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@ -337,6 +337,23 @@ const mp_obj_property_t displayio_display_height_obj = {
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(mp_obj_t)&mp_const_none_obj},
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};
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//| .. attribute:: rotation
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//|
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//| The rotation of the display as an int in degrees.
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//|
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STATIC mp_obj_t displayio_display_obj_get_rotation(mp_obj_t self_in) {
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displayio_display_obj_t *self = native_display(self_in);
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return MP_OBJ_NEW_SMALL_INT(common_hal_displayio_display_get_rotation(self));
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}
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MP_DEFINE_CONST_FUN_OBJ_1(displayio_display_get_rotation_obj, displayio_display_obj_get_rotation);
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const mp_obj_property_t displayio_display_rotation_obj = {
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.base.type = &mp_type_property,
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.proxy = {(mp_obj_t)&displayio_display_get_rotation_obj,
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(mp_obj_t)&mp_const_none_obj,
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(mp_obj_t)&mp_const_none_obj},
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};
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//| .. attribute:: bus
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//|
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//| The bus being used by the display
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@ -356,16 +373,81 @@ const mp_obj_property_t displayio_display_bus_obj = {
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};
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//| .. method:: fill_row(y, buffer)
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//|
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//| Extract the pixels from a single row
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//|
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//| :param int y: The top edge of the area
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//| :param bytearray buffer: The buffer in which to place the pixel data
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STATIC mp_obj_t displayio_display_obj_fill_row(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
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enum { ARG_y, ARG_buffer };
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static const mp_arg_t allowed_args[] = {
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{ MP_QSTR_y, MP_ARG_INT | MP_ARG_REQUIRED, {.u_int = -1} },
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{ MP_QSTR_buffer, MP_ARG_OBJ | MP_ARG_REQUIRED, {} },
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};
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mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
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mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
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displayio_display_obj_t *self = native_display(pos_args[0]);
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mp_int_t y = args[ARG_y].u_int;
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mp_obj_t *result = args[ARG_buffer].u_obj;
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mp_buffer_info_t bufinfo;
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mp_get_buffer_raise(result, &bufinfo, MP_BUFFER_WRITE);
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if (bufinfo.typecode != BYTEARRAY_TYPECODE) {
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mp_raise_ValueError(translate("Buffer is not a bytearray."));
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}
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if (self->colorspace.depth != 16) {
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mp_raise_ValueError(translate("Display must have a 16 bit colorspace."));
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}
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displayio_area_t area = {
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.x1 = 0,
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.y1 = y,
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.x2 = self->width,
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.y2 = y + 1
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};
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uint8_t pixels_per_word = (sizeof(uint32_t) * 8) / self->colorspace.depth;
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uint16_t buffer_size = self->width / pixels_per_word;
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uint16_t pixels_per_buffer = displayio_area_size(&area);
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if (pixels_per_buffer % pixels_per_word) {
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buffer_size += 1;
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}
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uint32_t *result_buffer = bufinfo.buf;
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size_t result_buffer_size = bufinfo.len;
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if (result_buffer_size >= (buffer_size * 4)) {
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volatile uint32_t mask_length = (pixels_per_buffer / 32) + 1;
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uint32_t mask[mask_length];
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for (uint16_t k = 0; k < mask_length; k++) {
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mask[k] = 0x00000000;
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}
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displayio_display_fill_area(self, &area, mask, result_buffer);
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return result;
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} else {
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mp_raise_ValueError(translate("Buffer is too small"));
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}
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}
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MP_DEFINE_CONST_FUN_OBJ_KW(displayio_display_fill_row_obj, 1, displayio_display_obj_fill_row);
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STATIC const mp_rom_map_elem_t displayio_display_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_show), MP_ROM_PTR(&displayio_display_show_obj) },
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{ MP_ROM_QSTR(MP_QSTR_refresh_soon), MP_ROM_PTR(&displayio_display_refresh_soon_obj) },
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{ MP_ROM_QSTR(MP_QSTR_wait_for_frame), MP_ROM_PTR(&displayio_display_wait_for_frame_obj) },
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{ MP_ROM_QSTR(MP_QSTR_fill_row), MP_ROM_PTR(&displayio_display_fill_row_obj) },
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{ MP_ROM_QSTR(MP_QSTR_brightness), MP_ROM_PTR(&displayio_display_brightness_obj) },
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{ MP_ROM_QSTR(MP_QSTR_auto_brightness), MP_ROM_PTR(&displayio_display_auto_brightness_obj) },
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{ MP_ROM_QSTR(MP_QSTR_width), MP_ROM_PTR(&displayio_display_width_obj) },
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{ MP_ROM_QSTR(MP_QSTR_height), MP_ROM_PTR(&displayio_display_height_obj) },
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{ MP_ROM_QSTR(MP_QSTR_rotation), MP_ROM_PTR(&displayio_display_rotation_obj) },
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{ MP_ROM_QSTR(MP_QSTR_bus), MP_ROM_PTR(&displayio_display_bus_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(displayio_display_locals_dict, displayio_display_locals_dict_table);
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Scott Shawcroft
4 years ago
committed by
GitHub