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// 文件名: drm_demo.c
// 编译: gcc drm_demo.c -o drm_demo -ldrm -lxf86drm
// 运行: 需要在纯控制台(tty)下，并以root权限执行 (sudo ./drm_demo)

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/mman.h>

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sudo pacman -Syu bluez bluez-utils pipewire pipewire-audio pipewire-pulse wireplumber pipewire-alsa

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x/9i 0x4c3916c

这里是EFI_MAIN入口

x/9i 0x4c3a8b9

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System
------------
       Pixi version: 0.59.0
           Platform: linux-64
   Virtual packages: __unix=0=0
                   : __linux=6.17.7=0
                   : __glibc=2.42=0
                   : __cuda=13.0=0
                   : __archspec=1=skylake
          Cache dir: /home/bombless/.cache/rattler/cache

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2101146142
146142

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[package]
name = "custom_plot_manipulation"
version = "0.1.0"
edition = "2024"


[dependencies]
eframe = "0.33"
egui_plot = "0.34"

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%% 广告播放设备管理系统
%% 文件: ad_device_system.erl

-module(ad_device_system).
-behaviour(gen_server).

%% API exports
-export([start_link/0, stop/0, get_device_status/0, get_device_info/1]).

%% gen_server callbacks

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iis url-rewrite模块下载： https://www.iis.net/downloads/microsoft/url-rewrite

英语x86 https://download.microsoft.com/download/D/8/1/D81E5DD6-1ABB-46B0-9B4B-21894E18B77F/rewrite_x86_en-US.msi

英语x64 https://download.microsoft.com/download/1/2/8/128E2E22-C1B9-44A4-BE2A-5859ED1D4592/rewrite_amd64_en-US.msi

中文x86 https://download.microsoft.com/download/D/8/1/D81E5DD6-1ABB-46B0-9B4B-21894E18B77F/rewrite_x86_zh-CN.msi

中文x64 https://download.microsoft.com/download/1/2/8/128E2E22-C1B9-44A4-BE2A-5859ED1D4592/rewrite_amd64_zh-CN.msi

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<circuit version="1.1.0-SR1" rev="2005" stepSize="1000000" stepsPS="1000000" NLsteps="100000" reaStep="1000000" animate="0" >

<item itemtype="BJT" CircId="BJT-1" mainComp="false" Show_id="false" Show_Val="false" Pos="-52,28" rotation="0" hflip="1" vflip="1" label="BJT-1" idLabPos="18,0" labelrot="0" valLabPos="-16,20" valLabRot="0" PNP="false" Gain="100" Vcrit="0.670736 V" />

<item itemtype="Battery" CircId="Battery-2" mainComp="false" Show_id="false" Show_Val="false" Pos="56,-32" rotation="0" hflip="1" vflip="1" label="Battery-2" idLabPos="-18,-22" labelrot="0" valLabPos="-10,10" valLabRot="0" Voltage="5 V" Resistance="1 mΩ" />

<item itemtype="Led" CircId="Led-3" mainComp="false" Show_id="false" Show_Val="false" Pos="128,92" rotation="-360" hflip="1" vflip="1" label="Led-3" idLabPos="-16,-24" labelrot="0" valLabPos="-16,20" valLabRot="0" Color="Yellow" Grounded="false" Threshold="2.4 V" MaxCurrent="30 mA" Resistance="0.6 Ω" />

<item itemtype="Switch" CircId="Switch-5" mainComp="false" Show_id="false" Sho

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import math
import sounddevice as sd


def frequency(base_freq, semitones):
    return base_freq * (2 ** (semitones / 12))


DO = 440
RE = frequency(DO, 2)