'2021/09'에 해당되는 글 58건
- 2021.09.08 필터구매!
- 2021.09.07 으아아아아
- 2021.09.06 별이 털 밈
- 2021.09.05 odroid c2 boot.ini
- 2021.09.04 화이자 맞음
- 2021.09.03 휴가인데 야근
- 2021.09.02 current loop
- 2021.09.01 CGridctrl setitembkcolour
개소리 왈왈/육아관련 주저리2021. 9. 8. 12:56
개소리 왈왈/직딩의 비애2021. 9. 7. 23:08
적을게 없다!
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개소리 왈왈/육아관련 주저리2021. 9. 6. 22:01
embeded/odroid2021. 9. 5. 21:48
라즈베리의 config.txt는 uboot 와는 독립된 문법의 느낌이라면
odroid c2의 boot.ini 는 uboot의 환경설정 문법을 그대로 따라가는 느낌
그나저나 발열 문제 때문인가 클럭을 낮게 잡아놨네?
| ODROIDC2-UBOOT-CONFIG ######################################################################## # Changes made to this are overwritten every time there's a new upgrade # To make your changes permanent change it on # boot.ini.default # After changing it on boot.ini.default run the bootini command to # rewrite this file with your personal permanent settings. # Documentation: http://odroid.com/dokuwiki/doku.php?id=en:c2_persistent_bootini ######################################################################## # Possible screen resolutions # Uncomment only a single Line! The line with setenv written. # At least one mode must be selected. # Custom modeline! # To use custom modeline you need to disable all the below resolutions # and setup your own! # For more information check our wiki: # http://odroid.com/dokuwiki/doku.php?id=en:c2_hdmi_autosetting # Example below: # setenv m "custombuilt" # setenv modeline "1920,1200,154000,74040,60,1920,1968,2000,2080,1200,1202,1208,1235,1,0,1" # Auto Detection of Monitor settings based on your Screen information # See: http://odroid.com/dokuwiki/doku.php?id=en:c2_auto_detect_display setenv display_autodetect "true" # 480 Lines (720x480) # setenv m "480i60hz" # Interlaced 60Hz # setenv m "480i_rpt" # Interlaced for Rear Projection Televisions 60Hz # setenv m "480p60hz" # 480 Progressive 60Hz # setenv m "480p_rpt" # 480 Progressive for Rear Projection Televisions 60Hz # 576 Lines (720x576) # setenv m "576i50hz" # Interlaced 50Hz # setenv m "576i_rpt" # Interlaced for Rear Projection Televisions 50Hz # setenv m "576p50hz" # Progressive 50Hz # setenv m "576p_rpt" # Progressive for Rear Projection Televisions 50Hz # 720 Lines (1280x720) # setenv m "720p50hz" # 50Hz # setenv m "720p60hz" # 60Hz # 1080 Lines (1920x1080) # setenv m "1080i60hz" # Interlaced 60Hz setenv m "1080p60hz" # Progressive 60Hz # setenv m "1080i50hz" # Interlaced 50Hz # setenv m "1080p50hz" # Progressive 50Hz # setenv m "1080p24hz" # Progressive 24Hz # 4K (3840x2160) # setenv m "2160p30hz" # Progressive 30Hz # setenv m "2160p25hz" # Progressive 25Hz # setenv m "2160p24hz" # Progressive 24Hz # setenv m "smpte24hz" # Progressive 24Hz SMPTE # setenv m "2160p50hz" # Progressive 50Hz # setenv m "2160p60hz" # Progressive 60Hz # setenv m "2160p50hz420" # Progressive 50Hz with YCbCr 4:2:0 (Requires TV/Monitor that supports it) # setenv m "2160p60hz420" # Progressive 60Hz with YCbCr 4:2:0 (Requires TV/Monitor that supports it) ### VESA modes ### # setenv m "640x480p60hz" # setenv m "800x480p60hz" # setenv m "480x272p60hz" # setenv m "480x320p60hz" # setenv m "480x800p60hz" # setenv m "800x600p60hz" # setenv m "1024x600p60hz" # setenv m "1024x768p60hz" # setenv m "1280x800p60hz" # setenv m "1280x1024p60hz" # setenv m "1360x768p60hz" # setenv m "1440x900p60hz" # setenv m "1600x900p60hz" # setenv m "1680x1050p60hz" # setenv m "1600x1200p60hz" # setenv m "1920x1200p60hz" # setenv m "2560x1080p60hz" # setenv m "2560x1440p60hz" # setenv m "2560x1600p60hz" # setenv m "3440x1440p60hz" # HDMI BPP Mode setenv m_bpp "32" # setenv m_bpp "24" # setenv m_bpp "16" # HDMI DVI/VGA modes # By default its set to HDMI, if needed change below. # Uncomment only a single Line. # setenv vout "dvi" # setenv vout "vga" # HDMI HotPlug Detection control # Allows you to force HDMI thinking that the cable is connected. # true = HDMI will believe that cable is always connected # false = will let board/monitor negotiate the connection status setenv hpd "true" # setenv hpd "false" # Monitor output # Controls if HDMI PHY should output anything to the monitor setenv monitor_onoff "false" # true or false # Server Mode (aka. No Graphics) # Setting nographics to 1 will disable all video subsystem # This mode is ideal of server type usage. (Saves ~300Mb of RAM) setenv nographics "0" # Meson Timer # 1 - Meson Timer # 0 - Arch Timer # Using meson_timer improves the video playback however it breaks KVM (virtualization). # Using arch timer allows KVM/Virtualization to work however you'll experience poor video setenv mesontimer "1" # UHS (Ultra High Speed) MicroSD mode enable/disable setenv disableuhs "false" # MicroSD Card Detection enable/disable # Force the MMC controlled to believe that a card is connected. setenv mmc_removable "true" # USB Multi WebCam tweak # Only enable this if you use it. setenv usbmulticam "false" # Disable/Enable ODROID-VU7 Touchscreen setenv disable_vu7 "false" # Default Console Device Setting setenv condev "console=ttyS0,115200n8 console=tty0" # on both # CPU Frequency / Cores control ########################################### ### WARNING!!! WARNING!!! WARNING!!! # Before changing anything here please read the wiki entry: # http://odroid.com/dokuwiki/doku.php?id=en:c2_set_cpu_freq # # MAX CPU's # setenv maxcpus "1" # setenv maxcpus "2" # setenv maxcpus "3" setenv maxcpus "4" # MAX Frequency # setenv max_freq "2016" # 2.016GHz # setenv max_freq "1944" # 1.944GHz # setenv max_freq "1944" # 1.944GHz # setenv max_freq "1920" # 1.920GHz # setenv max_freq "1896" # 1.896GHz # setenv max_freq "1752" # 1.752GHz # setenv max_freq "1680" # 1.680GHz # setenv max_freq "1656" # 1.656GHz setenv max_freq "1536" # 1.536GHz ########################################### # Boot Arguments if test "${display_autodetect}" = "true"; then usb pwren; hdmitx edid; fi if test "${m}" = "custombuilt"; then setenv cmode "modeline=${modeline}"; fi if test "${disable_vu7}" = "false"; then setenv hid_quirks "usbhid.quirks=0x0eef:0x0005:0x0004"; fi setenv bootargs "root=/dev/mmcblk0p2 rootwait rw ${condev} no_console_suspend hdmimode=${m} ${cmode} m_bpp=${m_bpp} vout=${vout} fsck.repair=yes net.ifnames=0 elevator=noop disablehpd=${hpd} max_freq=${max_freq} maxcpus=${maxcpus} monitor_onoff=${monitor_onoff} disableuhs=${disableuhs} mmc_removable=${mmc_removable} usbmulticam=${usbmulticam} ${hid_quirks}" # Booting setenv loadaddr "0x11000000" setenv dtb_loadaddr "0x1000000" setenv initrd_loadaddr "0x13000000" fatload mmc 0:1 ${initrd_loadaddr} uInitrd fatload mmc 0:1 ${loadaddr} Image fatload mmc 0:1 ${dtb_loadaddr} meson64_odroidc2.dtb fdt addr ${dtb_loadaddr} if test "${mesontimer}" = "0"; then fdt rm /meson_timer; fdt rm /cpus/cpu@0/timer; fdt rm /cpus/cpu@1/timer; fdt rm /cpus/cpu@2/timer; fdt rm /cpus/cpu@3/timer; fi if test "${mesontimer}" = "1"; then fdt rm /timer; fi if test "${nographics}" = "1"; then fdt rm /reserved-memory; fdt rm /aocec; fi if test "${nographics}" = "1"; then fdt rm /meson-fb; fdt rm /amhdmitx; fdt rm /picdec; fdt rm /ppmgr; fi if test "${nographics}" = "1"; then fdt rm /meson-vout; fdt rm /mesonstream; fdt rm /meson-fb; fi if test "${nographics}" = "1"; then fdt rm /deinterlace; fdt rm /codec_mm; fi booti ${loadaddr} ${initrd_loadaddr} ${dtb_loadaddr} |
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개소리 왈왈/육아관련 주저리2021. 9. 4. 19:59
개소리 왈왈/직딩의 비애2021. 9. 3. 22:15
아놔 ㅠㅠ
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이론 관련/전기 전자2021. 9. 2. 14:35
종단저항으로 250옴을 달면, V=IR 공식에 의해 4mA~20mA가 1~5V로 변환됨.
0 mA = 단선
4 mA ~ 20 mA = 값
[링크 : https://kkdww.tistory.com/65]
[링크 : https://en.wikipedia.org/wiki/Current_loop]
+
그냥 ADC로 읽을 수 있다 라고 보면 되려나?
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Programming/c# & winform2021. 9. 1. 16:20
3번째 인자인 색상을 생략하면 clear 색상으로 칠해진다.
그나저나.. color랑 colour을 섞어 쓴 이유는 멀까 -ㅁ-?
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