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-rw-r--r--shared-module/displayio/EPaperDisplay.c23
-rw-r--r--shared-module/displayio/Palette.c3
2 files changed, 25 insertions, 1 deletions
diff --git a/shared-module/displayio/EPaperDisplay.c b/shared-module/displayio/EPaperDisplay.c
index 1b285b4b1..3fb37ff21 100644
--- a/shared-module/displayio/EPaperDisplay.c
+++ b/shared-module/displayio/EPaperDisplay.c
@@ -198,6 +198,29 @@ mp_obj_t common_hal_displayio_epaperdisplay_get_bus(displayio_epaperdisplay_obj_
return self->core.bus;
}
+void common_hal_displayio_epaperdisplay_set_rotation(displayio_epaperdisplay_obj_t* self, int rotation){
+ bool transposed = (self->core.rotation == 90 || self->core.rotation == 270);
+ bool will_transposed = (rotation == 90 || rotation == 270);
+ if(transposed != will_transposed) {
+ int tmp = self->core.width;
+ self->core.width = self->core.height;
+ self->core.height = tmp;
+ }
+ displayio_display_core_set_rotation(&self->core, rotation);
+ if (self == &displays[0].epaper_display) {
+ supervisor_stop_terminal();
+ supervisor_start_terminal(self->core.width, self->core.height);
+ }
+ if (self->core.current_group != NULL) {
+ displayio_group_update_transform(self->core.current_group, &self->core.transform);
+ }
+}
+
+uint16_t common_hal_displayio_epaperdisplay_get_rotation(displayio_epaperdisplay_obj_t* self){
+ return self->core.rotation;
+}
+
+
bool displayio_epaperdisplay_refresh_area(displayio_epaperdisplay_obj_t* self, const displayio_area_t* area) {
uint16_t buffer_size = 128; // In uint32_ts
diff --git a/shared-module/displayio/Palette.c b/shared-module/displayio/Palette.c
index facb1fa73..ba5ff665c 100644
--- a/shared-module/displayio/Palette.c
+++ b/shared-module/displayio/Palette.c
@@ -83,7 +83,8 @@ bool displayio_palette_get_color(displayio_palette_t *self, const _displayio_col
uint8_t pixel_hue = self->colors[palette_index].hue;
displayio_colorconverter_compute_tricolor(colorspace, pixel_hue, luma, color);
} else if (colorspace->grayscale) {
- *color = self->colors[palette_index].luma >> (8 - colorspace->depth);
+ size_t bitmask = (1 << colorspace->depth) - 1;
+ *color = (self->colors[palette_index].luma >> colorspace->grayscale_bit) & bitmask;
} else {
uint16_t packed = self->colors[palette_index].rgb565;
if (colorspace->reverse_bytes_in_word) {