEED_CONSOLE_OUTPUT
-#define DEBUG(...) { printf(__VA_ARGS__); }
-#else
-#define DEBUG(...) /* nothing */
-#endif /* #if NEED_CONSOLE_OUTPUT */
+//Battery and DeviceInformation Auxilary Services
+#include "BatteryService.h"
+#include "DeviceInformationService.h"
 
 BLEDevice  ble;
 DigitalOut led1(LED1);
-DigitalOut led2(LED2);
-Timer timer;
+uLCD_4DGL uLCD(P0_9,P0_11,P0_1);
 
+//Using the standard GATT Service IDs.
+static const uint16_t uuid16_list[]        = {GattService::UUID_BATTERY_SERVICE,
+                                              GattService::UUID_DEVICE_INFORMATION_SERVICE};
+                                              
+//Used to access the defined in main UARTService object globally.
 UARTService *uartServicePtr;
 
+//Keeping a receive buffer to alter the data received.
+uint8_t DatatoSend[1000];
+
 void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason)
 {
-    DEBUG("Disconnected!\n\r");
-    DEBUG("Restarting the advertising process\n\r");
+    //Print the LCD messages.
+    uLCD.cls();
+    uLCD.printf("\n Disconnected.!!\n");
+    uLCD.printf("\n Restarting the advertising process.");
     ble.startAdvertising();
 }
 
@@ -46,8 +54,29 @@
 {
     if ((uartServicePtr != NULL) && (params->charHandle == uartServicePtr->getTXCharacteristicHandle())) {
         uint16_t bytesRead = params->len;
-        DEBUG("received %u bytes\n\r", bytesRead);
-        ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), params->data, bytesRead);
+
+        uLCD.cls();
+        uLCD.printf("Data Received.!!\n");
+        
+        for(int j=0;j<bytesRead;j++)
+        {
+            uLCD.printf(" %x\n",*((params->data)+j));
+            DatatoSend[j]=(*((params->data)+j))+1;
+        }
+        wait(1);
+        
+        ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), DatatoSend, bytesRead);
+
+        //Use the below statement for loopback.
+        //ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), params->data, bytesRead);
+        
+        uLCD.cls();
+        uLCD.printf("Data Sent.!!\n");
+        for(int j=0;j<bytesRead;j++)
+        {
+            uLCD.printf(" %x\n",DatatoSend[j]);
+        }
+        wait(1);
     }
 }
 
@@ -58,66 +87,50 @@
 
 int main(void)
 {
-    
-    
-    timer.start();
+    uLCD.reset();    
+    uLCD.printf("\n Hello...\n"); //Default Green on black text
+    uLCD.printf("\n Starting BLE-UART Demo...");
     
     led1 = 1;
     Ticker ticker;
     ticker.attach(periodicCallback, 1);
 
-    DEBUG("Initialising the nRF51822\n\r");
     ble.init();
     ble.onDisconnection(disconnectionCallback);
     ble.onDataWritten(onDataWritten);
 
-    /* setup advertising */
-    ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
+    /* Set up Primary service*/
+    UARTService uartService(ble);
+    uartServicePtr = &uartService;
+    
+    /* Setup auxiliary services. */
+    BatteryService           battery(ble);
+    DeviceInformationService deviceInfo(ble, "ARM", "Model1", "SN1", "hw-rev1", "fw-rev1", "soft-rev1");
+
+    /* Setup advertising */
+    ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
     ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
     ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME,
                                      (const uint8_t *)"BLE UART", sizeof("BLE UART") - 1);
-    ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS,
+    ble.accumulateAdvertisingPayload(GapAdvertisingData::INCOMPLETE_LIST_128BIT_SERVICE_IDS,
                                      (const uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed));
-
+    ble.accumulateAdvertisingPayload(GapAdvertisingData::INCOMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));                               
     ble.setAdvertisingInterval(160); /* 100ms; in multiples of 0.625ms. */
     ble.startAdvertising();
-
-    UARTService uartService(ble);
-    uartServicePtr = &uartService;
-
-
-    while (true) {
-        static unsigned long led2timer=timer.read_ms();
+    uLCD.text_width(1);
+    uLCD.text_height(1);
+    uLCD.color(GREEN);
+    
+    uLCD.cls();
+    uLCD.locate(0,2);
+    uLCD.printf("Started Advertising.!! \n");
+    wait(1);
         
-        if((unsigned long)timer.read_ms()-led2timer>1000UL)
-        {
-            led2timer=timer.read_ms();
-            led2=!led2;
-        }
+    while (true) {
         
-        
-        
+        uLCD.cls();
+        uLCD.locate(0,2);
+        uLCD.printf("\nWaiting to receive Data.\n");  
         ble.waitForEvent();
     }
 }
-
-//// Count the time to toggle a LED
-// 
-//#include "mbed.h"
-// 
-//Timer timer;
-//DigitalOut led(LED1);
-//int begin, end;
-// 
-//int main() {
-//    timer.start();
-//    
-//    while(true)
-//    {
-////    begin = timer.read_ms();
-//    led = !led;
-//    wait(1);
-////    end = timer.read_ms();
-////    printf("%d us\r\n", end - begin);
-//    }
-//}