hakimio

import {Injector} from '@angular/core';

export class AppInjector {

    private static injector: Injector;

    static setInjector(injector: Injector) {
        AppInjector.injector = injector;
    }

hakimio

<app-card>
    <app-card-content>
        <app-list-item 
            *ngFor="let student of students"
            [name]="student.firstname"
        ></app-list-item>
    </app-card-content>
</app-card>

hakimio

<div
    *ngFor="let item of items; trackByKey: 'id'"
>
    {{item.name}}
</div>

hakimio

import React, {useContext, useState} from 'react';
import toast from 'react-hot-toast';
import {IconMicrophone, IconMicrophoneOff} from '@tabler/icons-react';

interface Props {
  setContent: (content: string) => void;
}

const capitalizeFirstLetter = (message: string) => message.charAt(0).toUpperCase() + message.slice(1);

hakimio

#!/usr/bin/env python3
"""
Anycubic ACE 2 Pro — Protocol Driver & Interactive Shell

Protocol (reverse engineered from Kobra S1 firmware):
  Physical: CH343 USB-UART, 230400 baud, 8N1
  Frame:    [FF AA] [flags] [seq_lo seq_hi] [cmd] [len] [protobuf] [CRC16_lo CRC16_hi] [FE]
  CRC:      CRC-16/KERMIT (poly 0x8408), init 0xFFFF, over flags..payload
  Direction: flags=0x00 request, flags=0x80 response
  Payload:  Protocol Buffers proto3, package ace_com

hakimio

#!/usr/bin/env python3
"""
Anycubic ACE 2 Pro — OTA Firmware Updater

Implements the IAP (In-Application Programming) sequence reverse-engineered from the
Kobra S1 gklib binary (v2.7.0.9):

  1. IAP_UPGRADE (cmd 2)        — announce: total size + CRC-16/Kermit + version string
  2. IAP_FIRMWARE (cmd 3)       — send firmware in 64-byte chunks, each with its flash address
  3. IAP_UPGRADE_FINISH (cmd 4) — commit: ACE reboots and runs new firmware

hakimio

ACE2 check_length / error_length — Complete Analysis

  1. Validation limits (SET_FEED_CHECK handler, sub_800B3AC)
  
  The MCU rejects the command (returns error code 1) if:

  ┌──────────────┬─────┬──────────────┬─────────────────────────────────────────────────────┐
  │  Parameter   │ Min │     Max      │                        Notes                        │
  ├──────────────┼─────┼──────────────┼─────────────────────────────────────────────────────┤
  │ check_length │ 3   │ 254          │ 0–2 and 255+ → rejected                             │

hakimio

Anycubic ACE 2 Pro — Firmware Behavior Analysis

Dual-source reverse-engineering:

• gklib — Anycubic Kobra S1 "Klipper-Go" firmware, version 2.7.0.9.
  ARM 32-bit ELF binary, imagebase 0x10000. Analysis via IDA Pro decompilation.
• ACE2 MCU firmware — ACE2_V1.1.31_20260306.bin, STM32F1 Cortex-M3.
  Loaded at 0x08008000. Analysis via IDA Pro disassembly/decompilation.

---