EEPROM.rar_ancient9g2_atmega8a_eeprom_fingerxt3_i2c

/* * eeprom.c * * Created: 21.01.2019 16:07:49 * Author: WFr */ #include "eeprom.h" //====================================================================== void EEPROM_write(unsigned int uiAddress, unsigned char ucData) { while(EECR & (1<<EEWE)) // 誅粳 褓隆菔誅粵�� 縱琶� 蝌衝闐璃� 頡縛窟獗� 複綑皖態 � 鋒��靦� {} EEAR = uiAddress; //頑瘟縊� 琴擇� � 擇媲羲� EEDR = ucData; // 頑瘟縊� 滓瘩灘 � 擇媲羲� 滓瘩贖 EECR |= (1<<EEMWE); // 擋鼓義琯� 頑震艘 EECR |= (1<<EEWE); // 震羅� } //====================================================================== unsigned char EEPROM_read(unsigned int uiAddress) { while(EECR & (1<<EEWE)) {} EEAR = uiAddress; //頑瘟縊� 琴擇� � 擇媲羲� EECR |= (1<<EERE); // 鞣錶粳 return EEDR; // 隆頊擋麴粳 擇僮鼻錶� } //====================================================================== void EEPROM_write_word(unsigned int uiAddress, uint16_t ucData) { EEPROM_write(uiAddress, (unsigned char) ucData); unsigned char dt = ucData>>8; EEPROM_write(uiAddress+1, dt); } //====================================================================== uint16_t EEPROM_read_word(unsigned int uiAddress) { uint16_t dt = EEPROM_read(uiAddress+1)*256; asm("nop"); dt += EEPROM_read(uiAddress); return dt; } //====================================================================== void EEPROM_write_dword(unsigned int uiAddress, uint32_t ucData) { EEPROM_write_word(uiAddress, (uint16_t) ucData); uint16_t dt = ucData>>16; EEPROM_write_word(uiAddress+2, dt); } //====================================================================== uint32_t EEPROM_read_dword(unsigned int uiAddress) { uint32_t dt = EEPROM_read_word(uiAddress+2)*65536; asm("nop"); dt += EEPROM_read_word(uiAddress); return dt; } //====================================================================== void EEPROM_write_string(unsigned int uiAddress, char str1[]) { wchar_t n; for (n=0;str1[n]!='\0';n++) { EEPROM_write(uiAddress+n, str1[n]); } } //====================================================================== const char* EEPROM_read_string(unsigned int uiAddress, unsigned int sz) { unsigned int i; char* str1; str1 = (char *) realloc(NULL, sz); for (i=0;i<sz;i++) { str1[i] = EEPROM_read(uiAddress+i); } asm("nop"); return str1; } //======================================================================