From d7bda89e596d43e5a9920269612f992e92d5ada3 Mon Sep 17 00:00:00 2001
From: Michael Gernoth <michael@gernoth.net>
Date: Sun, 22 Aug 2010 12:10:14 +0200
Subject: [PATCH] first bits for AVR BMC firmware

---
 bmc/Makefile | 26 ++++++++++++++++++++++++++
 bmc/bmc.c    | 24 ++++++++++++++++++++++++
 2 files changed, 50 insertions(+)
 create mode 100644 bmc/Makefile
 create mode 100644 bmc/bmc.c

diff --git a/bmc/Makefile b/bmc/Makefile
new file mode 100644
index 0000000..85ecb0b
--- /dev/null
+++ b/bmc/Makefile
@@ -0,0 +1,26 @@
+CC=avr-gcc
+CFLAGS=-mmcu=atmega16 -g
+OBJCOPY=avr-objcopy
+PROG=dragon_jtag
+PORT=usb
+PMCU=m16
+
+all: bmc.bin
+
+bmc: bmc.o
+
+bmc.bin: bmc
+	$(OBJCOPY) -j .text -j .data -O binary $^ $@
+
+flash: bmc.bin
+	avrdude -v -c $(PROG) -P $(PORT) -p $(PMCU) -U flash:w:$^
+
+debug: bmc bmc.bin
+	setsid avarice -g -D :4242
+	-avr-gdb -ex 'target remote localhost:4242' bmc
+	-pkill avarice
+
+clean:
+	-rm -f *.o bmc bmc.bin
+
+.PHONY: all clean flash debug
diff --git a/bmc/bmc.c b/bmc/bmc.c
new file mode 100644
index 0000000..06a3829
--- /dev/null
+++ b/bmc/bmc.c
@@ -0,0 +1,24 @@
+#define F_CPU 1000000UL
+
+#include <avr/io.h>
+
+int main(void)
+{
+	uint8_t pb = 0x00;
+	int8_t dir = 1;
+	volatile uint16_t i;
+
+	DDRB = 0xff;
+
+	while(1) {
+		pb += dir;
+		PORTB = pb;
+
+		for (i = 0; i < (pb<<5); i++) {}
+
+		if ((pb == 0) || (pb == 0xff))
+			dir = -dir;
+	}
+
+	return 0;
+}
-- 
2.39.5