webassembly/modjsffi: Add jsffi.async_timeout_ms.

This function exposes `setTimeout()` as an async function.

Signed-off-by: Damien George <damien@micropython.org>
pull/14328/head
Damien George 2024-04-19 12:16:27 +10:00
rodzic 967ad38ac7
commit 84d6f8e8cb
1 zmienionych plików z 15 dodań i 0 usunięć

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@ -61,12 +61,27 @@ static mp_obj_t mp_jsffi_to_js(mp_obj_t arg) {
}
static MP_DEFINE_CONST_FUN_OBJ_1(mp_jsffi_to_js_obj, mp_jsffi_to_js);
// *FORMAT-OFF*
EM_JS(void, promise_with_timeout_ms, (double ms, uint32_t * out), {
const ret = new Promise((resolve) => setTimeout(resolve, ms));
proxy_convert_js_to_mp_obj_jsside(ret, out);
});
// *FORMAT-ON*
static mp_obj_t mp_jsffi_async_timeout_ms(mp_obj_t arg) {
uint32_t out[PVN];
promise_with_timeout_ms(mp_obj_get_float_to_d(arg), out);
return proxy_convert_js_to_mp_obj_cside(out);
}
static MP_DEFINE_CONST_FUN_OBJ_1(mp_jsffi_async_timeout_ms_obj, mp_jsffi_async_timeout_ms);
static const mp_rom_map_elem_t mp_module_jsffi_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_jsffi) },
{ MP_ROM_QSTR(MP_QSTR_JsProxy), MP_ROM_PTR(&mp_type_jsproxy) },
{ MP_ROM_QSTR(MP_QSTR_create_proxy), MP_ROM_PTR(&mp_jsffi_create_proxy_obj) },
{ MP_ROM_QSTR(MP_QSTR_to_js), MP_ROM_PTR(&mp_jsffi_to_js_obj) },
{ MP_ROM_QSTR(MP_QSTR_async_timeout_ms), MP_ROM_PTR(&mp_jsffi_async_timeout_ms_obj) },
};
static MP_DEFINE_CONST_DICT(mp_module_jsffi_globals, mp_module_jsffi_globals_table);