这是一个单片机控制的收音机程序完整代码和原理图下载地址： http://www.51hei.com/bbs/dpj-19294-1.html 下面我我截图的一个子程序.
#include "STC12C5620AD.H"
#include "EEPROM.H"
#include "Channel_Handle.H"
/********************** 声明外部变量**************************/
/********************** EEPROM 存储电台PLL*************************/
void EEPROM_Save_PLL(uchar Index,uint Udata)
{
uchar Temp_H;
uchar Temp_L; //PLL转换缓存
uchar EEPROM_H;
uchar EEPROM_L; //EEPROM读取缓存
Temp_H=Udata>>8;
Temp_L=Udata%256;
switch (Index)
{
case 1:
EEPROM_H=EEPROM_Read_Byte(0x00,0x02); //暂存N0.8电台PLL高位
EEPROM_L=EEPROM_Read_Byte(0x00,0x03); //暂存N0.8电台PLL高位
EEPROM_Earse(0x00,0x00); //擦除第1扇区
EEPROM_Write_Byte(Temp_H,0x00,0x00); //写入N0.1电台PLL高位
EEPROM_Write_Byte(Temp_L,0x00,0x01); //写入N0.1电台PLL低位
EEPROM_Write_Byte(EEPROM_H,0x00,0x02); //写入N0.8电台PLL高位
EEPROM_Write_Byte(EEPROM_L,0x00,0x03); //写入N0.8电台PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇区
EEPROM_Write_Byte(Index,0x0e,0x00); //写入电台序号
break;
case 2:
EEPROM_H=EEPROM_Read_Byte(0x02,0x02); //暂存N0.9电台PLL高位
EEPROM_L=EEPROM_Read_Byte(0x02,0x03); //暂存N0.9电台PLL高位
EEPROM_Earse(0x02,0x00); //擦除第2扇区
EEPROM_Write_Byte(Temp_H,0x02,0x00); //写入N0.2电台PLL高位
EEPROM_Write_Byte(Temp_L,0x02,0x01); //写入N0.2电台PLL低位
EEPROM_Write_Byte(EEPROM_H,0x02,0x02); //写入N0.9电台PLL高位
EEPROM_Write_Byte(EEPROM_L,0x02,0x03); //写入N0.9电台PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇区
EEPROM_Write_Byte(Index,0x0e,0x00); //写入电台序号
break;
case 3:
EEPROM_H=EEPROM_Read_Byte(0x04,0x02); //暂存N0.10电台PLL高位
EEPROM_L=EEPROM_Read_Byte(0x04,0x03); //暂存N0.10电台PLL高位
EEPROM_Earse(0x04,0x00); //擦除第3扇区
EEPROM_Write_Byte(Temp_H,0x04,0x00); //写入N0.3电台PLL高位
EEPROM_Write_Byte(Temp_L,0x04,0x01); //写入N0.3电台PLL低位
EEPROM_Write_Byte(EEPROM_H,0x04,0x02); //写入N0.10电台PLL高位
EEPROM_Write_Byte(EEPROM_L,0x04,0x03); //写入N0.10电台PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇区
EEPROM_Write_Byte(Index,0x0e,0x00); //写入电台序号
break;
case 4:
EEPROM_H=EEPROM_Read_Byte(0x06,0x02); //暂存N0.11电台PLL高位
EEPROM_L=EEPROM_Read_Byte(0x06,0x03); //暂存N0.11电台PLL高位
EEPROM_Earse(0x06,0x00); //擦除第4扇区
EEPROM_Write_Byte(Temp_H,0x06,0x00); //写入N0.4电台PLL高位
EEPROM_Write_Byte(Temp_L,0x06,0x01); //写入N0.4电台PLL低位
EEPROM_Write_Byte(EEPROM_H,0x06,0x02); //写入N0.11电台PLL高位
EEPROM_Write_Byte(EEPROM_L,0x06,0x03); //写入N0.11电台PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇区
EEPROM_Write_Byte(Index,0x0e,0x00); //写入电台序号
break;
case 5:
EEPROM_H=EEPROM_Read_Byte(0x08,0x02); //暂存N0.12电台PLL高位
EEPROM_L=EEPROM_Read_Byte(0x08,0x03); //暂存N0.12电台PLL高位
EEPROM_Earse(0x08,0x00); //擦除第5扇区
EEPROM_Write_Byte(Temp_H,0x08,0x00); //写入N0.5电台PLL高位
EEPROM_Write_Byte(Temp_L,0x08,0x01); //写入N0.5电台PLL低位
EEPROM_Write_Byte(EEPROM_H,0x08,0x02); //写入N0.12电台PLL高位
EEPROM_Write_Byte(EEPROM_L,0x08,0x03); //写入N0.12电台PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇区
EEPROM_Write_Byte(Index,0x0e,0x00); //写入电台序号
break;
case 6:
EEPROM_H=EEPROM_Read_Byte(0x0a,0x02); //暂存N0.13电台PLL高位
EEPROM_L=EEPROM_Read_Byte(0x0a,0x03); //暂存N0.13电台PLL高位
EEPROM_Earse(0x0a,0x00); //擦除第6扇区
EEPROM_Write_Byte(Temp_H,0x0a,0x00); //写入N0.6电台PLL高位
EEPROM_Write_Byte(Temp_L,0x0a,0x01); //写入N0.6电台PLL低位
EEPROM_Write_Byte(EEPROM_H,0x0a,0x02); //写入N0.13电台PLL高位
EEPROM_Write_Byte(EEPROM_L,0x0a,0x03); //写入N0.13电台PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇区
EEPROM_Write_Byte(Index,0x0e,0x00); //写入电台序号
break;
case 7:
EEPROM_H=EEPROM_Read_Byte(0x0c,0x02); //暂存N0.14电台PLL高位
EEPROM_L=EEPROM_Read_Byte(0x0c,0x03); //暂存N0.14电台PLL高位
EEPROM_Earse(0x0c,0x00); //擦除第7扇区
EEPROM_Write_Byte(Temp_H,0x0c,0x00); //写入N0.7电台PLL高位
EEPROM_Write_Byte(Temp_L,0x0c,0x01); //写入N0.7电台PLL低位
EEPROM_Write_Byte(EEPROM_H,0x0c,0x02); //写入N0.14电台PLL高位
EEPROM_Write_Byte(EEPROM_L,0x0c,0x03); //写入N0.14电台PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇区
EEPROM_Write_Byte(Index,0x0e,0x00); //写入电台序号
break;
case 8:
EEPROM_H=EEPROM_Read_Byte(0x00,0x00); //暂存N0.1电台PLL高位
EEPROM_L=EEPROM_Read_Byte(0x00,0x01); //暂存N0.1电台PLL高位
EEPROM_Earse(0x00,0x00); //擦除第1扇区
EEPROM_Write_Byte(Temp_H,0x00,0x02); //写入N0.8电台PLL高位
EEPROM_Write_Byte(Temp_L,0x00,0x03); //写入N0.8电台PLL低位
EEPROM_Write_Byte(EEPROM_H,0x00,0x00); //写入N0.1电台PLL高位
EEPROM_Write_Byte(EEPROM_L,0x00,0x01); //写入N0.1电台PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇区
EEPROM_Write_Byte(Index,0x0e,0x00); //写入电台序号
break;
case 9:
EEPROM_H=EEPROM_Read_Byte(0x02,0x00); //暂存N0.2电台PLL高位
EEPROM_L=EEPROM_Read_Byte(0x02,0x01); //暂存N0.2电台PLL高位
EEPROM_Earse(0x02,0x00); //擦除第2扇区
EEPROM_Write_Byte(Temp_H,0x02,0x02); //写入N0.9电台PLL高位
EEPROM_Write_Byte(Temp_L,0x02,0x03); //写入N0.9电台PLL低位
EEPROM_Write_Byte(EEPROM_H,0x02,0x00); //写入N0.2电台PLL高位
EEPROM_Write_Byte(EEPROM_L,0x02,0x01); //写入N0.2电台PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇区
EEPROM_Write_Byte(Index,0x0e,0x00); //写入电台序号
break;
case 10:
EEPROM_H=EEPROM_Read_Byte(0x04,0x00); //暂存N0.3电台PLL高位
EEPROM_L=EEPROM_Read_Byte(0x04,0x01); //暂存N0.3电台PLL高位
EEPROM_Earse(0x04,0x00); //擦除第3扇区
EEPROM_Write_Byte(Temp_H,0x04,0x02); //写入N0.10电台PLL高位
EEPROM_Write_Byte(Temp_L,0x04,0x03); //写入N0.10电台PLL低位
EEPROM_Write_Byte(EEPROM_H,0x04,0x00); //写入N0.3电台PLL高位
EEPROM_Write_Byte(EEPROM_L,0x04,0x01); //写入N0.3电台PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇区
EEPROM_Write_Byte(Index,0x0e,0x00); //写入电台序号
break;
case 11:
EEPROM_H=EEPROM_Read_Byte(0x06,0x00); //暂存N0.4电台PLL高位
EEPROM_L=EEPROM_Read_Byte(0x06,0x01); //暂存N0.4电台PLL高位
EEPROM_Earse(0x06,0x00); //擦除第4扇区
EEPROM_Write_Byte(Temp_H,0x06,0x02); //写入N0.11电台PLL高位
EEPROM_Write_Byte(Temp_L,0x06,0x03); //写入N0.11电台PLL低位
EEPROM_Write_Byte(EEPROM_H,0x06,0x00); //写入N0.4电台PLL高位
EEPROM_Write_Byte(EEPROM_L,0x06,0x01); //写入N0.4电台PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇区
EEPROM_Write_Byte(Index,0x0e,0x00); //写入电台序号
break;
case 12:
EEPROM_H=EEPROM_Read_Byte(0x08,0x00); //暂存N0.5电台PLL高位
EEPROM_L=EEPROM_Read_Byte(0x08,0x01); //暂存N0.5电台PLL高位
EEPROM_Earse(0x08,0x00); //擦除第5扇区
EEPROM_Write_Byte(Temp_H,0x08,0x02); //写入N0.12电台PLL高位
EEPROM_Write_Byte(Temp_L,0x08,0x03); //写入N0.12电台PLL低位
EEPROM_Write_Byte(EEPROM_H,0x08,0x00); //写入N0.5电台PLL高位
EEPROM_Write_Byte(EEPROM_L,0x08,0x01); //写入N0.5电台PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇区
EEPROM_Write_Byte(Index,0x0e,0x00); //写入电台序号
break;
case 13:
EEPROM_H=EEPROM_Read_Byte(0x0a,0x00); //暂存N0.6电台PLL高位
EEPROM_L=EEPROM_Read_Byte(0x0a,0x01); //暂存N0.6电台PLL高位
EEPROM_Earse(0x0a,0x00); //擦除第6扇区
EEPROM_Write_Byte(Temp_H,0x0a,0x02); //写入N0.13电台PLL高位
EEPROM_Write_Byte(Temp_L,0x0a,0x03); //写入N0.13电台PLL低位
EEPROM_Write_Byte(EEPROM_H,0x0a,0x00); //写入N0.6电台PLL高位
EEPROM_Write_Byte(EEPROM_L,0x0a,0x01); //写入N0.6电台PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇区
EEPROM_Write_Byte(Index,0x0e,0x00); //写入电台序号
break;
case 14:
EEPROM_H=EEPROM_Read_Byte(0x0c,0x00); //暂存N0.7电台PLL高位
EEPROM_L=EEPROM_Read_Byte(0x0c,0x01); //暂存N0.7电台PLL高位
EEPROM_Earse(0x0c,0x00); //擦除第7扇区
EEPROM_Write_Byte(Temp_H,0x0c,0x02); //写入N0.14电台PLL高位
EEPROM_Write_Byte(Temp_L,0x0c,0x03); //写入N0.14电台PLL低位
EEPROM_Write_Byte(EEPROM_H,0x0c,0x00); //写入N0.7电台PLL高位
EEPROM_Write_Byte(EEPROM_L,0x0c,0x01); //写入N0.7电台PLL低位
EEPROM_Earse(0x0e,0x00); //擦除第8扇区
EEPROM_Write_Byte(Index,0x0e,0x00); //写入电台序号
break;
case 15:
EEPROM_Earse(0x0e,0x00); //擦除第8扇区
EEPROM_Write_Byte(Index,0x0e,0x00); //写入电台序号
EEPROM_Write_Byte(Temp_H,0x0e,0x02); //写入N0.15电台PLL高位
EEPROM_Write_Byte(Temp_L,0x0e,0x03); //写入N0.15电台PLL低位
break;
default:
break;
}
}
/********************** EEPROM 读取电台PLL*************************/
uint EEPROM_Get_PLL(uchar Index)
{
uint PLL_Temp;
uchar Temp_H;
uchar Temp_L;
switch (Index)
{
case 1: //NO.1电台PLL
Temp_H=EEPROM_Read_Byte(0x00,0x00); //获取PLL高位
Temp_L=EEPROM_Read_Byte(0x00,0x01); //获取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 2: //NO.2电台PLL
Temp_H=EEPROM_Read_Byte(0x02,0x00); //获取PLL高位
Temp_L=EEPROM_Read_Byte(0x02,0x01); //获取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 3: //NO.3电台PLL
Temp_H=EEPROM_Read_Byte(0x04,0x00); //获取PLL高位
Temp_L=EEPROM_Read_Byte(0x04,0x01); //获取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 4: //NO.4电台PLL
Temp_H=EEPROM_Read_Byte(0x06,0x00); //获取PLL高位
Temp_L=EEPROM_Read_Byte(0x06,0x01); //获取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 5: //NO.5电台PLL
Temp_H=EEPROM_Read_Byte(0x08,0x00); //获取PLL高位
Temp_L=EEPROM_Read_Byte(0x08,0x01); //获取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 6: //NO.6电台PLL
Temp_H=EEPROM_Read_Byte(0x0a,0x00); //获取PLL高位
Temp_L=EEPROM_Read_Byte(0x0a,0x01); //获取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
case 7: //NO.7电台PLL
Temp_H=EEPROM_Read_Byte(0x0c,0x00); //获取PLL高位
Temp_L=EEPROM_Read_Byte(0x0c,0x01); //获取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 8: //NO.8电台PLL
Temp_H=EEPROM_Read_Byte(0x00,0x02); //获取PLL高位
Temp_L=EEPROM_Read_Byte(0x00,0x03); //获取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 9: //NO.9电台PLL
Temp_H=EEPROM_Read_Byte(0x02,0x02); //获取PLL高位
Temp_L=EEPROM_Read_Byte(0x02,0x03); //获取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 10: //NO.10电台PLL
Temp_H=EEPROM_Read_Byte(0x04,0x02); //获取PLL高位
Temp_L=EEPROM_Read_Byte(0x04,0x03); //获取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 11: //NO.11电台PLL
Temp_H=EEPROM_Read_Byte(0x06,0x02); //获取PLL高位
Temp_L=EEPROM_Read_Byte(0x06,0x03); //获取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 12: //NO.12电台PLL
Temp_H=EEPROM_Read_Byte(0x08,0x02); //获取PLL高位
Temp_L=EEPROM_Read_Byte(0x08,0x03); //获取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 13: //NO.13电台PLL
Temp_H=EEPROM_Read_Byte(0x0a,0x02); //获取PLL高位
Temp_L=EEPROM_Read_Byte(0x0a,0x03); //获取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 14: //NO.14电台PLL
Temp_H=EEPROM_Read_Byte(0x0c,0x02); //获取PLL高位
Temp_L=EEPROM_Read_Byte(0x0c,0x03); //获取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
case 15: //NO.15电台PLL
Temp_H=EEPROM_Read_Byte(0x0e,0x02); //获取PLL高位
Temp_L=EEPROM_Read_Byte(0x0e,0x03); //获取PLL高位
PLL_Temp=Temp_H<<8|Temp_L;
break;
default:
break;
}
return PLL_Temp;
}
/********************** EEPROM 读取最后一次序号*************************/
uchar EEPROM_Get_Index()
{
uchar Index;
Index=EEPROM_Read_Byte(0x0e,0x00);
return Index;
}
/********************** EEPROM 写入最后一次序号*************************/
void EEPROM_Write_Index(uchar Index)
{
EEPROM_Earse(0x0e,0x00); //首先擦除第8扇区
EEPROM_Write_Byte(Index,0x0e,0x00); //写入电台序号
}