#include <htc.h>
#if EEPROM_SIZE
unsigned char *
eecpymem(unsigned char *to, unsigned char from, unsigned char size)
{
unsigned char *cp = to;
EEADR = (unsigned char)from;
while (WR) continue;
while(size--) {
#ifdef __FLASHTYPE
EECON1 &= 0x7F;
#endif
RD = 1;
*cp++ = EEDATA;
++EEADR;
}
return to;
}
unsigned char *
memcpyee(unsigned char to, const void *from, unsigned char size)
{
const unsigned char *ptr =from;
EEADR = (unsigned char)to;
#ifdef __FLASHTYPE
EECON1 &= 0x7F;
#endif
while(size--) {
EEDATA = *ptr++;
while (WR) continue;
CARRY = 0; if (GIE) CARRY = 1; GIE = 0;
WREN = 1;
EECON2 = 0x55;
EECON2 = 0xAA;
WR = 1;
WREN = 0;
if (CARRY) GIE = 1; //an opportunity for interrupts to happen
++EEADR;
}
return (unsigned char *)to;
}
#endif
出处:PICC的source目录 E:Program FilesHI-TECH SoftwarePICC9.50sources
现在才发现原来这里有很多代码,学习PIC不用到处找了.![]()
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