Revision as of 03:57, 23 May 2018

Introduction

This document will

Preparation

EVK Components

Item	Description
1	EPD
2	EVK mainboard
3	Power adapter and cable
4	ED22 board
5	ED22 micro USB cable
6	10 pin FFC cable
7	2.4G Wi-Fi antenna

2.4G Wi-Fi AP

Prepare a 2.4G Wi-Fi AP.

Win7 PC

Prepare a win7 PC.

Setup TFTP server

Make sure PC connect to 2.4G Wi-Fi AP and get IP address
Recommend used tftpd64
Set the process reference link https://www.youtube.com/watch?v=YdVEonLMWYs

• Python Environment Setup

Download and install Python (recommend Python version 2.7+)
Setup Windows Path and Environment Variables : add “C:\Python27;C:\Python27\Scripts”
Download and install python PIL package
Download and unzip picture transformation tool "BmpToPixel_D73.py"

Bmp Image To EPD Format

Run BmpToPixel_D73.py < source BMP image file> < <output file > in cmd window
- Bmp size must comply with EPD resolution 1600 x 1200
- Bmp file: mono color/16 color/256 color/24bits bitmap format
- Ex: BmpToPixel_D73.py EVK_03.bmp EVK_03.esl
Copy output files to tftp Base Directory

WISE-ED22 Setup

Download and install WISE-ED22 driver
Connected to PC via a micro USB cable, the Device Manager will appear mbed Serial Port

EVK Setup

Hardware Setup

Follow steps and picture below to setup the hardware

Connected EPD FPC to mainboard
Connected Wi-Fi antenna to mainboard
Connected ED22 board to mainboard via FFC cable
Connected ED22 board to PC via micro USB cable
Connected power cable to mainboard

Command Console Setting

Start a serial tool(use tera term in this), and make the communication setting as shown below.

EVK Start

Press “RST” button, the screen will show as below

Example : Download and Refresh Image

Example Architecture

The example architecture is as below

Launch TFTP Service

PC join to Wi-Fi AP
Lunch tftpd64.exe and select "Tftp Server" tab
Check image folder, image file size must be 960000 byte

Select tftp server IP

EVK Join to Wi-Fi AP

EVK operates in command mode, you must start a serial tool.
type join <SSID> <encryption> [key]
- SSID, encryption protocol and key consistent with Wi-Fi AP setting
- Ex: join RT66 wpa2_aes 12345678
Get IPv4 IP if join successful

Download Images to Flash

tftp <ip> <filename> <flash index> [-r]

ip: tftp server ip
filename: image file name
flash index: range 0~3, that have maximum 4 images(0~3) be saved in flash
-r : immediate refresh after download complete
Ex: tftp 192.168.8.178 example_2.esl 1 -r

Refresh Image

epd_disp <-f flash index | -i internal image index>

-f: display image that read from flash, range 0~3
-i: display internally generated image, range 0~4
   0: fully black
   1: full white
   2: full red
   3: black/white/red vertical stripes
   4: black/white/red horizontal stripes
Ex: epd_disp -f 1
Ex: epd_disp -i 4

EVK Command

Describes the EVK commands that you can use.

Command List

Command	Function
evk_info	get EVK version
epd_info	get EPD information
get_mac_addr	get MAC
ping	ping command
join	Wi-Fi connect
tftp	download Images to Flash
epd_disp	refresh Image
iperf	Wi-Fi throughput test
bt_wifi	start ble-wifi introducer service

Command Description

evk_info: Return EVK version
epd_info: Return EPD model name, resolution and F/W version
get_mac_addr: Return EVK MAC address
ping <dest> [-i <interval in ms>] [-n <number>] [-l <length>]
- Return ping reply time if successful
- ping 8.8.8.8 -i 100 -n 5 -l 50
join: Reference “EVK Join to Wi-Fi AP”
tftp: Reference “Download Images to Flash”
epd_disp: Reference "Refresh Image”

[[Category:Editor]]

@@ Line 48: / Line 48: @@
 Prepare a win7 PC.
-== • Setup TFTP server ==
+== Setup TFTP server ==
 #Make sure PC connect to 2.4G Wi-Fi AP and get IP address

Difference between revisions of "EPD-132 EVK User Manual"

Revision as of 03:57, 23 May 2018

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