. - .
| Sym<0x20 |
| Sym=0x0C |
| DispPos=0 |
| Sym=0x0D |
| DispPos &= 0x10 |
| WriteComm((DispPos<<2)|0x80) |
| Sym >0x7F |
| Sym = Table[Sym & 0x7F] |
| WaitReady() |
| WriteDataAddr = Sym |
| DispPos++ |
| DispPos &= 0xF |
. - .
, , , . , . , , . .
, . : MAIN , INIT(), WaitReady(), WriteComm(), WriteData(). , _WDR() .
.
#include <io2313.h> // 90S2313
#include <ina90.h> // 90Sxxxx
#define DispBASE 0x010000/* 1 -
, DispBASE =0000 */
#define ReadStateAddr (*(char *) (DispBASE+0x800)) /* =0200h*/
#define WriteCommAddr (*(char *) (DispBASE+0x000)) /* =0000h*/
#define ReadDataAddr (*(char *) (DispBASE+0xC00)) /* =0300h*/
#define WriteDataAddr (*(char *) (DispBASE+0x400))/* =0100h*/
char DispPos; /* - */
/*********************************************************************************/
void main(void)
{
INIT(); //
_SEI(); //
//
while (1)
{
_WDR(); //
}
}
/*********************************************************************************/
void INIT(void) //
{
TCCR1A = 0x00;
TCCR1B = 0x14;
TIMSK |= Bit(MskTIE1); // 1 -
|
|
|
GIMSK |= Bit(MskInt0); // INT0 -
WDTCR = 0x0F; // WATCHDOG
//
DDR = 0xFF; //11111111 0...7-
PORTD = 0x00; //
}
/****************************************************************************/
/* */
void WaitReady(void)
{
while (ReadStateAddr & 0x80); /* */
}
/****************************************************************************/
/* */
void WriteComm(char Cmd)
{
WaitReady();
WriteCommAddr = Cmd; /* */
}
/* */
code const char Table[128] = (0x41,0xA0,0x42,0xA1,0xE0,0x45,0xA3,0xA4, 0xA5,0xA6,0x4B,0xA7,0x4D,0x48,0x4F,0xA8,
0x50,0x43,0x54,0xA9,0xAA,0x58,0xE1,0xAB, 0xAC,0xE2,0xAD,0xAE,0x62,0xAF,0xB0,0xB1,
0x61,0xB2,0xB3,0xB4,0xE3,0x65,0xB6,0xB7, 0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0x6F,0x6E,
0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7, 0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF,
0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7, 0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,
0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7, 0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF,
0x70,0x63,0xBF,0x79,0xE4,0x78,0xE5,0xC0, 0xC1,0xE6,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,
0xA2,0xB5,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,
0xEA,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF);
/****************************************************************************/
/* */
void WriteData(char Sym) /* Sym - ASCII */
{
if (Sym < 0x20) /* */
{
switch (Sym)
{
case 0x0C: /* */
WriteComm(0x01); /* */
DispPos=0; /* */
break;
case 0x0D: /* */
DispPos &= 0x10; /* */
WriteComm((DispPos<<2)|0x80); /* */
break;
}
}
else /* */
{
if (Sym >0x7F) /* ASCII ? */
Sym = Table[Sym & 0x7F]; /* */
WaitReady(); /* */
WriteDataAddr = Sym; /* */
DispPos++; DispPos &= 0xF; /*
015, .. 15 0*/
}
else /* */
{
if (Sym >0x30 && Dat <0x39) /* ? */
WaitReady(); /* */
WriteDataAddr = Sym; /* */
DispPos++; DispPos &= 0xF; /*
015, .. 15 0 */
}
}
.
1. .. . .- -: , 2003.
2. . . 2- . .: , 2001.
3. .. AVR Classic ATMEL. .: XXI 2002.
