85 lines
1.7 KiB
C++
85 lines
1.7 KiB
C++
#ifndef MEMORY_H
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#define MEMORY_H
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#include "EEPROM.h"
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// #include "Arduino.h"
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#include "hardwareSerial.h"
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struct DataChunk {
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const int offset;
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const int width;
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};
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class MemoryClass {
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public:
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void begin(const int size);
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void dump();
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const byte readByte(const int address);
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void readString(struct DataChunk chunk, char* dest);
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void writeString(struct DataChunk chunk, const char* string);
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void clearAll();
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private:
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int size;
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};
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void MemoryClass::begin(const int size) {
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this->size = size;
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if (!EEPROM.begin( size )) {
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Serial.println("failed to initialise EEPROM!");
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} else {
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Serial.printf("EEPROM Size: %d\n", size);
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}
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this->dump();
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}
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void MemoryClass::dump() {
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int i = 0;
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while(i < this->size) {
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if(i != 0 && i % 32 == 0) Serial.println("");
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char c = (char)EEPROM.read(i);
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if(c < 0x20 || c == 127 || c == 255) {
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Serial.print('.');
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} else {
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Serial.print(c);
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}
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i ++;
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}
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Serial.println("");
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}
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const byte MemoryClass::readByte(const int address) {
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return EEPROM.read(address);
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}
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void MemoryClass::readString(struct DataChunk chunk, char* dest) {
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char data[32];
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int idx = 0;
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while(idx < chunk.width) {
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data[idx] = (char)EEPROM.read(chunk.offset + idx);
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idx ++;
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}
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strcpy(dest, data);
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}
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void MemoryClass::writeString(struct DataChunk chunk, const char* string) {
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if(strlen(string) > chunk.width - 1) {
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return; // TODO make this error out!
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}
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int cell = chunk.offset;
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for(int i = 0; i < strlen(string); i ++) {
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EEPROM.write(cell, string[i]);
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cell ++;
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}
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EEPROM.write(cell, 0);
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EEPROM.commit();
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}
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void MemoryClass::clearAll() {
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}
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MemoryClass Memory;
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#endif |