Diff: Display/BiosDisplay.h

Revision:

22:1a58a518435c

Child:

23:6afd6a716e80

diff -r 1e6bc4aca5b7 -r 1a58a518435c Display/BiosDisplay.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Display/BiosDisplay.h	Fri Jan 16 11:13:39 2015 +0100
@@ -0,0 +1,95 @@
+/*
+ *  Copyright 2014 Embedded Artists AB
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef BIOSDISPLAY_H
+#define BIOSDISPLAY_H
+
+#include "mbed.h"
+#include "TouchPanel.h"
+#include "Display.h"
+#include "bios.h"
+
+/**
+ * Glue between the BIOS and the Display interface.
+ */
+class BiosDisplay : public Display {
+public:
+    
+    /** Get the only instance of the BiosDisplay
+     *
+     *  @returns The display
+     */
+    static BiosDisplay& instance()
+    {
+        static BiosDisplay singleton;
+        return singleton;
+    }
+  
+
+    /** Initializes the display but does not turn it on
+     *
+     *  @returns
+     *       Ok on success
+     *       An error code on failure
+     */
+    DisplayError init();
+  
+    // From the Display interface
+    virtual DisplayError powerUp(void* framebuffer, Resolution wanted = Resolution_16bit_rgb565);
+    virtual DisplayError powerDown();
+    virtual DisplayError backlight(int percent);
+    virtual uint16_t width();
+    virtual uint16_t height();
+    virtual uint16_t bytesPerPixel();
+    virtual uint32_t fbSize();
+    virtual bool landscape();
+    virtual bool isSupported(Resolution res);
+    virtual Resolution currentResolution();
+    virtual void setFramebuffer(void* buff);
+    virtual void* swapFramebuffer(void* buff);
+    virtual void* allocateFramebuffer(Resolution res=Resolution_16bit_rgb565);
+
+private:
+
+    bool _initialized;
+    bool _poweredOn;
+    //bool _initializedTouch;
+    //InterruptIn _touchIRQ;
+    //FunctionPointer _touchFP;
+
+    bios_header_t* _bios;
+    void* _biosData;
+
+    uint16_t _width;
+    uint16_t _height;
+    uint16_t _bpp;
+    uint16_t _supportedRes;
+    Resolution_t _activeRes;
+    bool _landscape;
+    //bool _supportsTouch;
+    //bool _supportsTouchCalibration;
+    //uint8_t _touchNumFingers;
+    //bool _touchIsResistive;
+
+    explicit BiosDisplay();
+    // hide copy constructor
+    BiosDisplay(const BiosDisplay&);
+    // hide assign operator
+    BiosDisplay& operator=(const BiosDisplay&);
+    ~BiosDisplay();
+};
+
+#endif /* BIOSDISPLAY_H */