Graphical demo for the LPC4088 Experiment Base Board with one of the Display Expansion Kits. This program decodes decodes and shows two png images.
EaLcdBoardGPIO.h
00001 /* 00002 * Copyright 2013 Embedded Artists AB 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00017 #ifndef EALCDBOARDGPIO_H 00018 #define EALCDBOARDGPIO_H 00019 00020 #include "EaLcdBoard.h" 00021 00022 /** An interface to Embedded Artists LCD Boards 00023 * 00024 */ 00025 class EaLcdBoardGPIO : public EaLcdBoard { 00026 public: 00027 00028 EaLcdBoardGPIO(PinName sda, PinName scl); 00029 00030 void setBC(uint32_t val) { setBacklightContrast(val); }; 00031 00032 protected: 00033 virtual void setWriteProtect(bool enable); 00034 virtual void set3V3Signal(bool enabled); 00035 virtual void set5VSignal(bool enabled); 00036 virtual void setDisplayEnableSignal(bool enabled); 00037 virtual void setBacklightContrast(uint32_t value); 00038 00039 private: 00040 //DigitalOut pinWP; 00041 DigitalOut pin3v3; 00042 DigitalOut pin5v; 00043 DigitalOut pinDE; 00044 //DigitalOut pinContrast; 00045 PwmOut pinContrast; 00046 }; 00047 00048 #endif 00049 00050
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