526互联

Raspberry Pi command line tools vcgencmd All In One

发布时间 2023-06-04 03:37:10作者: xgqfrms

Raspberry Pi command line tools vcgencmd All In One

vcgencmd

$ vcgencmd -h
$ vcgencmd --help
Usage: vcgencmd [-t] command
Send a command to the VideoCore and print the result.

  -t          Time how long the command takes to complete
  -h, --help  Show this information

Use the command 'vcgencmd commands' to get a list of available commands

Exit status:
   0    command completed successfully
  -1    problem with VCHI
  -2    VideoCore returned an error

For further documentation please see
https://www.raspberrypi.org/documentation/computers/os.html#vcgencmd

$ vcgencmd version
Jan  5 2023 10:48:31 
Copyright (c) 2012 Broadcom
version 8ba17717fbcedd4c3b6d4bce7e50c7af4155cba9 (clean) (release) (start)

$ vcgencmd commands
commands="commands, set_logging, bootloader_config, bootloader_version, cache_flush, codec_enabled, get_mem, get_rsts, measure_clock, measure_temp, measure_volts, get_hvs_asserts, get_config, get_throttled, pmicrd, pmicwr, read_ring_osc, version, set_vll_dir, set_backlight, get_lcd_info, arbiter, otp_dump, test_result, get_camera, enable_clock, scaling_kernel, scaling_sharpness, hdmi_ntsc_freqs, hdmi_adjust_clock, hdmi_status_show, hvs_update_fields, pwm_speedup, force_audio, hdmi_stream_channels, hdmi_channel_map, display_power, memtest, dispmanx_list, schmoo, render_bar, disk_notify, inuse_notify, sus_suspend, sus_status, sus_is_enabled, sus_stop_test_thread, egl_platform_switch, mem_validate, mem_oom, mem_reloc_stats, hdmi_cvt, hdmi_timings, readmr, file, vcos, ap_output_control, ap_output_post_processing, vchi_test_init, vchi_test_exit, pm_set_policy, pm_get_status, pm_show_stats, pm_start_logging, pm_stop_logging, vctest_memmap, vctest_start, vctest_stop, vctest_set, vctest_get"

image

https://www.raspberrypi.org/documentation/computers/os.html#vcgencmd

demos

$ vcgencmd measure_temp
# temp=45.6'C

$ vcgencmd measure_clock arm
# frequency(48)=600062000

$ vcgencmd get_throttled
# throttled=0x50005 ❌ 欠压

(? 反爬虫测试！打击盗版⚠️）如果你看到这个信息, 说明这是一篇剽窃的文章，请访问 https://www.cnblogs.com/xgqfrms/ 查看原创文章！

refs

©xgqfrms 2012-2021

www.cnblogs.com/xgqfrms 发布文章使用：只允许注册用户才可以访问！

原创文章，版权所有©️xgqfrms, 禁止转载 ?️，侵权必究⚠️！