7inch HDMI LCD (B) User Manual
Contents
1. functions Note You may need for help about the source code but please consult the related website We don t provide any supports of development environment building and source code modification Rev 1 4 Date September 25 2015 wy WAVESHARE share awesome hardware 7inch HDMI LCD B User Manual See the Appendix HID Proprietary Protocol 2 5 How to configure original Raspbian image file In the section above we presented the steps of image programming by taking the ready to use system image file programming as an example see Section 2 1 since the ready to use image is easier to use and understand However you can freely customize your system by configuring the original Raspbian image file to support this LCD module 2 5 1 How to install driver script 1 Copy the driver RP I2B_B_B _USB_TOUCH_CAP_7 0_RASPBIAN tar gz For Raspberry Pi 2 Model B or RPIB_B _USB_TOUCH_CAP_7 0_RASPBIAN_20150605 tar gz For Raspberry Pi B A B to your Raspbian system and extract it That is enter the terminal and input the following command SUC tar wey Tile Nane cele GZ 2 Change the current directory to the directory generated before and then run the script USB_TOUCH_CAP_7 0_RASPBIAN by the following command el Gli ice nane sudo USB_TOUCH_CAP_ 7 0 RASPBIAN 3 When finished the system will reboot automatically And the LCD module can work properly including display and touch functions after the system rebooted No2. Wy WAVESHARE 7inch HDMI LCD B User Manual share awesome hardware 7inch HDMI LCD B User Manual Description 7 inch Capacitive Touch Screen LCD HDMI interface supports various systems 800x480 high resolution touch control Supports Raspberry Pi and driver is provided works with custom Raspbian directly Supports BB Black comes with related images like Angstrom Supports Banana Pi Banana Pro comes with related images like Lubuntu Raspbian Not only for mini PCs it can work as a computer monitor just like any other general HDMI screen touch function is unavailable in this case HDMI interface for displaying USB interface for touch control Rev 1 4 Date September 25 2015 Wy WAVESHARE share awesome hardware 7inch HDMI LCD B User Manual DESCrI PROM csicecies scaly aa e aE MC ieiyedd cous E scat evsmacveawsverd csndoneiuyaioetelsutencvesdt EEOSE 1 Feature Sirina aieia a EE T ieia ear EE o rA iTo a Ea EEEE TE iTia ais 1 1 OnBoard reSOUrCe serii resene arenae eK E aae a EEA IEE KAEO Ea rE EE E ET EES oia 3 2o Working with Raspberry Pla vcicuscsscscsesecanoncesiceaseassancndesese stasaconcodatesutnassgucaedssdetoavacensndanc edvansdelenedsdiecs 3 2 1 How to program Raspbian image file seceesceseceeeeeeeeeeeceerceseeeeecaeceaeceaecaeesaeesaeeeaeeentees 3 2 2 Hardware COMMECEIOM cures cess cccdcavacenidess nevsuesnenve dainessdcedndtuedachsateceos cchecechantecedncenadeoh
3. ananaPi Pro Comparing with the Banana Pi the BananaPi Pro has added an on board WiFi module When using the BananaPi Pro you can use SSH to connect to the Pi and execute the following command to load the WiFi driver sudo modprobe ap6210 4 4 How to use with the Lubuntu system Program the image file 7inch HDMI LCD B Lubuntu image to the board This image file supports the modules BananaPi Pro and BananaPi User name bananapi Password bananapi Rev 1 4 Date September 25 2015 7inch HDMI LCD B User Manual yy WAVESHARE share awesome hardware 5 Appendix 7inch capacitive touch screen HID protocol The Frame lengths are fixed at 25 bytes 5 touch coordinates are reported but the Raspberry Pi only uses the first one Byte Description Byte 1 The frame header is OxAA Byte 2 Touch flag 1 valid touch data 0 The flag of touch finished Byte 3 The x coordinate high byte of the 1st touch point Byte 4 The x coordinate low byte of the 1st touch point Byte 5 The y coordinate high byte of the 1st touch point Byte 6 The y coordinate low byte of the 1st touch point Byte 7 The 1st touch finished flag is OxBB Raspberry Pi only uses the first 7 Bytes Byte 8 The quantity of touch coordinates 1 5 Byte 9 The x coordinate high byte of the 2nd touch point Byte 10 The x coordinate low byte of the 2nd touch point Byte 11 The y coordinat
4. atbesenseiiateasonsescnsaieesceces 8 4 3 How to load WiFi driver of BananaPi Pro eeeceeeceeeeeeceeeeceerceeeceseceaeceaeceaecaeesaeeeaeeeneeentees 8 4 4 How to use with the Lubuntu system eee eeeceeeceeneeceteeecaeeceeeeeaaeceseeecaaeseeeeesaeeeeeeeeaaeeeaeee 8 Bi APP OMOIK A E cechasseeiaetvasecudvasa unis vecvnatersantevencdsoud E E E E 9 2 Rev 1 4 Date September 25 2015 Wy WAVESHARE share awesome hardware 7inch HDMI LCD B User Manual 1 On Board resource Figure 1 Switches and interfaces 1 Backlight Switch used to turn on off the backlight 2 USB Touch Interface USB touch power interface 3 HDMI it is used for connecting the main board to the LCD screen 2 Working with Raspberry Pi 2 1 How to program Raspbian image file In order to use with Raspberry Pi you should configure the original system first Of course you can program a ready to use system image file to your Raspberry Pi board as well In this section we will illustrate how to program the image file by taking the ready to use system image file 7inch HDMI LCD B Raspberry Pi 2 module B Raspbian image as an example This image file supports Raspberry Pi 2 Model B Instead for Raspberry Pi Model B A B you can use 7inch HDMI LCD B Raspberry Pi B B Raspbian image 1 Download the zip file to your PC unzip it and get an img file 2 Connect a TF card to your PC and format your TF card with the SDFormatter exe Not
5. e high byte of the 2nd touch point Byte 12 The y coordinate low byte of the 2nd touch point Byte 13 The x coordinate high byte of the 3rd touch point Byte 14 The x coordinate low byte of the 3rd touch point Byte 15 The y coordinate high byte of the 3rd touch point Byte 16 The y coordinate low byte of the 3rd touch point Byte 17 The x coordinate high byte of the 4th touch point Byte 18 The x coordinate low byte of the 4th touch point Byte 19 The y coordinate high byte of the 4th touch point Byte 20 The y coordinate low byte of the 4th touch point Byte 21 The x coordinate high byte of the 5th touch point Byte 22 The x coordinate low byte of the 5th touch point Byte 23 The y coordinate high byte of the 5th touch point Byte 24 The y coordinate low byte of the 5th touch point Byte 25 The Frame end is OxCC Rev 1 4 Date September 25 2015
6. face Rev 1 4 Date September 25 2015 Wy WAVESHARE share awesome hardware 7inch HDMI LCD B User Manual 4 How to use with Banana Pi Before powering up the Banana Pi you should connect it to a LCD displayer properly since the Banana Pi may read the resolution parameters of the LCD displayer on startup And the connection should be remained till the Banana Pi enters the desktop In this case even if you disconnect the LCD displayer and reconnect it again to the Banana Pi the LCD can still work properly 4 1 How to program Raspbian_For_BananaPi image file Program the image file 7inch HDMI LCD B Raspbian image to the board This image file supports the modules BananaPi Pro and BananaPi 1 Download the zip file to your PC unzip it and get an img file 2 Connect a TF card to your PC and format your TF card with the SDFormatter exe Notices The capability of TF card in used here should be more than 4GB In this operation a TF card reader is also required which has to be purchased separately 3 Start the Win32DiskImager exe and select the system image file copied into your PC then click the button Write to program the system image file 4 2 Hardware connection 1 Connect the LCD to the HDMI on the Banana Pi board with a HDMI cable 2 Connect the USB Touch interface on the LCD to the USB interface on the Banana Pi board with a dual micro USB cable 4 3 How to load WiFi driver of B
7. ices The capability of TF card in used here should be more than 4GB In this operation a TF card reader is also required which has to be purchased separately 3 Start the Win32Disklmager exe and select the system image file copied into your PC then click the button Write to program the system image file Rev 1 4 Date September 25 2015 Wy WAVESHARE share awesome hardware 7inch HDMI LCD B User Manual 2 2 Hardware connection 1 Connect the LCD to the HDMI on the Raspberry Pi board with a HDMI cable 2 Connect the USB Touch interface on the LCD to the USB interface on the Raspberry Pi board with a USB type A male to micro B cable 2 3 Virtual keyboard of Raspberry Pi The Virtual keyboard of Raspbian system enables you to save the USB resource providing easy system operations After the LCD is working properly this function can be invoked by the following command DISPLAY 0 0 matchbox keyboard s 100 extended Now the virtual keyboard is ready to use as Figure 2 shows Figure 2 Virtual keyboard of Raspberry Pi B menu D ei A 2 Q EE pi raspberrypi zla 100 15 09 2 4 Source code and protocol 1 Copy the source code to your Pi 2 Execute the following command cd wavesahre 7inch touchscreen driver elawmexcl axe alasicalLil ila sudo apt get update sudo install sh 3 Shut down your Pi then power up again and usually you can use the display and touch
8. ithout any change The BeagleBone will read the display parameters of the 7 inch HDMI displayer and set the resolution to 800 480 automatically When using this LCD module as a touch screen you should program the image file 7inch HDMI LCD B Angstrom image Please follow the steps below to program the image file 1 Download the zip file to your PC unzip it and get an img file 2 Connect a TF card to your PC and format your TF card with the SDFormatter exe Notices The capability of TF card in used here should be more than 4GB In this operation a TF card reader is also required which has to be purchased separately 3 Start the Win32DiskImager exe and select the system image file copied into your PC then click the button Write to program the system image file 4 After programming the image file please insert the TF card to your board press the key uBOOT and hold it till power up Then you will enter the system located at the TF card Wait a moment and you will enter the graphical desktop directly 3027 Hardware connection 1 Connect the LCD to the HDMI on the BeagleBone board with a HDMI to micro HDMI cable sold separately 2 Connect the USB Touch interface on the LCD to the USB interface on the BeagleBone board with USB type A male to micro B cable BeagleBone has two USB interfaces one for host and the other for client In here you should connect the LCD module to the USB host inter
9. tice If the max USB current is limited by the system the LCD may not work properly To unlock the current limitation you can edit the boot config txt and add max usb current 1 2 5 2 How to enter graphical desktop Notice The Raspbian system boots to terminal interface by default To make the operations simple when using with a LCD it is recommended to set the system to boot to graphical desktop directly Please follow the steps below to configure the system 1 Enter the Raspbian system and input the following command sudo raspi config 2 Select the option Enable Boot to Desktop Scratch by using the Arrow keys Space key or and Enter key 3 Select the option Desktop Login as user Pi at the graphical desktop 4 When you see the prompt Would you like to reboot now select the option Yes to reboot the system Rev 1 4 Date September 25 2015 yy WAVESHARE share awesome hardware 7inch HDMI LCD B User Manual 2 6 How to use with the Ubuntu system Program the image file 7inch HDMI LCD B ubuntu image to the board This image file supports Raspberry Pi 2B User Name linaro Password linaro Rev 1 4 Date September 25 2015 Wy WAVESHARE share awesome hardware 7inch HDMI LCD B User Manual 3 How to use with BeagleBones Dol How to program Angstrom image file If this LCD module is used for display only you can program the latest Angstrom image file to the board directly w
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