Rework displays in prep for dynamic support and 8bit parallel.

1 files changed, 55 insertions, 0 deletions

diff --git a/shared-module/displayio/Display.h b/shared-module/displayio/Display.h
new file mode 100644
index 000000000..1f1355d31
--- /dev/null
+++ b/shared-module/displayio/Display.h
@@ -0,0 +1,55 @@
+/*
+ * 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_H
+#define MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_DISPLAY_H
+
+#include "shared-module/displayio/Group.h"
+
+typedef bool (*display_bus_begin_transaction)(mp_obj_t bus);
+typedef void (*display_bus_send)(mp_obj_t bus, bool command, uint8_t *data, uint32_t data_length);
+typedef void (*display_bus_end_transaction)(mp_obj_t bus);
+
+typedef struct {
+    mp_obj_base_t base;
+    mp_obj_t bus;
+    uint16_t width;
+    uint16_t height;
+    uint16_t color_depth;
+    uint8_t set_column_command;
+    uint8_t set_row_command;
+    uint8_t write_ram_command;
+    displayio_group_t *current_group;
+    bool refresh;
+    uint64_t last_refresh;
+    int16_t colstart;
+    int16_t rowstart;
+    display_bus_begin_transaction begin_transaction;
+    display_bus_send send;
+    display_bus_end_transaction end_transaction;
+} displayio_display_obj_t;
+
+#endif // MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_DISPLAY_H