Ti DLP Lightcrafter™ Display 2000 Evm User'S Guide
Ti DLP Lightcrafter™ Display 2000 Evm User'S Guide
Ti DLP Lightcrafter™ Display 2000 Evm User'S Guide
DLPU049C – July 2017 – Revised October 2017 TI DLP® LightCrafter™ Display 2000 EVM User's Guide 1
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Copyright © 2017, Texas Instruments Incorporated
User's Guide
DLPU049C – July 2017 – Revised October 2017
The DLP LightCrafter Display 2000 EVM is a low-cost platform enabling the use of DLP technology with
embedded host processors (such as the BeagleBone Black). This small, compact design enables quick
implementation and demonstration in ultra-mobile applications.
2 Quick-Start Guide
This quick-start assumes default conditions as shipped.
1. Confirm that the optical engine is properly connected to the DLP LightCrafter Display 2000 EVM.
• Align "pin 1" of the optical engine connector with "pin 1" of the digital micromirror device (DMD)
data flex cable (female side). Similarly, align "pin 1" of the DMD data flex cable (male side) to the
DLP LightCrafter Display 2000 EVM (at connector J1). The following images are provided to assist
in proper assembly of the EVM with the optical engine.
2. Power up the DLP LightCrafter Display 2000 EVM by applying an external DC ITE power supply (5-V
DC, 3.0 A) to the J2 connector.
• Use an AC-DC switching power supply which accepts 50-60 Hz 100-240 V AC inputs, and outputs
a nominal 5-V DC at maximum 3-A output current. For this purpose we recommend the
TE20A0503F01 Desktop Wall Adapter (or equivalent). The DC power supply jack has a 2.5 mm
inner diameter and 5.5 mm outer diameter.
• If the host processor used supports it, the system can be made to receive power through the
attached host. Power and ground will need to be supplied via header J3 on the board. Please refer
to the user's guide for your respective host processor to determine if enough current can be
supplied to drive the DLP LightCrafter Display 2000 EVM. A minimum of 320 mA is recommended
for the EVM to run at typical brightness settings.
3. After the DLP LightCrafter Display 2000 EVM is turned on, the projector will display a DLP LightCrafter
Display splash screen. See Figure 5 for an example:
4. The focus of the image can be adjusted with the focus switch on the optical engine.
From this point, the system will need to be supplied with a video source (via a host processor such as the
BeagleBone Black) and given instructions via the included I2C bus. Methods for doing this are provided in
the following sections.
After installing the BeagleBone-compatible Debian image, an interface between the host processor and
the user must be established. There are two ways of going about this:
• Onboard mini-HDMI video output with USB keyboard and mouse connection
• Remote connection via SSH terminal application (such as PuTTY for Windows users)
Using a remote SSH connection is recommended for its flexibility and ease of use. Before continuing,
download PuTTY (or refer to your preferred SSH terminal application) from the creator's website located at
http://www.putty.org/. Included on the website are documentation links to provide more detailed
information on how to use PuTTY. (1)
Once the system is set up properly, the BeagleBone Black will communicate with the EEPROM on the
DLP LightCrafter Display 2000 EVM on boot-up. This will tell the BeagleBone Black to load the
appropriate daughter card (or cape) overlay to configure the GPIO ports on the host processor. Once the
cape overlay is loaded, the host processor can interface with the EVM through:
• Parallel I/F video data (via RGB888)
• Issuing I2C commands (via I2C commands)
• Enabling/disabling the EVM (via PROJ_ON_EXT)
Support for use of these features with the DLP LightCrafter Display 2000 EVM is included in the
BeagleBone Black support scripts, which can be found in the "opt/scripts" directory and executed from the
terminal command line. More information on this can be found in the "Example Application" section
(Section 4). To access the BeagleBone Black terminal, please follow the networking access guide at
http://elinux.org/Beagleboard:Terminal_Shells.
I2C commands can be issued by using the aforementioned shell scripts but can also be issued manually
using the I2C terminal commands "i2cdetect", "i2cget", "i2cset". These commands use the onboard I2C bus
to communicate with peripheral devices attached to the host processor. Use of these commands is
documented at http://elinux.org/Interfacing_with_I2C_Devices. For further information, the "man"
command in Linux can also be used to access internal manuals for "i2cdetect", "i2cget", and "i2cset".
Please refer to Figure 7 and Figure 8 for example usages of these commands within a Linux ssh terminal
interfacing with the BeagleBone Black. Typically, the DLPC2607 is located at address 0x1b and the
EEPROM is located at address 0x54, 0x55, 0x56, or 0x57 depending on the configuration of jumpers J4
(Bit 1 of address) and J5 (Bit 0 of address) on the EVM. By default, the EEPROM device address is 0x54.
(1)
PuTTY is third party content (“Third Party Content”). Third Party Content is not under TI’s control and TI is not responsible for such
content, or any changes or updates to such content. TI provides links and access to Third Party Content to you only as a convenience
and TI does not endorse such content. Use of third party websites, features, and tools is governed by the applicable terms of use and
privacy practices of such websites and services. You agree to review and accept applicable terms in respect of Third Party Content.
The light engine is held atop the driver board on a mechanical plate. The standoffs that fasten the
mechanical plate to the system can be disassembled with room to attach a host processor. The system
can be operated with a host processor or on its own using any I2C driver attached to the header ports P1
and P2.
Status LEDs D2 and D3 indicate the status of HOST_IRQ and PROJ_ON respectively. HOST_IRQ will go
low when the system has completed boot sequence, while PROJ_ON indicates the operational state of
the EVM projector. For more information consult the DLPC2607 Data Sheet (DLPS030).
The system possesses an onboard rewritable flash memory unit which can be loaded with new firmware,
as well as an onboard EEPROM. The EEPROM can be utilized with a host processor as a boot ID chip.
This allows the host processor to treat the DLP LightCrafter Display 2000 EVM as a cape and
automatically load appropriate device drivers on boot. The addressing configuration of this EEPROM can
be managed using provided jumpers J4 (Bit 1 of address) and J5 (Bit 0 of address) located on the EVM.
4 Example Application
A quick and simple method for evaluating the DLP LightCrafter Display 2000 EVM is to use available
video players on Debian to playback a sample video. After completing the quick-start setup, one should
use FileZilla (https://filezilla-project.org/) or a similar FTP application to access the BeagleBone Black and
upload a compatible .mp4 video. If the system fails to load the DLP LightCrafter Display 2000 EVM as an
output monitor, the following commands can be issued to configure the system to external video mode at
the appropriate nHD resolution:
i2cset -y 2 0x1b 0x0b 0x00 0x00 0x00 0x00 i
i2cset -y 2 0x1b 0x0c 0x00 0x00 0x00 0x1b i
To play the video, software such as mplayer or vlc is necessary and can be acquired using "apt-get" in the
terminal (use "man apt-get" to see how to use the apt-get package manager). In the terminal, the user
should execute the following:
1. The existing desktop is “0”
a. "export DISPLAY=:0"
b. "mplayer <file>" OR "vlc :0 <file>"
2. Generate a new x as “2” if there is no fb being created
a. "xinit -- :2"
b. "mplayer –vo x11 <file>" OR "vlc –x11-display :2 <file>"
To automate this process, we can employ sample scripts provided on the BeagleBone Black operating
system. To find them, navigate to the directory "/opt/scripts/device/bone/capes/DLPDLCR2000/" and follow
the README.txt file there to install the dlp_lightcrafter-1.0.19.tar package. Once installed, navigate back
to the "DLPDLCR2000" directory and invoke python to run a script on the system. For example:
1. "cd /opt/scripts/device/bone/capes/DLPDLCR2000/"
2. "export DISPLAY=:0"
3. "python MplayerTest.py"
5 Troubleshooting
If you encounter any issues when using the DLP LightCrafter Display 2000 EVM, the following tips below
may assist you in resolving common or known problems:
• When reading the "System Temperature" register using compound command 0xC5, the system may
return an incorrect value on the initial read. If this occurs, send a second read command to the
DLPC2607 to receive the correct temperature value in return.
• When attempting to send an invalid command to the DLPC2607, the command error flag may read as
0 even though an error flag should have been raised. This is a known issue.
• If the DLP LightCrafter Display 2000 EVM is connected to the BeagleBone Black, ensure that both
devices are powered up for proper operation. If the BeagleBone Black is not receiving power, the DLP
LightCrafter Display 2000 EVM may fail to boot even though it is receiving power.
6 Additional Documentation
The following documents are applicable to the DLP LightCrafter Display 2000 EVM and are available at
www.ti.com.
• DLP2000 (0.2 nHD) DMD Data Sheet (DLPS078)
• DLPC2607 DLP PICO Processor 2607 ASIC Data Sheet (DLPS030)
• DLPC2607 Software Programmer's Guide (DLPU013)
For assistance, refer to the DLP and MEMS TI E2E™ community support forums.
Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
• In Section 2.1, added comment recommending specific Debian distro for DLPDLCR2000EVM ............................... 4
• In Section 4 (Example Application), fixed a typo in directory structure listing ................................................... 11
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