$ dmesg [ 6.294914] media: Linux media interface: v0.10 [ 6.324668] Linux video capture interface: v2.00 [ 6.381431] bcm2835-v4l2: scene mode selected 0, was 0 [ 6.381912] bcm2835-v4l2: V4L2 device registered as video0 - stills mode > 1280x720 [ 6.396970] bcm2835-v4l2: Broadcom 2835 MMAL video capture ver 0.0.2 loaded. |
$ v4l2-ctl General/Common options: --all display all information available -C, --get-ctrl=<ctrl>[,<ctrl>...] get the value of the controls [VIDIOC_G_EXT_CTRLS] -c, --set-ctrl=<ctrl>=<val>[,<ctrl>=<val>...] set the value of the controls [VIDIOC_S_EXT_CTRLS] -D, --info show driver info [VIDIOC_QUERYCAP] -d, --device=<dev> use device <dev> instead of /dev/video0 if <dev> starts with a digit, then /dev/video<dev> is used -h, --help display this help message --help-all all options --help-io input/output options --help-misc miscellaneous options --help-overlay overlay format options --help-selection crop/selection options --help-stds standards and other video timings options --help-streaming streaming options --help-tuner tuner/modulator options --help-vbi VBI format options --help-vidcap video capture format options --help-vidout vidout output format options -k, --concise be more concise if possible. -l, --list-ctrls display all controls and their values [VIDIOC_QUERYCTRL] -L, --list-ctrls-menus display all controls and their menus [VIDIOC_QUERYMENU] -w, --wrapper use the libv4l2 wrapper library. --list-devices list all v4l devices --log-status log the board status in the kernel log [VIDIOC_LOG_STATUS] --get-priority query the current access priority [VIDIOC_G_PRIORITY] --set-priority=<prio> set the new access priority [VIDIOC_S_PRIORITY] <prio> is 1 (background), 2 (interactive) or 3 (record) --silent only set the result code, do not print any messages --sleep=<secs> sleep <secs>, call QUERYCAP and close the file handle --verbose turn on verbose ioctl status reporting |
$ v4l2-ctl --help-all General/Common options: --all display all information available -C, --get-ctrl=<ctrl>[,<ctrl>...] get the value of the controls [VIDIOC_G_EXT_CTRLS] -c, --set-ctrl=<ctrl>=<val>[,<ctrl>=<val>...] set the value of the controls [VIDIOC_S_EXT_CTRLS] -D, --info show driver info [VIDIOC_QUERYCAP] -d, --device=<dev> use device <dev> instead of /dev/video0 if <dev> starts with a digit, then /dev/video<dev> is used -h, --help display this help message --help-all all options --help-io input/output options --help-misc miscellaneous options --help-overlay overlay format options --help-selection crop/selection options --help-stds standards and other video timings options --help-streaming streaming options --help-tuner tuner/modulator options --help-vbi VBI format options --help-vidcap video capture format options --help-vidout vidout output format options -k, --concise be more concise if possible. -l, --list-ctrls display all controls and their values [VIDIOC_QUERYCTRL] -L, --list-ctrls-menus display all controls and their menus [VIDIOC_QUERYMENU] -w, --wrapper use the libv4l2 wrapper library. --list-devices list all v4l devices --log-status log the board status in the kernel log [VIDIOC_LOG_STATUS] --get-priority query the current access priority [VIDIOC_G_PRIORITY] --set-priority=<prio> set the new access priority [VIDIOC_S_PRIORITY] <prio> is 1 (background), 2 (interactive) or 3 (record) --silent only set the result code, do not print any messages --sleep=<secs> sleep <secs>, call QUERYCAP and close the file handle --verbose turn on verbose ioctl status reporting Tuner/Modulator options: -F, --get-freq query the frequency [VIDIOC_G_FREQUENCY] -f, --set-freq=<freq> set the frequency to <freq> MHz [VIDIOC_S_FREQUENCY] -T, --get-tuner query the tuner settings [VIDIOC_G_TUNER] -t, --set-tuner=<mode> set the audio mode of the tuner [VIDIOC_S_TUNER] Possible values: mono, stereo, lang2, lang1, bilingual --tuner-index=<idx> Use idx as tuner idx for tuner/modulator commands --list-freq-bands display all frequency bands for the tuner/modulator [VIDIOC_ENUM_FREQ_BANDS] --get-modulator query the modulator settings [VIDIOC_G_MODULATOR] --set-modulator=<txsubchans> set the sub-carrier modulation [VIDIOC_S_MODULATOR] <txsubchans> is one of: mono: Modulate as mono mono-rds: Modulate as mono with RDS (radio only) stereo: Modulate as stereo stereo-rds: Modulate as stereo with RDS (radio only) bilingual: Modulate as bilingual mono-sap: Modulate as mono with Second Audio Program stereo-sap: Modulate as stereo with Second Audio Program --freq-seek=dir=<0/1>,wrap=<0/1>,spacing=<hz>,low=<freq>,high=<freq> perform a hardware frequency seek [VIDIOC_S_HW_FREQ_SEEK] dir is 0 (seek downward) or 1 (seek upward) wrap is 0 (do not wrap around) or 1 (wrap around) spacing sets the seek resolution (use 0 for default) low and high set the low and high seek frequency range in MHz Input/Output options: -I, --get-input query the video input [VIDIOC_G_INPUT] -i, --set-input=<num> set the video input to <num> [VIDIOC_S_INPUT] -N, --list-outputs display video outputs [VIDIOC_ENUMOUTPUT] -n, --list-inputs display video inputs [VIDIOC_ENUMINPUT] -O, --get-output query the video output [VIDIOC_G_OUTPUT] -o, --set-output=<num> set the video output to <num> [VIDIOC_S_OUTPUT] --set-audio-output=<num> set the audio output to <num> [VIDIOC_S_AUDOUT] --get-audio-input query the audio input [VIDIOC_G_AUDIO] --set-audio-input=<num> set the audio input to <num> [VIDIOC_S_AUDIO] --get-audio-output query the audio output [VIDIOC_G_AUDOUT] --set-audio-output=<num> set the audio output to <num> [VIDIOC_S_AUDOUT] --list-audio-outputs display audio outputs [VIDIOC_ENUMAUDOUT] --list-audio-inputs display audio inputs [VIDIOC_ENUMAUDIO] Standards/Timings options: --list-standards display supported video standards [VIDIOC_ENUMSTD] -S, --get-standard query the video standard [VIDIOC_G_STD] -s, --set-standard=<num> set the video standard to <num> [VIDIOC_S_STD] <num> a numerical v4l2_std value, or one of: pal or pal-X (X = B/G/H/N/Nc/I/D/K/M/60) (V4L2_STD_PAL) ntsc or ntsc-X (X = M/J/K) (V4L2_STD_NTSC) secam or secam-X (X = B/G/H/D/K/L/Lc) (V4L2_STD_SECAM) --get-detected-standard display detected input video standard [VIDIOC_QUERYSTD] --list-dv-timings list supp. standard dv timings [VIDIOC_ENUM_DV_TIMINGS] --set-dv-bt-timings query: use the output of VIDIOC_QUERY_DV_TIMINGS index=<index>: use the index as provided by --list-dv-timings or give a fully specified timings: width=<width>,height=<height>,interlaced=<0/1>, polarities=<polarities mask>,pixelclock=<pixelclock Hz>, hfp=<horizontal front porch>,hs=<horizontal sync>, hbp=<horizontal back porch>,vfp=<vertical front porch>, vs=<vertical sync>,vbp=<vertical back porch>, il_vfp=<vertical front porch for bottom field>, il_vs=<vertical sync for bottom field>, il_vbp=<vertical back porch for bottom field>, set the digital video timings according to the BT 656/1120 standard [VIDIOC_S_DV_TIMINGS] --get-dv-timings get the digital video timings in use [VIDIOC_G_DV_TIMINGS] --query-dv-timings query the detected dv timings [VIDIOC_QUERY_DV_TIMINGS] --get-dv-timings-cap get the dv timings capabilities [VIDIOC_DV_TIMINGS_CAP] Video Capture Formats options: --list-formats display supported video formats [VIDIOC_ENUM_FMT] --list-formats-mplane display supported video multi-planar formats [VIDIOC_ENUM_FMT] --list-formats-ext display supported video formats including frame sizes and intervals --list-formats-ext-mplane display supported video multi-planar formats including frame sizes and intervals --list-framesizes=<f> list supported framesizes for pixelformat <f> [VIDIOC_ENUM_FRAMESIZES] pixelformat is the fourcc value as a string --list-frameintervals=width=<w>,height=<h>,pixelformat=<f> list supported frame intervals for pixelformat <f> and the given width and height [VIDIOC_ENUM_FRAMEINTERVALS] pixelformat is the fourcc value as a string -V, --get-fmt-video query the video capture format [VIDIOC_G_FMT] -v, --set-fmt-video=width=<w>,height=<h>,pixelformat=<f> set the video capture format [VIDIOC_S_FMT] pixelformat is either the format index as reported by --list-formats, or the fourcc value as a string --try-fmt-video=width=<w>,height=<h>,pixelformat=<f> try the video capture format [VIDIOC_TRY_FMT] pixelformat is either the format index as reported by --list-formats, or the fourcc value as a string --get-fmt-video-mplane query the video capture format through the multi-planar API [VIDIOC_G_FMT] --set-fmt-video-mplane --try-fmt-video-mplane=width=<w>,height=<h>,pixelformat=<f> set/try the video capture format using the multi-planar API [VIDIOC_S/TRY_FMT] pixelformat is either the format index as reported by --list-formats-mplane, or the fourcc value as a string Video Output Formats options: --list-formats-out display supported video output formats [VIDIOC_ENUM_FMT] --get-fmt-video-out query the video output format [VIDIOC_G_FMT] --set-fmt-video-out --try-fmt-video-out=width=<w>,height=<h>,pixelformat=<f> set/try the video output format [VIDIOC_TRY_FMT] pixelformat is either the format index as reported by --list-formats-out, or the fourcc value as a string --list-formats-out-mplane display supported video output multi-planar formats [VIDIOC_ENUM_FMT] --get-fmt-video-out-mplane query the video output format using the multi-planar API [VIDIOC_G_FMT] --set-fmt-video-out-mplane --try-fmt-video-out-mplane=width=<w>,height=<h>,pixelformat=<f> set/try the video output format with the multi-planar API [VIDIOC_S/TRY_FMT] pixelformat is either the format index as reported by --list-formats-out-mplane, or the fourcc value as a string Video Overlay options: --list-formats-overlay display supported overlay formats [VIDIOC_ENUM_FMT] --overlay=<on> turn overlay on (1) or off (0) (VIDIOC_OVERLAY) --get-fmt-overlay query the video overlay format [VIDIOC_G_FMT] --get-fmt-output-overlay query the video output overlay format [VIDIOC_G_FMT] --set-fmt-overlay --try-fmt-overlay --set-fmt-output-overlay --try-fmt-output-overlay=chromakey=<key>,global_alpha=<alpha>, top=<t>,left=<l>,width=<w>,height=<h>,field=<f> set/try the video or video output overlay format [VIDIOC_S/TRY_FMT], <f> can be one of: any, none, top, bottom, interlaced, seq_tb, seq_bt, alternate, interlaced_tb, interlaced_bt --get-fbuf query the overlay framebuffer data [VIDIOC_G_FBUF] --set-fbuf=chromakey=<b>,global_alpha=<b>,local_alpha=<b>,local_inv_alpha=<b> set the overlay framebuffer [VIDIOC_S_FBUF] b = 0 or 1 VBI Formats options: --get-sliced-vbi-cap query the sliced VBI capture capabilities [VIDIOC_G_SLICED_VBI_CAP] --get-sliced-vbi-out-cap query the sliced VBI output capabilities [VIDIOC_G_SLICED_VBI_CAP] -B, --get-fmt-sliced-vbi query the sliced VBI capture format [VIDIOC_G_FMT] --get-fmt-sliced-vbi-out query the sliced VBI output format [VIDIOC_G_FMT] -b, --set-fmt-sliced-vbi --try-fmt-sliced-vbi --set-fmt-sliced-vbi-out --try-fmt-sliced-vbi-out=<mode> set/try the sliced VBI capture/output format to <mode> [VIDIOC_S/TRY_FMT], <mode> is a comma separated list of: off: turn off sliced VBI (cannot be combined with other modes) teletext: teletext (PAL/SECAM) cc: closed caption (NTSC) wss: widescreen signal (PAL/SECAM) vps: VPS (PAL/SECAM) --get-fmt-vbi query the VBI capture format [VIDIOC_G_FMT] --get-fmt-vbi-out query the VBI output format [VIDIOC_G_FMT] Selection/Cropping options: --get-cropcap query the crop capabilities [VIDIOC_CROPCAP] --get-crop query the video capture crop window [VIDIOC_G_CROP] --set-crop=top=<x>,left=<y>,width=<w>,height=<h> set the video capture crop window [VIDIOC_S_CROP] --get-cropcap-output query crop capabilities for video output [VIDIOC_CROPCAP] --get-crop-output query the video output crop window [VIDIOC_G_CROP] --set-crop-output=top=<x>,left=<y>,width=<w>,height=<h> set the video output crop window [VIDIOC_S_CROP] --get-cropcap-overlay query crop capabilities for video overlay [VIDIOC_CROPCAP] --get-crop-overlay query the video overlay crop window [VIDIOC_G_CROP] --set-crop-overlay=top=<x>,left=<y>,width=<w>,height=<h> set the video overlay crop window [VIDIOC_S_CROP] --get-cropcap-output-overlay query the crop capabilities for video output overlays [VIDIOC_CROPCAP] --get-crop-output-overlay query the video output overlay crop window [VIDIOC_G_CROP] --set-crop-output-overlay=top=<x>,left=<y>,width=<w>,height=<h> set the video output overlay crop window [VIDIOC_S_CROP] --get-selection=target=<target> query the video capture selection rectangle [VIDIOC_G_SELECTION] See --set-selection command for the valid <target> values. --set-selection=target=<target>,flags=<flags>,top=<x>,left=<y>,width=<w>,height=<h> set the video capture selection rectangle [VIDIOC_S_SELECTION] target=crop|crop_bounds|crop_default|compose|compose_bounds| compose_default|compose_padded flags=le|ge --get-selection-output=target=<target> query the video output selection rectangle [VIDIOC_G_SELECTION] See --set-selection command for the valid <target> values. --set-selection-output=target=<target>,flags=<flags>,top=<x>,left=<y>,width=<w>,height=<h> set the video output selection rectangle [VIDIOC_S_SELECTION] See --set-selection command for the arguments. Miscellaneous options: --wait-for-event=<event> wait for an event [VIDIOC_DQEVENT] <event> is the event number or one of: eos, vsync, ctrl=<id>, frame_sync where <id> is the name of the control --poll-for-event=<event> poll for an event [VIDIOC_DQEVENT] see --wait-for-event for possible events -P, --get-parm display video parameters [VIDIOC_G_PARM] -p, --set-parm=<fps> set video framerate in <fps> [VIDIOC_S_PARM] --get-output-parm display output video parameters [VIDIOC_G_PARM] --set-output-parm=<fps> set output video framerate in <fps> [VIDIOC_S_PARM] --get-jpeg-comp query the JPEG compression [VIDIOC_G_JPEGCOMP] --set-jpeg-comp=quality=<q>,markers=<markers>,comment=<c>,app<n>=<a> set the JPEG compression [VIDIOC_S_JPEGCOMP] <n> is the app segment: 0-9/a-f, <a> is the actual string. <markers> is a colon separated list of: dht: Define Huffman Tables dqt: Define Quantization Tables dri: Define Restart Interval --encoder-cmd=cmd=<cmd>,flags=<flags> Send a command to the encoder [VIDIOC_ENCODER_CMD] cmd=start|stop|pause|resume flags=stop_at_gop_end --try-encoder-cmd=cmd=<cmd>,flags=<flags> Try an encoder command [VIDIOC_TRY_ENCODER_CMD] See --encoder-cmd for the arguments. --decoder-cmd=cmd=<cmd>,flags=<flags>,stop_pts=<pts>,start_speed=<speed>, start_format=<none|gop> Send a command to the decoder [VIDIOC_DECODER_CMD] cmd=start|stop|pause|resume flags=start_mute_audio|pause_to_black|stop_to_black| stop_immediately --try-decoder-cmd=cmd=<cmd>,flags=<flags> Try a decoder command [VIDIOC_TRY_DECODER_CMD] See --decoder-cmd for the arguments. Video Streaming options: --stream-count=<count> stream <count> buffers. The default is to keep streaming forever. This count does not include the number of initial skipped buffers as is passed by --stream-skip. --stream-skip=<count> skip the first <count> buffers. The default is 0. --stream-to=<file> stream to this file. The default is to discard the data. If <file> is '-', then the data is written to stdout and the --silent option is turned on automatically. --stream-poll use non-blocking mode and select() to stream. --stream-mmap=<count> capture video using mmap() [VIDIOC_(D)QBUF] count: the number of buffers to allocate. The default is 3. --stream-user=<count> capture video using user pointers [VIDIOC_(D)QBUF] count: the number of buffers to allocate. The default is 3. --stream-from=<file> stream from this file. The default is to generate a pattern. If <file> is '-', then the data is read from stdin. --stream-loop loop when the end of the file we are streaming from is reached. The default is to stop. --stream-pattern=<count> choose output pattern. The default is 0. --stream-out-mmap=<count> output video using mmap() [VIDIOC_(D)QBUF] count: the number of buffers to allocate. The default is 3. --stream-out-user=<count> output video using user pointers [VIDIOC_(D)QBUF] count: the number of buffers to allocate. The default is 3. --list-buffers list all video buffers [VIDIOC_QUERYBUF] --list-buffers-out list all video output buffers [VIDIOC_QUERYBUF] --list-buffers-vbi list all VBI buffers [VIDIOC_QUERYBUF] --list-buffers-vbi-out list all VBI output buffers [VIDIOC_QUERYBUF] --list-buffers-sliced-vbi list all sliced VBI buffers [VIDIOC_QUERYBUF] --list-buffers-sliced-vbi-out list all sliced VBI output buffers [VIDIOC_QUERYBUF] |
$ v4l2-ctl --list-devices mmal service 16.1 (platform:bcm2835-v4l2): /dev/video0 |
$ v4l2-ctl -D Driver Info (not using libv4l2): Driver name : bm2835 mmal Card type : mmal service 16.1 Bus info : platform:bcm2835-v4l2 Driver version: 4.1.6 Capabilities : 0x85200005 Video Capture Video Overlay Read/Write Streaming Device Capabilities Device Caps : 0x05200005 Video Capture Video Overlay Read/Write Streaming |
$ v4l2-ctl --get-fmt-video Format Video Capture: Width/Height : 1920/1088 Pixel Format : 'H264' Field : None Bytes per Line: 0 Size Image : 2088960 Colorspace : Broadcast NTSC/PAL (SMPTE170M/ITU601) Custom Info : feedcafe |
$ v4l2-ctl --list-formats ioctl: VIDIOC_ENUM_FMT Index : 0 Type : Video Capture Pixel Format: 'YU12' Name : 4:2:0, planar, YUV Index : 1 Type : Video Capture Pixel Format: 'YUYV' Name : 4:2:2, packed, YUYV Index : 2 Type : Video Capture Pixel Format: 'RGB3' Name : RGB24 (LE) Index : 3 Type : Video Capture Pixel Format: 'JPEG' (compressed) Name : JPEG Index : 4 Type : Video Capture Pixel Format: 'H264' (compressed) Name : H264 Index : 5 Type : Video Capture Pixel Format: 'MJPG' (compressed) Name : MJPEG Index : 6 Type : Video Capture Pixel Format: 'YVYU' Name : 4:2:2, packed, YVYU Index : 7 Type : Video Capture Pixel Format: 'VYUY' Name : 4:2:2, packed, VYUY Index : 8 Type : Video Capture Pixel Format: 'UYVY' Name : 4:2:2, packed, UYVY Index : 9 Type : Video Capture Pixel Format: 'NV12' Name : 4:2:0, planar, NV12 Index : 10 Type : Video Capture Pixel Format: 'BGR3' Name : RGB24 (BE) Index : 11 Type : Video Capture Pixel Format: 'YV12' Name : 4:2:0, planar, YVU Index : 12 Type : Video Capture Pixel Format: 'NV21' Name : 4:2:0, planar, NV21 Index : 13 Type : Video Capture Pixel Format: 'BGR4' Name : RGB32 (BE) |
$ v4l2-ctl -L User Controls brightness (int) : min=0 max=100 step=1 default=50 value=50 flags=slider contrast (int) : min=-100 max=100 step=1 default=0 value=0 flags=slider saturation (int) : min=-100 max=100 step=1 default=0 value=0 flags=slider red_balance (int) : min=1 max=7999 step=1 default=1000 value=1000 flags=slider blue_balance (int) : min=1 max=7999 step=1 default=1000 value=1000 flags=slider horizontal_flip (bool) : default=0 value=0 vertical_flip (bool) : default=0 value=0 power_line_frequency (menu) : min=0 max=3 default=1 value=1 0: Disabled 1: 50 Hz 2: 60 Hz 3: Auto sharpness (int) : min=-100 max=100 step=1 default=0 value=0 flags=slider color_effects (menu) : min=0 max=15 default=0 value=0 0: None 1: Black & White 2: Sepia 3: Negative 4: Emboss 5: Sketch 6: Sky Blue 7: Grass Green 8: Skin Whiten 9: Vivid 10: Aqua 11: Art Freeze 12: Silhouette 13: Solarization 14: Antique 15: Set Cb/Cr rotate (int) : min=0 max=360 step=90 default=0 value=0 color_effects_cbcr (int) : min=0 max=65535 step=1 default=32896 value=32896 Codec Controls video_bitrate_mode (menu) : min=0 max=1 default=0 value=0 flags=update 0: Variable Bitrate 1: Constant Bitrate video_bitrate (int) : min=25000 max=25000000 step=25000 default=10000000 value=10000000 repeat_sequence_header (bool) : default=0 value=0 h264_i_frame_period (int) : min=0 max=2147483647 step=1 default=60 value=60 h264_level (menu) : min=0 max=11 default=11 value=11 0: 1 1: 1b 2: 1.1 3: 1.2 4: 1.3 5: 2 6: 2.1 7: 2.2 8: 3 9: 3.1 10: 3.2 11: 4 h264_profile (menu) : min=0 max=4 default=4 value=4 0: Baseline 1: Constrained Baseline 2: Main 4: High Camera Controls auto_exposure (menu) : min=0 max=3 default=0 value=0 0: Auto Mode 1: Manual Mode exposure_time_absolute (int) : min=1 max=10000 step=1 default=1000 value=1000 exposure_dynamic_framerate (bool) : default=0 value=0 auto_exposure_bias (intmenu): min=0 max=24 default=12 value=12 0: -4000 (0xfffffffffffff060) 1: -3667 (0xfffffffffffff1ad) 2: -3333 (0xfffffffffffff2fb) 3: -3000 (0xfffffffffffff448) 4: -2667 (0xfffffffffffff595) 5: -2333 (0xfffffffffffff6e3) 6: -2000 (0xfffffffffffff830) 7: -1667 (0xfffffffffffff97d) 8: -1333 (0xfffffffffffffacb) 9: -1000 (0xfffffffffffffc18) 10: -667 (0xfffffffffffffd65) 11: -333 (0xfffffffffffffeb3) 12: 0 (0x0) 13: 333 (0x14d) 14: 667 (0x29b) 15: 1000 (0x3e8) 16: 1333 (0x535) 17: 1667 (0x683) 18: 2000 (0x7d0) 19: 2333 (0x91d) 20: 2667 (0xa6b) 21: 3000 (0xbb8) 22: 3333 (0xd05) 23: 3667 (0xe53) 24: 4000 (0xfa0) white_balance_auto_preset (menu) : min=0 max=9 default=1 value=1 0: Manual 1: Auto 2: Incandescent 3: Fluorescent 4: Fluorescent H 5: Horizon 6: Daylight 7: Flash 8: Cloudy 9: Shade image_stabilization (bool) : default=0 value=0 iso_sensitivity (intmenu): min=0 max=4 default=0 value=0 0: 0 (0x0) 1: 100 (0x64) 2: 200 (0xc8) 3: 400 (0x190) 4: 800 (0x320) exposure_metering_mode (menu) : min=0 max=2 default=0 value=0 0: Average 1: Center Weighted 2: Spot scene_mode (menu) : min=0 max=13 default=0 value=0 0: None 8: Night 11: Sports JPEG Compression Controls compression_quality (int) : min=1 max=100 step=1 default=30 value=30 |
$ v4l2-ctl --get-priority Priority: 2 |
$ v4l2-ctl --set-fmt-video=width=1920,height=1080,pixelformat=4 |
2015/08/09 - [개소리 왈왈/라즈베리 파이(rpi)] - 라즈베리 파이 csi v4l
'embeded > raspberry pi' 카테고리의 다른 글
| opencv 템플릿 매칭 / wiring pi PWM ing.. (0) | 2015.10.05 |
|---|---|
| webiopi - rpi IoT (2) | 2015.10.01 |
| 라즈베리 파이 2 + usb webcam + servo 2ch (2) | 2015.09.28 |
| 라즈베리 파이 PWM 데이터 시트 (0) | 2015.09.28 |
| wiring pi PWM / c 코드 (0) | 2015.09.28 |
