kopia lustrzana https://github.com/pjalocha/esp32-ogn-tracker
51 wiersze
2.0 KiB
C++
51 wiersze
2.0 KiB
C++
#include <stdint.h>
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#include "st7789.h"
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class LCD_BattSymb
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{ public:
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static const uint8_t Width = 24;
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static const uint8_t Border = 2;
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static const uint8_t Cells = 5;
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static const uint8_t CellWidth = Width-Border*4;
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static const uint8_t CellLength = CellWidth*3/4;
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static const uint8_t Length = (CellLength+Border)*Cells+Border*3;
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static const uint8_t TipLen = Border*2;
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int16_t Xpos, Ypos;
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int16_t FrameCol, CellCol, FillCol;
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uint8_t CellMap; // which cells are to be displayed
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uint8_t Flags; // which cells and other elements are displayed
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public:
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LCD_BattSymb() { CellMap=0; Xpos=0; Ypos=0; FillCol=RGB565_LIGHTGREY; CellCol=RGB565_DARKGREEN; FrameCol=RGB565_BLACK; Flags=0; }
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void setLevel(uint8_t Level)
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{ CellMap=0; uint8_t Mask=1;
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if(Level>Cells) Level=Cells;
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for(uint8_t Cell=0; Cell<Level; Cell++)
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{ CellMap|=Mask; Mask<<=1; } // set cells to be displayed after the battery level
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}
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void Draw(void)
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{ LCD_DrawBox(Xpos, Ypos, Length, Width, FrameCol); // frame box
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LCD_DrawBox(Xpos+Length, Ypos+Width/4, TipLen, Width/2, FrameCol); // tip
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LCD_DrawBox(Xpos+Border, Ypos+Border, Length-Border*2, Width-Border*2, FillCol); // inner space
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uint8_t Mask=1;
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for(uint8_t Cell=0; Cell<Cells; Cell++)
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{ if(CellMap&Mask)
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{ uint16_t Xofs=Border*2+(CellLength+Border)*Cell;
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LCD_DrawBox(Xpos+Xofs, Ypos+Border*2, CellLength, CellWidth, CellCol); }
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Mask<<=1; }
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Flags = 0x80 | CellMap; }
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void Update(void)
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{ uint8_t Mask=1;
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for(uint8_t Cell=0; Cell<Cells; Cell++)
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{ if((CellMap^Flags)&Mask)
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{ uint16_t Xofs=Border*2+(CellLength+Border)*Cell;
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LCD_DrawBox(Xpos+Xofs, Ypos+Border*2, CellLength, CellWidth, CellMap&Mask ? CellCol:FillCol); } // display or erase a cell
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Mask<<=1; }
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Flags = 0x80 | CellMap; }
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} ;
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