 Разработка, производство и продажа радиоэлектронной аппаратуры  |
Требуется программист в Зеленограде
- обработка данных с датчиков; ColdFire; 40 тыс. e-mail:jobsmp@pochta.ru |
void NAND_Command_Latch(byte command)
{
if(NAND_Chip)
XBYTE[_NAND_Command_Latch_Chip1]=command;
else
XBYTE[_NAND_Command_Latch_Chip2]=command;
//NAND_CLE_Pin=1;
//Write_NAND(command);
//NAND_CLE_Pin=0;
}//void NAND_Command_Latch(byte command);
void NAND_Set_Addr(bit f)
{
if(NAND_Chip)
{
if (f)
NAND_CS_1_Block=NAND_CS_Block_Enable;
XBYTE[_NAND_Addr_Latch_Chip1]=NAND_iData.Addres.b[b1];
XBYTE[_NAND_Addr_Latch_Chip1]=NAND_iData.Addres.b[b2];
XBYTE[_NAND_Addr_Latch_Chip1]=NAND_iData.Addres.b[b3];
XBYTE[_NAND_Addr_Latch_Chip1]=NAND_iData.Addres.b[b4]&NAND_Mask_Hi_b;
}
else
{
if (f)
NAND_CS_2_Block=NAND_CS_Block_Enable;
XBYTE[_NAND_Addr_Latch_Chip2]=NAND_iData.Addres.b[b1];
XBYTE[_NAND_Addr_Latch_Chip2]=NAND_iData.Addres.b[b2];
XBYTE[_NAND_Addr_Latch_Chip2]=NAND_iData.Addres.b[b3];
XBYTE[_NAND_Addr_Latch_Chip2]=NAND_iData.Addres.b[b4]&NAND_Mask_Hi_b;
}
//while(!NAND_Busy_Pin);// LED_Work=~LED_Work; //æä¸ì ãîòîâíîñòè
//while(NAND_RD_Status()!=0xC0);//æä¸ì ãîòîâíîñòè
NAND_CS_2_Block=NAND_CS_Block_Disable;
NAND_CS_1_Block=NAND_CS_Block_Disable;
}//void NAND_Set_Addr()
bit NAND_Write(bit f_set_block,bit f_done_write,char* idata buf)
{
byte idata command;
//while(NAND_RD_Status()!=0xC0);//æä¸ì ãîòîâíîñòè
while(!NAND_Busy_Pin);//æä¸ì ãîòîâíîñòè
if(f_set_block)
{
NAND_Set_Block();
//???????????????????????????????????????????????????????
/* if(NAND_Block_C)
{
command=_NAND_Page_C;
}
else
{
if(NAND_Block)
command=_NAND_Page_B;
else
command=_NAND_Page_A;
}
NAND_Command_Latch(command);
*/
//???????????????????????????????????????????????????????
NAND_Command_Latch(_NAND_Write_1cycle);
NAND_Set_Addr(0);
}//if(f_set_block)
//LED_Work=1; //æä¸ì ãîòîâíîñòè
if(NAND_Chip)
{
for(;NAND_iData.Count-->0;)
{
XBYTE[_NAND_Data_Rd_Wr_Chip1]=*buf++;
}
}
else
{
for(;NAND_iData.Count-->0;)
{
XBYTE[_NAND_Data_Rd_Wr_Chip2]=*buf++;
}
}
//Write_NAND(*buf++);
//LED_Work=0;
if(f_done_write)
{
NAND_Command_Latch(_NAND_True);//(_NAND_True);
Delay_uS(10);
while(!NAND_Busy_Pin);// LED_Work=~LED_Work; //æä¸ì ãîòîâíîñòè
//P10=1;
NAND_Command_Latch(_NAND_Read_Status);
Delay_uS(10);
if(NAND_Chip)
{
command=XBYTE[_NAND_Data_Rd_Wr_Chip1];
}
else
{
command=XBYTE[_NAND_Data_Rd_Wr_Chip2];
}
//P10=0;//æä¸ì ãîòîâíîñòè
//while(TI_0);
//SBUF0=command;//
//Count_write_Block++;
}//if(f_set_block)
return(command);
//return(command&1);
}//void NAND_Write(byte command,int count,byte* buf,union long_char addr)
//byte NAND_Read()
byte NAND_Read(bit f_set_block,char* idata buf)
{
byte idata crt=0;
byte idata temp;
byte idata command;
while(!NAND_Busy_Pin);//æä¸ì ãîòîâíîñòè
if(f_set_block)
{
NAND_Set_Block();
}//if(f_set_block)
if(NAND_Block_C)
{
command=_NAND_Page_C;
}
else
{
if(NAND_Block)
command=_NAND_Page_B;
else
command=_NAND_Page_A;
}
NAND_Command_Latch(command);//(command);
//NAND_CS_1_Block=NAND_CS_Block_Enable;
NAND_Set_Addr(1);
Delay_uS(10);
while(!NAND_Busy_Pin);// LED_Work=~LED_Work; //æä¸ì ãîòîâíîñòè
//NAND_CS_1_Block=NAND_CS_Block_Disable;
for(;NAND_iData.Count-->0;)
{
if(NAND_Chip)
{
temp=XBYTE[_NAND_Data_Rd_Wr_Chip1];
}
else
{
temp=XBYTE[_NAND_Data_Rd_Wr_Chip2];
}
//Read_NAND(temp);
*buf++=temp;
crt^=temp;
}////for(;NAND_iData.Count-->0;)
NAND_Command_Latch(_NAND_Read_Status);
Delay_uS(10);
if(NAND_Chip)
{
command=XBYTE[_NAND_Data_Rd_Wr_Chip1];
}
else
{
command=XBYTE[_NAND_Data_Rd_Wr_Chip2];
}
//while(TI_0);
//SBUF0=command;
return(crt);
}//void NAND_Read1()
