User's Manual
Table Of Contents
- 1. Introduction
- 2. Development Environment
- 2.1. Operating Systems
- 2.2. OpenWrt Introduction
- 2.3. Network Environment
- 2.4. System Configuration
- 2.4.1. Accessing Web UI
- 2.4.2. Accessing System Console
- 2.4.3. Using SSH (Secure Socket Shell)
- 2.4.4. Using Serial to USB Cable
- 2.4.5. Upgrading Firmware
- 2.4.6. Upgrading bootloader
- 2.4.7. Wi-Fi Reset
- 2.4.8. Factory Reset
- 2.4.9. Connecting LinkIt Smart 7688 To a network with Wi-Fi Access Point
- 2.4.10. Open a system console and enter the following commands to change LinkIt Smart 7688 to station mode ( For more information on system console, please see 2.4.1 “Accessing Web UI
- 2.4.11. Viewing System Information from the Web UI
- 2.5. Accessing the USB drive and the SD card
MediaTek LinkIt™ Smart 7688 User Manual
Note: Performing firmware upgrade will remove all user data from the
development board.
Using USB drive :
1) Save the firmware file (lks7688.img) in the root directory
of a USB drive. You can download the latest firmware from
MediaTek Labs website.
2) Plug the USB drive to LinkIt Smart 7688.
3) Press the Wi-Fi and MPU (Reset) button at the same time,
then release the MPU Reset button only but hold the Wi-Fi
button for at least 5 seconds (Wi-Fi LED will turn off) and
release. Warning: Do not press the Wi-Fi button for longer
than 20s or it will enter boot loader mode.
4) LinkIt Smart 7688 will start to read the firmware image (Wi-
Fi LED blinks fast) and perform the firmware upgrade process
(Wi-Fi LED blinks slowly). It takes about 3 minutes to
finish the firmware upgrade process.
2.4.6. Upgrading bootloader
Warning: Do not disconnect the power source or unplug the USB drive during
bootloader upgrading process, or else the data in flash will be damaged and
you will not be able to boot up again.
This section describes how to upgrade the bootloader.
Please follow these steps:
1) Save the bootloader file (
lks7688.ldr) in the root directory
of a USB drive and name it
lks7688.ldr you can download the
latest bootloader from MediaTek Labs website.
2) Plug the USB drive to LinkIt Smart LinkIt Smart 7688 HDK.
3) Press the Wi-Fi and MPU (Reset) button at the same time,
then release the MPU Reset button only but hold the Wi-Fi
button for at least 20 seconds (after 20s Wi-Fi LED will
turn on)and release.
4) LinkIt Smart 7688 development board will start to read the
bootloader (Wi-Fi LED blinks fast) and perform the
bootloader upgrade process (Wi-Fi LED blinks slowly). It
takes 2 seconds to finish the bootloader upgrade process.
2.4.7. Wi-Fi Reset
Press the Wi-Fi Reset button for at least 5 seconds and release. The device
will go into AP mode.
2.4.8. Factory Reset
This section describes how to do factory reset on LinkIt Smart 7688
development board. Factory reset will erase all user data from the board,
so proceed with caution. Choose from one of the following two ways to
perform factory reset.
Using Web UI
© 2015, 2016 MediaTek Inc.
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