forked from Apple-2-HW/TommyPROM
49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
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#ifndef INCLUDE_PROM_DEVICE_H
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#define INCLUDE_PROM_DEVICE_H
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#include "Arduino.h"
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/*****************************************************************************/
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/*****************************************************************************/
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/**
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* PromDevice class
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*
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* Provides the interface to read and write data from a parallel PROM using the
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* Arduino.
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*
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* Block writes are supported on compatible devices by specifying a blockSize
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* in the constructor. Use zero for devices that only support byte writes.
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*/
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class PromDevice
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{
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public:
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PromDevice(unsigned long size, word blockSize, unsigned maxWriteTime, bool polling);
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bool writeData(byte data[], word len, word address);
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byte readData(word address) { return readByte(address); }
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virtual void begin() = 0;
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virtual const char * getName() = 0;
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virtual void disableSoftwareWriteProtect() {}
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virtual void enableSoftwareWriteProtect() {}
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//protected:
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unsigned int mSize; // Size of the device, in bytes
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unsigned int mBlockSize; // Block size for page writes, zero if N/A
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unsigned int mMaxWriteTime; // Max time (in ms) to wait for write cycle to complete
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bool mSupportsDataPoll; // End of write detected by data polling
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void setDataBusMode(uint8_t mode);
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byte readDataBus();
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void writeDataBus(byte data);
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virtual void setAddress(word address) = 0;
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virtual byte readByte(word address) = 0;
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virtual bool burnByte(byte value, word address) = 0;
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virtual bool burnBlock(byte data[], word len, word address) { return false; }
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};
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#endif // #define INCLUDE_PROM_DEVICE_H
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