Add telemetrum beeper example

2 files changed, 135 insertions, 0 deletions

diff --git a/target/beep/Makefile b/target/beep/Makefile
new file mode 100644
index 00000000..8f600b4a
--- /dev/null
+++ b/target/beep/Makefile
@@ -0,0 +1,46 @@
+CC=sdcc
+NO_OPT=--nogcse --noinvariant --noinduction --nojtbound --noloopreverse \
+	--nolabelopt --nooverlay --peep-asm
+DEBUG=--debug
+
+CFLAGS=--model-large $(DEBUG) --less-pedantic \
+	--no-peep --int-long-reent --float-reent \
+	--data-loc 0x30
+
+LDFLAGS=--out-fmt-ihx
+LDFLAGS_RAM=$(LDFLAGS) --code-loc 0xf000 --xram-loc 0xf400 --xram-size 1024
+
+LDFLAGS_FLASH=$(LDFLAGS) --code-loc 0x0000 --xram-loc 0xf000 --xram-size 1024
+
+SRC=beep.c
+ADB=$(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=beep-flash.ihx beep-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)
+
+beep-ram.ihx: $(REL) Makefile
+	$(CC) $(LDFLAGS_RAM) $(CFLAGS) -o beep-ram.ihx $(REL)
+	$(CC) $(LDFLAGS_FLASH) $(CFLAGS) -o beep-flash.ihx $(REL)
+
+beep-flash.ihx: beep-ram.ihx
+
+clean:
+	rm -f $(ADB) $(ASM) $(LNK) $(LST) $(REL) $(RST) $(SYM)
+	rm -f $(PROGS) $(PCDB) $(PLNK) $(PMAP) $(PMEM) $(PAOM)
+
+install:
diff --git a/target/beep/beep.c b/target/beep/beep.c
new file mode 100644
index 00000000..08422082
--- /dev/null
+++ b/target/beep/beep.c
@@ -0,0 +1,89 @@
+/*
+ * 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;
+
+	n <<= 1;
+	while (--n != 0)
+		while (--i != 0)
+			nop();
+}
+
+void
+tone (unsigned char n, unsigned char m)
+{
+	unsigned char	i = 0;
+	while (--m != 0) {
+		while (--i != 0) {
+			P2 = 0xff;
+			delay(n);
+			P2 = 0xfe;
+			delay(n);
+		}
+	}
+}
+
+void
+high() {
+	tone(1, 2);
+}
+
+void
+low() {
+	tone(2, 1);
+}
+
+main ()
+{
+	CLKCON = 0;
+	/* Set p1_1 to output */
+	P2DIR = 0x01;
+	P1INP = 0x00;
+	P2INP = 0x00;
+	for (;;) {
+		high();
+		low();
+	}
+}