File content as of revision 4:2aefa62bdce5:

/* 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.h"
 
BLE        ble;
BLE        ble_Scan;
DigitalOut led1(LED1);

// Change your device name below
const char DEVICE_NAME[] = "Nucleo_test";
 
// Control Beacon read
static int beacon = 0; 
void periodicCallback(void)
{
    led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */
}
 
void advertisementCallback(const Gap::AdvertisementCallbackParams_t *params) { 

if (params->peerAddr[0] == 0xB2) {
    
    if (abs(params->rssi) <= 60) {
    
    printf("Beacon_1: [%02x %02x %02x %02x %02x %02x] rssi %d\r\n",
           params->peerAddr[5], params->peerAddr[4], params->peerAddr[3], params->peerAddr[2], params->peerAddr[1], params->peerAddr[0],
           params->rssi);
    
    beacon = 1; 
    }      
}
    
if (params->peerAddr[0] ==  0xA8) {
    
    if (abs(params->rssi) <= 60) {          // Beacon 2 necessita di una soglia di vicinanza più alta  
    printf("Beacon_2: [%02x %02x %02x %02x %02x %02x] rssi %d\r\n",
         params->peerAddr[5], params->peerAddr[4], params->peerAddr[3], params->peerAddr[2], params->peerAddr[1], params->peerAddr[0],
         params->rssi);
    
    beacon = 2; 
    }
}
           
if (params->peerAddr[0] == 0x46) {
    
    if (abs(params->rssi) <= 60) {
    printf("Beacon_3: [%02x %02x %02x %02x %02x %02x] rssi %d\r\n",
         params->peerAddr[5], params->peerAddr[4], params->peerAddr[3], params->peerAddr[2], params->peerAddr[1], params->peerAddr[0],
         params->rssi);
         
    beacon = 3;
    }
}  
    
}

/* Optional: Restart advertising when peer disconnects */
void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
{
    BLE::Instance().gap().startAdvertising();
}

 void bleInitComplete(BLE::InitializationCompleteCallbackContext *context)
{   
    // Set up the advertising flags. Note: not all combination of flags are valid
    // BREDR_NOT_SUPPORTED: Device does not support Basic Rate or Enchanced Data Rate, It is Low Energy only.
    // LE_GENERAL_DISCOVERABLE: Peripheral device is discoverable at any moment
    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);

    // Put the device name in the advertising payload
    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
      
    /* Optional: add callback for disconnection */
    ble.gap().onDisconnection(disconnectionCallback);
    
    // The Service Data data type consists of a service UUID with the data associated with that service.
    // We will encode the number of beacon received
    //uint8_t service_data[3];
    //service_data[0] = MajorID & 0xff;
    //service_data[1] = MinorID & 0xff;
    //service_data[2] = TXPOWER & 0xff;
    //err = ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::SERVICE_DATA, (uint8_t *)service_data, sizeof(service_data));
    //if (err != BLE_ERROR_NONE) {
    //    print_error(err, "Setting service data failed");
    //    return;
    //}    
  
    // It is not connectable as we are just boardcasting
    ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED);

    //Send out the advertising payload every 1000ms
    ble.gap().setAdvertisingInterval(1000);

    //ble.gap().startAdvertising();

}

void bleScanInitComplete(BLE::InitializationCompleteCallbackContext *context) {
            
            ble_Scan.gap().setScanParams(100 /* scan interval */, 50 /* scan window */, 1);
            
}

//extern "C" void mbed_reset();
 
 
int main(void)
{
    led1 = 1;
    Ticker ticker;
    ticker.attach(periodicCallback, 1);
    
     BLE &ble = BLE::Instance();
     BLE &ble_Scan = BLE::Instance();
 
    //ble.init(bleInitComplete);
    //ble_Scan.init();

    //ble_Scan.gap().setScanParams(100 /* scan interval */, 50 /* scan window */, 1);
    //ble_Scan.gap().startScan(advertisementCallback);
    //ble.gap().startAdvertising();

int stato = 1; 

     /* Infinite loop waiting for BLE events */
     while (true) {   
     switch (stato) {
      case(0):
             //BLE &ble = BLE::Instance();
           printf("Advertising stato 0\r\n");
           //ble.gap().stopScan();
           ble.init(bleInitComplete);
           ble.gap().startAdvertising();
           wait(10);
           ble.gap().stopAdvertising();
           wait(1);
           stato = 1;
           NVIC_SystemReset();
           break;
     case(1): 
             //BLE &ble_Scan = BLE::Instance();
           ble_Scan.init(bleScanInitComplete);
           printf("Scan stato 1\r\n");
           //ble.gap().stopAdvertising();
           //ble_Scan.gap().setScanParams(100 /* scan interval */, 50 /* scan window */, 1);
           ble_Scan.gap().startScan(advertisementCallback);
           wait(5);
           //ble_Scan.gap().stopScan();
          stato = 0;
          
          break;
          }
        
        /* Save power while waiting for callback events */
       ble.waitForEvent();
        ble_Scan.waitForEvent();
       }
}