spk_tvone_mbed.h

00001 // *spark audio-visual
00002 // RS232 Control for TV-One products
00003 // Good for 1T-C2-750, others will need some extra work
00004 
00005 /* Copyright (c) 2011 Toby Harris, MIT License
00006  *
00007  * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
00008  * and associated documentation files (the "Software"), to deal in the Software without restriction, 
00009  * including without limitation the rights to use, copy, modify, merge, publish, distribute, 
00010  * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is 
00011  * furnished to do so, subject to the following conditions:
00012  *
00013  * The above copyright notice and this permission notice shall be included in all copies or 
00014  * substantial portions of the Software.
00015  *
00016  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 
00017  * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
00018  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
00019  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
00020  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00021  */
00022 
00023 #ifndef SPKTVOne_mBed_h
00024 #define SPKTVOne_mBed_h
00025 
00026 #include "spk_tvone.h"
00027 #include "mbed.h"
00028 
00029 class SPKTVOne
00030 {
00031   public:
00032     SPKTVOne(PinName txPin, PinName rxPin, PinName signWritePin = NC, PinName signErrorPin = NC, Serial *debugSerial = NULL);
00033     
00034     enum commandType {writeCommandType = 0, readCommandType = 1};
00035     static const int standardAckLength = 20;
00036     
00037     bool command(uint8_t channel, uint8_t window, int32_t func, int32_t payload);
00038     bool readCommand(uint8_t channel, uint8_t window, int32_t func, int32_t &payload);
00039     
00040     struct processorType {int version; int productType; int boardType;};
00041     processorType getProcessorType();
00042     
00043     int  getResolution(int device = 0);
00044     int  getEDID();
00045     bool setResolution(int resolution, int edidSlot);
00046     bool setHDCPOn(bool state);
00047     
00048     enum aspectType { aspectFit = 1, aspectHFill = 2, aspectVFill = 3, aspect1to1 = 4, aspectSPKFill }; 
00049     aspectType getAspect();
00050     bool setAspect(aspectType aspect);
00051 
00052     bool uploadEDID(FILE* file, int edidSlotIndex);
00053     bool uploadImage(FILE* file, int sisIndex);
00054     bool setMatroxResolutions(bool digitalEdition = true);
00055     
00056     void setCommandTimeoutPeriod(int millis);
00057     int  getCommandTimeoutPeriod();
00058     void setCommandMinimumPeriod(int millis);
00059     void increaseCommandPeriods(int millis);
00060     void resetCommandPeriods();
00061 
00062     int  millisSinceLastCommandSent();
00063      
00064   private:
00065     struct processorType processor;
00066     
00067     bool command(commandType readWrite, int* ackBuffer, int ackLength, uint8_t channel, uint8_t window, int32_t func, int32_t payload);
00068     bool uploadFile(char command, FILE* file, int dataLength, int index);
00069     
00070     bool getResolutionParams(int resStoreNumber, int &horizpx, int &vertpx);
00071     
00072     bool set1920x480(int resStoreNumber);
00073     bool set1600x600(int resStoreNumber);
00074     bool set2048x768(int resStoreNumber, bool digitalEdition);
00075     
00076     Serial *serial;
00077     Serial *debug; 
00078     
00079     int commandTimeoutPeriod;
00080     int commandMinimumPeriod;
00081     
00082     Timer timer;
00083     Ticker timerCheckTicker;
00084     void timerCheck();
00085     
00086     DigitalOut *writeDO;
00087     DigitalOut *errorDO;
00088     Timeout signErrorTimeout;
00089     void signErrorOff();
00090 };
00091 
00092 #endif