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MaaXBoard_Mini-Linux-Debian-UM-V1.1

http://www.avnet.me/maaxboardmini.com

14

3.7 UART

MaaXBoard Mini supports 2 UART interface.

MaaXBoard Mini (CPU)

Interface Type

UART1

UART TTL (Debug Interface)

UART2

UART TTL

3.7.1 UART 2

In the Debian system, the node for UART2 is /dev/ttymxc1.

The system image provides a test application, uart_test, which could be used for a loop back test.

Short connect the pin 16 and 18 in J10, then enter the following instructions in serial terminal:

root@maaxboard-mini:~# ./uart_test -d /dev/ttymxc1 -b 115200

/dev/ttymxc1 RECV 10 total

/dev/ttymxc1 RECV: 1234567890

The result of RECV as above, means test passed.

Note: Press “CTRL+C” to exit the test.

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Содержание MaaXBoard Mini

Страница 1: ...MaaXBoard Mini Linux User Manual V1 1 ...

Страница 2: ...or duplicated in any approach and form without the written permission issued by Avnet Manufacturing Services Disclaimer Avnet Manufacturing Services does not take warranty of any kind either expressed or implied as to the program source code software and documents provided along with the products and including but not limited to warranties of fitness for a particular purpose The entire risk as to ...

Страница 3: ...nux Debian UM V1 1 http www avnet me maaxboardmini com 3 Revision History Rev Description Author Date V1 0 Initial version Sandy 20190301 V1 1 1 Add Bluetooth Audio 2 Add Debian Weston desktop environment Sandy 20200316 ...

Страница 4: ... Displayer 12 3 4 1 MIPI DSI Screen 12 3 4 2 LVDS Screen 13 3 5 Touchscreen 13 3 6 Audio 13 3 6 1 Audio Device 13 3 7 UART 14 3 7 1 UART 2 14 3 8 Gigabit Ethernet Interface 15 3 8 1 Network Test 15 3 8 2 Configure Ethernet Interface Via Command Line 15 3 8 3 Configure Ethernet Interface Via GUI 16 3 9 USB 2 0 Interface 16 3 9 1 USB Host 16 3 9 2 USB Device 17 3 10 Wi Fi 19 3 10 1 Connect Wi Fi net...

Страница 5: ...own CAN 22 3 13 GPU 22 3 14 Desktop Environment 23 3 15 Camera 23 3 16 QT GPU 23 Chapter 4 Weston Desktop Environment 24 4 1 Menu 25 4 2 Terminal 26 4 3 File Manager 27 4 4 Chromium Explorer 29 4 5 Movie Player 30 4 6 Text Editor 34 4 7 Camera 38 4 8 Network Manager 41 4 8 1 Manage Ethernet connection 41 4 8 2 Manage Wi Fi Connection 43 4 9 Bluetooth Manager 46 4 9 1 Search and Connect Device 46 4...

Страница 6: ...o SD Card under Windows OS 54 5 2 Burn the System Image to SD Card under Linux OS 55 5 3 Update System Image in eMMC 55 Chapter 6 Appendix 56 6 1 Hardware 56 6 2 Software 56 Chapter 7 Technical Support and Warranty 57 7 1 Technical Support 57 7 2 Warranty Conditions 57 Chapter 8 Contact Information 59 ...

Страница 7: ...e MaaXBoard_Mini LinuxShipmentImage Debian Vxxx img 03LinuxTools gcc linaro 7 3 1 2018 05 x86_64_aarch64 linux gnu tar xz 01Doc Description MaaXBoard_Mini Linux ReleaseNote Vxx pdf Release Note MaaXBoard_Mini Linux UserManual Vxx pdf User Manual MaaXBoard_Mini Linux DevelopmentGuide Vxx pdf Development Guide 01LinuxSourceCode Description linux_4 14 98_xxx gz Linux kernel source code 4 14 98 versio...

Страница 8: ...98 Evaluation image Debian 10 Development based on NXP i MX 8M Mini Qt 5 1 1 Library or later Desktop Weston 5 0 Micro SD boot 1 Gigabit Ethernet RJ45 4 USB 2 0 can work in Host Device mode 2 UART TTL include debug port External interfaces I2C UART SPI SAI and GPIO WIFI BLE 4 2 MIPI DSI Display LVDS Display MIPI camera Bluetooth audio ...

Страница 9: ...Communication software e g PUTTY select the corresponding port number baudrate as 115200 data bits as 8 stop bits as 1 parity as none Connect the debug interface to PC with USB to TTL converter Pin 6 8 and 10 of J10 to the GND RXD and TXD pin of the USB to TTL converter Insert the SD card with pre burned image into the card slot J9 If you are using an eMMC version board ignore this step Powered th...

Страница 10: ...t me maaxboardmini com 10 Enter username as root Enter password as avnet to login After the boot screen will show the desktop environment Users could connect keyboard and mouse to MaaXBoard Mini to use it For detail refer to Weston Desktop Environment ...

Страница 11: ...ontrol them Light out LED root maaxboard mini echo 0 tee sys class leds usr_led brightness root maaxboard mini echo 0 tee sys class leds sys_led brightness Light up LED root maaxboard mini echo 1 tee sys class leds usr_led brightness root maaxboard mini echo 1 tee sys class leds sys_led brightness 3 3 Button MaaXBoard Mini support 3 button BACK HOME and PWR 1 Test BACK and HOME button with followi...

Страница 12: ...MaaXBoard Mini supports 3 kinds of displayer MIPI DSI and LVDS screen Users can connect the screen to MaaXBoard Mini before boot up the system according to the following table When the system boot up the screen will print the related startup message and login UI Users can connect keyboard to login the MaaXBoard Mini file system The default displayer is MIPI DSI screen Screen Type Solution Interfac...

Страница 13: ...udio MaaXBoard support USB audio device and Bluetooth Audio device After connect device use the following instructions to play audio file root maaxboard mini aplay audio_sample wav root maaxboard mini gst play 1 0 audio_sample wav Note aplay command support audio file in wav format gst play command support wav mp3 and aac format 3 6 1 Audio Device 3 6 1 1 USB AUDIO DEVICE MaaXBoard Mini could supp...

Страница 14: ...Debian system the node for UART2 is dev ttymxc1 The system image provides a test application uart_test which could be used for a loop back test Short connect the pin 16 and 18 in J10 then enter the following instructions in serial terminal root maaxboard mini uart_test d dev ttymxc1 b 115200 dev ttymxc1 RECV 10 total dev ttymxc1 RECV 1234567890 The result of RECV as above means test passed Note Pr...

Страница 15: ...prefixlen 64 scopeid 0x20 link ether fa cc da 6b 9d 45 txqueuelen 1000 Ethernet RX packets 241 bytes 23680 23 1 KiB RX errors 0 dropped 0 overruns 0 frame 0 TX packets 275 bytes 24494 23 9 KiB TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 root maaxboard mini ping www baidu com 3 8 2 Configure Ethernet Interface Via Command Line To Configure eth0 we can either modify the system configurat...

Страница 16: ... the lower one in J4 is USB2 the upper one in J4 is USB1 4 USB 2 0 interfaces support USB HOST function only USB0 support USB Device function 3 9 1 USB Host Insert a U disk to USB interface serial terminal will display the disk information 541 484723 usb 2 1 new SuperSpeed USB device number 2 using xhci hcd 541 548910 usb storage 2 1 1 0 USB Mass Storage device detected 541 558886 scsi host0 usb s...

Страница 17: ...rd mini device dtb When choose this value the displayer is MIPI DSI screen Connect USB0 to PC after the system start up open the device manager and check if the following device is recognized Please follow the steps listed below to finish USB Device test Use Windows 7 as example 1 Install Linux USB Ethernet driver In release package LinuxTools then the device manager will list the Network Adapter ...

Страница 18: ...e connection Local Area Connection 5 select Properties Networking Internet Protocol Version 4 TCP IPv4 then select Properties to open the following window Set an IP address that is in the same network segment as the USB OTG port then click OK 5 Execute the following instruction to verify the network connection root maaxboard mini ping 192 168 1 15 PING 192 168 1 15 192 168 1 15 56 84 bytes of data...

Страница 19: ...nstruction Embest WiFi is the SSID of the WIFI 12345678 is the password root maaxboard mini nmcli dev wifi con Embest WiFi password 12345678 ifname wlan0 If the connection succeeds it will print the following info Device wlan0 successfully activated with 12551227 ee19 4054 9f43 0c9b83b75995 Enter nmcli dev wifi to check Connected with Embest WiFi root maaxboard mini nmcli dev wifi IN USE SSID MODE...

Страница 20: ... In above instruction MyHostspot is connection name MyHostspotSSID is the SSID 12345678 is the password Users could connect the hotspot with Wi Fi device Close the Wi Fi hotspot To temporary close the hotspot see Connect and Disconnect Wi Fi Connection Delete the Wi Fi hotspot root maaxboard mini nmcli con del MyHostspot 3 10 5 Configure Via GUI Debian Weston desktop environment support nmcli GUI ...

Страница 21: ...port USB to CAN module connect the module to USB Interface then use the following instructions to control it 3 12 1 Check CAN Module Use the following command to check if a CAN module connected root maaxboard mini ifconfig a can0 flags 128 NOARP mtu 16 unspec 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 txqueuelen 10 UNSPEC RX packets 0 bytes 0 0 0 B RX errors 0 dropped 0 overruns 0 frame 0 TX ...

Страница 22: ... seg 6 phase seg1 7 phase seg2 2 sjw 1 gs_usb tseg1 1 16 tseg2 1 8 sjw 1 4 brp 1 1024 brp inc 1 clock 48000000 re started bus errors arbit lost error warn error pass bus off 0 0 0 4 1 0 numtxqueues 1 numrxqueues 1 gso_max_size 65536 gso_max_segs 65535 RX bytes packets errors dropped overrun mcast 128 16 0 0 0 0 TX bytes packets errors dropped carrier collsns 14 3 0 0 0 0 3 12 4 Shut down CAN root ...

Страница 23: ... System provide a Camera application based on QT Lib could be used with desktop environment to preview photograph and record video For detail refer to Weston Desktop Environment Camera 3 16 QT GPU File system integrated QT5 10 or higher version and GPU development Library such as EGL OpenCL and Open VG It also provides several test programs QT test program saved in path usr share qt5 examples user...

Страница 24: ...oardmini com 24 Chapter 4 Weston Desktop Environment Connect displayer to MaaXBoard Mini Weston Desktop Environment will run automatically after system boot Users could connect keyboard and mouse to operate Here we use MIPI DSI screen as example to introduce it ...

Страница 25: ...ich could be open from the menu in the up side of the screen they are Icon Application Usage Application Name Terminal Tool GNOME Terminal File Manager Files Management Internet Explorer Chromium Video Player Totem Movie Player Text Editor Gedit Text Editor Camera Camera Network Manager Network Connections Bluetooth Manager Blueman manager ...

Страница 26: ...and mouse to operate Open the terminal then enter bash or su command to switch to bash terminal Then you can get higher access to use more function Terminal application supports multiple windows and adjusts the window size click the x to close the application To learn more about the usage of the Terminal open a Help Content to view the Help documents ...

Страница 27: ...he right click menu users can choose operations such as New Folder Copy Cut Paste Delete Compress and view their properties etc The path to be open by default is root if you need to go to other directory open root directory first Click Other Locations Computer then open other path from here File manager supports multiple windows and adjust the window size click the x to close the application ...

Страница 28: ...MaaXBoard_Mini Linux Debian UM V1 1 http www avnet me maaxboardmini com 28 ...

Страница 29: ...net me maaxboardmini com 29 4 4 Chromium Explorer Users could explore the internet with this application Chromium support full screen click the x to close the application Open Chromium enter website address in address bar to view the internet pages ...

Страница 30: ...er Totem Movie Player support play video and audio file in several format the largest support resolution for video file is 1080p If the resolution is larger than this value those video files cannot be played correctly 1 Open Totem click button choose Add Local Video to add files to playlist ...

Страница 31: ...ian UM V1 1 http www avnet me maaxboardmini com 31 2 Click the file in the playlist to play video file 3 When playing the video or audio files users could full screen view pause resume a movie song change the audio volume etc ...

Страница 32: ...maaxboardmini com 32 4 Click button to back to playlist click button or right click the file to select the file and delete form the playlist 5 Click this button to open the menu set Preferences keyboard shortcuts view help document or exit the application ...

Страница 33: ...inux Debian UM V1 1 http www avnet me maaxboardmini com 33 6 If connected to internet users could open Channels to play online videos 7 In file manager double click the video audio file system will use Totem to play it ...

Страница 34: ...http www avnet me maaxboardmini com 34 8 To learn more about Totem open Totem Movie Player Manual 4 6 Text Editor Gedit is a GUI text editor support edit text file such as txt shell script etc 1 Open Gedit it will new a Untitled Document ...

Страница 35: ...MaaXBoard_Mini Linux Debian UM V1 1 http www avnet me maaxboardmini com 35 2 Click Open Other Documents to open exist text file to edit ...

Страница 36: ...MaaXBoard_Mini Linux Debian UM V1 1 http www avnet me maaxboardmini com 36 3 Click to create new file 4 Click this button to use more function ...

Страница 37: ...MaaXBoard_Mini Linux Debian UM V1 1 http www avnet me maaxboardmini com 37 5 To learn more click Help to view the gedit help guide ...

Страница 38: ...ased on QT Lib could be used with desktop environment to preview photograph and record video Connect a displayer camera to MaaXBoard Mini make sure the desktop environment is start up 1 Open Camera application system will detect the Camera or Camera interface Choose uvcvideo when you use the USB camera choose mx6s csi when you use MIPI CSI camera Click Reload button to refresh ...

Страница 39: ...n screen to open Camera and preview the video 3 Click Capture button to take a photo and show the thumbnail in the right side of the window Click Video it will record yuv video file in yuyv format users could copy it to PC to check with YUVplayer The photo and video files will be saved in root Pictures ...

Страница 40: ... UM V1 1 http www avnet me maaxboardmini com 40 4 Click the thumbnail to close the camera preview and show the whole image in current window Camera application supports adjust the window size click the x to close the application ...

Страница 41: ...aaxboardmini com 41 4 8 Network Manager Network manager could be used to manage the Ethernet and Wi Fi connection 4 8 1 Manage Ethernet connection The default Ethernet connection is Wired connection 1 choose this connection then click setting button to edit ...

Страница 42: ... me maaxboardmini com 42 In Ethernet page users could check MAC address Speed Duplex mode etc Click Save button to save the modification In IPv4 IPv6 Settings page users could change IP address DNS servers etc Click Save button to save the modification ...

Страница 43: ...MaaXBoard_Mini Linux Debian UM V1 1 http www avnet me maaxboardmini com 43 4 8 2 Manage Wi Fi Connection 1 Wi Fi connection need to be adding manually click button then select Wi Fi in the pop up window ...

Страница 44: ... enter the SSID for the Wi Fi network and choose work mode band and device to use If we connect Wi Fi with exist Wi Fi connection choose Client in Mode Automatic in Band If we set a new Wi Fi Hotspot choose Hotspot in Mode 2 4GHz or 5GHz in Band and modify the channel parameter if necessary ...

Страница 45: ...UM V1 1 http www avnet me maaxboardmini com 45 3 In Wi Fi Security page choose the Wi Fi security method and enter password 4 In IPv4 IPv6 Settings page change IP address DNS servers etc Click Save button to save the modification ...

Страница 46: ...axboardmini com 46 4 9 Bluetooth Manager 4 9 1 Search and Connect Device 1 Click Search button to search for available Bluetooth device 2 Select the device to connect then click Pair button in Right click menu Device menu or Quick menu bar to pair the device ...

Страница 47: ...tp www avnet me maaxboardmini com 47 3 Sometimes the device will ask the user to confirm pairing request 4 To cancel the pair select the device then click Remove button in Right click menu Device menu or Quick menu bar to remove the device ...

Страница 48: ...nux Debian UM V1 1 http www avnet me maaxboardmini com 48 4 9 2 Transmit and Receive Files 1 Pair with a Bluetooth device such as smart phone then click Send File button 2 Choose the file in pop up window then click OK ...

Страница 49: ...MaaXBoard_Mini Linux Debian UM V1 1 http www avnet me maaxboardmini com 49 3 Click Accept to receive the file send by the smart phone 4 Select the inform window press Esc button on keyboard to close it ...

Страница 50: ...he device at first then choose Connect to Audio Sink in Right click menu or Device menu Users could also click Setup button follow the guide to configure the Bluetooth connection Note Most kinds of Bluetooth headsets and Bluetooth speakers should be supported If your device cannot be supported please contact us ...

Страница 51: ...1 1 http www avnet me maaxboardmini com 51 4 9 4 Other Configuration 1 In Adapter preferences user can modify the device name of the Bluetooth adapter 2 In View Local Services user can change the incoming folder for received files etc ...

Страница 52: ...aaxboardmini com 52 4 10 Image Viewer Double click the image file in file manager system will use Image Viewer to show the picture on the screen In Image Viewer users could full screen to view the picture zoom rotate the picture check picture properties etc ...

Страница 53: ...MaaXBoard_Mini Linux Debian UM V1 1 http www avnet me maaxboardmini com 53 To learn more open the help content by click the thumbnail in the menu bar ...

Страница 54: ...ystem Image to SD Card under Windows OS 1 Firstly you should prepare a SD card which is no less than 8GB 2 Then download and install Win32 Disk Imager from https sourceforge net projects win32diskimager 3 Select the system images file eg MaaXBoard_Mini LinuxShipmentImage Debian V1 0 2r05 img 4 Click Write button to burn the images ...

Страница 55: ...dc dev sdc2 dev sda1 dev sda5 dev sdb1 dev sdb5 dev sdc1 3 If SD Card is mounted umount it sudo umount dev sdc1 sudo umount dev sdc2 4 Burn the SD card with following instructions bmaptool create o burn map MaaXBoard_Mini LinuxShipmentImage Debian V1 0 2r05 img sudo bmaptool copy bmap burn map MaaXBoard_Mini LinuxShipmentImage Debian V1 0 2r05 img dev sdc 5 3 Update System Image in eMMC USB0 The l...

Страница 56: ...aXBoard support Linux Debian system and Android system for the detail software introduction please refer to related user manual Linux MaaXBoard Mini Linux Software Release Note MaaXBoard Mini Linux Software User Manual MaaXBoard Mini Linux Software Development Guide Android MaaXBoard Mini Android Software Release Note MaaXBoard Mini Android Software User Manual MaaXBoard Mini Android Software Deve...

Страница 57: ... measures accordingly Customers encounter issues related to software or hardware during their development process Customers encounter issues caused by any unauthorized alter to the embedded operating system Customers encounter issues related to their own applications Customers encounter issues caused by any unauthorized alter to the source code provided by Avnet Manufacturing Services 7 2 Warranty...

Страница 58: ...ed by customers or inappropriate settings of software or computer viruses Products purchased from unauthorized sales Warranty including verbal and written that is not made by Avnet Manufacturing Services and not included in the scope of our warranty should be fulfilled by the party who committed Avnet Manufacturing Services has no any responsibility Within the period of warranty the freight for se...

Страница 59: ...755 33190846 33190847 33190848 E mail Technical support support embest tech com Sales contact globalsales embest tech com Fax 86 755 25616057 Website http www embest tech com Address Tower B 4 F Shanshui Building Nanshan Yungu Innovation Industry Park Liuxian Ave No 4093 Nanshan District Shenzhen Guangdong China ...

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