"DLT-RK3288 development board is a newly launched industrial-grade development board based on Ruixin RK3288 processor, Shenzhen Ningyuan Electronic Technology Co., Ltd., equipped with Android5.1 system, 2G memory, 8GB EMMC storage, and consumer Electronic, intelligent terminal, wireless communication, medical equipment, industrial control and other industrial applications. With 4K HD video output advantages, it is very suitable for advertising machine application scenarios!
RK3288 processor is a super quad-core processor launched by Ruixin Micro. The Cortex-A17 architecture, the frequency is up to 1.8GHz, and the GPU uses the Mali T76x series Mali T764. The core maximum feature is to use the third generation MIDGARD architecture, substantially change The shader core is configured; 4 high performance shader cores, 2400m / s pixel filling rate and 300 m / s triangular generation rate have been multiplied relative to the past. RK3288 supports 4K H.265 real-time hardware decoding, and truly supports the output and play of 4K video.
The detailed parameters of the RK3288 processor are shown in the following table:
DLT-RK3288 unpacking
Officially unpack, remove the delivery outside packaging, simple and simple box. Open the box, the development board is very strict from the anti-static bag. Although the packaging is simple but still unable to cover the inner core, it can videopolitize the square metal shell package through the red anti-static bag.
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Family family is coming:
Standard list:
DLT-RK3288 development board (1PCS)
12V / 2A DC Power Adapter (1PCS)
Micro USB Line (1PCS)
HDMI video cable (1PCS)
Infrared remote control (1PCS)
WiFi antenna (1PCS)
The power adapter is selected from Huawei 12V2A power. Huawei is worthy of our pride, really doing anything, small to the power adapter is large to the processor, base station server. The DLT-RK3288 development board is equipped with an infrared receiver. After the pre-installed Android system is started, remote control can be used to remotely perform.
Next, on the protagonist, it was first photo. The DLT-RK3288 development plate length is 117mm * 85mm, and the size is moderate. The development board is a black 6-layer PCB with a lead-free gold process, which looks high atmosphere and has a texture. The PCB plate is tidy and the density is moderate. At the same time, it is equipped with a copper pillar, which prevents the device from hitting the device at the desktop. The development board has a rich interface, all over the four sides, which is convenient.
Then there is a photo of the back. There are not many back devices, there are two FPC cable connector of two cameras.
The front interface has USB, which is convenient to connect USB devices, mouse keyboards, U disk, and the like. Then the MicroSD card, OTG interface, 3.5mm headphone interface, power button.
Finally, the rear interface, DC12V power socket, Gigabit network port, debug USB interface, HDMI, LVDS.
Since the development board provides a plate-loaded USB transfer trial serial port function, it is not necessary to connect the UIB to UART forwarded wire, which can be used directly using the USB cable to connect to the PC. It is very convenient.
The development board does not have a data disc, and all materials need to go to the Solanta open source community download, the URL is www.daluotuo.net. It is said that the community is called its 2-hour quick response, 24 hours uninterrupted service.
DLT-RK3288 development board provides Android 5.1 SDK and Linux source, can be downloaded in the Community Forum. The DLT-RK3288 is fully compatible with the software of the Firefly-RK3288 development board, so you want more to apply resources to refer to Firefly-RK3288 information.
DLT-RK3288 detailed hardware analysis
DLT-RK3288 development board interface label:
The DLT-RK3288 development board provides a commonly used interactive interface, but also supports many port extensions, including: MIPI, CSI, LVDS, SPI, UART, EDP, ADC, GPIO, I2C, I2S, USB, PWM and other functions. The specific definition is shown below:
DLT-RK3288 development board front chip labeling:
Back chip labeling:
There is a ST 8-bit MCU: STM8L051F3P6 on the back of the development board: STM8L051F3P6. The development board has two PT5035 power amplifier chips, which can be directly connected to the 1.5W speaker, and if there is a broadcast demand in practical applications, it can be used directly.
Main devices and manufacturers list:
Through the list of the above devices, it can be seen that the DLT-RK3288 is used as a domestic SOC industrial-grade development board to be used on the main devices, such as memory, EMMC, other functional chips have domestic chips, support domestic. However, it can also be seen from here that there is a gap between the general class CPU and the storage device, and there is a long way to go.
DLT-RK3288 power-on test
Before the power-on test, you need to prepare an HDMI display, a network cable, a mouse keyboard, an SD, a U disk, and the like. Here, the author uses 1080P to a 23-inch display. Using a supporting MicroSB line connects the debug interface of the development board to the PC computer, Win10 or Linux system does not need to install the driver to directly recognize the debug serial port, and other versions of the system need to install the CH340G serial driver, which can be downloaded in the Solanta community.
The author uses SecureCrt as the debug terminal, the serial number COM4, the baud rate 115200. Print information at startup You can see memory size, CPU information, etc. as shown below.
The entire startup process is still relatively fast, about 25 seconds, completely started. After the development board starts, connect the network (the development board network port defaults to automatically obtain the IP mode. After the router is automatically acquired, the IP address is automatically configured, "Do not manually configure the IP address), and open the browser automatically jumps to the big camel home page. Here is a meter, the multimeter is displayed at the current room temperature of 23.5 ° C, which is compared as the temperature rise.
Booting process video:
Http://v.youku.com/v_show/id_xmzu5mte4ntgyma==.html?spm=a2h3j.8428770.3416059.1
DLT-RK3288 WIFI connection test
The development board is equipped with an AP6255 four-in-one WiFi + Bluetooth module to easily realize the network.
DLT-RK3288 infrared remote control test
The DLT-RK3288 is equipped with an infrared remote control, which is convenient to remotely operate, as a network video player is still nice. First, see the infrared remote control command in terms of terminal mode. Open the infrared serial debugging information, just write to the code_print file with the echo command. The development board console is not set. The command is as follows:
Su root
Echo 1> / SYS / MODULE / ROCKCHIP_PWM_REMOTECTL / Parameters / Code_Print
Then press the button, lower, left, right, respectively. You can see the key value of the button.
Combined with the display screen, demonstrate the remote control function, the video is as follows:
Http://v.youku.com/v_show/id_xmzu5mti1otk4ma==.html?spm=a2H3J.8428770.3416059.1
As can be seen from the video, after normal operation, the temperature of the RK3288 chip is about 55 ° C, and the temperature rise is about 20 ° C.
Computer Control DLT-RK3288 Development Board
The DLT-RK3288 development board pre-installed Android 5.1 system, where there is no external display, you can use the computer to synchronize the image of the development board, which is used here: "Total Control" computer control mobile phone experts.
Download the software Total Control and install it on the PC side.
The OTG interface of the DLT-RK3288 development board is then connected using a supporting MicroSB cable.
Connect the DLT-RK3288 development board with Total Control software on the PC (Note: PC requires network. During operation, you need to use ADB, automatically install, run the Total Control APK of the Android side), click on the connection, as shown below :
After the connection is successful, the image of the Android side can be displayed on the computer. It also controls RK3288, which is very convenient to use.
DLT-RK3288 Bluetooth file transfer
DLT-RK3288 is equipped with Bluetooth. Here is the test by sending files. First of all, the author sets his mobile phone Bluetooth as "Walnut Tree", then operates the development board in Total Control to connect to Bluetooth.
After the connection is successful, send a document to the development board from the phone. The reception of the development board is shown below:
The transmission of the mobile phone is as shown below:
DLT-RK3288 development board 4K HD video playback
RK3288 is equipped with high performance GPU: Mali T764, supports 4K decoding, here the author played a 4K resolution video while testing the temperature. As can be seen from the video, the entire playback process is smooth and no Carton, the display is good. The CPU temperature is also maintained below 60 ° C. The heat is generally used without adding a heat.
The test video is as follows:
Http://v.youku.com/v_show/id_xmzu5mtizmduzng==.html?spm=a2h3j.8428770.3416059.1
DLT-RK3288 development board Ann rabbit running points
The DLT-RK3288 is an industrial-grade development board, and is a chip in 2014. It is reasonable to use the Rabbit running. However, the author is still itchy, and the chip is not obvious when it is found to play 4K video, so the latest V7.0.9 version is installed to see running. The result of running is 52122, and the RK3288 chip is at the maximum temperature at the highest temperature at the highest temperature at the test GPU 3D, and the highest temperature at the time of testing CPU has arrived at 83.4 ° C.
Hardware configuration information read by the rabbit:
Anbun rabbit running a process video:
Http://v.youku.com/v_show/id_xmzu5mtmwodiyoa==.html?spm=A2H3J.8428770.3416059.1
DLT-RK3288 development board
DLT-RK3288 development board supports local SD card and USB OTG upgrade. Making an SD card, you need to use the SD_Firmware_tool "to use the SD_Firmware_Tool", you can download it in the community.
Run Software SD_FIRMware_TOOL, insert the card reader and SD card to the PC USB port, the tool automatically recognizes the disk device, select the target SD card with the "Select the Movable Disk Device" drop-down box. Then follow the steps below to select the SD card production in the following steps. Need to pay attention to the firmware to the latest version: "DLT-RK3288-Android 5.1-20180424.img", the author tries that the version 20171221 cannot be upgraded.
Plug it on the card of the DLT-RK3288 development board. After power-on, the DLT-RK3288 will automatically enter the upgrade mode. The upgrade process D3 LED light flashes, and the D3 LED lamp is often on the upgrade. After the upgrade is completed, you will enter the updated system after the upgrade is completed.
summary
Remember Firefly-rk3288 development board? DLT-RK3288 is the upgrade of Firefly-RK3288, which is fully compatible. DLT-RK3288 has been upgraded in hardware software, 100,000 open shutdown tests plus 30 days × 24 hour copy test, this is the level of the industrial control-level motherboard. No matter what you believe, the author did not have any abnormalities, stability is still good. At the same time, DLT-RK3288 also provides a variety of exports, support 4K HD decoding, which has a certain harsh or industrial application scenario for the environment, and DLT-RK3288 is a nice domestic processor open source platform. "
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