MEDIATEK LinkIt Smart 7688 Duo Get Started Manual Download Page 1

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This document contains information that is proprietary to MediaTek Inc.

Unauthorized reproduction of this information in whole or in part is strictly prohibited.

MediaTek LinkIt™ Smart 7688 Duo Get

Started Guide

Version:

0.92 Closed Beta

Release date:

November 2015

Specifications are subject to change without notice.

Summary of Contents for LinkIt Smart 7688 Duo

Page 1: ...rietary to MediaTek Inc Unauthorized reproduction of this information in whole or in part is strictly prohibited MediaTek LinkIt Smart 7688 Duo Get Started Guide Version 0 92 Closed Beta Release date...

Page 2: ...Page 2 of 27 This document contains information that is proprietary to MediaTek Inc Unauthorized reproduction or disclosure of this information in whole or in part is strictly prohibited Document Revi...

Page 3: ...nkIt Smart 7688 development boards Web UI 6 1 3 Update Your Board s Firmware 10 1 4 Access the LinkIt Smart 7688 System Console through SSH 13 1 5 Run the Blink Example 15 The Wi Fi LED on LinkIt Smar...

Page 4: ...g firmware file and start upgrade 12 Figure 8 Firmware version 12 Figure 9 SSH access using Windows 13 Figure 10 PuTTY Security Warning 14 Figure 11 System console window 14 Figure 12 Change networkin...

Page 5: ...start please make sure you ve the following items ready A computer with Wi Fi An access point that is connected to the Internet The AP should have either open access requires no password or WPA WPA2...

Page 6: ...the next step sign into the board s Web UI 1 2 Sign into the LinkIt Smart 7688 Duo development boards Web UI Now power up your board connect a USB power source or your PC to it and open the board s W...

Page 7: ...the system is ready to accept a Wi Fi connection Figure 2 shows how the Wi Fi LED status matches the system state Figure 2 Wi Fi LED Status Step 2 Connect your PC to the LinkIt_Smart_7688_XXXXXX AP O...

Page 8: ...hree times per second after you ve connected to the LinkIt_Smart_7688_XXXXXX AP If you have multiple LinkIt Smart 7688 Duo boards power only one of them to prevent a name collision An alternative is t...

Page 9: ...or in part is strictly prohibited Figure 4 LinkIt Smart 7688 in AP mode You ll learn how to connect LinkIt Smart 7688 Duo to the Internet in later steps But first you need to configure the board Step...

Page 10: ...a USB drive to upgrade the firmware or press and hold the Wi Fi button for at least 20 seconds and release to return the board to the factory defaults Keep in mind if you use either of these methods...

Page 11: ...Smart 7688 SDT 1 The latest LinkIt Smart 7688 SDT from the MediaTek Labs website includes the firmware bootloader and toolchain you need to develop applications for LinkIt Smart 7688 Duo Download and...

Page 12: ...r about 3 minutes firmware upgrading then the board will restart and the LED lights on for about 30 seconds rebooting Finally the board enters AP mode and is ready to be connected 6 Find the LinkIt_Sm...

Page 13: ...the LinkIt Smart 7688 Duo System Console through SSH LinkIt Smart 7688 Duo system console enables you to enter text commands and get system administration messages Quick steps Open your terminal emul...

Page 14: ...s strictly prohibited 2 A Security Alert window will pop up as shown below this happens when you use PuTTY for the first time or after upgrading firmware or bootloader or use a different board Click Y...

Page 15: ...your first example on the LinkIt Smart 7688 development board This example switches the board s Wi Fi LED on and off every half second Quick steps Execute the example in system console Watch the LED b...

Page 16: ...it needs to join another network that has an access point connected to the Internet and to do that the board needs to be in Station mode Quick steps Connect LinkIt Smart 7688 Duo to a Wi Fi Access Poi...

Page 17: ...for at least 5 seconds and release this allows you to redo Station mode in the network settings again Figure 13 Changing to Station mode in Web UI After you ve switched to Station mode the Wi Fi LED s...

Page 18: ...LinkIt Smart 7688 Duo with mylinkit local domain again through SSH as before Step 4 Check for Internet connection Now check if you ve established Internet connection by typing the following command in...

Page 19: ...rd support package Next Install the COM port driver Step by step Step 1 Install Arduino IDE The Arduino IDE provides your coding environment and is used for monitoring the development board LinkIt Sma...

Page 20: ...on in whole or in part is strictly prohibited Figure 16 Board Manager URL 2 Make sure your computer is connected to the Internet 3 In the Arduino Tools menu point to Board then click Boards Manager as...

Page 21: ...ached json file The location of the cached json file is the same as the location of the preferences txt file It can be found in the Arduino IDE under the File menu by clicking Preferences Figure 18 Er...

Page 22: ...part is strictly prohibited Figure 20 LinkIt Smart 7688 board package installed 6 You now have the LinkIt Smart 7688 installed on Arduino IDE as shown in Figure 21 Figure 21 LinkIt Smart 7688 Board i...

Page 23: ...USB cable to the Power MCU connector of the LinkIt Smart 7688 Duo and the other end of the cable to a computer Step 2 Check the USB serial COM port in device manager Open the device manager and check...

Page 24: ...d select install A security windows will open as shown in Figure 23 click Install this driver software anyway This completes the driver installation Figure 23 Driver installation security warning For...

Page 25: ...will change the status of the D13 LED on the board Quick steps Upload an Arduino sketch to LinkIt Smart 7688 Duo Create a Python program and run it Watch the D13 LED blink Next What s next Step by st...

Page 26: ...duo py 3 Copy the below example to the editor of blink_on_duo py import serial import time s None def setup global s open serial COM port to dev ttyS0 which maps to UART0 D0 D1 the baudrate is set to...

Page 27: ...7688 Duo from the following links 3 1 LinkIt Smart 7688 Developer s Guide This document provides you with detailed information on the LinkIt Smart 7688 development board SDK tools introduction to Ope...

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