sharpmemory: Implement support for Sharp Memory Displays in framebufferio

1 files changed, 60 insertions, 0 deletions

diff --git a/shared-module/sharpdisplay/SharpMemoryFramebuffer.h b/shared-module/sharpdisplay/SharpMemoryFramebuffer.h
new file mode 100644
index 000000000..8acacc94e
--- /dev/null
+++ b/shared-module/sharpdisplay/SharpMemoryFramebuffer.h
@@ -0,0 +1,60 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Jeff Epler 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.
+ */
+
+#pragma once
+
+#include "py/obj.h"
+#include "shared-bindings/busio/SPI.h"
+#include "shared-bindings/digitalio/DigitalInOut.h"
+#include "shared-module/framebufferio/FramebufferDisplay.h"
+
+typedef struct {
+    mp_obj_base_t base;
+    mp_obj_t framebuffer;
+    busio_spi_obj_t* bus;
+    busio_spi_obj_t inline_bus;
+    digitalio_digitalinout_obj_t chip_select;
+    mp_buffer_info_t bufinfo;
+
+    uint16_t width, height;
+    uint32_t baudrate;
+
+    bool full_refresh:1;
+} sharpdisplay_framebuffer_obj_t;
+
+void common_hal_sharpdisplay_framebuffer_construct(sharpdisplay_framebuffer_obj_t *self, busio_spi_obj_t *spi, mcu_pin_obj_t *chip_select, int baudrate, int width, int height);
+void common_hal_sharpdisplay_framebuffer_swap_buffers(sharpdisplay_framebuffer_obj_t *self, uint8_t *dirty_row_bitmask);
+void common_hal_sharpdisplay_framebuffer_deinit(sharpdisplay_framebuffer_obj_t *self);
+void common_hal_sharpdisplay_framebuffer_get_bufinfo(sharpdisplay_framebuffer_obj_t *self, mp_buffer_info_t *bufinfo);
+int common_hal_sharpdisplay_framebuffer_get_height(sharpdisplay_framebuffer_obj_t *self);
+int common_hal_sharpdisplay_framebuffer_get_width(sharpdisplay_framebuffer_obj_t *self);
+void common_hal_sharpdisplay_framebuffer_swap_buffers(sharpdisplay_framebuffer_obj_t *self, uint8_t *dirty_row_bitmask);
+void common_hal_sharpdisplay_framebuffer_reset(sharpdisplay_framebuffer_obj_t *self);
+void common_hal_sharpdisplay_framebuffer_reconstruct(sharpdisplay_framebuffer_obj_t *self);
+
+extern const framebuffer_p_t sharpdisplay_framebuffer_proto;
+
+void common_hal_sharpdisplay_framebuffer_collect_ptrs(sharpdisplay_framebuffer_obj_t*);