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Merge pull request #6712 from jepler/keyboard-keypad-ioctl 

Make keypad select/poll'able, which leads to async goodness
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Dan Halbert 2022-08-10 08:18:36 -04:00 committed by GitHub
parent e50fc237f8 76f03a2bee
commit ce2bd9b9bc
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1 changed files with 32 additions and 0 deletions
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32
shared-bindings/keypad/EventQueue.c
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@ -24,8 +24,11 @@
* THE SOFTWARE.
*/
#include "py/ioctl.h"
#include "py/mperrno.h"
#include "py/objproperty.h"
#include "py/runtime.h"
#include "py/stream.h"
#include "shared-bindings/keypad/Event.h"
#include "shared-bindings/keypad/EventQueue.h"
@ -141,12 +144,41 @@ STATIC const mp_rom_map_elem_t keypad_eventqueue_locals_dict_table[] = {
STATIC MP_DEFINE_CONST_DICT(keypad_eventqueue_locals_dict, keypad_eventqueue_locals_dict_table);
#if MICROPY_PY_USELECT
STATIC mp_uint_t eventqueue_ioctl(mp_obj_t self_in, mp_uint_t request, uintptr_t arg, int *errcode) {
(void)errcode;
keypad_eventqueue_obj_t *self = MP_OBJ_TO_PTR(self_in);
switch (request) {
case MP_STREAM_POLL: {
mp_uint_t flags = arg;
mp_uint_t ret = 0;
if ((flags & MP_IOCTL_POLL_RD) && common_hal_keypad_eventqueue_get_length(self)) {
ret |= MP_IOCTL_POLL_RD;
}
return ret;
}
default:
*errcode = MP_EINVAL;
return MP_STREAM_ERROR;
}
}
STATIC const mp_stream_p_t eventqueue_p = {
MP_PROTO_IMPLEMENT(MP_QSTR_protocol_stream)
.ioctl = eventqueue_ioctl,
};
#endif
const mp_obj_type_t keypad_eventqueue_type = {
{ &mp_type_type },
.flags = MP_TYPE_FLAG_EXTENDED,
.name = MP_QSTR_EventQueue,
MP_TYPE_EXTENDED_FIELDS(
.unary_op = keypad_eventqueue_unary_op,
#if MICROPY_PY_USELECT
.protocol = &eventqueue_p,
#endif
),
.locals_dict = (mp_obj_t)&keypad_eventqueue_locals_dict,
};