JERRYX_UNUSED(call_info_p);
    int16_t x=1;
    int16_t y=2;
    uint8_t bitmap;// *WARNNING** need to check BUFFERSIZE
    char    buf[32];// *WARNNING* need to check BUFFERSIZE
    int16_t w=3;
    int16_t h=4;
    uint16_t color=1;
    uint16_t bg=0;

    const jerryx_arg_t mapping[] ={
        jerryx_arg_int16(&x, JERRYX_ARG_CEIL, JERRYX_ARG_NO_CLAMP, JERRYX_ARG_NO_COERCE, JERRYX_ARG_REQUIRED),
        jerryx_arg_int16(&y, JERRYX_ARG_CEIL, JERRYX_ARG_NO_CLAMP, JERRYX_ARG_NO_COERCE, JERRYX_ARG_REQUIRED),
        jerryx_arg_ignore(), // TODO process bitmap pointer later
        jerryx_arg_int16(&w, JERRYX_ARG_CEIL, JERRYX_ARG_NO_CLAMP, JERRYX_ARG_NO_COERCE, JERRYX_ARG_REQUIRED),
        jerryx_arg_int16(&h, JERRYX_ARG_CEIL, JERRYX_ARG_NO_CLAMP, JERRYX_ARG_NO_COERCE, JERRYX_ARG_REQUIRED),
        jerryx_arg_uint16(&color, JERRYX_ARG_CEIL, JERRYX_ARG_NO_CLAMP, JERRYX_ARG_NO_COERCE, JERRYX_ARG_REQUIRED),
        jerryx_arg_uint16(&bg, JERRYX_ARG_CEIL, JERRYX_ARG_NO_CLAMP, JERRYX_ARG_NO_COERCE, JERRYX_ARG_OPTIONAL),
    };
    jerry_value_t rv = jerryx_arg_transform_args(args_p, 7, mapping, 2);
    if (jerry_value_is_exception(rv)){
        WSDEBUG_TPRINTF("[sd1306] drawBitmap mapping Error argc(%d) %x\n",args_cnt,rv);
        WSDEBUG_TPRINTF("[sd1306] x%d y%d w%d h%d color%d bg%d \n",x,y,w,h,color,bg);

        return rv;
    }

Temporary solution to mapping 2items then mapping last 4 items separately.

root cause the jerryx_arg_transform_ignore did not use (void) js_arg_iter_p; / unused /
to skip one args_p item.
jerryx_arg_ignore fail
This is a GitHub Issue
repo:jerryscript
owner:jerryscript-project
Title : jerryx_arg_ignore fail
Issue date:

--- start body ---
JERRYX_UNUSED(call_info_p);
    int16_t x=1;
    int16_t y=2;
    uint8_t bitmap;// *WARNNING** need to check BUFFERSIZE
    char    buf[32];// *WARNNING* need to check BUFFERSIZE
    int16_t w=3;
    int16_t h=4;
    uint16_t color=1;
    uint16_t bg=0;

    const jerryx_arg_t mapping[] ={
        jerryx_arg_int16(&x, JERRYX_ARG_CEIL, JERRYX_ARG_NO_CLAMP, JERRYX_ARG_NO_COERCE, JERRYX_ARG_REQUIRED),
        jerryx_arg_int16(&y, JERRYX_ARG_CEIL, JERRYX_ARG_NO_CLAMP, JERRYX_ARG_NO_COERCE, JERRYX_ARG_REQUIRED),
        jerryx_arg_ignore(), // TODO process bitmap pointer later
        jerryx_arg_int16(&w, JERRYX_ARG_CEIL, JERRYX_ARG_NO_CLAMP, JERRYX_ARG_NO_COERCE, JERRYX_ARG_REQUIRED),
        jerryx_arg_int16(&h, JERRYX_ARG_CEIL, JERRYX_ARG_NO_CLAMP, JERRYX_ARG_NO_COERCE, JERRYX_ARG_REQUIRED),
        jerryx_arg_uint16(&color, JERRYX_ARG_CEIL, JERRYX_ARG_NO_CLAMP, JERRYX_ARG_NO_COERCE, JERRYX_ARG_REQUIRED),
        jerryx_arg_uint16(&bg, JERRYX_ARG_CEIL, JERRYX_ARG_NO_CLAMP, JERRYX_ARG_NO_COERCE, JERRYX_ARG_OPTIONAL),
    };
    jerry_value_t rv = jerryx_arg_transform_args(args_p, 7, mapping, 2);
    if (jerry_value_is_exception(rv)){
        WSDEBUG_TPRINTF("[sd1306] drawBitmap mapping Error argc(%d) %x\n",args_cnt,rv);
        WSDEBUG_TPRINTF("[sd1306] x%d y%d w%d h%d color%d bg%d \n",x,y,w,h,color,bg);

        return rv;
    }

Temporary solution to mapping 2items then mapping last 4 items separately.

root cause the jerryx_arg_transform_ignore did not use (void) js_arg_iter_p; / unused /
to skip one args_p item.
--- end body ---

None