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//-------------------1602.h--------------------
//------------1602.h-------------
#define RS1 PORTB_Bit0=1
#define RS0 PORTB_Bit0=0
#define RW1 PORTB_Bit1=1
#define RW0 PORTB_Bit1=0
#define EN1 PORTB_Bit2=1
#define EN0 PORTB_Bit2=0
#define DATAPORT PORTA
#define busy 0x80
void wait()
{
uchar val;
DATAPORT=0xff;
RS0;
RW1;
__no_operation();
EN1;
__no_operation();
__no_operation();
DDRA=0x00;
val=PINA;
while(val&busy)val=PINA;
EN0;
DDRA=0xff;
}
void writecmd(uchar w)
{
wait();
RS0;
RW0;
__no_operation();
DATAPORT=w;
__no_operation();
EN1;
__no_operation();
__no_operation();
EN0;
}
void writedata(uchar data)
{
wait();
RS1;
RW0;
__no_operation();
DATAPORT=data;
__no_operation();
EN1;
__no_operation();
__no_operation();
EN0;
}
void delay_nms(uint k)
{
uint i,j;
for(i=0;i
for(j=0;j<1140;j++);
}
void init()
{
delay_nms(15);
writecmd(0x38);
delay_nms(5);
writecmd(0x38);
delay_nms(5);
writecmd(0x38);
writecmd(0x80);
writecmd(0x01);
writecmd(0x06);
writecmd(0x0c);
}
void display(uchar x,uchar y,uchar *p)
{
uchar add=0x80;
y=y&0x01;
x=x&0x0f;
if(y)add=add+0x40;
writecmd(add+x);