Diff: inc/drivers/MicroBitMatrixMaps.h

Revision:

1:8aa5cdb4ab67

Child:

71:2f5caf7dd454

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/inc/drivers/MicroBitMatrixMaps.h	Thu Apr 07 01:33:22 2016 +0100
@@ -0,0 +1,157 @@
+/*
+The MIT License (MIT)
+
+Copyright (c) 2016 British Broadcasting Corporation.
+This software is provided by Lancaster University by arrangement with the BBC.
+
+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.
+*/
+
+/**
+  * Definition of the LED Matrix maps supported.
+  * Each map represents the layou of a different device.
+  *
+  * Ensure only one of these is selected.
+  */
+
+#ifndef MICROBIT_MATRIX_MAPS_H
+#define MICROBIT_MATRIX_MAPS_H
+
+#include "MicroBitConfig.h"
+#include "mbed.h"
+
+#define NO_CONN 0
+
+/**
+  * Provides the mapping from Matrix ROW/COL to a linear X/Y buffer.
+  * It's arranged such that matrixMap[col, row] provides the [x,y] screen co-ord.
+  */
+
+struct MatrixPoint
+{
+    uint8_t x;
+    uint8_t y;
+};
+
+/**
+  * This struct presumes rows and columns are arranged contiguously...
+  */
+struct MatrixMap
+{
+    int         width;                      // The physical width of the LED matrix, in pixels.
+    int         height;                     // The physical height of the LED matrix, in pixels.
+    int         rows;                       // The number of drive pins connected to LEDs.
+    int         columns;                    // The number of sink pins connected to the LEDs.
+
+    PinName     rowStart;                   // ID of the first drive pin.
+    PinName     columnStart;                // ID of the first sink pink.
+
+    const MatrixPoint *map;                 // Table mapping logical LED positions to physical positions.
+};
+
+/*
+ * Dimensions for well known micro:bit LED configurations
+ */
+#define MICROBIT_DISPLAY_WIDTH                  5
+#define MICROBIT_DISPLAY_HEIGHT                 5
+
+#if MICROBIT_DISPLAY_TYPE == MICROBUG_REFERENCE_DEVICE
+
+#define MICROBIT_DISPLAY_COLUMN_COUNT           5
+#define MICROBIT_DISPLAY_ROW_COUNT              5
+
+    const MatrixPoint microbitDisplayMap[MICROBIT_DISPLAY_ROW_COUNT * MICROBIT_DISPLAY_COLUMN_COUNT] =
+    {
+        {0,0},{0,1},{0,2},{0,3},{0,4},
+        {1,0},{1,1},{1,2},{1,3},{1,4},
+        {2,0},{2,1},{2,2},{2,3},{2,4},
+        {3,0},{3,1},{3,2},{3,3},{3,4},
+        {4,0},{4,1},{4,2},{4,3},{4,4}
+    };
+
+#endif
+
+#if MICROBIT_DISPLAY_TYPE == MICROBIT_3X9
+
+#define MICROBIT_DISPLAY_COLUMN_COUNT       9
+#define MICROBIT_DISPLAY_ROW_COUNT          3
+
+    const MatrixPoint microbitDisplayMap[MICROBIT_DISPLAY_ROW_COUNT * MICROBIT_DISPLAY_COLUMN_COUNT] =
+    {
+        {0,4},{0,3},{1,1},
+        {1,4},{4,2},{0,1},
+        {2,4},{3,2},{4,0},
+        {3,4},{2,2},{3,0},
+        {4,4},{1,2},{2,0},
+        {4,3},{0,2},{1,0},
+        {3,3},{4,1},{0,0},
+        {2,3},{3,1},{NO_CONN,NO_CONN},
+        {1,3},{2,1},{NO_CONN,NO_CONN}
+    };
+
+#endif
+
+#if MICROBIT_DISPLAY_TYPE == MICROBIT_SB1
+
+#define MICROBIT_DISPLAY_COLUMN_COUNT       3
+#define MICROBIT_DISPLAY_ROW_COUNT          9
+
+    const MatrixPoint microbitDisplayMap[MICROBIT_DISPLAY_ROW_COUNT * MICROBIT_DISPLAY_COLUMN_COUNT] =
+    {
+        {0,4},{1,4},{2,4},{3,4},{4,4},{4,3},{3,3},{2,3},{1,3},
+        {0,3},{4,2},{3,2},{2,2},{1,2},{0,2},{4,1},{3,1},{2,1},
+        {1,1},{0,1},{4,0},{3,0},{2,0},{1,0},{0,0},{NO_CONN,NO_CONN},{NO_CONN,NO_CONN}
+    };
+
+#endif
+
+#if MICROBIT_DISPLAY_TYPE == MICROBIT_SB2
+
+#define MICROBIT_DISPLAY_COLUMN_COUNT       9
+#define MICROBIT_DISPLAY_ROW_COUNT          3
+
+    const MatrixPoint microbitDisplayMap[MICROBIT_DISPLAY_ROW_COUNT * MICROBIT_DISPLAY_COLUMN_COUNT] =
+    {
+        {0,0},{4,2},{2,4},
+        {2,0},{0,2},{4,4},
+        {4,0},{2,2},{0,4},
+        {4,3},{1,0},{0,1},
+        {3,3},{3,0},{1,1},
+        {2,3},{3,4},{2,1},
+        {1,3},{1,4},{3,1},
+        {0,3},{NO_CONN,NO_CONN},{4,1},
+        {1,2},{NO_CONN,NO_CONN},{3,2}
+    };
+
+#endif
+
+//ROW1 and COL1 are defined in mbed classic:
+//https://github.com/mbedmicro/mbed/blob/master/libraries/mbed/targets/hal/TARGET_NORDIC/TARGET_MCU_NRF51822/TARGET_NRF51_MICROBIT/PinNames.h
+const MatrixMap microbitMatrixMap =
+{
+    MICROBIT_DISPLAY_WIDTH,
+    MICROBIT_DISPLAY_HEIGHT,
+    MICROBIT_DISPLAY_ROW_COUNT,
+    MICROBIT_DISPLAY_COLUMN_COUNT,
+    ROW1,
+    COL1,
+    microbitDisplayMap
+};
+
+#endif