📄 ps2键盘(at45db011).c
字号:
Emluator_RS232(0x0d);
Emluator_RS232(0x0a);
while(Send_1Byte_To_PS2_Port(0xaa)==0) {}
while(1)
{
}
*/
/*
S_Timing=0;
while(1)
{
while(Send_1Byte_To_PS2_Port(0xaa)==0) {}
Send_1Byte_To_PS2_Port(0x58);
//Send_1Byte_To_PS2_Port(0xf0);
//Send_1Byte_To_PS2_Port(0x58);
if(TRead_PS2_Port(20)==1)
{
Emluator_RS232(Key_Reciver_Buffer);while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
}
while(S_Timing<5) {WDT_CONTR=0x37;}
S_Timing=0;
}
*/
////==================================================================================================
//*
while(1)
{
if(MCR_SDA ==0 )
{
//说明，刷卡后MCR_SDA信号会维持330毫秒的低电平时间共检测
WDT_CONTR=0x37;
Read_MegaCARD();
WDT_CONTR=0x37;
Process_nCard();
}
WDT_CONTR=0x37;
k=Read_LKB_Data(1);
if(k!=0)
{
while(Send_1Byte_To_PS2_Port(k)==0) {}
//Emluator_RS232(k);
}
if(TRead_PS2_Port(1)==1) //
{
switch(Key_Reciver_Buffer)
{
case 0xff:
{
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
while(Send_1Byte_To_PS2_Port(0xaa)==0) {}
Send_LKB_Data(0xff);
break;
}
case 0xfe:
{
while(Send_1Byte_To_PS2_Port(Last_Send_To_Ps2_Word)==0) {}
break;
}
case 0xfd:
{
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
break;
}
case 0xfc:
{
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
break;
}
case 0xfb:
{
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
break;
}
case 0xfa:
{
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
break;
}
case 0xf9:
{
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
break;
}
case 0xf8:
{
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
break;
}
case 0xf7:
{
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
break;
}
case 0xf6:
{
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
break;
}
case 0xf5:
{
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
break;
}
case 0xf4:
{
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
break;
}
case 0xf3:
{
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
if(TRead_PS2_Port(20)==1)
{
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
}
break;
}
case 0xf2:
{
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
while(Send_1Byte_To_PS2_Port(0xab)==0) {}
while(Send_1Byte_To_PS2_Port(0x83)==0) {}
break;
}
case 0xf0:
{
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
if(TRead_PS2_Port(20)==1)
{
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
}
break;
}
case 0xee:
{
while(Send_1Byte_To_PS2_Port(0xee)==0) {}
break;
}
case 0xed:
{
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
if(TRead_PS2_Port(20)==1)
{
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
if(Key_Reciver_Buffer<8)
{
Caps_Scroll_Num_Status=Key_Reciver_Buffer;
}
}
while(Read_LKB_Data(30)!=0) {}
Send_LKB_Data(0xed);
if(Read_LKB_Data(200)==0xfa)
{
Send_LKB_Data(Caps_Scroll_Num_Status);
if(Read_LKB_Data(200)==0xfa) break;
else
{
Send_LKB_Data(0xff);
break;
}
}
else
{
Send_LKB_Data(0xff);
}
break;
}
//如果是读取按键定义命令
case 0xec:
{
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
Send_Recode_To_Ps2();
break;
}
//如果是按键定义包
case 0xeb:
{
RD_PRO_eb_Frame();
break;
}
//如果是键盘属性包
case 0xea:
{
RD_PRO_ea_Frame();
break;
}
default:
{
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
break;
}
}
}
WDT_CONTR=0x37;
ScanKey();
WDT_CONTR=0x37;
Process_Key();
WDT_CONTR=0x37;
if((Key_Send_Buffer_Point!=Key_Send_Buffer_PlacPoint)&&(Key_Send_Buffer_PlacPoint!=0))
{
k=ReadByteFromBuffer(Key_Send_Buffer_Point);
SPI45DB041_CS=1;
while(Send_1Byte_To_PS2_Port(k)==0) {}
Key_Send_Buffer_Point++;
if(Key_Send_Buffer_Point>=Key_Send_Buffer_PlacPoint)
{
Key_Send_Buffer_Point=0;
Key_Send_Buffer_PlacPoint=0;
}
}
Read_Lock();
}
//*/
}
//=========================================
//第1档：0xfd
//第2档：0xfe
//第3档：0x7f
//第4档：0xbf
//第5档：0xdf
//第6档：0xef
//第7档：0xf7
//第8档：0xfb
//第9档：0xff
void Read_Lock(void) //
{
unsigned char i;
if(Key_Send_Buffer_PlacPoint!=0) return;
LOCK_1=0;
Delay_uS_Time(5);
P0=0xff;
i=P0;
if(((i==0xfd)||(i==0xfe)||(i==0x7f)||(i==0xbf)||(i==0xdf)||(i==0xef)||(i==0xf7)||(i==0xfb))&&(i!=Lock_Lum))
{
Lock_Lum=i;
for(i=0;i<7;i++)
{
if(Lock_Lum==LOCK_VOL[i]) break;
}
if(Keycoded_Table==0)
{
Process_MakeCode(128+i);
}
}
LOCK_1=1;
}
//只上传键定义编码部分
void Send_Recode_To_Ps2(void)
{
unsigned char i;
unsigned char j;
unsigned char k;
if(TRead_PS2_Port(40)==1)
{
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
if(Key_Reciver_Buffer==135)
{
WDT_CONTR=0x37;
ReadOnePageToBuffer(SYSTEM_PARA_PAGE_FLASH);
i=ReadByteFromBuffer(SYSYTEM_STATUS_BYTE);
SPI45DB041_CS=1;
while(Send_1Byte_To_PS2_Port(0xb8)== 0) {} //
while(Send_1Byte_To_PS2_Port(0xb7)== 0) {} //
while(Send_1Byte_To_PS2_Port(0xa5)==0) {} //
while(Send_1Byte_To_PS2_Port(0xb0)== 0) {}
while(Send_1Byte_To_PS2_Port(((~(i>>4))&0x0f)+0xb0)==0) {}
while(Send_1Byte_To_PS2_Port(0xb0)== 0) {}
while(Send_1Byte_To_PS2_Port(((~i)&0x0f)+0xb0)==0) {}
while(Send_1Byte_To_PS2_Port(0xb0)== 0) {} //
while(Send_1Byte_To_PS2_Port(0xb0)== 0) {}
while(Send_1Byte_To_PS2_Port(0xe8)==0) {} //结束符
}
else
{
WDT_CONTR=0x37;
ReadOnePageToBuffer(Key_Reciver_Buffer);
while(Send_1Byte_To_PS2_Port(((Key_Reciver_Buffer&0xf0)>>4)+0xb0)== 0) {} //
while(Send_1Byte_To_PS2_Port((Key_Reciver_Buffer&0x0f)+0xb0)== 0) {} //
while(Send_1Byte_To_PS2_Port(0xa5)==0) {} //
k=ReadByteFromBuffer(0x0);
while(Send_1Byte_To_PS2_Port((((k&0xf0)>>4)+0xb0))==0) {} //
while(Send_1Byte_To_PS2_Port(((k&0x0f)+0xb0))==0) {} //
if((k!=0x0)&&(k!=0xff))
{
for(j=0;j<255;j++)
{
WDT_CONTR=0x37;
k=ReadNextFromBuffer();
while(Send_1Byte_To_PS2_Port((((k&0xf0)>>4)+0xb0))==0) {} //
while(Send_1Byte_To_PS2_Port(((k&0x0f)+0xb0))==0) {} //
if((k==0x0)||(k==0xff)) break;
}
}
SPI45DB041_CS=1;
while(Send_1Byte_To_PS2_Port(0xe8)==0) {} //结束符
}
}
}
//===========================================读并处理0x00包==============================================
// 数据格式：EA 06 03 0F CHKH CHKL
// 03字节：Bit7
// Bit6
// Bit5
// Bit4
// Bit3 1=Tr1_Enable
// Bit2 1=Beep_Nop_Key
// Bit1 1=Send_Break_Code
// Bit0 1=Beep__Enable
// 0F字节：Bit7
// Bit6
// Bit5
// Bit4
// Bit3 1=Tr3_Enable
// Bit2 1=Tr2_Enable
// Bit1 1=Send_Enter
// Bit0 1=Send_Format_Code
//接收的这两个字节整合后取反存在Flash中，考虑到041出厂时是1状态，所以这些状态标识在RAM中和Flash中是相反的
//=======================================================================================================
void RD_PRO_ea_Frame(void)
{
unsigned char i;
unsigned char Reciver_Ok;
Reciver_Ok=1;
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
for(i=0;i<(6-1);i++)
{
if(TRead_PS2_Port(40)==1) //规定30毫秒内读下一个字节，未读到返回
{
WDT_CONTR=0x37;
TEMP_DATA[i]=Key_Reciver_Buffer;
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
}
else
{
Reciver_Ok=0;
break;
}
}
PS2_TXD=0;
//校验
if(Reciver_Ok==1)
{
Reciver_Ok=0;
if(Reciver_Data_Check(0xea)==1) Reciver_Ok=1;
}
if(Reciver_Ok==1)
{
System_Status_Reg=(((TEMP_DATA[1]<<4)&0xf0)|(TEMP_DATA[2]&0x0f)); //保存设置
ReadOnePageToBuffer(SYSTEM_PARA_PAGE_FLASH);
WriteOneByteToBuffer(SYSYTEM_STATUS_BYTE,(~System_Status_Reg));
SPI45DB041_CS=1;
WriteBufferToPageWithErase(SYSTEM_PARA_PAGE_FLASH);
}
PS2_TXD=1;
if(Reciver_Ok==1) while(Send_1Byte_To_PS2_Port(0xe8)==0) {} //最后一个字节要等处理完数据后再返回上位机0xfa
else while(Send_1Byte_To_PS2_Port(0xe7)==0) {}
}
//=======================================读并处理0xeb包============================================
/*
EB 0C 00 00 00 58 1C 1B 1C 00 01 A2 EB 0C 00 00 00 58 1C 1B 1C 00 01 A2 ED EB 08 01 00 00 00 00 F4 14 15 16 14 15 16 14 15 16 14 15 14 15 14 15 14 15 14 15 14 15 14 15 14 15 16 14 15 14 15 16 19 14 15
*/
void RD_PRO_eb_Frame(void)
{
bit Reciver_Ok;
unsigned char i;
unsigned int k;
Reciver_Ok=0;
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
if(TRead_PS2_Port(40)==1)
{
TEMP_DATA[0]=Key_Reciver_Buffer;
k=Key_Reciver_Buffer; //长度字节
Reciver_Ok=1;
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
for(i=0;i<3;i++)
{
if(TRead_PS2_Port(40)==1)
{
WDT_CONTR=0x37;
TEMP_DATA[i+1]=Key_Reciver_Buffer;
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
}
else
{
Reciver_Ok=0;
break;
}
}
if(Reciver_Ok==1)
{
//从这里开始读编码
Reciver_Ok=0;
if(TRead_PS2_Port(30)==1)
{
WDT_CONTR=0x37;
while(Send_1Byte_To_PS2_Port(0xfa)==0) {}
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