diff options
Diffstat (limited to 'blink')
| -rw-r--r-- | blink/Makefile | 44 | ||||
| -rw-r--r-- | blink/blink.c | 100 |
2 files changed, 144 insertions, 0 deletions
diff --git a/blink/Makefile b/blink/Makefile new file mode 100644 index 00000000..1f18f529 --- /dev/null +++ b/blink/Makefile @@ -0,0 +1,44 @@ +CC=sdcc +NO_OPT=--nogcse --noinvariant --noinduction --nojtbound --noloopreverse \ + --nolabelopt --nooverlay --peep-asm +DEBUG=--debug + +CFLAGS=--model-large $(DEBUG) --less-pedantic \ + --no-peep --int-long-reent --float-reent \ + --data-loc 0x30 + +LDFLAGS=-L/usr/share/sdcc/lib/large --out-fmt-ihx +LDFLAGS_RAM=$(LDFLAGS) --code-loc 0xf000 --xram-loc 0xf400 --xram-size 1024 + +LDFLAGS_FLASH=$(LDFLAGS) --code-loc 0x0000 --xram-loc 0xf000 --xram-size 1024 + +SRC=blink.c +ADB=$(SRC:.c=.adb) +ASM=$(SRC:.c=.asm) +LNK=$(SRC:.c=.lnk) +LST=$(SRC:.c=.lst) +REL=$(SRC:.c=.rel) +RST=$(SRC:.c=.rst) +SYM=$(SRC:.c=.sym) + +PROGS=blink-flash.ihx blink-ram.ihx +PCDB=$(PROGS:.ihx=.cdb) +PLNK=$(PROGS:.ihx=.lnk) +PMAP=$(PROGS:.ihx=.map) +PMEM=$(PROGS:.ihx=.mem) +PAOM=$(PROGS:.ihx=) + +%.rel : %.c + $(CC) -c $(CFLAGS) -o$*.rel $< + +all: $(PROGS) + +blink-ram.ihx: $(REL) Makefile + $(CC) $(LDFLAGS_RAM) $(CFLAGS) -o blink-ram.ihx $(REL) + $(CC) $(LDFLAGS_FLASH) $(CFLAGS) -o blink-flash.ihx $(REL) + +blink-flash.ihx: blink-ram.ihx + +clean: + rm -f $(ADB) $(ASM) $(LNK) $(LST) $(REL) $(RST) $(SYM) + rm -f $(PROGS) $(PCDB) $(PLNK) $(PMAP) $(PMEM) $(PAOM) diff --git a/blink/blink.c b/blink/blink.c new file mode 100644 index 00000000..907c82b8 --- /dev/null +++ b/blink/blink.c @@ -0,0 +1,100 @@ +/* + * 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 */ + } +} |