391 lines
17 KiB
C
391 lines
17 KiB
C
/*
|
|
* This file is part of the Micro Python 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 <string.h>
|
|
|
|
#include "shared-module/displayio/__init__.h"
|
|
|
|
#include "shared/runtime/interrupt_char.h"
|
|
#include "py/runtime.h"
|
|
#include "shared-bindings/board/__init__.h"
|
|
#include "shared-bindings/displayio/Bitmap.h"
|
|
#include "shared-bindings/displayio/Display.h"
|
|
#include "shared-bindings/displayio/Group.h"
|
|
#include "shared-bindings/displayio/Palette.h"
|
|
#include "shared-module/displayio/area.h"
|
|
#include "supervisor/shared/display.h"
|
|
#include "supervisor/shared/reload.h"
|
|
#include "supervisor/memory.h"
|
|
|
|
#include "supervisor/spi_flash_api.h"
|
|
#include "py/mpconfig.h"
|
|
|
|
#if CIRCUITPY_SHARPDISPLAY
|
|
#include "shared-bindings/sharpdisplay/SharpMemoryFramebuffer.h"
|
|
#include "shared-module/sharpdisplay/SharpMemoryFramebuffer.h"
|
|
#endif
|
|
|
|
primary_display_bus_t display_buses[CIRCUITPY_DISPLAY_LIMIT];
|
|
primary_display_t displays[CIRCUITPY_DISPLAY_LIMIT];
|
|
|
|
displayio_buffer_transform_t null_transform = {
|
|
.x = 0,
|
|
.y = 0,
|
|
.dx = 1,
|
|
.dy = 1,
|
|
.scale = 1,
|
|
.width = 0,
|
|
.height = 0,
|
|
.mirror_x = false,
|
|
.mirror_y = false,
|
|
.transpose_xy = false
|
|
};
|
|
|
|
#if CIRCUITPY_RGBMATRIX || CIRCUITPY_IS31FL3741 || CIRCUITPY_VIDEOCORE
|
|
STATIC bool any_display_uses_this_framebuffer(mp_obj_base_t *obj) {
|
|
for (uint8_t i = 0; i < CIRCUITPY_DISPLAY_LIMIT; i++) {
|
|
if (displays[i].display_base.type == &framebufferio_framebufferdisplay_type) {
|
|
framebufferio_framebufferdisplay_obj_t *display = &displays[i].framebuffer_display;
|
|
if (display->framebuffer == obj) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
|
|
void displayio_background(void) {
|
|
if (mp_hal_is_interrupted()) {
|
|
return;
|
|
}
|
|
if (autoreload_ready()) {
|
|
// Reload is about to happen, so don't redisplay.
|
|
return;
|
|
}
|
|
|
|
for (uint8_t i = 0; i < CIRCUITPY_DISPLAY_LIMIT; i++) {
|
|
mp_const_obj_t display_type = displays[i].display.base.type;
|
|
if (display_type == NULL || display_type == &mp_type_NoneType) {
|
|
// Skip null display.
|
|
continue;
|
|
}
|
|
if (display_type == &displayio_display_type) {
|
|
displayio_display_background(&displays[i].display);
|
|
#if CIRCUITPY_FRAMEBUFFERIO
|
|
} else if (display_type == &framebufferio_framebufferdisplay_type) {
|
|
framebufferio_framebufferdisplay_background(&displays[i].framebuffer_display);
|
|
#endif
|
|
} else if (display_type == &displayio_epaperdisplay_type) {
|
|
displayio_epaperdisplay_background(&displays[i].epaper_display);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
void common_hal_displayio_release_displays(void) {
|
|
// Release displays before busses so that they can send any final commands to turn the display
|
|
// off properly.
|
|
for (uint8_t i = 0; i < CIRCUITPY_DISPLAY_LIMIT; i++) {
|
|
mp_const_obj_t display_type = displays[i].display_base.type;
|
|
if (display_type == NULL || display_type == &mp_type_NoneType) {
|
|
continue;
|
|
} else if (display_type == &displayio_display_type) {
|
|
release_display(&displays[i].display);
|
|
} else if (display_type == &displayio_epaperdisplay_type) {
|
|
release_epaperdisplay(&displays[i].epaper_display);
|
|
#if CIRCUITPY_FRAMEBUFFERIO
|
|
} else if (display_type == &framebufferio_framebufferdisplay_type) {
|
|
release_framebufferdisplay(&displays[i].framebuffer_display);
|
|
#endif
|
|
}
|
|
displays[i].display.base.type = &mp_type_NoneType;
|
|
}
|
|
for (uint8_t i = 0; i < CIRCUITPY_DISPLAY_LIMIT; i++) {
|
|
mp_const_obj_t bus_type = display_buses[i].bus_base.type;
|
|
if (bus_type == NULL || bus_type == &mp_type_NoneType) {
|
|
continue;
|
|
} else if (bus_type == &displayio_fourwire_type) {
|
|
common_hal_displayio_fourwire_deinit(&display_buses[i].fourwire_bus);
|
|
} else if (bus_type == &displayio_i2cdisplay_type) {
|
|
common_hal_displayio_i2cdisplay_deinit(&display_buses[i].i2cdisplay_bus);
|
|
#if CIRCUITPY_PARALLELDISPLAY
|
|
} else if (bus_type == ¶lleldisplay_parallelbus_type) {
|
|
common_hal_paralleldisplay_parallelbus_deinit(&display_buses[i].parallel_bus);
|
|
#endif
|
|
#if CIRCUITPY_RGBMATRIX
|
|
} else if (bus_type == &rgbmatrix_RGBMatrix_type) {
|
|
common_hal_rgbmatrix_rgbmatrix_deinit(&display_buses[i].rgbmatrix);
|
|
#endif
|
|
#if CIRCUITPY_IS31FL3741
|
|
} else if (bus_type == &is31fl3741_FrameBuffer_type) {
|
|
common_hal_is31fl3741_FrameBuffer_deinit(&display_buses[i].is31fl3741);
|
|
#endif
|
|
#if CIRCUITPY_SHARPDISPLAY
|
|
} else if (bus_type == &sharpdisplay_framebuffer_type) {
|
|
common_hal_sharpdisplay_framebuffer_deinit(&display_buses[i].sharpdisplay);
|
|
#endif
|
|
#if CIRCUITPY_VIDEOCORE
|
|
} else if (bus_type == &videocore_framebuffer_type) {
|
|
common_hal_videocore_framebuffer_deinit(&display_buses[i].videocore);
|
|
#endif
|
|
#if CIRCUITPY_PICODVI
|
|
} else if (bus_type == &picodvi_framebuffer_type) {
|
|
common_hal_picodvi_framebuffer_deinit(&display_buses[i].picodvi);
|
|
#endif
|
|
}
|
|
display_buses[i].bus_base.type = &mp_type_NoneType;
|
|
}
|
|
|
|
supervisor_stop_terminal();
|
|
}
|
|
|
|
void reset_displays(void) {
|
|
// The SPI buses used by FourWires may be allocated on the heap so we need to move them inline.
|
|
for (uint8_t i = 0; i < CIRCUITPY_DISPLAY_LIMIT; i++) {
|
|
mp_const_obj_t display_bus_type = display_buses[i].bus_base.type;
|
|
if (display_bus_type == &displayio_fourwire_type) {
|
|
displayio_fourwire_obj_t *fourwire = &display_buses[i].fourwire_bus;
|
|
if (((size_t)fourwire->bus) < ((size_t)&display_buses) ||
|
|
((size_t)fourwire->bus) > ((size_t)&display_buses + CIRCUITPY_DISPLAY_LIMIT * sizeof(primary_display_bus_t))) {
|
|
busio_spi_obj_t *original_spi = fourwire->bus;
|
|
#if CIRCUITPY_BOARD_SPI
|
|
// We don't need to move original_spi if it is a board.SPI object because it is
|
|
// statically allocated already. (Doing so would also make it impossible to reference in
|
|
// a subsequent VM run.)
|
|
if (common_hal_board_is_spi(original_spi)) {
|
|
continue;
|
|
}
|
|
#endif
|
|
#ifdef BOARD_USE_INTERNAL_SPI
|
|
if (original_spi == (mp_obj_t)(&supervisor_flash_spi_bus)) {
|
|
continue;
|
|
}
|
|
#endif
|
|
memcpy(&fourwire->inline_bus, original_spi, sizeof(busio_spi_obj_t));
|
|
fourwire->bus = &fourwire->inline_bus;
|
|
// Check for other display buses that use the same spi bus and swap them too.
|
|
for (uint8_t j = i + 1; j < CIRCUITPY_DISPLAY_LIMIT; j++) {
|
|
if (display_buses[j].fourwire_bus.base.type == &displayio_fourwire_type &&
|
|
display_buses[j].fourwire_bus.bus == original_spi) {
|
|
display_buses[j].fourwire_bus.bus = &fourwire->inline_bus;
|
|
}
|
|
}
|
|
}
|
|
} else if (display_bus_type == &displayio_i2cdisplay_type) {
|
|
displayio_i2cdisplay_obj_t *i2c = &display_buses[i].i2cdisplay_bus;
|
|
// Check to see if we need to inline the I2C bus.
|
|
if (((size_t)i2c->bus) < ((size_t)&display_buses) ||
|
|
((size_t)i2c->bus) > ((size_t)&display_buses + CIRCUITPY_DISPLAY_LIMIT * sizeof(primary_display_bus_t))) {
|
|
busio_i2c_obj_t *original_i2c = i2c->bus;
|
|
#if CIRCUITPY_BOARD_I2C
|
|
// We don't need to move original_i2c if it is a board.I2C object because it is
|
|
// statically allocated already. (Doing so would also make it impossible to reference in
|
|
// a subsequent VM run.)
|
|
if (common_hal_board_is_i2c(original_i2c)) {
|
|
continue;
|
|
}
|
|
#endif
|
|
memcpy(&i2c->inline_bus, original_i2c, sizeof(busio_i2c_obj_t));
|
|
i2c->bus = &i2c->inline_bus;
|
|
// Check for other displays that use the same i2c bus and swap them too.
|
|
for (uint8_t j = i + 1; j < CIRCUITPY_DISPLAY_LIMIT; j++) {
|
|
if (display_buses[j].i2cdisplay_bus.base.type == &displayio_i2cdisplay_type &&
|
|
display_buses[j].i2cdisplay_bus.bus == original_i2c) {
|
|
display_buses[j].i2cdisplay_bus.bus = &i2c->inline_bus;
|
|
}
|
|
}
|
|
}
|
|
#if CIRCUITPY_RGBMATRIX
|
|
} else if (display_bus_type == &rgbmatrix_RGBMatrix_type) {
|
|
rgbmatrix_rgbmatrix_obj_t *pm = &display_buses[i].rgbmatrix;
|
|
if (!any_display_uses_this_framebuffer(&pm->base)) {
|
|
common_hal_rgbmatrix_rgbmatrix_deinit(pm);
|
|
} else {
|
|
common_hal_rgbmatrix_rgbmatrix_set_paused(pm, true);
|
|
}
|
|
#endif
|
|
#if CIRCUITPY_IS31FL3741
|
|
} else if (display_bus_type == &is31fl3741_FrameBuffer_type) {
|
|
is31fl3741_FrameBuffer_obj_t *is31fb = &display_buses[i].is31fl3741;
|
|
|
|
if (((uint32_t)is31fb->is31fl3741->i2c) < ((uint32_t)&display_buses) ||
|
|
((uint32_t)is31fb->is31fl3741->i2c) > ((uint32_t)&display_buses + CIRCUITPY_DISPLAY_LIMIT)) {
|
|
#if CIRCUITPY_BOARD_I2C
|
|
// We don't need to move original_i2c if it is the board.I2C object because it is
|
|
// statically allocated already. (Doing so would also make it impossible to reference in
|
|
// a subsequent VM run.)
|
|
if (common_hal_board_is_i2c(is31fb->is31fl3741->i2c)) {
|
|
continue;
|
|
}
|
|
#endif
|
|
|
|
is31fl3741_IS31FL3741_obj_t *original_is31 = is31fb->is31fl3741;
|
|
memcpy(&is31fb->inline_is31fl3741, original_is31, sizeof(is31fl3741_IS31FL3741_obj_t));
|
|
is31fb->is31fl3741 = &is31fb->inline_is31fl3741;
|
|
|
|
busio_i2c_obj_t *original_i2c = is31fb->is31fl3741->i2c;
|
|
memcpy(&is31fb->is31fl3741->inline_i2c, original_i2c, sizeof(busio_i2c_obj_t));
|
|
is31fb->is31fl3741->i2c = &is31fb->is31fl3741->inline_i2c;
|
|
}
|
|
|
|
if (!any_display_uses_this_framebuffer(&is31fb->base)) {
|
|
common_hal_is31fl3741_FrameBuffer_deinit(is31fb);
|
|
} else {
|
|
common_hal_is31fl3741_FrameBuffer_set_paused(is31fb, true);
|
|
}
|
|
#endif
|
|
#if CIRCUITPY_SHARPDISPLAY
|
|
} else if (display_bus_type == &sharpdisplay_framebuffer_type) {
|
|
sharpdisplay_framebuffer_obj_t *sharp = &display_buses[i].sharpdisplay;
|
|
common_hal_sharpdisplay_framebuffer_reset(sharp);
|
|
#endif
|
|
#if CIRCUITPY_VIDEOCORE
|
|
} else if (display_bus_type == &videocore_framebuffer_type) {
|
|
videocore_framebuffer_obj_t *vc = &display_buses[i].videocore;
|
|
if (!any_display_uses_this_framebuffer(&vc->base)) {
|
|
common_hal_videocore_framebuffer_deinit(vc);
|
|
}
|
|
// The framebuffer is allocated outside of the heap so it doesn't
|
|
// need to be moved.
|
|
#endif
|
|
#if CIRCUITPY_PICODVI
|
|
} else if (display_bus_type == &picodvi_framebuffer_type) {
|
|
picodvi_framebuffer_obj_t *vc = &display_buses[i].picodvi;
|
|
if (!any_display_uses_this_framebuffer(&vc->base)) {
|
|
common_hal_picodvi_framebuffer_deinit(vc);
|
|
}
|
|
#endif
|
|
} else {
|
|
// Not an active display bus.
|
|
continue;
|
|
}
|
|
}
|
|
|
|
for (uint8_t i = 0; i < CIRCUITPY_DISPLAY_LIMIT; i++) {
|
|
// Reset the displayed group. Only the first will get the terminal but
|
|
// that's ok.
|
|
mp_const_obj_t display_type = displays[i].display_base.type;
|
|
if (display_type == &displayio_display_type) {
|
|
reset_display(&displays[i].display);
|
|
} else if (display_type == &displayio_epaperdisplay_type) {
|
|
displayio_epaperdisplay_obj_t *display = &displays[i].epaper_display;
|
|
common_hal_displayio_epaperdisplay_show(display, NULL);
|
|
#if CIRCUITPY_FRAMEBUFFERIO
|
|
} else if (display_type == &framebufferio_framebufferdisplay_type) {
|
|
framebufferio_framebufferdisplay_reset(&displays[i].framebuffer_display);
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
void displayio_gc_collect(void) {
|
|
for (uint8_t i = 0; i < CIRCUITPY_DISPLAY_LIMIT; i++) {
|
|
mp_const_obj_t display_bus_type = display_buses[i].bus_base.type;
|
|
if (display_bus_type == NULL || display_bus_type == &mp_type_NoneType) {
|
|
continue;
|
|
}
|
|
#if CIRCUITPY_RGBMATRIX
|
|
if (display_bus_type == &rgbmatrix_RGBMatrix_type) {
|
|
rgbmatrix_rgbmatrix_collect_ptrs(&display_buses[i].rgbmatrix);
|
|
}
|
|
#endif
|
|
#if CIRCUITPY_IS31FL3741
|
|
if (display_bus_type == &is31fl3741_FrameBuffer_type) {
|
|
is31fl3741_FrameBuffer_collect_ptrs(&display_buses[i].is31fl3741);
|
|
}
|
|
#endif
|
|
#if CIRCUITPY_SHARPDISPLAY
|
|
if (display_bus_type == &sharpdisplay_framebuffer_type) {
|
|
common_hal_sharpdisplay_framebuffer_collect_ptrs(&display_buses[i].sharpdisplay);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
for (uint8_t i = 0; i < CIRCUITPY_DISPLAY_LIMIT; i++) {
|
|
mp_const_obj_t display_type = displays[i].display_base.type;
|
|
if (display_type == NULL || display_type == &mp_type_NoneType) {
|
|
continue;
|
|
}
|
|
|
|
// 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 (display_type == &displayio_display_type) {
|
|
displayio_display_collect_ptrs(&displays[i].display);
|
|
#if CIRCUITPY_FRAMEBUFFERIO
|
|
} else if (display_type == &framebufferio_framebufferdisplay_type) {
|
|
framebufferio_framebufferdisplay_collect_ptrs(&displays[i].framebuffer_display);
|
|
#endif
|
|
} else if (display_type == &displayio_epaperdisplay_type) {
|
|
displayio_epaperdisplay_collect_ptrs(&displays[i].epaper_display);
|
|
}
|
|
}
|
|
}
|
|
|
|
primary_display_t *allocate_display(void) {
|
|
for (uint8_t i = 0; i < CIRCUITPY_DISPLAY_LIMIT; i++) {
|
|
mp_const_obj_t display_type = displays[i].display.base.type;
|
|
if (display_type == NULL || display_type == &mp_type_NoneType) {
|
|
// Clear this memory so it is in a known state before init.
|
|
memset(&displays[i], 0, sizeof(displays[i]));
|
|
// Default to None so that it works as board.DISPLAY.
|
|
displays[i].display_base.type = &mp_type_NoneType;
|
|
return &displays[i];
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
primary_display_t *allocate_display_or_raise(void) {
|
|
primary_display_t *result = allocate_display();
|
|
if (result) {
|
|
return result;
|
|
}
|
|
mp_raise_RuntimeError(translate("Too many displays"));
|
|
}
|
|
|
|
primary_display_bus_t *allocate_display_bus(void) {
|
|
for (uint8_t i = 0; i < CIRCUITPY_DISPLAY_LIMIT; i++) {
|
|
mp_const_obj_t display_bus_type = display_buses[i].bus_base.type;
|
|
if (display_bus_type == NULL || display_bus_type == &mp_type_NoneType) {
|
|
// Clear this memory so it is in a known state before init.
|
|
memset(&display_buses[i], 0, sizeof(display_buses[i]));
|
|
display_buses[i].bus_base.type = &mp_type_NoneType;
|
|
return &display_buses[i];
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
primary_display_bus_t *allocate_display_bus_or_raise(void) {
|
|
primary_display_bus_t *result = allocate_display_bus();
|
|
if (result) {
|
|
return result;
|
|
}
|
|
mp_raise_RuntimeError(translate("Too many display busses; forgot displayio.release_displays() ?"));
|
|
}
|