File content as of revision 0:477ffc11d92b:

/*

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/ 
 *
 */

//======================================================================
//Grobal
//====================================================================== 
//------------------------------------------------------------
//Include Header Files
//------------------------------------------------------------ 
#include "mbed.h"
#include "ble/BLE.h"
#include "ADT7410.h"

//------------------------------------------------------------
//Definition
//------------------------------------------------------------ 
#define TXRX_BUF_LEN 20                     //max 20[byte]
#define DEVICE_LOCAL_NAME "ADT7410 Temperature"  //Change Device name   
#define ADVERTISING_INTERVAL 160            //160 * 0.625[ms] = 100[ms]
#define DIGITAL_OUT_PIN P0_29

//------------------------------------------------------------
//Object generation
//------------------------------------------------------------ 
BLE blenano;
DigitalOut      LED_SET(DIGITAL_OUT_PIN);

//I2C Pin setting P0_4=SDA, P0_5=SCL
ADT7410 temp(P0_5, P0_4, 0x90, 10000);


//------------------------------------------------------------
//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)
{
    blenano.startAdvertising();
}


//======================================================================
//convert reverse UUID
//======================================================================
void reverseUUID(const uint8_t* src, uint8_t* dst)
{
    int i;

    for(i=0;i<16;i++)
        dst[i] = src[15 - i];
}


//======================================================================
//main
//======================================================================
int main(void)
{
    uint8_t base_uuid_rev[16];

    //BLE init
    blenano.init();

    //EventListener
    blenano.onDisconnection(disconnectionCallback);
    //blenano.onDataWritten(WrittenHandler);  

    //------------------------------------------------------------
    //setup advertising 
    //------------------------------------------------------------
    //Classic BT not support
    blenano.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);

    //Connectable to Central
    blenano.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);

    //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);  
    blenano.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS,
                                    (uint8_t *)base_uuid_rev, sizeof(base_uuid));

    //Advertising Interval 
    blenano.setAdvertisingInterval(ADVERTISING_INTERVAL);

    //Add Service
    blenano.addService(myService);

    //Start Advertising
    blenano.startAdvertising(); 

    uint8_t buf[2];
    float tempadt;

    // reset sensor to default values
    temp.reset();

    // reduce sample rate to save power
    temp.setConfig(ONE_SPS_MODE);   

    //------------------------------------------------------------
    //Loop
    //------------------------------------------------------------
    while(1)
    {
        // get temperature every 10 seconds
        tempadt = temp.getTemp();

        int16_t value0 = tempadt;                   //Get integer value
        int16_t value1 = (tempadt - value0)*100;    //Get decimal value
        buf[0] = value0;
        buf[1] = value1;

        //Send out
        blenano.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, 2);

        blenano.waitForEvent(); 

        wait(1);
    }
}