diff options
Diffstat (limited to 'shared-module')
| -rw-r--r-- | shared-module/_stage/__init__.c | 4 | ||||
| -rw-r--r-- | shared-module/displayio/Display.c | 479 | ||||
| -rw-r--r-- | shared-module/displayio/Display.h | 27 | ||||
| -rw-r--r-- | shared-module/displayio/EPaperDisplay.c | 350 | ||||
| -rw-r--r-- | shared-module/displayio/EPaperDisplay.h | 28 | ||||
| -rw-r--r-- | shared-module/displayio/__init__.c | 10 | ||||
| -rw-r--r-- | shared-module/displayio/display_core.c | 309 | ||||
| -rw-r--r-- | shared-module/displayio/display_core.h | 90 |
8 files changed, 628 insertions, 669 deletions
diff --git a/shared-module/_stage/__init__.c b/shared-module/_stage/__init__.c index ca71b758e..bfef165e7 100644 --- a/shared-module/_stage/__init__.c +++ b/shared-module/_stage/__init__.c @@ -57,7 +57,7 @@ void render_stage(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, index += 1; // The buffer is full, send it. if (index >= buffer_size) { - display->send(display->bus, false, ((uint8_t*)buffer), + display->core.send(display->core.bus, false, false, ((uint8_t*)buffer), buffer_size * 2); index = 0; } @@ -67,6 +67,6 @@ void render_stage(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, } // Send the remaining data. if (index) { - display->send(display->bus, false, ((uint8_t*)buffer), index * 2); + display->core.send(display->core.bus, false, false, ((uint8_t*)buffer), index * 2); } } diff --git a/shared-module/displayio/Display.c b/shared-module/displayio/Display.c index fafb35f43..86800328f 100644 --- a/shared-module/displayio/Display.c +++ b/shared-module/displayio/Display.c @@ -33,7 +33,9 @@ #include "shared-bindings/microcontroller/Pin.h" #include "shared-bindings/time/__init__.h" #include "shared-module/displayio/__init__.h" +#include "shared-module/displayio/display_core.h" #include "supervisor/shared/display.h" +#include "supervisor/usb.h" #include <stdint.h> #include <string.h> @@ -41,48 +43,34 @@ #include "tick.h" void common_hal_displayio_display_construct(displayio_display_obj_t* self, - mp_obj_t bus, uint16_t width, uint16_t height, int16_t colstart, int16_t rowstart, uint16_t rotation, - uint16_t color_depth, bool grayscale, bool pixels_in_byte_share_row, uint8_t bytes_per_cell, bool reverse_pixels_in_byte, - uint8_t set_column_command, uint8_t set_row_command, - uint8_t write_ram_command, uint8_t set_vertical_scroll, uint8_t* init_sequence, uint16_t init_sequence_len, - const mcu_pin_obj_t* backlight_pin, uint16_t brightness_command, mp_float_t brightness, bool auto_brightness, - bool single_byte_bounds, bool data_as_commands) { - self->colorspace.depth = color_depth; - self->colorspace.grayscale = grayscale; - self->colorspace.pixels_in_byte_share_row = pixels_in_byte_share_row; - self->colorspace.bytes_per_cell = bytes_per_cell; - self->colorspace.reverse_pixels_in_byte = reverse_pixels_in_byte; + mp_obj_t bus, uint16_t width, uint16_t height, int16_t colstart, int16_t rowstart, + uint16_t rotation, uint16_t color_depth, bool grayscale, bool pixels_in_byte_share_row, + uint8_t bytes_per_cell, bool reverse_pixels_in_byte, uint8_t set_column_command, + uint8_t set_row_command, uint8_t write_ram_command, uint8_t set_vertical_scroll, + uint8_t* init_sequence, uint16_t init_sequence_len, const mcu_pin_obj_t* backlight_pin, + uint16_t brightness_command, mp_float_t brightness, bool auto_brightness, + bool single_byte_bounds, bool data_as_commands, bool auto_refresh, uint16_t native_frames_per_second) { + uint16_t ram_width = 0x100; + uint16_t ram_height = 0x100; + if (single_byte_bounds) { + ram_width = 0xff; + ram_height = 0xff; + } + displayio_display_core_construct(&self->core, bus, width, height, ram_width, ram_height, colstart, rowstart, rotation, + color_depth, grayscale, pixels_in_byte_share_row, bytes_per_cell, reverse_pixels_in_byte); + self->set_column_command = set_column_command; self->set_row_command = set_row_command; self->write_ram_command = write_ram_command; - self->refresh = false; - self->current_group = NULL; - self->colstart = colstart; - self->rowstart = rowstart; self->brightness_command = brightness_command; self->auto_brightness = auto_brightness; self->data_as_commands = data_as_commands; - self->single_byte_bounds = single_byte_bounds; - - if (MP_OBJ_IS_TYPE(bus, &displayio_parallelbus_type)) { - self->begin_transaction = common_hal_displayio_parallelbus_begin_transaction; - self->send = common_hal_displayio_parallelbus_send; - self->end_transaction = common_hal_displayio_parallelbus_end_transaction; - } else if (MP_OBJ_IS_TYPE(bus, &displayio_fourwire_type)) { - self->begin_transaction = common_hal_displayio_fourwire_begin_transaction; - self->send = common_hal_displayio_fourwire_send; - self->end_transaction = common_hal_displayio_fourwire_end_transaction; - } else if (MP_OBJ_IS_TYPE(bus, &displayio_i2cdisplay_type)) { - self->begin_transaction = common_hal_displayio_i2cdisplay_begin_transaction; - self->send = common_hal_displayio_i2cdisplay_send; - self->end_transaction = common_hal_displayio_i2cdisplay_end_transaction; - } else { - mp_raise_ValueError(translate("Unsupported display bus type")); - } - self->bus = bus; + + self->native_frames_per_second = native_frames_per_second; + self->native_frame_time = 1000 / native_frames_per_second; uint32_t i = 0; - while (!self->begin_transaction(self->bus)) { + while (!displayio_display_core_begin_transaction(&self->core)) { RUN_BACKGROUND_TASKS; } while (i < init_sequence_len) { @@ -95,10 +83,10 @@ void common_hal_displayio_display_construct(displayio_display_obj_t* self, uint8_t full_command[data_size + 1]; full_command[0] = cmd[0]; memcpy(full_command + 1, data, data_size); - self->send(self->bus, true, true, full_command, data_size + 1); + self->core.send(self->core.bus, true, true, full_command, data_size + 1); } else { - self->send(self->bus, true, true, cmd, 1); - self->send(self->bus, false, false, data, data_size); + self->core.send(self->core.bus, true, true, cmd, 1); + self->core.send(self->core.bus, false, false, data, data_size); } uint16_t delay_length_ms = 10; if (delay) { @@ -111,33 +99,10 @@ void common_hal_displayio_display_construct(displayio_display_obj_t* self, common_hal_time_delay_ms(delay_length_ms); i += 2 + data_size; } - self->end_transaction(self->bus); + self->core.end_transaction(self->core.bus); supervisor_start_terminal(width, height); - self->width = width; - self->height = height; - self->rotation = rotation % 360; - self->transform.x = 0; - self->transform.y = 0; - self->transform.scale = 1; - self->transform.mirror_x = false; - self->transform.mirror_y = false; - self->transform.transpose_xy = false; - if (rotation == 0 || rotation == 180) { - if (rotation == 180) { - self->transform.mirror_x = true; - self->transform.mirror_y = true; - } - } else { - self->transform.transpose_xy = true; - if (rotation == 270) { - self->transform.mirror_y = true; - } else { - self->transform.mirror_x = true; - } - } - // Always set the backlight type in case we're reusing memory. self->backlight_inout.base.type = &mp_type_NoneType; if (backlight_pin != NULL && common_hal_mcu_pin_is_free(backlight_pin)) { @@ -158,101 +123,98 @@ void common_hal_displayio_display_construct(displayio_display_obj_t* self, self->current_brightness = -1.0; } - self->area.x1 = 0; - self->area.y1 = 0; - self->area.next = NULL; - - self->transform.dx = 1; - self->transform.dy = 1; - if (self->transform.transpose_xy) { - self->area.x2 = height; - self->area.y2 = width; - if (self->transform.mirror_x) { - self->transform.x = height; - self->transform.dx = -1; - } - if (self->transform.mirror_y) { - self->transform.y = width; - self->transform.dy = -1; - } - } else { - self->area.x2 = width; - self->area.y2 = height; - if (self->transform.mirror_x) { - self->transform.x = width; - self->transform.dx = -1; - } - if (self->transform.mirror_y) { - self->transform.y = height; - self->transform.dy = -1; - } - } - // Set the group after initialization otherwise we may send pixels while we delay in // initialization. common_hal_displayio_display_show(self, &circuitpython_splash); } bool common_hal_displayio_display_show(displayio_display_obj_t* self, displayio_group_t* root_group) { - if (root_group == NULL) { - if (!circuitpython_splash.in_group) { - root_group = &circuitpython_splash; - } else if (self->current_group == &circuitpython_splash) { - return false; + return displayio_display_core_show(&self->core, root_group); +} + +uint16_t common_hal_displayio_display_get_width(displayio_display_obj_t* self){ + return displayio_display_core_get_width(&self->core); +} + +uint16_t common_hal_displayio_display_get_height(displayio_display_obj_t* self){ + return displayio_display_core_get_height(&self->core); +} + +bool common_hal_displayio_display_get_auto_brightness(displayio_display_obj_t* self) { + return self->auto_brightness; +} + +void common_hal_displayio_display_set_auto_brightness(displayio_display_obj_t* self, bool auto_brightness) { + self->auto_brightness = auto_brightness; +} + +mp_float_t common_hal_displayio_display_get_brightness(displayio_display_obj_t* self) { + return self->current_brightness; +} + +bool common_hal_displayio_display_set_brightness(displayio_display_obj_t* self, mp_float_t brightness) { + self->updating_backlight = true; + bool ok = false; + if (self->backlight_pwm.base.type == &pulseio_pwmout_type) { + common_hal_pulseio_pwmout_set_duty_cycle(&self->backlight_pwm, (uint16_t) (0xffff * brightness)); + ok = true; + } else if (self->backlight_inout.base.type == &digitalio_digitalinout_type) { + common_hal_digitalio_digitalinout_set_value(&self->backlight_inout, brightness > 0.99); + ok = true; + } else if (self->brightness_command != NO_BRIGHTNESS_COMMAND) { + ok = displayio_display_core_begin_transaction(&self->core); + if (ok) { + if (self->data_as_commands) { + uint8_t set_brightness[2] = {self->brightness_command, (uint8_t) (0xff * brightness)}; + self->core.send(self->core.bus, true, true, set_brightness, 2); + } else { + uint8_t command = self->brightness_command; + uint8_t hex_brightness = 0xff * brightness; + self->core.send(self->core.bus, true, true, &command, 1); + self->core.send(self->core.bus, false, false, &hex_brightness, 1); + } + displayio_display_core_end_transaction(&self->core); } + } - if (root_group == self->current_group) { - return true; - } - if (root_group != NULL && root_group->in_group) { - return false; - } - if (self->current_group != NULL) { - self->current_group->in_group = false; + self->updating_backlight = false; + if (ok) { + self->current_brightness = brightness; } + return ok; +} - if (root_group != NULL) { - displayio_group_update_transform(root_group, &self->transform); - root_group->in_group = true; - } - self->current_group = root_group; - self->full_refresh = true; - common_hal_displayio_display_refresh_soon(self); - return true; +mp_obj_t common_hal_displayio_display_get_bus(displayio_display_obj_t* self) { + return self->core.bus; } -const displayio_area_t* displayio_display_get_refresh_areas(displayio_display_obj_t *self) { - if (self->full_refresh) { - self->area.next = NULL; - return &self->area; +STATIC const displayio_area_t* _get_refresh_areas(displayio_display_obj_t *self) { + if (self->core.full_refresh) { + self->core.area.next = NULL; + return &self->core.area; } else { - if (self->current_group == NULL || self->current_group->base.type != &displayio_group_type) { - asm("bkpt"); - } - return displayio_group_get_refresh_areas(self->current_group, NULL); + return displayio_group_get_refresh_areas(self->core.current_group, NULL); } } -int32_t common_hal_displayio_display_wait_for_frame(displayio_display_obj_t* self) { - uint64_t last_refresh = self->last_refresh; - // Don't try to refresh if we got an exception. - while (last_refresh == self->last_refresh && MP_STATE_VM(mp_pending_exception) == NULL) { - RUN_BACKGROUND_TASKS; +STATIC void _send_pixels(displayio_display_obj_t* self, uint8_t* pixels, uint32_t length) { + if (!self->data_as_commands) { + self->core.send(self->core.bus, true, true, &self->write_ram_command, 1); } - return 0; + self->core.send(self->core.bus, false, false, pixels, length); } -STATIC bool refresh_area(displayio_display_obj_t* display, const displayio_area_t* area) { +STATIC bool _refresh_area(displayio_display_obj_t* self, const displayio_area_t* area) { uint16_t buffer_size = 128; // In uint32_ts displayio_area_t clipped; // Clip the area to the display by overlapping the areas. If there is no overlap then we're done. - if (!displayio_display_clip_area(display, area, &clipped)) { + if (!displayio_display_core_clip_area(&self->core, area, &clipped)) { return true; } uint16_t subrectangles = 1; uint16_t rows_per_buffer = displayio_area_height(&clipped); - uint8_t pixels_per_word = (sizeof(uint32_t) * 8) / display->colorspace.depth; + uint8_t pixels_per_word = (sizeof(uint32_t) * 8) / self->core.colorspace.depth; uint16_t pixels_per_buffer = displayio_area_size(&clipped); if (displayio_area_size(&clipped) > buffer_size * pixels_per_word) { rows_per_buffer = buffer_size * pixels_per_word / displayio_area_width(&clipped); @@ -260,8 +222,8 @@ STATIC bool refresh_area(displayio_display_obj_t* display, const displayio_area_ rows_per_buffer = 1; } // If pixels are packed by column then ensure rows_per_buffer is on a byte boundary. - if (display->colorspace.depth < 8 && !display->colorspace.pixels_in_byte_share_row) { - uint8_t pixels_per_byte = 8 / display->colorspace.depth; + if (self->core.colorspace.depth < 8 && !self->core.colorspace.pixels_in_byte_share_row) { + uint8_t pixels_per_byte = 8 / self->core.colorspace.depth; if (rows_per_buffer % pixels_per_byte != 0) { rows_per_buffer -= rows_per_buffer % pixels_per_byte; } @@ -296,15 +258,13 @@ STATIC bool refresh_area(displayio_display_obj_t* display, const displayio_area_ } remaining_rows -= rows_per_buffer; - displayio_display_begin_transaction(display); - displayio_display_set_region_to_update(display, &subrectangle); - displayio_display_end_transaction(display); + displayio_display_core_set_region_to_update(&self->core, self->set_column_command, self->set_row_command, NO_COMMAND, NO_COMMAND, self->data_as_commands, false, &subrectangle); uint16_t subrectangle_size_bytes; - if (display->colorspace.depth >= 8) { - subrectangle_size_bytes = displayio_area_size(&subrectangle) * (display->colorspace.depth / 8); + if (self->core.colorspace.depth >= 8) { + subrectangle_size_bytes = displayio_area_size(&subrectangle) * (self->core.colorspace.depth / 8); } else { - subrectangle_size_bytes = displayio_area_size(&subrectangle) / (8 / display->colorspace.depth); + subrectangle_size_bytes = displayio_area_size(&subrectangle) / (8 / self->core.colorspace.depth); } for (uint16_t k = 0; k < mask_length; k++) { @@ -314,14 +274,16 @@ STATIC bool refresh_area(displayio_display_obj_t* display, const displayio_area_ buffer[k] = 0x00000000; } - displayio_display_fill_area(display, &subrectangle, mask, buffer); + displayio_display_core_fill_area(&self->core, &subrectangle, mask, buffer); - if (!displayio_display_begin_transaction(display)) { - // Can't acquire display bus; skip the rest of the data. Try next display. + // Can't acquire display bus; skip the rest of the data. + if (!displayio_display_core_bus_free(&self->core)) { return false; } - displayio_display_send_pixels(display, (uint8_t*) buffer, subrectangle_size_bytes); - displayio_display_end_transaction(display); + + displayio_display_core_begin_transaction(&self->core); + _send_pixels(self, (uint8_t*) buffer, subrectangle_size_bytes); + displayio_display_core_end_transaction(&self->core); // TODO(tannewt): Make refresh displays faster so we don't starve other // background tasks. @@ -330,182 +292,59 @@ STATIC bool refresh_area(displayio_display_obj_t* display, const displayio_area_ return true; } -STATIC void refresh_display(displayio_display_obj_t* self) { - if (!displayio_display_begin_transaction(self)) { +STATIC void _refresh_display(displayio_display_obj_t* self) { + if (!displayio_display_core_bus_free(&self->core)) { // Can't acquire display bus; skip updating this display. Try next display. - continue; + return; } - displayio_display_end_transaction(self); - displayio_display_start_refresh(self); - const displayio_area_t* current_area = displayio_display_get_refresh_areas(self); + displayio_display_core_start_refresh(&self->core); + const displayio_area_t* current_area = _get_refresh_areas(self); while (current_area != NULL) { - refresh_area(self, current_area); + _refresh_area(self, current_area); current_area = current_area->next; } - displayio_display_finish_refresh(self); -} - -void common_hal_displayio_display_refresh(displayio_display_obj_t* self) { - // Time to refresh at specified frame rate? - while (!displayio_display_frame_queued(self)) { - // Too soon. Try next display. - continue; - } - refresh_display(self); -} - -bool common_hal_displayio_display_get_auto_brightness(displayio_display_obj_t* self) { - return self->auto_brightness; -} - -uint16_t common_hal_displayio_display_get_width(displayio_display_obj_t* self){ - return self->width; -} - -uint16_t common_hal_displayio_display_get_height(displayio_display_obj_t* self){ - return self->height; + displayio_display_core_finish_refresh(&self->core); } uint16_t common_hal_displayio_display_get_rotation(displayio_display_obj_t* self){ - return self->rotation; -} - -void common_hal_displayio_display_set_auto_brightness(displayio_display_obj_t* self, bool auto_brightness) { - self->auto_brightness = auto_brightness; -} - -mp_float_t common_hal_displayio_display_get_brightness(displayio_display_obj_t* self) { - return self->current_brightness; + return self->core.rotation; } -bool common_hal_displayio_display_set_brightness(displayio_display_obj_t* self, mp_float_t brightness) { - self->updating_backlight = true; - bool ok = false; - if (self->backlight_pwm.base.type == &pulseio_pwmout_type) { - common_hal_pulseio_pwmout_set_duty_cycle(&self->backlight_pwm, (uint16_t) (0xffff * brightness)); - ok = true; - } else if (self->backlight_inout.base.type == &digitalio_digitalinout_type) { - common_hal_digitalio_digitalinout_set_value(&self->backlight_inout, brightness > 0.99); - ok = true; - } else if (self->brightness_command != NO_BRIGHTNESS_COMMAND) { - ok = self->begin_transaction(self->bus); - if (ok) { - if (self->data_as_commands) { - uint8_t set_brightness[2] = {self->brightness_command, (uint8_t) (0xff * brightness)}; - self->send(self->bus, true, true, set_brightness, 2); - } else { - uint8_t command = self->brightness_command; - uint8_t hex_brightness = 0xff * brightness; - self->send(self->bus, true, true, &command, 1); - self->send(self->bus, false, false, &hex_brightness, 1); - } - self->end_transaction(self->bus); +void common_hal_displayio_display_refresh(displayio_display_obj_t* self, uint32_t target_frame_time, uint32_t maximum_frame_time) { + if (!self->auto_refresh) { + uint64_t current_time = ticks_ms; + uint32_t current_frame_time = current_time - self->core.last_refresh; + // Test to see if the real frame time is below our minimum. + if (current_frame_time > maximum_frame_time) { + mp_raise_RuntimeError(translate("Below minimum frame rate")); } - - } - self->updating_backlight = false; - if (ok) { - self->current_brightness = brightness; - } - return ok; -} - -bool displayio_display_begin_transaction(displayio_display_obj_t* self) { - return self->begin_transaction(self->bus); -} - -void displayio_display_end_transaction(displayio_display_obj_t* self) { - self->end_transaction(self->bus); -} - -void displayio_display_set_region_to_update(displayio_display_obj_t* self, displayio_area_t* area) { - uint16_t x1 = area->x1; - uint16_t x2 = area->x2; - uint16_t y1 = area->y1; - uint16_t y2 = area->y2; - // Collapse down the dimension where multiple pixels are in a byte. - if (self->colorspace.depth < 8) { - uint8_t pixels_per_byte = 8 / self->colorspace.depth; - if (self->colorspace.pixels_in_byte_share_row) { - x1 /= pixels_per_byte * self->colorspace.bytes_per_cell; - x2 /= pixels_per_byte * self->colorspace.bytes_per_cell; - } else { - y1 /= pixels_per_byte * self->colorspace.bytes_per_cell; - y2 /= pixels_per_byte * self->colorspace.bytes_per_cell; + uint32_t current_call_time = current_time - self->last_refresh_call; + self->last_refresh_call = current_time; + // Skip the actual refresh to help catch up. + if (current_call_time > target_frame_time) { + return; + } + uint32_t remaining_time = target_frame_time - (current_frame_time % target_frame_time); + // We're ahead of the game so wait until we align with the frame rate. + while (ticks_ms - self->last_refresh_call < remaining_time) { + #ifdef MICROPY_VM_HOOK_LOOP + MICROPY_VM_HOOK_LOOP ; + #endif } } - - // Set column. - uint8_t data[5]; - data[0] = self->set_column_command; - uint8_t data_length = 1; - if (!self->data_as_commands) { - self->send(self->bus, true, true, data, 1); - data_length = 0; - } - if (self->single_byte_bounds) { - data[data_length++] = x1 + self->colstart; - data[data_length++] = x2 - 1 + self->colstart; - } else { - x1 += self->colstart; - x2 += self->colstart - 1; - data[data_length++] = x1 >> 8; - data[data_length++] = x1 & 0xff; - data[data_length++] = x2 >> 8; - data[data_length++] = x2 & 0xff; - } - self->send(self->bus, self->data_as_commands, self->data_as_commands, data, data_length); - - // Set row. - data[0] = self->set_row_command; - data_length = 1; - if (!self->data_as_commands) { - self->send(self->bus, true, true, data, 1); - data_length = 0; - } - if (self->single_byte_bounds) { - data[data_length++] = y1 + self->rowstart; - data[data_length++] = y2 - 1 + self->rowstart; - } else { - y1 += self->rowstart; - y2 += self->rowstart - 1; - data[data_length++] = y1 >> 8; - data[data_length++] = y1 & 0xff; - data[data_length++] = y2 >> 8; - data[data_length++] = y2 & 0xff; - } - self->send(self->bus, self->data_as_commands, self->data_as_commands, data, data_length); -} - -void displayio_display_start_refresh(displayio_display_obj_t* self) { - self->last_refresh = ticks_ms; -} - -bool displayio_display_frame_queued(displayio_display_obj_t* self) { - if (self->current_group == NULL) { - return false; - } - // Refresh at ~60 fps. - return (ticks_ms - self->last_refresh) > 16; + _refresh_display(self); } -void displayio_display_finish_refresh(displayio_display_obj_t* self) { - if (self->current_group != NULL) { - displayio_group_finish_refresh(self->current_group); - } - self->refresh = false; - self->full_refresh = false; - self->last_refresh = ticks_ms; +bool common_hal_displayio_display_get_auto_refresh(displayio_display_obj_t* self) { + return self->auto_refresh; } -void displayio_display_send_pixels(displayio_display_obj_t* self, uint8_t* pixels, uint32_t length) { - if (!self->data_as_commands) { - self->send(self->bus, true, true, &self->write_ram_command, 1); - } - self->send(self->bus, false, false, pixels, length); +void common_hal_displayio_display_set_auto_refresh(displayio_display_obj_t* self, + bool auto_refresh) { + self->auto_refresh = auto_refresh; } -void displayio_display_update_backlight(displayio_display_obj_t* self) { +STATIC void _update_backlight(displayio_display_obj_t* self) { if (!self->auto_brightness || self->updating_backlight) { return; } @@ -520,17 +359,15 @@ void displayio_display_update_backlight(displayio_display_obj_t* self) { } void displayio_display_background(displayio_display_obj_t* self) { - displayio_display_update_backlight(self); + _update_backlight(self); - if (self->auto_refresh && (ticks_ms - self->last_refresh) > 16) { - display_refresh(self); + if (self->auto_refresh && (ticks_ms - self->core.last_refresh) > self->native_frame_time) { + _refresh_display(self); } } void release_display(displayio_display_obj_t* self) { - if (self->current_group != NULL) { - self->current_group->in_group = false; - } + release_display_core(&self->core); if (self->backlight_pwm.base.type == &pulseio_pwmout_type) { common_hal_pulseio_pwmout_reset_ok(&self->backlight_pwm); common_hal_pulseio_pwmout_deinit(&self->backlight_pwm); @@ -539,34 +376,6 @@ void release_display(displayio_display_obj_t* self) { } } -bool displayio_display_fill_area(displayio_display_obj_t *self, displayio_area_t* area, uint32_t* mask, uint32_t *buffer) { - return displayio_group_fill_area(self->current_group, &self->colorspace, area, mask, buffer); -} - -bool displayio_display_clip_area(displayio_display_obj_t *self, const displayio_area_t* area, displayio_area_t* clipped) { - bool overlaps = displayio_area_compute_overlap(&self->area, area, clipped); - if (!overlaps) { - return false; - } - // Expand the area if we have multiple pixels per byte and we need to byte - // align the bounds. - if (self->colorspace.depth < 8) { - uint8_t pixels_per_byte = 8 / self->colorspace.depth * self->colorspace.bytes_per_cell; - if (self->colorspace.pixels_in_byte_share_row) { - if (clipped->x1 % pixels_per_byte != 0) { - clipped->x1 -= clipped->x1 % pixels_per_byte; - } - if (clipped->x2 % pixels_per_byte != 0) { - clipped->x2 += pixels_per_byte - clipped->x2 % pixels_per_byte; - } - } else { - if (clipped->y1 % pixels_per_byte != 0) { - clipped->y1 -= clipped->y1 % pixels_per_byte; - } - if (clipped->y2 % pixels_per_byte != 0) { - clipped->y2 += pixels_per_byte - clipped->y2 % pixels_per_byte; - } - } - } - return true; +void displayio_display_collect_ptrs(displayio_display_obj_t* self) { + displayio_display_core_collect_ptrs(&self->core); } diff --git a/shared-module/displayio/Display.h b/shared-module/displayio/Display.h index db0a23012..cff566a61 100644 --- a/shared-module/displayio/Display.h +++ b/shared-module/displayio/Display.h @@ -32,46 +32,33 @@ #include "shared-bindings/pulseio/PWMOut.h" #include "shared-module/displayio/area.h" - -typedef bool (*display_bus_begin_transaction)(mp_obj_t bus); -typedef void (*display_bus_send)(mp_obj_t bus, bool command, bool toggle_every_byte, uint8_t *data, uint32_t data_length); -typedef void (*display_bus_end_transaction)(mp_obj_t bus); +#include "shared-module/displayio/display_core.h" typedef struct { mp_obj_base_t base; - mp_obj_t bus; - displayio_group_t *current_group; - uint64_t last_refresh; - display_bus_begin_transaction begin_transaction; - display_bus_send send; - display_bus_end_transaction end_transaction; + displayio_display_core_t core; union { digitalio_digitalinout_obj_t backlight_inout; pulseio_pwmout_obj_t backlight_pwm; }; uint64_t last_backlight_refresh; - displayio_buffer_transform_t transform; - displayio_area_t area; + uint64_t last_refresh_call; mp_float_t current_brightness; - uint16_t width; - uint16_t height; - uint16_t rotation; - _displayio_colorspace_t colorspace; - int16_t colstart; - int16_t rowstart; uint16_t brightness_command; + uint16_t native_frames_per_second; + uint16_t native_frame_time; uint8_t set_column_command; uint8_t set_row_command; uint8_t write_ram_command; bool auto_refresh; - bool single_byte_bounds; bool data_as_commands; bool auto_brightness; bool updating_backlight; - bool full_refresh; // New group means we need to refresh the whole display. } displayio_display_obj_t; void displayio_display_background(displayio_display_obj_t* self); void release_display(displayio_display_obj_t* self); +void displayio_display_collect_ptrs(displayio_display_obj_t* self); + #endif // MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_DISPLAY_H diff --git a/shared-module/displayio/EPaperDisplay.c b/shared-module/displayio/EPaperDisplay.c index 434adbdf4..6ff060a6a 100644 --- a/shared-module/displayio/EPaperDisplay.c +++ b/shared-module/displayio/EPaperDisplay.c @@ -50,18 +50,14 @@ void common_hal_displayio_epaperdisplay_construct(displayio_epaperdisplay_obj_t* uint16_t set_current_column_command, uint16_t set_current_row_command, uint16_t write_black_ram_command, bool black_bits_inverted, uint16_t write_color_ram_command, bool color_bits_inverted, uint32_t highlight_color, uint16_t refresh_display_command, const mcu_pin_obj_t* busy_pin, bool busy_state, mp_float_t seconds_per_frame, bool always_toggle_chip_select) { - self->colorspace.depth = 1; - self->colorspace.grayscale = true; - self->colorspace.pixels_in_byte_share_row = true; - self->colorspace.bytes_per_cell = 1; - self->colorspace.reverse_pixels_in_byte = true; - if (highlight_color != 0x000000) { - self->colorspace.tricolor = true; - self->colorspace.tricolor_hue = displayio_colorconverter_compute_hue(highlight_color); - self->colorspace.tricolor_luma = displayio_colorconverter_compute_luma(highlight_color); + self->core.colorspace.tricolor = true; + self->core.colorspace.tricolor_hue = displayio_colorconverter_compute_hue(highlight_color); + self->core.colorspace.tricolor_luma = displayio_colorconverter_compute_luma(highlight_color); } + displayio_display_core_construct(&self->core, bus, width, height, ram_width, ram_height, colstart, rowstart, rotation, 1, true, true, 1, true); + self->set_column_window_command = set_column_window_command; self->set_row_window_command = set_row_window_command; self->set_current_column_command = set_current_column_command; @@ -72,10 +68,6 @@ void common_hal_displayio_epaperdisplay_construct(displayio_epaperdisplay_obj_t* self->color_bits_inverted = color_bits_inverted; self->refresh_display_command = refresh_display_command; self->busy_state = busy_state; - self->refresh = true; - self->current_group = NULL; - self->colstart = colstart; - self->rowstart = rowstart; self->refreshing = false; self->milliseconds_per_frame = seconds_per_frame * 1000; self->always_toggle_chip_select = always_toggle_chip_select; @@ -85,88 +77,6 @@ void common_hal_displayio_epaperdisplay_construct(displayio_epaperdisplay_obj_t* self->stop_sequence = stop_sequence; self->stop_sequence_len = stop_sequence_len; - - if (MP_OBJ_IS_TYPE(bus, &displayio_parallelbus_type)) { - self->bus_reset = common_hal_displayio_parallelbus_reset; - self->bus_free = common_hal_displayio_parallelbus_bus_free; - self->begin_transaction = common_hal_displayio_parallelbus_begin_transaction; - self->send = common_hal_displayio_parallelbus_send; - self->end_transaction = common_hal_displayio_parallelbus_end_transaction; - } else if (MP_OBJ_IS_TYPE(bus, &displayio_fourwire_type)) { - self->bus_reset = common_hal_displayio_fourwire_reset; - self->bus_free = common_hal_displayio_fourwire_bus_free; - self->begin_transaction = common_hal_displayio_fourwire_begin_transaction; - self->send = common_hal_displayio_fourwire_send; - self->end_transaction = common_hal_displayio_fourwire_end_transaction; - } else if (MP_OBJ_IS_TYPE(bus, &displayio_i2cdisplay_type)) { - self->bus_reset = common_hal_displayio_i2cdisplay_reset; - self->bus_free = common_hal_displayio_i2cdisplay_bus_free; - self->begin_transaction = common_hal_displayio_i2cdisplay_begin_transaction; - self->send = common_hal_displayio_i2cdisplay_send; - self->end_transaction = common_hal_displayio_i2cdisplay_end_transaction; - } else { - mp_raise_ValueError(translate("Unsupported display bus type")); - } - self->bus = bus; - - supervisor_start_terminal(width, height); - - self->width = width; - self->height = height; - rotation = rotation % 360; - self->transform.x = 0; - self->transform.y = 0; - self->transform.scale = 1; - self->transform.mirror_x = false; - self->transform.mirror_y = false; - self->transform.transpose_xy = false; - if (rotation == 0 || rotation == 180) { - if (rotation == 180) { - self->transform.mirror_x = true; - self->transform.mirror_y = true; - } - } else { - self->transform.transpose_xy = true; - if (rotation == 270) { - self->transform.mirror_y = true; - } else { - self->transform.mirror_x = true; - } - } - - self->ram_width = ram_width; - self->ram_height = ram_height; - - self->area.x1 = 0; - self->area.y1 = 0; - self->area.next = NULL; - - self->transform.dx = 1; - self->transform.dy = 1; - if (self->transform.transpose_xy) { - self->area.x2 = height; - self->area.y2 = width; - if (self->transform.mirror_x) { - self->transform.x = height; - self->transform.dx = -1; - } - if (self->transform.mirror_y) { - self->transform.y = width; - self->transform.dy = -1; - } - } else { - self->area.x2 = width; - self->area.y2 = height; - if (self->transform.mirror_x) { - self->transform.x = width; - self->transform.dx = -1; - } - if (self->transform.mirror_y) { - self->transform.y = height; - self->transform.dy = -1; - } - } - self->busy.base.type = &mp_type_NoneType; if (busy_pin != NULL) { self->busy.base.type = &digitalio_digitalinout_type; @@ -179,77 +89,37 @@ void common_hal_displayio_epaperdisplay_construct(displayio_epaperdisplay_obj_t* // TODO: Clear } + supervisor_start_terminal(width, height); + // Set the group after initialization otherwise we may send pixels while we delay in // initialization. common_hal_displayio_epaperdisplay_show(self, &circuitpython_splash); } bool common_hal_displayio_epaperdisplay_show(displayio_epaperdisplay_obj_t* self, displayio_group_t* root_group) { - if (root_group == NULL && !circuitpython_splash.in_group) { - root_group = &circuitpython_splash; - } - if (root_group == self->current_group) { - return true; - } - if (root_group != NULL && root_group->in_group) { - return false; - } - if (self->current_group != NULL) { - self->current_group->in_group = false; - } - if (root_group != NULL) { - displayio_group_update_transform(root_group, &self->transform); - root_group->in_group = true; - self->current_group = root_group; - } - self->full_refresh = true; - return true; + return displayio_display_core_show(&self->core, root_group); } const displayio_area_t* displayio_epaperdisplay_get_refresh_areas(displayio_epaperdisplay_obj_t *self) { const displayio_area_t* first_area; - if (self->current_group == NULL || self->current_group->base.type != &displayio_group_type) { - asm("bkpt"); - } - if (self->full_refresh) { - first_area = &self->area; + if (self->core.full_refresh) { + first_area = &self->core.area; } else { - first_area = displayio_group_get_refresh_areas(self->current_group, NULL); + first_area = displayio_group_get_refresh_areas(self->core.current_group, NULL); } if (first_area != NULL && self->set_row_window_command == NO_COMMAND) { - self->area.next = NULL; - return &self->area; + self->core.area.next = NULL; + return &self->core.area; } return first_area; } -int32_t common_hal_displayio_epaperdisplay_wait_for_frame(displayio_epaperdisplay_obj_t* self) { - uint64_t last_refresh = self->last_refresh; - // Don't try to refresh if we got an exception. - while (last_refresh == self->last_refresh && MP_STATE_VM(mp_pending_exception) == NULL) { - MICROPY_VM_HOOK_LOOP - } - return 0; -} - uint16_t common_hal_displayio_epaperdisplay_get_width(displayio_epaperdisplay_obj_t* self){ - return self->width; + return displayio_display_core_get_width(&self->core); } uint16_t common_hal_displayio_epaperdisplay_get_height(displayio_epaperdisplay_obj_t* self){ - return self->height; -} - -bool displayio_epaperdisplay_bus_free(displayio_epaperdisplay_obj_t *self) { - return self->bus_free(self->bus); -} - -bool displayio_epaperdisplay_begin_transaction(displayio_epaperdisplay_obj_t* self) { - return self->begin_transaction(self->bus); -} - -void displayio_epaperdisplay_end_transaction(displayio_epaperdisplay_obj_t* self) { - self->end_transaction(self->bus); + return displayio_display_core_get_height(&self->core); } STATIC void wait_for_busy(displayio_epaperdisplay_obj_t* self) { @@ -271,10 +141,10 @@ STATIC void send_command_sequence(displayio_epaperdisplay_obj_t* self, bool shou bool delay = (data_size & DELAY) != 0; data_size &= ~DELAY; uint8_t *data = cmd + 2; - self->begin_transaction(self->bus); - self->send(self->bus, true, self->always_toggle_chip_select, cmd, 1); - self->send(self->bus, false, self->always_toggle_chip_select, data, data_size); - self->end_transaction(self->bus); + displayio_display_core_begin_transaction(&self->core); + self->core.send(self->core.bus, true, self->always_toggle_chip_select, cmd, 1); + self->core.send(self->core.bus, false, self->always_toggle_chip_select, data, data_size); + displayio_display_core_end_transaction(&self->core); uint16_t delay_length_ms = 0; if (delay) { data_size++; @@ -291,87 +161,17 @@ STATIC void send_command_sequence(displayio_epaperdisplay_obj_t* self, bool shou } } -void displayio_epaperdisplay_set_region_to_update(displayio_epaperdisplay_obj_t* self, displayio_area_t* area) { - if (self->set_row_window_command == NO_COMMAND) { - return; - } - uint16_t x1 = area->x1; - uint16_t x2 = area->x2; - uint16_t y1 = area->y1; - uint16_t y2 = area->y2; - // Collapse down the dimension where multiple pixels are in a byte. - uint8_t pixels_per_byte = 8 / self->colorspace.depth; - x1 /= pixels_per_byte * self->colorspace.bytes_per_cell; - x2 /= pixels_per_byte * self->colorspace.bytes_per_cell; - - - // Set column. - uint8_t data[5]; - data[0] = self->set_column_window_command; - self->send(self->bus, true, self->always_toggle_chip_select, data, 1); - uint8_t data_length = 0; - if (self->ram_width / pixels_per_byte < 0x100) { - data[data_length++] = x1 + self->colstart; - data[data_length++] = x2 - 1 + self->colstart; - } else { - x1 += self->colstart; - x2 += self->colstart - 1; - data[data_length++] = x1 >> 8; - data[data_length++] = x1 & 0xff; - data[data_length++] = x2 >> 8; - data[data_length++] = x2 & 0xff; - } - self->send(self->bus, false, self->always_toggle_chip_select, data, data_length); - if (self->set_current_column_command != NO_COMMAND) { - uint8_t command = self->set_current_column_command; - self->send(self->bus, true, self->always_toggle_chip_select, &command, 1); - self->send(self->bus, false, self->always_toggle_chip_select, data, data_length / 2); - } - - // Set row. - data[0] = self->set_row_window_command; - self->send(self->bus, true, self->always_toggle_chip_select, data, 1); - data_length = 0; - if (self->ram_height < 0x100) { - data[data_length++] = y1 + self->rowstart; - data[data_length++] = y2 - 1 + self->rowstart; - } else { - y1 += self->rowstart; - y2 += self->rowstart - 1; - data[data_length++] = y1 & 0xff; - data[data_length++] = y1 >> 8; - data[data_length++] = y2 & 0xff; - data[data_length++] = y2 >> 8; - } - self->send(self->bus, false, self->always_toggle_chip_select, data, data_length); - if (self->set_current_row_command != NO_COMMAND) { - uint8_t command = self->set_current_row_command; - self->send(self->bus, true, self->always_toggle_chip_select, &command, 1); - self->send(self->bus, false, self->always_toggle_chip_select, data, data_length / 2); - } -} - void displayio_epaperdisplay_start_refresh(displayio_epaperdisplay_obj_t* self) { // run start sequence - self->bus_reset(self->bus); + self->core.bus_reset(self->core.bus); send_command_sequence(self, true, self->start_sequence, self->start_sequence_len); - self->last_refresh = ticks_ms; -} - -void displayio_epaperdisplay_background_task(displayio_epaperdisplay_obj_t* self) { - if (self->refreshing && self->busy.base.type == &digitalio_digitalinout_type) { - if (common_hal_digitalio_digitalinout_get_value(&self->busy) != self->busy_state) { - self->refreshing = false; - // Run stop sequence but don't wait for busy because busy is set when sleeping. - send_command_sequence(self, false, self->stop_sequence, self->stop_sequence_len); - } - } + displayio_display_core_start_refresh(&self->core); } uint32_t common_hal_displayio_epaperdisplay_get_time_to_refresh(displayio_epaperdisplay_obj_t* self) { // Refresh at seconds per frame rate. - uint32_t elapsed_time = ticks_ms - self->last_refresh; + uint32_t elapsed_time = ticks_ms - self->core.last_refresh; if (elapsed_time > self->milliseconds_per_frame) { return 0; } @@ -380,20 +180,16 @@ uint32_t common_hal_displayio_epaperdisplay_get_time_to_refresh(displayio_epaper void displayio_epaperdisplay_finish_refresh(displayio_epaperdisplay_obj_t* self) { // Actually refresh the display now that all pixel RAM has been updated. - displayio_epaperdisplay_begin_transaction(self); - self->send(self->bus, true, self->always_toggle_chip_select, &self->refresh_display_command, 1); - displayio_epaperdisplay_end_transaction(self); + displayio_display_core_begin_transaction(&self->core); + self->core.send(self->core.bus, true, self->always_toggle_chip_select, &self->refresh_display_command, 1); + displayio_display_core_end_transaction(&self->core); self->refreshing = true; - if (self->current_group != NULL) { - displayio_group_finish_refresh(self->current_group); - } - self->refresh = false; - self->full_refresh = false; - self->last_refresh = ticks_ms; + displayio_display_core_finish_refresh(&self->core); } -void displayio_epaperdisplay_send_pixels(displayio_epaperdisplay_obj_t* self, uint8_t* pixels, uint32_t length) { +mp_obj_t common_hal_displayio_epaperdisplay_get_bus(displayio_epaperdisplay_obj_t* self) { + return self->core.bus; } bool displayio_epaperdisplay_refresh_area(displayio_epaperdisplay_obj_t* self, const displayio_area_t* area) { @@ -401,12 +197,12 @@ bool displayio_epaperdisplay_refresh_area(displayio_epaperdisplay_obj_t* self, c displayio_area_t clipped; // Clip the area to the display by overlapping the areas. If there is no overlap then we're done. - if (!displayio_epaperdisplay_clip_area(self, area, &clipped)) { + if (!displayio_display_core_clip_area(&self->core, area, &clipped)) { return true; } uint16_t subrectangles = 1; uint16_t rows_per_buffer = displayio_area_height(&clipped); - uint8_t pixels_per_word = (sizeof(uint32_t) * 8) / self->colorspace.depth; + uint8_t pixels_per_word = (sizeof(uint32_t) * 8) / self->core.colorspace.depth; uint16_t pixels_per_buffer = displayio_area_size(&clipped); if (displayio_area_size(&clipped) > buffer_size * pixels_per_word) { rows_per_buffer = buffer_size * pixels_per_word / displayio_area_width(&clipped); @@ -431,23 +227,23 @@ bool displayio_epaperdisplay_refresh_area(displayio_epaperdisplay_obj_t* self, c uint32_t mask[mask_length]; uint8_t passes = 1; - if (self->colorspace.tricolor) { + if (self->core.colorspace.tricolor) { passes = 2; } for (uint8_t pass = 0; pass < passes; pass++) { uint16_t remaining_rows = displayio_area_height(&clipped); - displayio_epaperdisplay_begin_transaction(self); - displayio_epaperdisplay_set_region_to_update(self, &clipped); - displayio_epaperdisplay_end_transaction(self); + if (self->set_row_window_command != NO_COMMAND) { + displayio_display_core_set_region_to_update(&self->core, self->set_column_window_command, self->set_row_window_command, self->set_current_column_command, self->set_current_row_command, false, self->always_toggle_chip_select, &clipped); + } uint8_t write_command = self->write_black_ram_command; if (pass == 1) { write_command = self->write_color_ram_command; } - displayio_epaperdisplay_begin_transaction(self); - self->send(self->bus, true, self->always_toggle_chip_select, &write_command, 1); - displayio_epaperdisplay_end_transaction(self); + displayio_display_core_begin_transaction(&self->core); + self->core.send(self->core.bus, true, self->always_toggle_chip_select, &write_command, 1); + displayio_display_core_end_transaction(&self->core); for (uint16_t j = 0; j < subrectangles; j++) { displayio_area_t subrectangle = { @@ -462,7 +258,7 @@ bool displayio_epaperdisplay_refresh_area(displayio_epaperdisplay_obj_t* self, c remaining_rows -= rows_per_buffer; - uint16_t subrectangle_size_bytes = displayio_area_size(&subrectangle) / (8 / self->colorspace.depth); + uint16_t subrectangle_size_bytes = displayio_area_size(&subrectangle) / (8 / self->core.colorspace.depth); for (uint16_t k = 0; k < mask_length; k++) { mask[k] = 0x00000000; @@ -471,11 +267,11 @@ bool displayio_epaperdisplay_refresh_area(displayio_epaperdisplay_obj_t* self, c buffer[k] = 0x00000000; } - self->colorspace.grayscale = true; + self->core.colorspace.grayscale = true; if (pass == 1) { - self->colorspace.grayscale = false; + self->core.colorspace.grayscale = false; } - displayio_group_fill_area(self->current_group, &self->colorspace, &subrectangle, mask, buffer); + displayio_display_core_fill_area(&self->core, &subrectangle, mask, buffer); // Invert it all. if ((pass == 1 && self->color_bits_inverted) || @@ -485,12 +281,12 @@ bool displayio_epaperdisplay_refresh_area(displayio_epaperdisplay_obj_t* self, c } } - if (!displayio_epaperdisplay_begin_transaction(self)) { + if (!displayio_display_core_begin_transaction(&self->core)) { // Can't acquire display bus; skip the rest of the data. Try next display. return false; } - self->send(self->bus, false, self->always_toggle_chip_select, (uint8_t*) buffer, subrectangle_size_bytes); - displayio_epaperdisplay_end_transaction(self); + self->core.send(self->core.bus, false, self->always_toggle_chip_select, (uint8_t*) buffer, subrectangle_size_bytes); + displayio_display_core_end_transaction(&self->core); // TODO(tannewt): Make refresh displays faster so we don't starve other // background tasks. @@ -512,57 +308,47 @@ bool common_hal_displayio_epaperdisplay_refresh(displayio_epaperdisplay_obj_t* s return false; } } - if (self->current_group == NULL) { - return false; + if (self->core.current_group == NULL) { + return true; } // Refresh at seconds per frame rate. - if (ticks_ms - self->last_refresh) > self->milliseconds_per_frame; - - if (displayio_epaperdisplay_get_time_to_refresh(display) > 0) { + if (common_hal_displayio_epaperdisplay_get_time_to_refresh(self) > 0) { return false; } - if (!displayio_epaperdisplay_bus_free(display)) { + if (!displayio_display_core_bus_free(&self->core)) { // Can't acquire display bus; skip updating this display. Try next display. - continue; + return false; } - const displayio_area_t* current_area = displayio_epaperdisplay_get_refresh_areas(display); + const displayio_area_t* current_area = displayio_epaperdisplay_get_refresh_areas(self); if (current_area == NULL) { - continue; + return true; } - displayio_epaperdisplay_start_refresh(display); + displayio_epaperdisplay_start_refresh(self); while (current_area != NULL) { - displayio_epaperdisplay_refresh_area(display, current_area); + displayio_epaperdisplay_refresh_area(self, current_area); current_area = current_area->next; } - displayio_epaperdisplay_finish_refresh(display); + displayio_epaperdisplay_finish_refresh(self); + return true; } -void release_epaperdisplay(displayio_epaperdisplay_obj_t* self) { - if (self->current_group != NULL) { - self->current_group->in_group = false; +void displayio_epaperdisplay_background(displayio_epaperdisplay_obj_t* self) { + if (self->refreshing && self->busy.base.type == &digitalio_digitalinout_type) { + if (common_hal_digitalio_digitalinout_get_value(&self->busy) != self->busy_state) { + self->refreshing = false; + // Run stop sequence but don't wait for busy because busy is set when sleeping. + send_command_sequence(self, false, self->stop_sequence, self->stop_sequence_len); + } } +} + +void release_epaperdisplay(displayio_epaperdisplay_obj_t* self) { + release_display_core(&self->core); if (self->busy.base.type == &digitalio_digitalinout_type) { common_hal_digitalio_digitalinout_deinit(&self->busy); } } -bool displayio_epaperdisplay_fill_area(displayio_epaperdisplay_obj_t *self, displayio_area_t* area, uint32_t* mask, uint32_t *buffer) { - return displayio_group_fill_area(self->current_group, &self->colorspace, area, mask, buffer); -} - -bool displayio_epaperdisplay_clip_area(displayio_epaperdisplay_obj_t *self, const displayio_area_t* area, displayio_area_t* clipped) { - bool overlaps = displayio_area_compute_overlap(&self->area, area, clipped); - if (!overlaps) { - return false; - } - // Expand the area if we have multiple pixels per byte and we need to byte - // align the bounds. - uint8_t pixels_per_byte = 8; - if (clipped->x1 % pixels_per_byte != 0) { - clipped->x1 -= clipped->x1 % pixels_per_byte; - } - if (clipped->x2 % pixels_per_byte != 0) { - clipped->x2 += pixels_per_byte - clipped->x2 % pixels_per_byte; - } - return true; +void displayio_epaperdisplay_collect_ptrs(displayio_epaperdisplay_obj_t* self) { + displayio_display_core_collect_ptrs(&self->core); } diff --git a/shared-module/displayio/EPaperDisplay.h b/shared-module/displayio/EPaperDisplay.h index cc7db6f6d..88b5ebfaf 100644 --- a/shared-module/displayio/EPaperDisplay.h +++ b/shared-module/displayio/EPaperDisplay.h @@ -32,38 +32,17 @@ #include "shared-bindings/pulseio/PWMOut.h" #include "shared-module/displayio/area.h" - -typedef void (*display_bus_bus_reset)(mp_obj_t bus); -typedef bool (*display_bus_bus_free)(mp_obj_t bus); -typedef bool (*display_bus_begin_transaction)(mp_obj_t bus); -typedef void (*display_bus_send)(mp_obj_t bus, bool command, bool toggle_every_byte, uint8_t *data, uint32_t data_length); -typedef void (*display_bus_end_transaction)(mp_obj_t bus); +#include "shared-module/displayio/display_core.h" typedef struct { mp_obj_base_t base; - mp_obj_t bus; - displayio_group_t *current_group; - uint64_t last_refresh; - display_bus_bus_reset bus_reset; - display_bus_bus_free bus_free; - display_bus_begin_transaction begin_transaction; - display_bus_send send; - display_bus_end_transaction end_transaction; + displayio_display_core_t core; digitalio_digitalinout_obj_t busy; uint32_t milliseconds_per_frame; uint8_t* start_sequence; uint32_t start_sequence_len; uint8_t* stop_sequence; uint32_t stop_sequence_len; - displayio_buffer_transform_t transform; - displayio_area_t area; - uint16_t width; - uint16_t height; - uint16_t ram_width; - uint16_t ram_height; - _displayio_colorspace_t colorspace; - int16_t colstart; - int16_t rowstart; uint16_t set_column_window_command; uint16_t set_row_window_command; uint16_t set_current_column_command; @@ -76,11 +55,12 @@ typedef struct { bool black_bits_inverted; bool color_bits_inverted; bool refreshing; - bool full_refresh; // New group means we need to refresh the whole display. bool always_toggle_chip_select; } displayio_epaperdisplay_obj_t; void displayio_epaperdisplay_background(displayio_epaperdisplay_obj_t* self); void release_epaperdisplay(displayio_epaperdisplay_obj_t* self); +void displayio_epaperdisplay_collect_ptrs(displayio_epaperdisplay_obj_t* self); + #endif // MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_EPAPERDISPLAY_H diff --git a/shared-module/displayio/__init__.c b/shared-module/displayio/__init__.c index 0ebed58c2..0a3b1fd10 100644 --- a/shared-module/displayio/__init__.c +++ b/shared-module/displayio/__init__.c @@ -4,7 +4,6 @@ #include "shared-module/displayio/__init__.h" #include "lib/utils/interrupt_char.h" -#include "py/gc.h" #include "py/reload.h" #include "py/runtime.h" #include "shared-bindings/board/__init__.h" @@ -16,7 +15,6 @@ #include "supervisor/shared/autoreload.h" #include "supervisor/shared/display.h" #include "supervisor/memory.h" -#include "supervisor/usb.h" primary_display_t displays[CIRCUITPY_DISPLAY_LIMIT]; @@ -46,8 +44,8 @@ void displayio_background(void) { } if (displays[i].display.base.type == &displayio_display_type) { displayio_display_background(&displays[i].display); - } else if (displays[i].epaperdisplay.base.type == &displayio_epaperdisplay_type) { - displayio_epaperdisplay_background(&displays[i].epaperdisplay); + } else if (displays[i].epaper_display.base.type == &displayio_epaperdisplay_type) { + displayio_epaperdisplay_background(&displays[i].epaper_display); } } @@ -162,9 +160,9 @@ void displayio_gc_collect(void) { // Alternatively, we could use gc_collect_root over the whole object, // but this is more precise, and is the only field that needs marking. if (displays[i].display.base.type == &displayio_display_type) { - gc_collect_ptr(displays[i].display.current_group); + displayio_display_collect_ptrs(&displays[i].display); } else if (displays[i].epaper_display.base.type == &displayio_epaperdisplay_type) { - gc_collect_ptr(displays[i].epaper_display.current_group); + displayio_epaperdisplay_collect_ptrs(&displays[i].epaper_display); } } } diff --git a/shared-module/displayio/display_core.c b/shared-module/displayio/display_core.c new file mode 100644 index 000000000..f8a8d8fea --- /dev/null +++ b/shared-module/displayio/display_core.c @@ -0,0 +1,309 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2018 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "shared-bindings/displayio/Display.h" + +#include "py/gc.h" +#include "py/runtime.h" +#include "shared-bindings/displayio/FourWire.h" +#include "shared-bindings/displayio/I2CDisplay.h" +#include "shared-bindings/displayio/ParallelBus.h" +#include "shared-bindings/microcontroller/Pin.h" +#include "shared-bindings/time/__init__.h" +#include "shared-module/displayio/__init__.h" +#include "supervisor/shared/display.h" + +#include <stdint.h> +#include <string.h> + +#include "tick.h" + +void displayio_display_core_construct(displayio_display_core_t* self, + mp_obj_t bus, 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 color_depth, bool grayscale, bool pixels_in_byte_share_row, uint8_t bytes_per_cell, bool reverse_pixels_in_byte) { + self->colorspace.depth = color_depth; + self->colorspace.grayscale = grayscale; + self->colorspace.pixels_in_byte_share_row = pixels_in_byte_share_row; + self->colorspace.bytes_per_cell = bytes_per_cell; + self->colorspace.reverse_pixels_in_byte = reverse_pixels_in_byte; + self->current_group = NULL; + self->colstart = colstart; + self->rowstart = rowstart; + + if (MP_OBJ_IS_TYPE(bus, &displayio_parallelbus_type)) { + self->bus_reset = common_hal_displayio_parallelbus_reset; + self->bus_free = common_hal_displayio_parallelbus_bus_free; + self->begin_transaction = common_hal_displayio_parallelbus_begin_transaction; + self->send = common_hal_displayio_parallelbus_send; + self->end_transaction = common_hal_displayio_parallelbus_end_transaction; + } else if (MP_OBJ_IS_TYPE(bus, &displayio_fourwire_type)) { + self->bus_reset = common_hal_displayio_fourwire_reset; + self->bus_free = common_hal_displayio_fourwire_bus_free; + self->begin_transaction = common_hal_displayio_fourwire_begin_transaction; + self->send = common_hal_displayio_fourwire_send; + self->end_transaction = common_hal_displayio_fourwire_end_transaction; + } else if (MP_OBJ_IS_TYPE(bus, &displayio_i2cdisplay_type)) { + self->bus_reset = common_hal_displayio_i2cdisplay_reset; + self->bus_free = common_hal_displayio_i2cdisplay_bus_free; + self->begin_transaction = common_hal_displayio_i2cdisplay_begin_transaction; + self->send = common_hal_displayio_i2cdisplay_send; + self->end_transaction = common_hal_displayio_i2cdisplay_end_transaction; + } else { + mp_raise_ValueError(translate("Unsupported display bus type")); + } + self->bus = bus; + + + supervisor_start_terminal(width, height); + + self->width = width; + self->height = height; + self->ram_width = width; + self->ram_height = height; + rotation = rotation % 360; + self->transform.x = 0; + self->transform.y = 0; + self->transform.scale = 1; + self->transform.mirror_x = false; + self->transform.mirror_y = false; + self->transform.transpose_xy = false; + if (rotation == 0 || rotation == 180) { + if (rotation == 180) { + self->transform.mirror_x = true; + self->transform.mirror_y = true; + } + } else { + self->transform.transpose_xy = true; + if (rotation == 270) { + self->transform.mirror_y = true; + } else { + self->transform.mirror_x = true; + } + } + + self->area.x1 = 0; + self->area.y1 = 0; + self->area.next = NULL; + + self->transform.dx = 1; + self->transform.dy = 1; + if (self->transform.transpose_xy) { + self->area.x2 = height; + self->area.y2 = width; + if (self->transform.mirror_x) { + self->transform.x = height; + self->transform.dx = -1; + } + if (self->transform.mirror_y) { + self->transform.y = width; + self->transform.dy = -1; + } + } else { + self->area.x2 = width; + self->area.y2 = height; + if (self->transform.mirror_x) { + self->transform.x = width; + self->transform.dx = -1; + } + if (self->transform.mirror_y) { + self->transform.y = height; + self->transform.dy = -1; + } + } +} + +bool displayio_display_core_show(displayio_display_core_t* self, displayio_group_t* root_group) { + if (root_group == NULL) { + if (!circuitpython_splash.in_group) { + root_group = &circuitpython_splash; + } else if (self->current_group == &circuitpython_splash) { + return false; + } + } + if (root_group == self->current_group) { + return true; + } + if (root_group != NULL && root_group->in_group) { + return false; + } + if (self->current_group != NULL) { + self->current_group->in_group = false; + } + + if (root_group != NULL) { + displayio_group_update_transform(root_group, &self->transform); + root_group->in_group = true; + } + self->current_group = root_group; + self->full_refresh = true; + return true; +} + +uint16_t displayio_display_core_get_width(displayio_display_core_t* self){ + return self->width; +} + +uint16_t displayio_display_core_get_height(displayio_display_core_t* self){ + return self->height; +} + +bool displayio_display_core_bus_free(displayio_display_core_t *self) { + return self->bus_free(self->bus); +} + +bool displayio_display_core_begin_transaction(displayio_display_core_t* self) { + return self->begin_transaction(self->bus); +} + +void displayio_display_core_end_transaction(displayio_display_core_t* self) { + self->end_transaction(self->bus); +} + +void displayio_display_core_set_region_to_update(displayio_display_core_t* self, uint8_t column_command, uint8_t row_command, uint16_t set_current_column_command, uint16_t set_current_row_command, bool data_as_commands, bool always_toggle_chip_select, displayio_area_t* area) { + displayio_display_core_begin_transaction(self); + uint16_t x1 = area->x1; + uint16_t x2 = area->x2; + uint16_t y1 = area->y1; + uint16_t y2 = area->y2; + // Collapse down the dimension where multiple pixels are in a byte. + if (self->colorspace.depth < 8) { + uint8_t pixels_per_byte = 8 / self->colorspace.depth; + if (self->colorspace.pixels_in_byte_share_row) { + x1 /= pixels_per_byte * self->colorspace.bytes_per_cell; + x2 /= pixels_per_byte * self->colorspace.bytes_per_cell; + } else { + y1 /= pixels_per_byte * self->colorspace.bytes_per_cell; + y2 /= pixels_per_byte * self->colorspace.bytes_per_cell; + } + } + + // Set column. + uint8_t data[5]; + data[0] = column_command; + uint8_t data_length = 1; + if (!data_as_commands) { + self->send(self->bus, true, true, data, 1); + data_length = 0; + } + if (self->ram_width < 0x100) { + data[data_length++] = x1 + self->colstart; + data[data_length++] = x2 - 1 + self->colstart; + } else { + x1 += self->colstart; + x2 += self->colstart - 1; + data[data_length++] = x1 >> 8; + data[data_length++] = x1 & 0xff; + data[data_length++] = x2 >> 8; + data[data_length++] = x2 & 0xff; + } + self->send(self->bus, data_as_commands, data_as_commands, data, data_length); + if (set_current_column_command != NO_COMMAND) { + uint8_t command = set_current_column_command; + self->send(self->bus, true, always_toggle_chip_select, &command, 1); + self->send(self->bus, false, always_toggle_chip_select, data, data_length / 2); + } + + // Set row. + data[0] = row_command; + data_length = 1; + if (!data_as_commands) { + self->send(self->bus, true, true, data, 1); + data_length = 0; + } + if (self->ram_height < 0x100) { + data[data_length++] = y1 + self->rowstart; + data[data_length++] = y2 - 1 + self->rowstart; + } else { + y1 += self->rowstart; + y2 += self->rowstart - 1; + data[data_length++] = y1 >> 8; + data[data_length++] = y1 & 0xff; + data[data_length++] = y2 >> 8; + data[data_length++] = y2 & 0xff; + } + self->send(self->bus, data_as_commands, data_as_commands, data, data_length); + if (set_current_row_command != NO_COMMAND) { + uint8_t command = set_current_row_command; + self->send(self->bus, true, always_toggle_chip_select, &command, 1); + self->send(self->bus, false, always_toggle_chip_select, data, data_length / 2); + } + + displayio_display_core_end_transaction(self); +} + +void displayio_display_core_start_refresh(displayio_display_core_t* self) { + self->last_refresh = ticks_ms; +} + +void displayio_display_core_finish_refresh(displayio_display_core_t* self) { + if (self->current_group != NULL) { + displayio_group_finish_refresh(self->current_group); + } + self->full_refresh = false; + self->last_refresh = ticks_ms; +} + +void release_display_core(displayio_display_core_t* self) { + if (self->current_group != NULL) { + self->current_group->in_group = false; + } +} + +void displayio_display_core_collect_ptrs(displayio_display_core_t* self) { + gc_collect_ptr(self->current_group); +} + +bool displayio_display_core_fill_area(displayio_display_core_t *self, displayio_area_t* area, uint32_t* mask, uint32_t *buffer) { + return displayio_group_fill_area(self->current_group, &self->colorspace, area, mask, buffer); +} + +bool displayio_display_core_clip_area(displayio_display_core_t *self, const displayio_area_t* area, displayio_area_t* clipped) { + bool overlaps = displayio_area_compute_overlap(&self->area, area, clipped); + if (!overlaps) { + return false; + } + // Expand the area if we have multiple pixels per byte and we need to byte + // align the bounds. + if (self->colorspace.depth < 8) { + uint8_t pixels_per_byte = 8 / self->colorspace.depth * self->colorspace.bytes_per_cell; + if (self->colorspace.pixels_in_byte_share_row) { + if (clipped->x1 % pixels_per_byte != 0) { + clipped->x1 -= clipped->x1 % pixels_per_byte; + } + if (clipped->x2 % pixels_per_byte != 0) { + clipped->x2 += pixels_per_byte - clipped->x2 % pixels_per_byte; + } + } else { + if (clipped->y1 % pixels_per_byte != 0) { + clipped->y1 -= clipped->y1 % pixels_per_byte; + } + if (clipped->y2 % pixels_per_byte != 0) { + clipped->y2 += pixels_per_byte - clipped->y2 % pixels_per_byte; + } + } + } + return true; +} diff --git a/shared-module/displayio/display_core.h b/shared-module/displayio/display_core.h new file mode 100644 index 000000000..c837ce913 --- /dev/null +++ b/shared-module/displayio/display_core.h @@ -0,0 +1,90 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2019 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_DISPLAY_CORE_H +#define MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_DISPLAY_CORE_H + +#include "shared-bindings/displayio/Group.h" + +#include "shared-module/displayio/area.h" + +#define NO_COMMAND 0x100 + +typedef void (*display_bus_bus_reset)(mp_obj_t bus); +typedef bool (*display_bus_bus_free)(mp_obj_t bus); +typedef bool (*display_bus_begin_transaction)(mp_obj_t bus); +typedef void (*display_bus_send)(mp_obj_t bus, bool command, bool toggle_every_byte, uint8_t *data, uint32_t data_length); +typedef void (*display_bus_end_transaction)(mp_obj_t bus); + +typedef struct { + mp_obj_t bus; + displayio_group_t *current_group; + uint64_t last_refresh; + display_bus_bus_reset bus_reset; + display_bus_bus_free bus_free; + display_bus_begin_transaction begin_transaction; + display_bus_send send; + display_bus_end_transaction end_transaction; + displayio_buffer_transform_t transform; + displayio_area_t area; + uint16_t width; + uint16_t height; + uint16_t rotation; + uint16_t ram_width; + uint16_t ram_height; + _displayio_colorspace_t colorspace; + int16_t colstart; + int16_t rowstart; + bool full_refresh; // New group means we need to refresh the whole display. +} displayio_display_core_t; + +void displayio_display_core_construct(displayio_display_core_t* self, + mp_obj_t bus, 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 color_depth, bool grayscale, bool pixels_in_byte_share_row, uint8_t bytes_per_cell, bool reverse_pixels_in_byte); + +bool displayio_display_core_show(displayio_display_core_t* self, displayio_group_t* root_group); + +uint16_t displayio_display_core_get_width(displayio_display_core_t* self); +uint16_t displayio_display_core_get_height(displayio_display_core_t* self); + +bool displayio_display_core_bus_free(displayio_display_core_t *self); +bool displayio_display_core_begin_transaction(displayio_display_core_t* self); +void displayio_display_core_end_transaction(displayio_display_core_t* self); + +void displayio_display_core_set_region_to_update(displayio_display_core_t* self, uint8_t column_command, uint8_t row_command, uint16_t set_current_column_command, uint16_t set_current_row_command, bool data_as_commands, bool always_toggle_chip_select, displayio_area_t* area); + +void release_display_core(displayio_display_core_t* self); + +void displayio_display_core_start_refresh(displayio_display_core_t* self); +void displayio_display_core_finish_refresh(displayio_display_core_t* self); + +void displayio_display_core_collect_ptrs(displayio_display_core_t* self); + +bool displayio_display_core_fill_area(displayio_display_core_t *self, displayio_area_t* area, uint32_t* mask, uint32_t *buffer); + +bool displayio_display_core_clip_area(displayio_display_core_t *self, const displayio_area_t* area, displayio_area_t* clipped); + +#endif // MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_DISPLAY_CORE_H |