forked from Mirror/GodMode9
39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
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#include "ndscard.h"
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//---------------------------------------------------------------------------------
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static inline void eepromWaitBusy() {
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//---------------------------------------------------------------------------------
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while (REG_AUXSPICNT & CARD_SPI_BUSY);
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}
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// Reads from the EEPROM
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void cardReadEeprom(u32 address, u8 *data, u32 length, u32 addrtype);
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// Writes to the EEPROM. TYPE 3 EEPROM must be erased first (I think?)
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void cardWriteEeprom(u32 address, u8 *data, u32 length, u32 addrtype);
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// Returns the ID of the EEPROM chip? Doesn't work well, most chips give ff,ff
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// i = 0 or 1
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u32 cardEepromReadID();
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// Sends a command to the EEPROM
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u8 cardEepromCommand(u8 command);
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/*
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* -1:no card or no EEPROM
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* 0:unknown PassMe?
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* 1:TYPE 1 4Kbit(512Byte) EEPROM
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* 2:TYPE 2 64Kbit(8KByte)or 512kbit(64Kbyte) EEPROM
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* 3:TYPE 3 2Mbit(256KByte) FLASH MEMORY (some rare 4Mbit and 8Mbit chips also)
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*/
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int cardEepromGetType(void);
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// Returns the size in bytes of EEPROM
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u32 cardEepromGetSize();
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// Erases the entire chip. TYPE 3 chips MUST be erased before writing to them. (I think?)
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void cardEepromChipErase(void);
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// Erases a single sector of the TYPE 3 chip
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void cardEepromSectorErase(u32 address);
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