101 lines
1.8 KiB
C
101 lines
1.8 KiB
C
/*
|
|
* Copyright © 2008 Keith Packard <keithp@keithp.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
|
|
*/
|
|
|
|
sfr at 0x80 P0;
|
|
sfr at 0x90 P1;
|
|
sfr at 0xA0 P2;
|
|
sfr at 0xC6 CLKCON;
|
|
|
|
sfr at 0xF1 PERCFG;
|
|
sfr at 0xF2 ADCCFG;
|
|
sfr at 0xF3 P0SEL;
|
|
sfr at 0xF4 P1SEL;
|
|
sfr at 0xF5 P2SEL;
|
|
|
|
sfr at 0xFD P0DIR;
|
|
sfr at 0xFE P1DIR;
|
|
sfr at 0xFF P2DIR;
|
|
sfr at 0x8F P0INP;
|
|
sfr at 0xF6 P1INP;
|
|
sfr at 0xF7 P2INP;
|
|
|
|
sfr at 0x89 P0IFG;
|
|
sfr at 0x8A P1IFG;
|
|
sfr at 0x8B P2IFG;
|
|
|
|
#define nop() _asm nop _endasm;
|
|
|
|
void
|
|
delay (unsigned char n)
|
|
{
|
|
unsigned char i = 0, j = 0;
|
|
|
|
n <<= 1;
|
|
while (--n != 0)
|
|
while (--j != 0)
|
|
while (--i != 0)
|
|
nop();
|
|
}
|
|
|
|
void
|
|
dit() {
|
|
P1 = 0xff;
|
|
delay(1);
|
|
P1 = 0xfd;
|
|
delay(1);
|
|
}
|
|
|
|
void
|
|
dah () {
|
|
P1 = 0xff;
|
|
delay(3);
|
|
P1 = 0xfd;
|
|
delay(1);
|
|
}
|
|
|
|
void
|
|
charspace () {
|
|
delay(2);
|
|
}
|
|
|
|
void
|
|
wordspace () {
|
|
delay(8);
|
|
}
|
|
|
|
#define _ dit();
|
|
#define ___ dah();
|
|
#define C charspace();
|
|
#define W wordspace();
|
|
|
|
main ()
|
|
{
|
|
CLKCON = 0;
|
|
/* Set p1_1 to output */
|
|
P1DIR = 0x02;
|
|
P1INP = 0x00;
|
|
P2INP = 0x00;
|
|
for (;;) {
|
|
___ _ ___ _ C ___ ___ _ ___ W /* cq */
|
|
___ _ _ C _ W /* de */
|
|
___ _ ___ C ___ _ _ C /* kd */
|
|
___ ___ _ _ _ C _ _ _ C /* 7s */
|
|
___ ___ _ ___ C ___ ___ _ W /* qg */
|
|
}
|
|
}
|