±êÌâ: mp3(3) [´òÓ¡±¾Ò³]

×÷Õß: a13758777532    ʱ¼ä: 2008-9-1 16:46
±êÌâ: mp3(3)

//****************************************
// ¥·¥ê¥¢¥ëÆþÎÏ¡£ÆþÎϤ¬¤¢¤ë¤Þ¤ÇÂÔ¤Ä
//****************************************
uchar ReadCom(void){

 do {
  WDR;
 } while(!(inp(UCSRA)&(1<<RXC)));
 return inp(UDR);
}

//****************************************
// ¥·¥ê¥¢¥ë½ÐÎÏ
//****************************************
void WriteCom(uchar data){

 do {
  ;
 } while(!(inp(UCSRA)&(1<<UDRE)));
 outp(data, UDR);
}


//****************************************
// 1byte¤ò16¿Ê¿ô¤Çɽ¼¨
//****************************************
void WriteHex(uchar data){
 uchar c;

 c = (data>>4) + '0';
 if (c > '9'){ c += 7; }
 WriteCom(c);

 c = (data & 0x0f) + '0';
 if (c > '9'){ c += 7; }
 WriteCom(c);
}


//****************************************
// int¤ò 10¿Êʸ»úÎóÊÑ´¹
//****************************************
/*
void ItoStr(uint i, uchar str[]){
 char *p;

 if (i >= 10000){
  p = &str[5];
 } else if (i >= 1000){
  p = &str[4];
 } else if (i >= 100){
  p = &str[3];
 } else if (i >= 10){
  p = &str[2];
 } else {
  p = &str[1];
 }
 *p-- = 0;

 do {
  *p-- = (i % 10) + '0';
  i /= 10;
 } while(i);
}
*/


//****************************************
// ¸ÇÄêʸ»úÎó½ÐÎÏ
// »ÈÍÑÎã¡§
//  char *s;
//  s = PSTR("Message OK.\n");
//  WriteComMsg(s);
//****************************************
void WriteComMsg(PGM_VOID_P msg){
 char i;
 uchar c;

 i = 0;
 while((c = (uchar)PRG_RDB(msg++)) != 0){
  WriteCom(c);
  i++;
 }
}

//****************************************
// ¥Ð¥Ã¥Õ¥¡Ê¸»úÎó½ÐÎÏ
//****************************************
void WriteComStr(uchar *msg){
 char i;
 uchar c;

 i = 0;
 while((c = (uchar)(*msg++)) != 0){
  WriteCom(c);
  i++;
 }
}

 






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