ROOTCASTLE / LABORATIO INGENIORUM

Cursorius Codex

JavaScript et Python in aere, cum Sofia AI auxilio.

LOCAL EXECUTION · CODE STAYS IN YOUR BROWSER · Pyodide 314.0.7 (WebAssembly) · Time limit 10 s

Example programCode main.py

Tab inserts indentation; press Esc, then Tab to leave the editor. Ctrl+Enter runs the program.

# CRC-16/Modbus (poly 0xA001 reflected, init 0xFFFF) of the hex bytes on stdin.
data = bytes.fromhex(input())

def crc16(data: bytes) -> int:
    crc = 0xFFFF
    for byte in data:
        crc ^= byte
        for _ in range(8):
            crc = (crc >> 1) ^ 0xA001 if crc & 1 else crc >> 1
    return crc

crc = crc16(data)
print("frame:", data.hex(" ").upper())
print(f"CRC  : 0x{crc:04X}")
# Modbus sends the CRC low byte first.
print("wire :", (data + crc.to_bytes(2, "little")).hex(" ").upper())

Standard input (stdin)

Output (stdout / stderr)

The program has not been run yet.

Understand the error with Sofia AI

The code and the end of the output are sent to Sofia AI for an explanation and a fix suggestion. The code is not run on the server.

Quid est

Si aliquid probare velis CRC tabulam, PID sinus, sensor-data mundanum aut calculem spectrum parvum ad hardware pertingere. Exempla cum aliis LAB comparationibus communicant: Modbus CRC-16 versus protocol inspector et PID responsum versus sandbox. Si program defecerit, code et finis eius orbi ad Sofia AI explanationem et suggestionem emendationis mitti potest.

Ubi code peragitur

Solum in tuo browser. JavaScript in worker web separat cum accessu nectare et repository ablatis; Python in Pyodide (CPython ad WebAssembly compilatus), downloadatus a versione pincta a jsDelivr. Serus Rootcastle numquam exsequi aut codem servare. Draftus tuus ablatus est tantum in storage localis huius browseri. Sofia AI codem primum 6.000 character et ultimas 2.000 character consilii accipit, et tantum cum button pressus et consensu tui.

Limites

Singula exsequi est limitata ad 10 secunda et 100.000 characteres de output; worker terminatur quando limitatur attingitur. Input non est interactive: input() et readline() legit lines ex boxa stdin in ordine. Python habet bibliotheca solum standard (paquetas qualis numpy non sunt loading). Tempus et results in aere floating-point non monstrant behavior real-time microcontroller; verifica code in hardware target.

Referentia

Pyodide · Modbus over Serial Line Specification V1.02, §6.2.2 (CRC-16) · K. J. Åström, T. Hägglund, Poterium PID Praecipuum, ISA, 2006 · MDN: Web Workers API

Spatium educationale. Suggerentia Sofia AI errata possunt; exerce et verifica mutationem ante quam eam fidas.

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