41 lines
804 B
C
Executable File
41 lines
804 B
C
Executable File
#include <hwo/eeprom.h>
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#include <avr/eeprom.h>
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#include <sys/errno.h>
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extern struct avr_eeprom_desc __ee_desc;
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MUTEX eepromMutex;
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uint16_t eeprom_load(uint8_t bank,avrEEPROM *data)
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{
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MUTEXED( &eepromMutex );
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avrChksum chk,eechk;
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if (bank < __ee_desc.num_banks)
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{
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eeprom_read_block(data, (void*)(0x20 * bank), 32);
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eeprom_read_block(&eechk, (void*)(__ee_desc.base_chksums + (bank<<1)), 0x02);
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chksum(&chk,data,32);
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if (chk.combined == eechk.combined)
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return ESUCCESS;
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bank += __ee_desc.num_banks;
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eeprom_read_block(data, (void*)(0x20 * bank), 32);
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eeprom_read_block(&eechk, (void*)(__ee_desc.base_chksums + (bank<<1)), 0x02);
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chksum(&chk,data,32);
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if (chk.combined == eechk.combined){
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return ESUCCESS;
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} else {
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return -ECRC;
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};
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};
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return -ENOFILE;
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};
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