38 lines
575 B
C
38 lines
575 B
C
#include <Arduino.h>
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enum {
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MODE_INPUT,
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MODE_OUTPUT
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} dataMode = NULL;
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#define OE 3
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// PGM is also WE# according to data sheet
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#define PGM 2
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// 18 pin address line
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#define Addr0 22
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#define Addr18 40
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// 8 pin data line
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#define Data0 44
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#define Data7 51
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void setCtrlPins();
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void setAddrPinsOut();
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void setDataPinsOut();
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void setDataPinsIn();
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void setByte(byte out);
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void setAddress(unsigned long addr);
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byte readByte();
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byte readData(unsigned long address);
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void writeByte(byte data, unsigned long address);
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void programData(byte data, unsigned long address); |