mirror of
https://github.com/wpilibsuite/allwpilib
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55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
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/*----------------------------------------------------------------------------*/
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/* Copyright (c) FIRST 2008. All Rights Reserved. */
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/* Open Source Software - may be modified and shared by FRC teams. The code */
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/* must be accompanied by the FIRST BSD license file in $(WIND_BASE)/WPILib. */
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/*----------------------------------------------------------------------------*/
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#ifndef __DRIVER_STATION_LCD_H__
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#define __DRIVER_STATION_LCD_H__
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#include "SensorBase.h"
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#include "HAL/Semaphore.h"
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#include <stdarg.h>
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/**
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* Provide access to "LCD" on the Driver Station.
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* This is the Messages box on the DS Operation tab.
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*
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* Buffer the printed data locally and then send it
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* when UpdateLCD is called.
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*/
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class DriverStationLCD : public SensorBase
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{
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public:
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static const uint32_t kSyncTimeout_ms = 20;
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static const uint16_t kFullDisplayTextCommand = 0x9FFF;
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static const int32_t kLineLength = 21;
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static const int32_t kNumLines = 6;
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enum Line {kMain_Line6=0, kUser_Line1=0, kUser_Line2=1, kUser_Line3=2, kUser_Line4=3, kUser_Line5=4, kUser_Line6=5};
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virtual ~DriverStationLCD();
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static DriverStationLCD *GetInstance();
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void UpdateLCD();
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void Printf(Line line, int32_t startingColumn, const char *writeFmt, ...);
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void VPrintf(Line line, int32_t startingColumn, const char *writeFmt, va_list args);
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void PrintfLine(Line line, const char *writeFmt, ...);
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void VPrintfLine(Line line, const char *writeFmt, va_list args);
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void Clear();
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protected:
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DriverStationLCD();
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private:
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static void InitTask(DriverStationLCD *ds);
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static DriverStationLCD *m_instance;
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DISALLOW_COPY_AND_ASSIGN(DriverStationLCD);
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char *m_textBuffer;
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MUTEX_ID m_textBufferSemaphore;
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};
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#endif
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