34 lines
571 B
C++
34 lines
571 B
C++
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#include <avr/pgmspace.h>
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#include "midi_data.hpp"
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#include "eeprom.hpp"
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static int address = 0;
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void eeprom::jump(int loc) {
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address = loc;
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}
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inline size_t proc_len(size_t len) {
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if(address + len >= sizeof(MIDI)) {
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return sizeof(MIDI) - address;
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} else {
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return len;
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}
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}
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void eeprom::read(void* data, size_t len) {
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char* bytes = (char*)data;
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len = proc_len(len);
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memcpy_P(data, &MIDI[address], len);
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address += len;
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}
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void eeprom::write(const void* data, size_t len) {
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const char* bytes = (const char*)data;
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len = proc_len(len);
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address += len;
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}
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