Function native_srixRead

src/modules/bjs_interpreter/rfid_js.cpp:242–287

// ============================================================================

JSValue native_srixRead(JSContext *ctx, JSValue *this_val, int argc, JSValue *argv) {
    // usage: srixRead(timeout_in_seconds : number = 10);
    // returns: { uid: string, blocks: number, size: number, data: string } or null

    int timeout = 10;
    if (argc > 0 && JS_IsNumber(ctx, argv[0])) { JS_ToInt32(ctx, &timeout, argv[0]); }

    SRIXTool *srixReader = getSRIXReader();

    // Use existing headless functionality
    String jsonResult = srixReader->read_tag_headless(timeout);

    if (jsonResult.isEmpty()) { return JS_NULL; }

    // Create a JS object from the fields
    JSValue obj = JS_NewObject(ctx);

    // Get UID using getUID() method
    String uid_str = "";
    uint8_t *uid = srixReader->getUID();
    for (uint8_t i = 0; i < 8; i++) {
        if (uid[i] < 0x10) uid_str += "0";
        uid_str += String(uid[i], HEX);
        if (i < 7) uid_str += " ";
    }
    uid_str.toUpperCase();
    JS_SetPropertyStr(ctx, obj, "uid", JS_NewString(ctx, uid_str.c_str()));

    // Blocks count
    JS_SetPropertyStr(ctx, obj, "blocks", JS_NewInt32(ctx, 128));

    // Size in bytes
    JS_SetPropertyStr(ctx, obj, "size", JS_NewInt32(ctx, 512));

    // Data as hex string using getDump() method
    String dump_str = "";
    uint8_t *dump = srixReader->getDump();
    for (uint16_t i = 0; i < 512; i++) {
        if (dump[i] < 0x10) dump_str += "0";
        dump_str += String(dump[i], HEX);
    }
    dump_str.toUpperCase();
    JS_SetPropertyStr(ctx, obj, "data", JS_NewString(ctx, dump_str.c_str()));

    return obj;
}

JSValue native_srixWrite(JSContext *ctx, JSValue *this_val, int argc, JSValue *argv) {
    // usage: srixWrite(timeout_in_seconds : number = 10);