這是一個單片機控制的收音機程序完整代碼和原理圖下載地址： http://www.torrancerestoration.com/bbs/dpj-19294-1.html 下面我我截圖的一個子程序.
#include "STC12C5620AD.H"
#include "EEPROM.H"
#include "Channel_Handle.H"
/********************** 聲明外部變量**************************/
/********************** EEPROM 存儲電臺PLL*************************/
void EEPROM_Save_PLL(uchar Index,uint Udata)
{
uchar Temp_H;
uchar Temp_L; //PLL轉(zhuǎn)換緩存
uchar EEPROM_H;
uchar EEPROM_L; //EEPROM讀取緩存
Temp_H=Udata>>8;
Temp_L=Udata%256;
switch (Index)
{
case 1:
EEPROM_H=EEPROM_Read_Byte(0x00,0x02); //暫存N0.8電臺PLL高位
EEPROM_L=EEPROM_Read_Byte(0x00,0x03); //暫存N0.8電臺PLL高位
EEPROM_Earse(0x00,0x00); //擦除第1扇區(qū)
EEPROM_Write_Byte(Temp_H,0x00,0x00); //寫入N0.1電臺PLL高位
EEPROM_Write_Byte(Temp_L,0x00,0x01); //寫入N0.1電臺PLL低位
EEPROM_Write_Byte(EEPROM_H,0x00,0x02); //寫入N0.8電臺PLL高位
EEPROM_Write_Byte(EEPROM_L,0x00,0x03); //寫入N0.8電臺PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇區(qū)
EEPROM_Write_Byte(Index,0x0e,0x00); //寫入電臺序號
break;
case 2:
EEPROM_H=EEPROM_Read_Byte(0x02,0x02); //暫存N0.9電臺PLL高位
EEPROM_L=EEPROM_Read_Byte(0x02,0x03); //暫存N0.9電臺PLL高位
EEPROM_Earse(0x02,0x00); //擦除第2扇區(qū)
EEPROM_Write_Byte(Temp_H,0x02,0x00); //寫入N0.2電臺PLL高位
EEPROM_Write_Byte(Temp_L,0x02,0x01); //寫入N0.2電臺PLL低位
EEPROM_Write_Byte(EEPROM_H,0x02,0x02); //寫入N0.9電臺PLL高位
EEPROM_Write_Byte(EEPROM_L,0x02,0x03); //寫入N0.9電臺PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇區(qū)
EEPROM_Write_Byte(Index,0x0e,0x00); //寫入電臺序號
break;
case 3:
EEPROM_H=EEPROM_Read_Byte(0x04,0x02); //暫存N0.10電臺PLL高位
EEPROM_L=EEPROM_Read_Byte(0x04,0x03); //暫存N0.10電臺PLL高位
EEPROM_Earse(0x04,0x00); //擦除第3扇區(qū)
EEPROM_Write_Byte(Temp_H,0x04,0x00); //寫入N0.3電臺PLL高位
EEPROM_Write_Byte(Temp_L,0x04,0x01); //寫入N0.3電臺PLL低位
EEPROM_Write_Byte(EEPROM_H,0x04,0x02); //寫入N0.10電臺PLL高位
EEPROM_Write_Byte(EEPROM_L,0x04,0x03); //寫入N0.10電臺PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇區(qū)
EEPROM_Write_Byte(Index,0x0e,0x00); //寫入電臺序號
break;
case 4:
EEPROM_H=EEPROM_Read_Byte(0x06,0x02); //暫存N0.11電臺PLL高位
EEPROM_L=EEPROM_Read_Byte(0x06,0x03); //暫存N0.11電臺PLL高位
EEPROM_Earse(0x06,0x00); //擦除第4扇區(qū)
EEPROM_Write_Byte(Temp_H,0x06,0x00); //寫入N0.4電臺PLL高位
EEPROM_Write_Byte(Temp_L,0x06,0x01); //寫入N0.4電臺PLL低位
EEPROM_Write_Byte(EEPROM_H,0x06,0x02); //寫入N0.11電臺PLL高位
EEPROM_Write_Byte(EEPROM_L,0x06,0x03); //寫入N0.11電臺PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇區(qū)
EEPROM_Write_Byte(Index,0x0e,0x00); //寫入電臺序號
break;
case 5:
EEPROM_H=EEPROM_Read_Byte(0x08,0x02); //暫存N0.12電臺PLL高位
EEPROM_L=EEPROM_Read_Byte(0x08,0x03); //暫存N0.12電臺PLL高位
EEPROM_Earse(0x08,0x00); //擦除第5扇區(qū)
EEPROM_Write_Byte(Temp_H,0x08,0x00); //寫入N0.5電臺PLL高位
EEPROM_Write_Byte(Temp_L,0x08,0x01); //寫入N0.5電臺PLL低位
EEPROM_Write_Byte(EEPROM_H,0x08,0x02); //寫入N0.12電臺PLL高位
EEPROM_Write_Byte(EEPROM_L,0x08,0x03); //寫入N0.12電臺PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇區(qū)
EEPROM_Write_Byte(Index,0x0e,0x00); //寫入電臺序號
break;
case 6:
EEPROM_H=EEPROM_Read_Byte(0x0a,0x02); //暫存N0.13電臺PLL高位
EEPROM_L=EEPROM_Read_Byte(0x0a,0x03); //暫存N0.13電臺PLL高位
EEPROM_Earse(0x0a,0x00); //擦除第6扇區(qū)
EEPROM_Write_Byte(Temp_H,0x0a,0x00); //寫入N0.6電臺PLL高位
EEPROM_Write_Byte(Temp_L,0x0a,0x01); //寫入N0.6電臺PLL低位
EEPROM_Write_Byte(EEPROM_H,0x0a,0x02); //寫入N0.13電臺PLL高位
EEPROM_Write_Byte(EEPROM_L,0x0a,0x03); //寫入N0.13電臺PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇區(qū)
EEPROM_Write_Byte(Index,0x0e,0x00); //寫入電臺序號
break;
case 7:
EEPROM_H=EEPROM_Read_Byte(0x0c,0x02); //暫存N0.14電臺PLL高位
EEPROM_L=EEPROM_Read_Byte(0x0c,0x03); //暫存N0.14電臺PLL高位
EEPROM_Earse(0x0c,0x00); //擦除第7扇區(qū)
EEPROM_Write_Byte(Temp_H,0x0c,0x00); //寫入N0.7電臺PLL高位
EEPROM_Write_Byte(Temp_L,0x0c,0x01); //寫入N0.7電臺PLL低位
EEPROM_Write_Byte(EEPROM_H,0x0c,0x02); //寫入N0.14電臺PLL高位
EEPROM_Write_Byte(EEPROM_L,0x0c,0x03); //寫入N0.14電臺PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇區(qū)
EEPROM_Write_Byte(Index,0x0e,0x00); //寫入電臺序號
break;
case 8:
EEPROM_H=EEPROM_Read_Byte(0x00,0x00); //暫存N0.1電臺PLL高位
EEPROM_L=EEPROM_Read_Byte(0x00,0x01); //暫存N0.1電臺PLL高位
EEPROM_Earse(0x00,0x00); //擦除第1扇區(qū)
EEPROM_Write_Byte(Temp_H,0x00,0x02); //寫入N0.8電臺PLL高位
EEPROM_Write_Byte(Temp_L,0x00,0x03); //寫入N0.8電臺PLL低位
EEPROM_Write_Byte(EEPROM_H,0x00,0x00); //寫入N0.1電臺PLL高位
EEPROM_Write_Byte(EEPROM_L,0x00,0x01); //寫入N0.1電臺PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇區(qū)
EEPROM_Write_Byte(Index,0x0e,0x00); //寫入電臺序號
break;
case 9:
EEPROM_H=EEPROM_Read_Byte(0x02,0x00); //暫存N0.2電臺PLL高位
EEPROM_L=EEPROM_Read_Byte(0x02,0x01); //暫存N0.2電臺PLL高位
EEPROM_Earse(0x02,0x00); //擦除第2扇區(qū)
EEPROM_Write_Byte(Temp_H,0x02,0x02); //寫入N0.9電臺PLL高位
EEPROM_Write_Byte(Temp_L,0x02,0x03); //寫入N0.9電臺PLL低位
EEPROM_Write_Byte(EEPROM_H,0x02,0x00); //寫入N0.2電臺PLL高位
EEPROM_Write_Byte(EEPROM_L,0x02,0x01); //寫入N0.2電臺PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇區(qū)
EEPROM_Write_Byte(Index,0x0e,0x00); //寫入電臺序號
break;
case 10:
EEPROM_H=EEPROM_Read_Byte(0x04,0x00); //暫存N0.3電臺PLL高位
EEPROM_L=EEPROM_Read_Byte(0x04,0x01); //暫存N0.3電臺PLL高位
EEPROM_Earse(0x04,0x00); //擦除第3扇區(qū)
EEPROM_Write_Byte(Temp_H,0x04,0x02); //寫入N0.10電臺PLL高位
EEPROM_Write_Byte(Temp_L,0x04,0x03); //寫入N0.10電臺PLL低位
EEPROM_Write_Byte(EEPROM_H,0x04,0x00); //寫入N0.3電臺PLL高位
EEPROM_Write_Byte(EEPROM_L,0x04,0x01); //寫入N0.3電臺PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇區(qū)
EEPROM_Write_Byte(Index,0x0e,0x00); //寫入電臺序號
break;
case 11:
EEPROM_H=EEPROM_Read_Byte(0x06,0x00); //暫存N0.4電臺PLL高位
EEPROM_L=EEPROM_Read_Byte(0x06,0x01); //暫存N0.4電臺PLL高位
EEPROM_Earse(0x06,0x00); //擦除第4扇區(qū)
EEPROM_Write_Byte(Temp_H,0x06,0x02); //寫入N0.11電臺PLL高位
EEPROM_Write_Byte(Temp_L,0x06,0x03); //寫入N0.11電臺PLL低位
EEPROM_Write_Byte(EEPROM_H,0x06,0x00); //寫入N0.4電臺PLL高位
EEPROM_Write_Byte(EEPROM_L,0x06,0x01); //寫入N0.4電臺PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇區(qū)
EEPROM_Write_Byte(Index,0x0e,0x00); //寫入電臺序號
break;
case 12:
EEPROM_H=EEPROM_Read_Byte(0x08,0x00); //暫存N0.5電臺PLL高位
EEPROM_L=EEPROM_Read_Byte(0x08,0x01); //暫存N0.5電臺PLL高位
EEPROM_Earse(0x08,0x00); //擦除第5扇區(qū)
EEPROM_Write_Byte(Temp_H,0x08,0x02); //寫入N0.12電臺PLL高位
EEPROM_Write_Byte(Temp_L,0x08,0x03); //寫入N0.12電臺PLL低位
EEPROM_Write_Byte(EEPROM_H,0x08,0x00); //寫入N0.5電臺PLL高位
EEPROM_Write_Byte(EEPROM_L,0x08,0x01); //寫入N0.5電臺PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇區(qū)
EEPROM_Write_Byte(Index,0x0e,0x00); //寫入電臺序號
break;
case 13:
EEPROM_H=EEPROM_Read_Byte(0x0a,0x00); //暫存N0.6電臺PLL高位
EEPROM_L=EEPROM_Read_Byte(0x0a,0x01); //暫存N0.6電臺PLL高位
EEPROM_Earse(0x0a,0x00); //擦除第6扇區(qū)
EEPROM_Write_Byte(Temp_H,0x0a,0x02); //寫入N0.13電臺PLL高位
EEPROM_Write_Byte(Temp_L,0x0a,0x03); //寫入N0.13電臺PLL低位
EEPROM_Write_Byte(EEPROM_H,0x0a,0x00); //寫入N0.6電臺PLL高位
EEPROM_Write_Byte(EEPROM_L,0x0a,0x01); //寫入N0.6電臺PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇區(qū)
EEPROM_Write_Byte(Index,0x0e,0x00); //寫入電臺序號
break;
case 14:
EEPROM_H=EEPROM_Read_Byte(0x0c,0x00); //暫存N0.7電臺PLL高位
EEPROM_L=EEPROM_Read_Byte(0x0c,0x01); //暫存N0.7電臺PLL高位
EEPROM_Earse(0x0c,0x00); //擦除第7扇區(qū)
EEPROM_Write_Byte(Temp_H,0x0c,0x02); //寫入N0.14電臺PLL高位
EEPROM_Write_Byte(Temp_L,0x0c,0x03); //寫入N0.14電臺PLL低位
EEPROM_Write_Byte(EEPROM_H,0x0c,0x00); //寫入N0.7電臺PLL高位
EEPROM_Write_Byte(EEPROM_L,0x0c,0x01); //寫入N0.7電臺PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇區(qū)
EEPROM_Write_Byte(Index,0x0e,0x00); //寫入電臺序號
break;
case 15:
EEPROM_Earse(0x0e,0x00); //擦除第8扇區(qū)
EEPROM_Write_Byte(Index,0x0e,0x00); //寫入電臺序號
EEPROM_Write_Byte(Temp_H,0x0e,0x02); //寫入N0.15電臺PLL高位
EEPROM_Write_Byte(Temp_L,0x0e,0x03); //寫入N0.15電臺PLL低位
break;
default:
break;
}
}
/********************** EEPROM 讀取電臺PLL*************************/
uint EEPROM_Get_PLL(uchar Index)
{
uint PLL_Temp;
uchar Temp_H;
uchar Temp_L;
switch (Index)
{
case 1: //NO.1電臺PLL
Temp_H=EEPROM_Read_Byte(0x00,0x00); //獲取PLL高位
Temp_L=EEPROM_Read_Byte(0x00,0x01); //獲取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 2: //NO.2電臺PLL
Temp_H=EEPROM_Read_Byte(0x02,0x00); //獲取PLL高位
Temp_L=EEPROM_Read_Byte(0x02,0x01); //獲取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 3: //NO.3電臺PLL
Temp_H=EEPROM_Read_Byte(0x04,0x00); //獲取PLL高位
Temp_L=EEPROM_Read_Byte(0x04,0x01); //獲取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 4: //NO.4電臺PLL
Temp_H=EEPROM_Read_Byte(0x06,0x00); //獲取PLL高位
Temp_L=EEPROM_Read_Byte(0x06,0x01); //獲取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 5: //NO.5電臺PLL
Temp_H=EEPROM_Read_Byte(0x08,0x00); //獲取PLL高位
Temp_L=EEPROM_Read_Byte(0x08,0x01); //獲取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 6: //NO.6電臺PLL
Temp_H=EEPROM_Read_Byte(0x0a,0x00); //獲取PLL高位
Temp_L=EEPROM_Read_Byte(0x0a,0x01); //獲取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
case 7: //NO.7電臺PLL
Temp_H=EEPROM_Read_Byte(0x0c,0x00); //獲取PLL高位
Temp_L=EEPROM_Read_Byte(0x0c,0x01); //獲取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 8: //NO.8電臺PLL
Temp_H=EEPROM_Read_Byte(0x00,0x02); //獲取PLL高位
Temp_L=EEPROM_Read_Byte(0x00,0x03); //獲取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 9: //NO.9電臺PLL
Temp_H=EEPROM_Read_Byte(0x02,0x02); //獲取PLL高位
Temp_L=EEPROM_Read_Byte(0x02,0x03); //獲取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 10: //NO.10電臺PLL
Temp_H=EEPROM_Read_Byte(0x04,0x02); //獲取PLL高位
Temp_L=EEPROM_Read_Byte(0x04,0x03); //獲取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 11: //NO.11電臺PLL
Temp_H=EEPROM_Read_Byte(0x06,0x02); //獲取PLL高位
Temp_L=EEPROM_Read_Byte(0x06,0x03); //獲取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 12: //NO.12電臺PLL
Temp_H=EEPROM_Read_Byte(0x08,0x02); //獲取PLL高位
Temp_L=EEPROM_Read_Byte(0x08,0x03); //獲取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 13: //NO.13電臺PLL
Temp_H=EEPROM_Read_Byte(0x0a,0x02); //獲取PLL高位
Temp_L=EEPROM_Read_Byte(0x0a,0x03); //獲取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 14: //NO.14電臺PLL
Temp_H=EEPROM_Read_Byte(0x0c,0x02); //獲取PLL高位
Temp_L=EEPROM_Read_Byte(0x0c,0x03); //獲取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 15: //NO.15電臺PLL
Temp_H=EEPROM_Read_Byte(0x0e,0x02); //獲取PLL高位
Temp_L=EEPROM_Read_Byte(0x0e,0x03); //獲取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
default:
break;
}
return PLL_Temp;
}
/********************** EEPROM 讀取最后一次序號*************************/
uchar EEPROM_Get_Index()
{
uchar Index;
Index=EEPROM_Read_Byte(0x0e,0x00);
return Index;
}
/********************** EEPROM 寫入最后一次序號*************************/
void EEPROM_Write_Index(uchar Index)
{
EEPROM_Earse(0x0e,0x00); //首先擦除第8扇區(qū)
EEPROM_Write_Byte(Index,0x0e,0x00); //寫入電臺序號
}