@@ Line 1: / Line 1: @@
-[[Category:iMX8M Industrial]]
-[[Category:iMX8M Industrial Software]]
-[[Category:iMX8M Industrial Testing]]
-[[Category:iMX8M Industrial Peripherals]]
-<!-- -->
-<div style="float:right">__TOC__</div>
-Elemental operations of iMX8M Industrial Development Kit interfaces are shown on this page.
-== Prerequisites ==
-=== Hardware ===
-* DC power supply (5V, 4A)
-* iMX6 OpenRex SBC UltraPlus
-=== Peripherals and Accessories ===
-* 1x FullHD monitor with Audio output
-* 1x MicroSD card
-* 1x MiniPCIe WiFi card
-* 1x MiniPCIe 3G card
-* 1x RPi camera module
-* 1x SATA HDD drive
-* 2x USB FLASH drive
-* 1x Infrared remote
-=== Cables ===
-* Ethernet cable
-* HDMI cable
-* Micro USB cable
-* USB to UART cable
-* Headphones
-== Audio ==
-'''''Input:''''' Search kernel log for SGTL5000 chip<br />
-'''''Output:''''' Audio chip is detected and bound as an input device
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# dmesg | grep -i sgtl5000
-sgtl5000 1-000a: sgtl5000 revision 0x11
-sgtl5000 1-000a: Using internal LDO instead of VDDD
-imx-sgtl5000 sound-sgtl5000: sgtl5000 <-> 2028000.ssi mapping ok
-  #0: imx-audio-sgtl5000
-</syntaxhighlight>
-'''''Input:''''' Run alsamixer command<br />
-'''''Output:''''' Card imx-audio-sgtl5000 is available
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# alsamixer
-lqqqqqqqqqqqqqqqqqqqqqqqqqqqqq AlsaMixer v1.0.29 qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqk
-x Card: imx-audio-sgtl5000                             F1:  Help               x
-x Chip:                                                F2:  System information x
-x View: F3:[Playback] F4: Capture  F5: All             F6:  Select sound card  x
-x Item: Headphone [dB gain: -19.00, -20.00]            Esc: Exit               x
-x                                                                              x
-x     lqqk                       lqqk     lqqk                                 x
-x     x  x                       x  x     x  x                                 x
-x     x  x                       x  x     x  x                                 x
-x     x  x                       x  x     x  x                                 x
-x     x  x                       xaax     x  x                                 x
-x     x  x                       xaax     x  x                                 x
-x     x  x                       xaax     x  x                                 x
-x     x  x                       xaax     x  x                                 x
-x     x  x                       xaax     x  x                                 x
-x     xa x                       xaax     x  x                                 x
-x     xaax                       xaax     x  x                                 x
-x     xaax                       xaax     x  x                                 x
-x     mqqj     DAC      lqqk     mqqj     mqqj     lqqk    MIC_IN    lqqk      x
-x                       xOOx                       xMMx              xOOx      x
-x                       mqqj                       mqqj              mqqj      x
-x    24<>23                     75<>75     0                                   x
-x  <Headphon>Headphon Headphon   PCM      Mic    Capture  Capture  Capture     x
-mqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqj
-</syntaxhighlight>
-'''''Input:''''' Boot-up the board with HDMI cable plugged in, connect headphones into HP_OUT connector and plug-in USB flash drive with MP3 file on it<br />
-'''''Output:''''' Sound is played and heard
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# aplay multimedia/sample.wav
-Playing WAVE 'multimedia/sample.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo
-</syntaxhighlight>
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# #aplay -D sysdefault:CARD=imxaudiosgtl500 multimedia/sample.wav
-root@imx6-openrexultra:~# aplay -D sysdefault:CARD=sgtl5000audio multimedia/sample.wav
-Playing WAVE 'multimedia/sample.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo
-</syntaxhighlight>
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# aplay -D sysdefault:CARD=imxhdmisoc multimedia/sample.wav
-Playing WAVE 'multimedia/sample.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo
-</syntaxhighlight>
-'''''Input:''''' Plug headphones with microphone input into HP_OUT connector<br />
-'''''Output:''''' Microphone sound is played in headphones
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# #arecord -D sysdefault:CARD=imxaudiosgtl500 -t wav -f cd | aplay -D sysdefault:CARD=imxaudiosgtl500
-root@imx6-openrexultra:~# arecord -D sysdefault:CARD=sgtl5000audio -t wav -f cd | aplay -D sysdefault:CARD=sgtl5000audio
-</syntaxhighlight>
-'''''Input:''''' Plug headphones with microphone input into HP_OUT connector<br />
-'''''Output:''''' Sound is recorded and played afterwards
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# #arecord -D sysdefault:CARD=imxaudiosgtl500 -t wav -f cd -d 10 multimedia/recorded.wav
-root@imx6-openrexultra:~# arecord -D sysdefault:CARD=sgtl5000audio -t wav -f cd -d 10 multimedia/recorded.wav
-Recording WAVE 'multimedia/recorded.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo
-root@imx6-openrexultra:~# #aplay -D sysdefault:CARD=imxaudiosgtl500 multimedia/recorded.wav
-root@imx6-openrexultra:~# aplay -D sysdefault:CARD=sgtl5000audio multimedia/recorded.wav
-Playing WAVE 'multimedia/recorded.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo
-</syntaxhighlight>
-== User button ==
-'''''Input:''''' Press Home/Back-/Menu+ buttons<br />
-'''''Output:''''' Button events 1 and 0 are generated
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# evtest /dev/input/by-path/platform-gpio-keys*-event
-Input driver version is 1.0.1
-Input device ID: bus 0x19 vendor 0x1 product 0x1 version 0x100
-Input device name: "gpio-keys"
-Supported events:
-  Event type 0 (EV_SYN)
-  Event type 1 (EV_KEY)
-    Event code 102 (KEY_HOME)
-    Event code 139 (KEY_MENU)
-    Event code 158 (KEY_BACK)
-Properties:
-Testing ... (interrupt to exit)
-Event: time 1473952105.010541, type 1 (EV_KEY), code 102 (KEY_HOME), value 1
-Event: time 1473952105.010541, -------------- SYN_REPORT ------------
-Event: time 1473952105.140569, type 1 (EV_KEY), code 102 (KEY_HOME), value 0
-Event: time 1473952105.140569, -------------- SYN_REPORT ------------
-Event: time 1473952106.320588, type 1 (EV_KEY), code 158 (KEY_BACK), value 1
-Event: time 1473952106.320588, -------------- SYN_REPORT ------------
-Event: time 1473952106.440540, type 1 (EV_KEY), code 158 (KEY_BACK), value 0
-Event: time 1473952106.440540, -------------- SYN_REPORT ------------
-Event: time 1473952109.630544, type 1 (EV_KEY), code 139 (KEY_MENU), value 1
-Event: time 1473952109.630544, -------------- SYN_REPORT ------------
-Event: time 1473952109.760589, type 1 (EV_KEY), code 139 (KEY_MENU), value 0
-Event: time 1473952109.760589, -------------- SYN_REPORT ------------
-</syntaxhighlight>
-=== Alternative test ===
-'''''Input:''''' Press Home/Back-/Menu+ buttons<br />
-'''''Output:''''' Button events 1 and 0 are generated
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# hexdump -C /dev/input/by-path/platform-gpio-keys-event
-00000000  ef e7 da 57 ca 8e 0a 00  01 00 66 00 01 00 00 00  |...W......f.....|
-00000010  ef e7 da 57 ca 8e 0a 00  00 00 00 00 00 00 00 00  |...W............|
-00000020  ef e7 da 57 9f b1 0c 00  01 00 66 00 00 00 00 00  |...W......f.....|
-00000030  ef e7 da 57 9f b1 0c 00  00 00 00 00 00 00 00 00  |...W............|
-00000040  f0 e7 da 57 28 70 06 00  01 00 9e 00 01 00 00 00  |...W(p..........|
-00000050  f0 e7 da 57 28 70 06 00  00 00 00 00 00 00 00 00  |...W(p..........|
-00000060  f0 e7 da 57 18 93 08 00  01 00 9e 00 00 00 00 00  |...W............|
-00000070  f0 e7 da 57 18 93 08 00  00 00 00 00 00 00 00 00  |...W............|
-00000080  f1 e7 da 57 69 78 02 00  01 00 8b 00 01 00 00 00  |...Wix..........|
-00000090  f1 e7 da 57 69 78 02 00  00 00 00 00 00 00 00 00  |...Wix..........|
-a0  f1 e7 da 57 68 9b 04 00  01 00 8b 00 00 00 00 00  |...Wh...........|
-b0  f1 e7 da 57 68 9b 04 00  00 00 00 00 00 00 00 00  |...Wh...........|
-</syntaxhighlight>
-== Reset button ==
-'''''Input:''''' Press the RESET button<br />
-'''''Output:''''' The board will execute bootloader immediately with "Reset cause: POR"<br />
-'''''Note:''''' iMX6 OpenRex SBC should never freeze or hang after the reset button was pressed. Testing the operation 10 times gives a reliable result
-<syntaxhighlight lang="bash">
-U-Boot 2015.10+fslc+g7d8ddd7 (Dec 15 2016 - 18:52:24 +0100)
-CPU:   Freescale i.MX6QUAD rev1.1 996 MHz (running at 792 MHz)
-CPU:   Extended Commercial temperature grade (-20C to 105C) at 44C
-Reset cause: POR
-Board: iMX6-OpenRex
-I2C:   ready
-DRAM:  512 MiB
-MMC:   FSL_SDHC: 0
-SF: Detected SST26VF032B with page size 256 Bytes, erase size 4 KiB, total 4 MiB
-In:    serial
-Out:   serial
-Err:   serial
-Net:   FEC [PRIME]
-Hit any key to stop autoboot:  0
-OpenRex U-Boot>
-</syntaxhighlight>
-== CAN ==
-'''''Input:''''' None<br />
-'''''Output:''''' Device driver is available
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# ip addr show dev can0
-: can0: <NOARP,ECHO> mtu 16 qdisc noop state DOWN group default qlen 10
-    link/can
-root@imx6-openrexultra:~# ip addr show dev can1
-: can1: <NOARP,ECHO> mtu 16 qdisc noop state DOWN group default qlen 10
-    link/can
-</syntaxhighlight>
-== Camera Input  ==
-'''''Input:''''' Connect RPi camera module into CSI interface and check if it is detected on I2C bus<br />
-'''''Output:''''' I2C address 0x36 is occupied and under use<br />
-'''''Note:''''' HDMI monitor may cause I2C communication issues
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# i2cdetect -y 1
-  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
-:          -- -- -- -- -- -- -- UU -- -- -- -- --
-: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-: -- -- -- -- -- -- UU -- -- -- -- -- -- -- -- --
-: UU -- -- -- -- -- -- -- UU -- -- -- -- -- -- --
-: UU -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-: -- -- -- -- -- -- -- --
-</syntaxhighlight>
-'''''Input:''''' Connect RPi camera into CSI interface and check kernel modules<br />
-'''''Output:''''' Device driver ov5647_camera_mipi_int(or ov5647_camera_mipi) is loaded
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# lsmod
-Module                  Size  Used by
-mxc_v4l2_capture       27362  1
-ipu_bg_overlay_sdc      5230  1 mxc_v4l2_capture
-ipu_still               2304  1 mxc_v4l2_capture
-ipu_prp_enc             5864  1 mxc_v4l2_capture
-ipu_csi_enc             3807  1 mxc_v4l2_capture
-ipu_fg_overlay_sdc      6056  1 mxc_v4l2_capture
-lm75                    4768  0
-sht21                   2126  0
-ov5647_camera_mipi_int    30415  0
-v4l2_int_device         2897  3 ov5647_camera_mipi_int,ipu_csi_enc,mxc_v4l2_capture
-at24                    5488  0
-fxas2100x               6680  0
-fxos8700                9014  0
-mxc_dcic                6536  0
-iwl4965                88394  0
-iwlegacy               62850  1 iwl4965
-galcore               226429  2
-</syntaxhighlight>
-'''''Input:''''' Connect RPi camera module into CSI interface and capture image<br />
-'''''Output:''''' The image is displayed on HDMI monitor
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# echo 2 > /sys/bus/i2c/devices/1-0036/ov5647_mode
-root@imx6-openrexultra:~# gst-launch-1.0 v4l2src device="/dev/video0" ! video/x-bayer,width=1920,height=1080,framerate=30/1 ! queue ! bayer2rgb ! videoconvert ! fbdevsink
-Setting pipeline to PAUSED ...
-Pipeline is live and does not need PREROLL ...
-Setting pipeline to PLAYING ...
-New clock: GstSystemClock
-ERROR: v4l2 capture: unsupported ioctrl!
-ERROR: v4l2 capture: unsupported ioctrl!
-WARNING: from element /GstPipeline:pipeline0/GstFBDEVSink:fbdevsink0: A lot of buffers are being dropped.
-Additional debug info:
-/home/marek/workdir/imx6/yocto/fsl-release-bsp-4.1/build-x11/tmp/work/cortexa9hf-vfp-neon-poky-linux-gnueabi/gstreamer1.0/1.6.0-r0/gstreamer-1.6.0/libs/gst/base/gstbasesink.c(2846): gst_base_sink_is_too_la:
-There may be a timestamping problem, or this computer is too slow.
-mxc_hdmi 20e0000.hdmi_video: Read EDID again
-mxc_hdmi 20e0000.hdmi_video: create default modelist
-EVENT plugin
-WARNING: from element /GstPipeline:pipeline0/GstFBDEVSink:fbdevsink0: A lot of buffers are being dropped.
-Additional debug info:
-/home/marek/workdir/imx6/yocto/fsl-release-bsp-4.1/build-x11/tmp/work/cortexa9hf-vfp-neon-poky-linux-gnueabi/gstreamer1.0/1.6.0-r0/gstreamer-1.6.0/libs/gst/base/gstbasesink.c(2846): gst_base_sink_is_too_la:
-There may be a timestamping problem, or this computer is too slow.
-^Chandling interrupt.
-Interrupt: Stopping pipeline ...
-Execution ended after 0:00:27.103901670
-Setting pipeline to PAUSED ...
-Setting pipeline to READY ...
-Setting pipeline to NULL ...
-Freeing pipeline ...
-power_down_callback: ipu0/csi1
-</syntaxhighlight>
-=== Alternative test ===
-'''''Input:''''' Connect RPi camera module into CSI interface and capture image<br />
-'''''Output:''''' The image is displayed on HDMI monitor
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# echo 1 > /sys/bus/i2c/devices/1-0036/ov5647_mode
-root@imx6-openrexultra:~# gst-launch-1.0 v4l2src device="/dev/video0" ! video/x-bayer,width=1280,height=720,framerate=30/1 ! queue ! bayer2rgb ! videoconvert ! fbdevsink
-Setting pipeline to PAUSED ...
-Pipeline is live and does not need PREROLL ...
-Setting pipeline to PLAYING ...
-New clock: GstSystemClock
-ERROR: v4l2 capture: unsupported ioctrl!
-ERROR: v4l2 capture: unsupported ioctrl!
-WARNING: from element /GstPipeline:pipeline0/GstFBDEVSink:fbdevsink0: A lot of buffers are being dropped.
-Additional debug info:
-/home/marek/workdir/imx6/yocto/fsl-release-bsp-4.1/build-x11/tmp/work/cortexa9hf-vfp-neon-poky-linux-gnueabi/gstreamer1.0/1.6.0-r0/gstreamer-1.6.0/libs/gst/base/gstbasesink.c(2846): gst_base_sink_is_too_la:
-There may be a timestamping problem, or this computer is too slow.
-^Chandling interrupt.
-Interrupt: Stopping pipeline ...
-Execution ended after 0:00:06.514209667
-Setting pipeline to PAUSED ...
-Setting pipeline to READY ...
-Setting pipeline to NULL ...
-Freeing pipeline ...
-root@imx6-openrexultra:~# power_down_callback: ipu0/csi1
-</syntaxhighlight>
-Software integration and additional commands or settings of CSI camera interface are available on separate [[iMX6 OpenRex Camera|iMX6 OpenRex Camera page]].
-== Ethernet ==
-'''''Input:''''' None<br />
-'''''Output:''''' Device driver is available<br />
-'''''Note:''''' MAC address should be identical with the address on the sticker placed on the board
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# ip addr show dev eth0
-: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
-    link/ether 00:0d:15:00:d1:75 brd ff:ff:ff:ff:ff:ff
-</syntaxhighlight>
-'''''Input:''''' Plug Ethernet cable into connector and issue DHCP command<br />
-'''''Output:''''' IPv4 address is assigned
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# dmesg | tail
-...
-fec 2188000.ethernet eth0: Link is Down
-fec 2188000.ethernet eth0: Link is Up - 100Mbps/Full - flow control off
-</syntaxhighlight>
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# udhcpc -i eth0
-udhcpc (v1.23.2) started
-Sending discover...
-Sending discover...
-Sending select for 192.168.1.39...
-Lease of 192.168.1.39 obtained, lease time 600
-/etc/udhcpc.d/50default: Adding DNS 192.168.1.1
-/etc/udhcpc.d/50default: Adding DNS 192.168.1.2
-</syntaxhighlight>
-== HDMI Output ==
-'''''Input:''''' Connect LCD monitor to the SBC<br />
-'''''Output:''''' Desktop UI is displayed correctly<br />
-[[image:iMX6_TinyRex_Development_Kit-HDMI_terminal.png|580px]]
-== I2C ==
-'''''Input:''''' Scan I2C bus 0<br />
-'''''Output:''''' Available devices:<br />
-* PMIC control (0x08)
-* Compass + Accelerometer FXOS8700 (0x1C)
-* Gyroscope FXAS21002 (0x20)
-* EEPROM (0x50/0x57)
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# i2cdetect -y 0
-  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
-:          -- -- -- -- -- UU -- -- -- -- -- -- --
-: -- -- -- -- -- -- -- -- -- -- -- -- UU -- -- --
-: UU -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-: UU UU UU UU UU UU UU UU -- -- -- -- -- -- -- --
-: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-: -- -- -- -- -- -- -- --
-</syntaxhighlight>
-'''''Input:''''' Scan I2C bus 1<br />
-'''''Output:''''' Available devices:<br />
-* Audio SGTL5000 (0x0A)
-* CSI Camera (0x36)
-* Humidity sensor SHT21 (0x40)
-* Temperature sensor TMP101 (0x48)
-* HDMI Output EDID (0x50)
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# i2cdetect -y 1
-  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
-:          -- -- -- -- -- -- -- UU -- -- -- -- --
-: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-: -- -- -- -- -- -- UU -- -- -- -- -- -- -- -- --
-: UU -- -- -- -- -- -- -- UU -- -- -- -- -- -- --
-: UU -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-: -- -- -- -- -- -- -- --
-</syntaxhighlight>
-'''''Input:''''' Scan I2C bus 2<br />
-'''''Output:''''' This I2C bus is reserved for external use and accessible via connectors<br />
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# i2cdetect -y 2
-  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
-:          -- -- -- -- -- -- -- -- -- -- -- -- --
-: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-: -- -- -- -- -- -- -- --
-</syntaxhighlight>
-'''''Input:''''' Trigger I2C EEPROM detection<br />
-'''''Output:''''' I2C EEPROM is detected
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# echo -n "0-0050" > /sys/bus/i2c/drivers/at24/unbind
-root@imx6-openrexultra:~# echo -n "0-0050" > /sys/bus/i2c/drivers/at24/bind
-at24 0-0050: 2048 byte 24c16 EEPROM, writable, 1 bytes/write
-</syntaxhighlight>
-'''''Input:''''' Write and read data from I2C EEPROM<br />
-'''''Output:''''' If successful, console text 'Data are the same' should appear
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# echo -n "0123" > eeprom_in
-root@imx6-openrexultra:~# cat eeprom_in > /sys/bus/i2c/devices/0-0050/eeprom
-root@imx6-openrexultra:~# head -c 4 /sys/bus/i2c/devices/0-0050/eeprom > eeprom_out
-root@imx6-openrexultra:~# diff eeprom_in eeprom_out && echo "Data are the same"
-Data are the same
-</syntaxhighlight>
-=== Altarnative test ===
-'''''Input:''''' List I2C bus 0, 1 and 2<br />
-'''''Output:''''' Available devices are displayed
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# ls /sys/bus/i2c/devices/i2c-0 | grep ^[0]
--0008
--001c
--0020
--0050
--0051
--0052
--0053
--0054
--0055
--0056
--0057
-</syntaxhighlight>
-== Sensors ==
-'''''Input:''''' Test Compass, Accelerometer (FXOS8700) and Gyroscope (FXAS21002) sensors<br />
-'''''Output:''''' Sensors are registered by the Linux kernel
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# echo 1 > /sys/devices/virtual/misc/FreescaleAccelerometer/enable
-root@imx6-openrexultra:~# echo 1 > /sys/devices/virtual/misc/FreescaleMagnetometer/enable
-root@imx6-openrexultra:~# echo 1 > /sys/devices/virtual/misc/FreescaleGyroscope/enable
-misc FreescaleGyroscope: mma enable setting active
-root@imx6-openrexultra:~# evtest
-No device specified, trying to scan all of /dev/input/event*
-Available devices:
-/dev/input/event0:      gpio_ir_recv
-/dev/input/event1:      MCE IR Keyboard/Mouse (gpio-rc-recv)
-/dev/input/event2:      gpio-keys
-/dev/input/event3:      fxos8700
-/dev/input/event4:      fxas2100x
-Select the device event number [0-4]: 3
-...
-root@imx6-openrexultra:~# evtest
-No device specified, trying to scan all of /dev/input/event*
-Available devices:
-/dev/input/event0:      gpio_ir_recv
-/dev/input/event1:      MCE IR Keyboard/Mouse (gpio-rc-recv)
-/dev/input/event2:      gpio-keys
-/dev/input/event3:      fxos8700
-/dev/input/event4:      fxas2100x
-Select the device event number [0-4]: 4
-...
-root@imx6-openrexultra:~# echo 0 > /sys/devices/virtual/misc/FreescaleAccelerometer/enable
-root@imx6-openrexultra:~# echo 0 > /sys/devices/virtual/misc/FreescaleMagnetometer/enable
-root@imx6-openrexultra:~# echo 0 > /sys/devices/virtual/misc/FreescaleGyroscope/enable
-</syntaxhighlight>
-'''''Input:''''' Test SHT21 humidity sensor<br />
-'''''Output:''''' Sensor provides actual humidity and temperature values
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# cat /sys/devices/soc0/soc/2100000.aips-bus/21a4000.i2c/i2c-1/1-0040/hwmon/hwmon*/humidity1_input
-root@imx6-openrexultra:~# cat /sys/devices/soc0/soc/2100000.aips-bus/21a4000.i2c/i2c-1/1-0040/hwmon/hwmon*/temp1_input
-</syntaxhighlight>
-'''''Input:''''' Test TMP101 temperature sensor<br />
-'''''Output:''''' Sensor provides current temperature readout
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# cat /sys/devices/soc0/soc/2100000.aips-bus/21a4000.i2c/i2c-1/1-0048/hwmon/hwmon*/temp1_input
-</syntaxhighlight>
-== Infrared receiver ==
-'''''Input:''''' Press Infrared remote keys. (For Samsung Infrared remote load "nec" protocol)<br />
-'''''Output:''''' Events are detected
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# echo nec > /sys/devices/soc0/ir-receiver/rc/rc0/protocols
-root@imx6-openrexultra:~# evtest /dev/input/by-path/platform-ir-receiver-event
-Input driver version is 1.0.1
-Input device ID: bus 0x19 vendor 0x1 product 0x1 version 0x100
-Input device name: "gpio_ir_recv"
-Supported events:
-  Event type 0 (EV_SYN)
-  Event type 1 (EV_KEY)
-    Event code 152 (KEY_SCREENLOCK)
-  Event type 4 (EV_MSC)
-    Event code 4 (MSC_SCAN)
-Key repeat handling:
-  Repeat type 20 (EV_REP)
-    Repeat code 0 (REP_DELAY)
-      Value    500
-    Repeat code 1 (REP_PERIOD)
-      Value    125
-Properties:
-Testing ... (interrupt to exit)
-Event: time 1474009071.488894, type 4 (EV_MSC), code 4 (MSC_SCAN), value 70707
-Event: time 1474009071.488894, -------------- SYN_REPORT ------------
-Event: time 1474009072.178245, type 4 (EV_MSC), code 4 (MSC_SCAN), value 7070b
-Event: time 1474009072.178245, -------------- SYN_REPORT ------------
-</syntaxhighlight>
-== User LED ==
-'''''Input:''''' None<br />
-'''''Output:''''' Script switches User LED ON and OFF in one second intervals
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~#
-for LED in /sys/devices/soc0/leds*/leds/*
-do
-	echo Testing ${LED}
-	echo -n "1" > ${LED}/brightness
-	sleep 1
-	echo -n "0" > ${LED}/brightness
-	sleep 1
-done
-</syntaxhighlight>
-'''''Input:''''' None<br />
-'''''Output:''''' User LED is set to heartbeat blinking sequence
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# echo -n "heartbeat" >  /sys/devices/soc0/leds*/leds/module-led/trigger
-</syntaxhighlight>
-== SD Activity LED ==
-'''''Input:''''' None<br />
-'''''Output:''''' SD activity LED is set to show the status of SD card interface
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# echo -n "mmc1" > /sys/devices/soc0/leds*/leds/sd-activity-led/trigger
-</syntaxhighlight>
-== Microcontroller LPC1347 ==
-'''''Input:''''' LPC1347 firmware<br />
-'''''Output:''''' MCU program is executed and LED starts blinking
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# openrex-isp-handler.sh lpc/LPC1347-userLED.bin
-ISP low
-RST low
-RST high
-lpc21isp version 1.97
-File lpc/LPC1347-userLED.bin:
-        loaded...
-        image size : 1068
-Image size : 1068
-Synchronizing (ESC to abort). OK
-Read bootcode version: 2
-Read part ID: LPC1345, 32 kiB FLASH / 8 kiB SRAM (0x28010541)
-Will start programming at Sector 1 if possible, and conclude with Sector 0 to ensure that checksum is written last.
-Erasing sector 0 first, to invalidate checksum. OK
-Sector 0: ..........................
-Download Finished... taking 0 seconds
-Now launching the brand new code
-RST low
-ISP high
-RST high
-</syntaxhighlight>
-== DDR memory ==
-'''''Input:''''' None<br />
-'''''Output:''''' Memory test passes without any errors
-<syntaxhighlight lang="bash">
-root@imx6-openrexultra:~# memtester 2G 1
-memtester version 4.1.3 (32-bit)
-Copyright (C) 2010 Charles Cazabon.
-Licensed under the GNU General Public License version 2 (only).
-pagesize is 4096
-pagesizemask is 0xfffff000
-want 2048MB (2147483648 bytes)
-got  251MB (263602176 bytes), trying mlock ...locked.
-Loop 1/1:
-  Stuck Address       : ok
-  Random Value        : ok
-  Compare XOR         : ok
-  Compare SUB         : ok
-  Compare MUL         : ok
-  Compare DIV         : ok
-  Compare OR

Difference between revisions of "iMX8M Industrial Basic Accessing and Testing Peripherals"

Latest revision as of 09:47, 11 January 2022

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