flipdot/flipcontrol_esp32/include/flipdot.h

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#ifndef FLIPDOT_H
#define FLIPDOT_H
#include <Arduino.h>
#define CHECK_BIT(var,pos) ((var) & (1<<(pos)))
/*
D7 - Ser (data)
D5 - clock
D1 - _OE
D2 - latch
D3 - _clear
*/
//Pins connected to Shift registers on own controller board
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#define PIN_SR_DATA 13
#define PIN_SR_CLK 14
#define PIN_SR_OE 27 //active low
#define PIN_SR_LATCH 26
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//Pins connected to stuff on annax driver board
#define PIN_DATA_DRVBRD 33
#define PIN_CLK_DRVBRD 32
#define PIN_RESET_DRVBRD 15
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//#define PIN_CLEAR 25 //active low
#define PIN_DRIVE 25 //enables 12v to panels via transistor
#define PIN_CLEAR 12 //connects CLEAR Pin from Annax board to GND (clears column)
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#define COLUMNBYTES 19 //4 columns per byte. one panel has 25 columns. (int)((numpanels*25)/4+1)
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//### Timings ###
#define MICROS_DRIVEDOTSET 1500 //time dot will be powered for flipping to bright side. in microseconds. 700 sometimes flips too late
#define MICROS_DRIVEDOTCLEAR 20000 //time dot will be powered for flipping to black. in microseconds. always flips at least a whole column. 10000 is too short
#define MICROS_SHIFTDELAY 50/2 //shift register clock (100/2 = 1/(100/1000000) Hz) .at 25/2 nothing is flipping!
#define MICROS_SHIFT_LATCH 100 //latch high time for 595 (row drivers)
class Flipdot
{
private:
bool HBridgeOK();
void resetColumns();
void shiftOutSlow(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder, uint8_t val);
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uint16_t row; //controls shift registers on own controller pcb
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uint8_t col[COLUMNBYTES]; //column drivers and shift registers on annax pcb
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public:
Flipdot();
void init();
bool clearSelectedColumn();
bool setSelectedDot();
void selectColumnClear(uint8_t selcolumn);
void selectColumnSet(uint8_t selcolumn);
void selectColumn(uint8_t selcolumn, bool clear);
void setRow(uint16_t _row);
uint16_t getRow();
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void shiftDataRow();
void shiftDataColumn();
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};
#endif