User's Manual

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Table Of Contents

UPuTTYU provides Secure Socket Shell (SSH) access to the development board operating system.
# Install Bonjour Print Service (For Windows 7 only)
Steps:
Check if the setup takes effect:
In AP mode
In Station mode
- Step1: Type UCI commands to assign SSID, key, and encryption information for running Station mode
- Step 2: Restart the Wi-Fi driver for activating the configuration
- Step 3: Check for Internet connection
- Step1: type UCI command to disable Station mode
- Step 2: restart the Wi-Fi driver
- Step 1: Create lks7688.cfg file
- Step 2: Attach the USB Drive to the board
- Step 3: Reset and press WiFi button
# Using SCP
- SCP in OS X and Linux
- Using SCP to copy files in Windows
Using Samba
- UCI Configuration
- Access Samba in Windows
- Example
AWS IoT SDK for JavaScript
AWS IoT Embedded-C SDK
- Requirements
Basic Concepts :
GPIO and Interupts
PWM
- Period
- This defines the carrier frequency of the modulation. It’s controlled by period, period_ms and period_us APIs.
- Duty Cycle or Pulse Width
I2C
SPI
Installing MRAA
Controlling LED with MRAA in Node.js
- Steps
- Period
- Duty Cycle and Pulse Width
- Enable Output
- Control a Servo
Step-by-step
- Download and setup OpenWrt SDK
- Enable SFTP on AI7688H
Create and configure C project
- Build the Hello World program
- Debug the Hello World program
Supported cameras
AI7688H has installed Linux UVC (USB Video Class) drivers to provide USB webcam suppport. Webcams follow the UVC standard can be supported on AI7688H. The real capabilities and supported resolution depend on the current UVC driver implementation.
Step-by-step
we use mjpg-streamer as the streaming application and it's already installed in the system firmware by default. For the webcam, Logitech C310 is used in this example.
- Step 1: plug the webcam into the USB host port on AI7688H
- Step 2: type the following command in the system console
- Step 3: connect the PC to the same local network as AI7688H
- Step 4: open a brower and check the video

AI7688H User Manual

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5. Format the SD card. ext4 file system will be used in this example:

During the formatting process, it'll prompt a confirmation: Proceed anyway? (y,n). Press "y" to

continue.+

6. Duplicate current root FS and move it to the SD card:

7. Create a fstab template:

8. Open the fstab configuration (use vi as the editor in this example):

9. In the 'mount' config section, change+

o the target option to '/overlay'

o the enabled option to '1' +

Then the config file will look like:

(In vi, by pressing the "i" key for entering the editing mode)+

10. Save and exit the configuration file (press "Esc" key and type ":x". Then press "Enter" in vi for

saving the file).