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Merge pull request #5199 from aramcon-badge/aramcon/quick-refresh 

Adding quick refresh support
This commit is contained in:
Scott Shawcroft 2021-08-27 08:54:44 -07:00 committed by GitHub
parent ab4ab2aee1 27502f90cd
commit b17216d9d4
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 35 additions and 0 deletions
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26
shared-bindings/displayio/EPaperDisplay.c
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@ -217,6 +217,31 @@ STATIC mp_obj_t displayio_epaperdisplay_obj_show(mp_obj_t self_in, mp_obj_t grou
}
MP_DEFINE_CONST_FUN_OBJ_2(displayio_epaperdisplay_show_obj, displayio_epaperdisplay_obj_show);
//| def update_refresh_mode(self, start_sequence: ReadableBuffer, seconds_per_frame: float = 180) -> None:
//| """Updates the ``start_sequence`` and ``seconds_per_frame`` parameters to enable
//| varying the refresh mode of the display."""
//|
STATIC mp_obj_t displayio_epaperdisplay_update_refresh_mode(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_start_sequence, ARG_seconds_per_frame };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_start_sequence, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_seconds_per_frame, MP_ARG_OBJ, {.u_obj = MP_OBJ_NEW_SMALL_INT(180)} },
};
displayio_epaperdisplay_obj_t *self = native_display(pos_args[0]);
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
// Get parameters
mp_buffer_info_t start_sequence;
mp_get_buffer_raise(args[ARG_start_sequence].u_obj, &start_sequence, MP_BUFFER_READ);
float seconds_per_frame = mp_obj_get_float(args[ARG_seconds_per_frame].u_obj);
// Update parameters
displayio_epaperdisplay_change_refresh_mode_parameters(self, &start_sequence, seconds_per_frame);
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_KW(displayio_epaperdisplay_update_refresh_mode_obj, 3, displayio_epaperdisplay_update_refresh_mode);
//| def refresh(self) -> None:
//| """Refreshes the display immediately or raises an exception if too soon. Use
//| ``time.sleep(display.time_to_refresh)`` to sleep until a refresh can occur."""
@ -339,6 +364,7 @@ const mp_obj_property_t displayio_epaperdisplay_bus_obj = {
STATIC const mp_rom_map_elem_t displayio_epaperdisplay_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_show), MP_ROM_PTR(&displayio_epaperdisplay_show_obj) },
{ MP_ROM_QSTR(MP_QSTR_update_refresh_mode), MP_ROM_PTR(&displayio_epaperdisplay_update_refresh_mode_obj) },
{ MP_ROM_QSTR(MP_QSTR_refresh), MP_ROM_PTR(&displayio_epaperdisplay_refresh_obj) },
{ MP_ROM_QSTR(MP_QSTR_width), MP_ROM_PTR(&displayio_epaperdisplay_width_obj) },

7
shared-module/displayio/EPaperDisplay.c
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@ -163,6 +163,13 @@ STATIC void send_command_sequence(displayio_epaperdisplay_obj_t *self,
}
}
void displayio_epaperdisplay_change_refresh_mode_parameters(displayio_epaperdisplay_obj_t *self,
mp_buffer_info_t *start_sequence, float seconds_per_frame) {
self->start_sequence = (uint8_t *)start_sequence->buf;
self->start_sequence_len = start_sequence->len;
self->milliseconds_per_frame = seconds_per_frame * 1000;
}
void displayio_epaperdisplay_start_refresh(displayio_epaperdisplay_obj_t *self) {
// run start sequence
self->core.bus_reset(self->core.bus);

2
shared-module/displayio/EPaperDisplay.h
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@ -59,6 +59,8 @@ typedef struct {
display_chip_select_behavior_t chip_select;
} displayio_epaperdisplay_obj_t;
void displayio_epaperdisplay_change_refresh_mode_parameters(displayio_epaperdisplay_obj_t *self,
mp_buffer_info_t *start_sequence, float seconds_per_frame);
void displayio_epaperdisplay_background(displayio_epaperdisplay_obj_t *self);
void release_epaperdisplay(displayio_epaperdisplay_obj_t *self);
size_t maybe_refresh_epaperdisplay(void);