The new MediaTek LinkIt™ Development Platform for RTOS is based on ARM Cortex-M4 MCU architecture and provides leading features for the creation of connected appliances, home and office automation devices, smart gadgets, and IoT bridges. Supporting a range of chipsets (initially the MediaTek MT7687F), LinkIt for RTOS offers the convenience of a single toolset and common API implemented over a popular RTOS. With this you can achieve economies across a full range of consumer and business IoT devices. The platform consists of a Software Development Kit (SDK), Hardware Development Kits (HDKs), including modules from supply chain partners, and related technical documentation. The first release of the platform supports the MediaTek MT7687F Wi-Fi SOC which has a 192 MHz MCU, 1×1 802.11b/g/n Wi-Fi subsystem, integrated security engine (AES and 3DES/SHA), embedded SRAM/ROM and 2MB flash. The new platform uses FreeRTOS with open-source modules for TCP/IP, SSL/TLS, HTTP (client and server), SNTP, DHCP daemon, MQTT, XML and JSON. Development and debugging is supported by free command line tools, plus a KEIL plug-in.

1. Philip Handschin
TechnicalConsultant
The new MediaTek
LinkIt™ Development
Platform for RTOS

2. Topics
2
WHAT IS MEDIATEK LABS
LinkIt Development platform for RTOS
LinkIt™ SDK V3
Key Facts about LinkIt 7687 HDK
Software Tools
Questions

3. MediaTek Labs
ADeveloper Centric Ecosystem
̶ Global program – free
to join
̶ Supporting developers:
̶ Device creation
̶ App development
̶ Services
̶ labs.mediatek.com

4. 2016-04-07Copyright © MediaTek Inc. All rights reserved. 4
Enabling Developer and Maker Success
̶ Dev resources
̶ Insights and inspiration
̶ Access to hardware
̶ SDKs for makers (Arduino),
professional developers (C/Eclipse)
and Linux (OpenWrt and Ubuntu)
̶ Technical support
̶ Peripherals (sensors, etc)
̶ Cloud management of
device data
̶ Developer advice & matchmaking
̶ Design, production &
go-to-market help
Go from idea to prototype to product

5. MediaTek LinkIt™ portfolio
Software and hardware development platforms for wearables & IoT
Copyright © MediaTek Inc. All rights reserved.
LinkIt Assist 2502
labs.mediatek.com/2502
̶ Wearable form factors
̶ For professional developers
(C/Eclipse)
LinkIt ONE
labs.mediatek.com/linkitone
̶ Unrivalled connectivity on a
single board
̶ For DIY & maker community
(Arduino)
LinkIt Connect 7681
labs.mediatek.com/7681
̶ The simple way to Wi-Fi enable
your devices
̶ For low-cost smart home or
office deployment
LinkIt Smart 7688
labs.mediatek.com/7688
̶ Open-source Wi-Fi platform for
a more connected world
̶ OpenWrt Linux, Python, Node.js,
Arduino

6. 2016-04-07Copyright © MediaTek Inc. All rights reserved. 6
Rapidly growingLinkItcommunity

7. Topics
7
What is MediaTek Labs
LINKIT DEVELOPMENT PLATFORM FOR RTOS
LinkIt™ SDK V3
Key Facts about LinkIt 7687 HDK
Software Tools
Questions

8. LinkIt Development platform for
RTOS
8
MediaTek SOC
Range of
MediaTek SOC
starting with
MT7687F
offering IoT
devices secure
Wi-Fi
connectivity
SDK & tools
GCC compiler
and Keil µVision
support,
flashing and pin
mux tools
RTOS & API
Optimized
RTOS and API
to take
advantage of
MediaTek SOC
features and
connected
peripherals
+ ++
HDK & modules
LinkIt and
compatible HDKs
for prototyping
and compatible
modules for
device
manufacture
labs.mediatek.com/rtos

9. Potential Applications
9
Home Appliance
Smart Gadget
7687
7687
Cloud

10. Topics
10
What is MediaTek Labs
LinkIt Development platform for RTOS
LINKIT SDK V3
Key Facts about 7687 HDK
Software Tools
Questions

11. SDK Features
11
▪ Same SDK for different SoC’s
▪ Based on FreeRTOS operating system
▪ Already including packages to help
development

12. FreeRTOS
12
▪ Market leading real time operating system
▪ Standard solution for microcontrollers
▪ Free and supported (open source)
▪ Used in commercial products

13. SDK architecture
13

14. Wi-Fi station features
14
Item Features
Standard 802.11 b/g/n station
Channel Channel 1~13
Personal Security Open, WEP-Open, WPA, WPA2
Enterprise Security N/A
Advanced AMPDU, Rx-Filter, DTIM

15. Wi-Fi AP features
15
Item Features
Standard 802.11 b/g/n Soft AP
Channel Channels 1 to 13
Personal Security Open, WEP-Open, WPA, WPA2
Support Clients 9 STAs (AP only mode)
Enterprise Security N/A

16. Network
16
Item Features
IP Stack IPv4 (LWIP)
TCP, UDP
ICMP
DHCP Client/Server
NETCONN
SOCKET
SNTP Simple Network Time Protocol
RFC4330
HTTP HTTP 1.1
Client (Post/Get)
HTTPS HTTP 1.1
Client (Post/Get)
SSL/TLS mbedTLS
Client, Server
SSL3.0, TLS1.0, 1.1, 1.2
MQTT
"light weight" messaging protocol for use
on top of the TCP/IP protocol.

17. Smart Connection
17
▪ Configure your IoT device via Smart Phone
▪ Securely broadcast
• SSID
• Password
▪ Device configures and
connects automatically
▪ Android example app 7687

18.  GPIO
 EINT
 PWM
 ADC
 UART
 SPI
 I2C
 I2S
 IR
Control GPIO and update pin-mux settings to apply functions to pins.
Set a callback function and receive alert from external interrupt.
Output a PWM signal with various frequencies and duty-cycles.
Convert analog input (usually a voltage) to a digital signal
Read data from and write data to the UART interface.
Read/write data through the SPI interface to master/slave SPI devices.
Read/write data through the I2C interface to slave I2C devices.
Read/write data through the I2S interface to I2S devices.
InfraRed. Send and receive an infrared signal.
SDK Features
Interface functions

19.  GPT
 RTC
 WDT
General Purpose Timer. Provides a timer callback.
Real-Time Clock. Keeps track of current time in sleep mode. Provides
an alarm callback.
Watchdog Timer. Tool to detect and recover from system
malfunctions.
SDK Features
Timerfunctions

20.  AES
 DES
 MD5
 SHA
Advanced Encryption Standard
Data Encryption Standard
Message-digest algorithm
Secure Hash Algorithm
SDK Features
Encryption functions

21. SDK Features
21
Please visit the following links for the detailed
API References
▪ Platform API Reference:
http://home.labs.mediatek.com/media/apis/rtos
▪ InternetMiddlewareAPIReference:
http://home.labs.mediatek.com/media/apis/internet/

22. Topics
22
What is MediaTek Labs
LinkIt Development platform for RTOS
LinkIt SDK V3
KEY FACTS ABOUT LINKIT 7687 HDK
Software Tools
Questions

23. MT7687 SOC
23

24. 24
MT7687
HighPerformance –LowPower-SecureWi-FiSOC
IrDA
UART x2
I2C x2
I2S
SPIM x1
SPIS x1
4-ch
ADC
GPIOs
2MB SiP
Flash
RTC
352KB
RAM
64KB
ROM
4Kb
eFuse
ARM
Cortex-M4F
SYS
CLK
Wi-Fi
PMU
3.3V
26/40/52MHz 32KHz
MT7687F
 ARM Cortex-M4F MCU (192 MHz)
 1x1 802.11b/g/n Wi-Fi subsystem designed for
power efficiency and robust connectivity
 Versatile peripheral connectivity, including
 UART
 I2C
 SPI
 I2S
 PWM,
 IrDA and auxiliary ADC
 Integrated security engine (AES and 3DES/SHA)
 Embedded SRAM/ROM and 2MB serial flash in
package
 8 x 8mm 68-pin QFN package

25. LINKIT 7687 HDK
25

26. LinkIt™ 7687 HDK by SAC
Highlights
26
 High integration with RF + MCU + Memory
 Support power consumption measurement to
optimize power usage
 Able to power by 2xAA batteries to design
portal Wi-Fi devices
▪ Integrate 4Kbit eFuse to store device specific
information and RF calibration data
▪ Low power mode with RTC

27. LinkIt™ 7687 HDK by SAC
Highlights (cont.)
27
▪ Security engine
▪ IR control Tx/Rx
▪ Module on board – Ready for mass production
▪ TLS (SSL) support for better wireless security

28. Topics
28
What is MediaTek Labs
LinkIt Development platform for RTOS
LinkIt SDK V3
Key Facts about LinkIt 7687 HDK
SOFTWARE TOOLS
Questions

29. Software Tools
29
▪ Two options for development
• ARM Keil µVision® IDE
• Command Line Toolchain

30. Command Line Toolchain
30
▪ GCC compiler for Linux
▪ Flash tool for Windows
▪ Easy PinMux Tool (Windows)
▪ Loads of example projects

31. Topics
31
What is MediaTek Labs
LinkIt Development platform for RTOS
LinkIt SDK V3
Key Facts about LinkIt 7687 HDK
Software Tools
QUESTIONS

32. Questions?
32
Download Resources:
labs.mediatek.com/rtos
MediaTek Cloud Sandbox:
labs.mediatek.com/mcs
Check the Forum:
labs.mediatek.com/forums

33. What’s Next ?
33
▪ April 21st, 2016 – [Webinar] Big Data and
IoT – the opportunities and the challenges
More Info
http://home.labs.mediatek.com/event/webinar-
series-big-data-and-iot-the-opportunities-and-the-
challenges/

34. Copyright © MediaTek Inc. All rights reserved.