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Adding quick refresh support

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This commit is contained in:
Amit Sides 2021-08-21 23:51:24 +03:00
parent 57841dc92b
commit 1b6283a5ae
4 changed files with 28 additions and 3 deletions
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25
shared-bindings/displayio/EPaperDisplay.c
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@ -217,6 +217,30 @@ 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);
STATIC mp_obj_t 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
self->start_sequence = (uint8_t *)start_sequence.buf;
self->start_sequence_len = start_sequence.len;
self->milliseconds_per_frame = seconds_per_frame * 1000;
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_KW(update_refresh_mode_obj, 3, 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 +363,7 @@ 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(&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) },

2
shared-bindings/displayio/EPaperDisplay.h
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@ -39,7 +39,7 @@ extern const mp_obj_type_t displayio_epaperdisplay_type;
#define NO_COMMAND 0x100
void common_hal_displayio_epaperdisplay_construct(displayio_epaperdisplay_obj_t *self,
mp_obj_t bus, const uint8_t *start_sequence, uint16_t start_sequence_len, const uint8_t *stop_sequence, uint16_t stop_sequence_len,
mp_obj_t bus, uint8_t *start_sequence, uint16_t start_sequence_len, const uint8_t *stop_sequence, uint16_t stop_sequence_len,
uint16_t width, uint16_t height, uint16_t ram_width, uint16_t ram_height, int16_t colstart, int16_t rowstart, uint16_t rotation,
uint16_t set_column_window_command, uint16_t set_row_window_command,
uint16_t set_current_column_command, uint16_t set_current_row_command,

2
shared-module/displayio/EPaperDisplay.c
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@ -43,7 +43,7 @@
#include <string.h>
void common_hal_displayio_epaperdisplay_construct(displayio_epaperdisplay_obj_t *self,
mp_obj_t bus, const uint8_t *start_sequence, uint16_t start_sequence_len,
mp_obj_t bus, uint8_t *start_sequence, uint16_t start_sequence_len,
const uint8_t *stop_sequence, uint16_t stop_sequence_len,
uint16_t width, uint16_t height, uint16_t ram_width, uint16_t ram_height,
int16_t colstart, int16_t rowstart, uint16_t rotation,

2
shared-module/displayio/EPaperDisplay.h
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@ -38,7 +38,7 @@ typedef struct {
displayio_display_core_t core;
digitalio_digitalinout_obj_t busy;
uint32_t milliseconds_per_frame;
const uint8_t *start_sequence;
uint8_t *start_sequence;
uint32_t start_sequence_len;
const uint8_t *stop_sequence;
uint32_t stop_sequence_len;