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  1. #ifndef CHN_CHNMASTER_EEPROM
  2. #define CHN_CHNMASTER_EEPROM
  3.  
  4. #include "chn_ChnMaster.h"
  5. // Do not change anything below this line.
  6. // ----------------------------------------------------------------
  7.  
  8.     #include <drivers/misc/eeprom_crc8.h>
  9.     #include <avr/eeprom.h>
  10.     #define EEDATA          (uint8_t*)&eeprom_chn_ChnMaster.Data
  11.     #define EEDATA16        (uint16_t*)&eeprom_chn_ChnMaster.Data
  12.     #define EEDATA_CALC_CRC     eeprom_crc8((uint8_t*)&eeprom_chn_ChnMaster.Data,sizeof(struct chn_ChnMaster_Data))
  13.     #define EEDATA_UPDATE_CRC   eeprom_write_byte((uint8_t*)&eeprom_chn_ChnMaster.crc,eeprom_crc8((uint8_t*)&eeprom_chn_ChnMaster.Data,sizeof(struct chn_ChnMaster_Data)))
  14.     #define EEDATA_OK       EEDATA_CALC_CRC == EEDATA_STORED_CRC
  15.     #define EEDATA_STORED_CRC   eeprom_read_byte((uint8_t*)&eeprom_chn_ChnMaster.crc)
  16.    
  17.     struct eeprom_chn_ChnMaster{
  18.         struct chn_ChnMaster_Data Data;
  19.         uint8_t crc;
  20.     };
  21.     extern struct eeprom_chn_ChnMaster EEMEM eeprom_chn_ChnMaster;
  22.    
  23.     #define WITH_CRC    1
  24.     #define WITHOUT_CRC 0
  25.     static __inline__ void eeprom_write_byte_crc(uint8_t *__p, uint8_t __value, uint8_t crc) {
  26.       if (__value != eeprom_read_byte(__p))
  27.       {
  28.         eeprom_write_byte(__p, __value);
  29.         if (crc == WITH_CRC)
  30.         {
  31.           EEDATA_UPDATE_CRC;
  32.         }
  33.       }
  34.     }
  35.     static __inline__ void eeprom_write_word_crc(uint16_t *__p, uint16_t __value, uint8_t crc) {
  36.       if (__value != eeprom_read_word(__p))
  37.       {
  38.         eeprom_write_word(__p, __value);
  39.         if (crc == WITH_CRC)
  40.         {
  41.           EEDATA_UPDATE_CRC;
  42.         }
  43.       }
  44.     }
  45. #endif