Initial import

firmware/Makefile

@@ -0,0 +1,84 @@
+# Name: Makefile
+# Project: Remote Sensor
+# Author: Christian Starkjohann, modified for LCD2USB by Till Harbaum
+# Creation Date: 2005-03-20
+# Tabsize: 4
+# Copyright: (c) 2005 by OBJECTIVE DEVELOPMENT Software GmbH
+# License: Proprietary, free under certain conditions. See Documentation.
+# This Revision: $Id: Makefile.avrusb,v 1.1 2007/01/14 12:12:27 harbaum Exp $
+
+# DEFINES += -DBWCT_COMPAT 
+# DEFINES += -DDEBUG_LEVEL=1
+DEFINES += -DF_CPU=12000000
+COMPILE = avr-gcc -Wall -O2 -Iusbdrv -I. -mmcu=atmega8 $(DEFINES)
+
+OBJECTS = usbdrv/usbdrv.o usbdrv/usbdrvasm.o usbdrv/oddebug.o main.o lcd.o
+
+
+# symbolic targets:
+all:	firmware.hex
+
+.c.o:
+	$(COMPILE) -c $< -o $@
+
+.S.o:
+	$(COMPILE) -x assembler-with-cpp -c $< -o $@
+# "-x assembler-with-cpp" should not be necessary since this is the default
+# file type for the .S (with capital S) extension. However, upper case
+# characters are not always preserved on Windows. To ensure WinAVR
+# compatibility define the file type manually.
+
+.c.s:
+	$(COMPILE) -S $< -o $@
+
+flash:	all
+	avrdude -c usbasp -p atmega8 -U lfuse:w:0x9f:m -U hfuse:w:0xc9:m -U flash:w:firmware.hex
+
+flash-nodep:
+	avrdude -c usbasp -p atmega8 -U lfuse:w:0x9f:m -U hfuse:w:0xc9:m -U flash:w:firmware.hex
+
+# Fuse high byte:
+# 0xc9 = 1 1 0 0   1 0 0 1 <-- BOOTRST (boot reset vector at 0x0000)
+#        ^ ^ ^ ^   ^ ^ ^------ BOOTSZ0
+#        | | | |   | +-------- BOOTSZ1
+#        | | | |   + --------- EESAVE (don't preserve EEPROM over chip erase)
+#        | | | +-------------- CKOPT (full output swing)
+#        | | +---------------- SPIEN (allow serial programming)
+#        | +------------------ WDTON (WDT not always on)
+#        +-------------------- RSTDISBL (reset pin is enabled)
+# Fuse low byte:
+# 0x9f = 1 0 0 1   1 1 1 1
+#        ^ ^ \ /   \--+--/
+#        | |  |       +------- CKSEL 3..0 (external >8M crystal)
+#        | |  +--------------- SUT 1..0 (crystal osc, BOD enabled)
+#        | +------------------ BODEN (BrownOut Detector enabled)
+#        +-------------------- BODLEVEL (2.7V)
+fuse:
+	$(UISP) --wr_fuse_h=0xc9 --wr_fuse_l=0x9f
+
+
+clean:
+	rm -f firmware.lst firmware.obj firmware.cof firmware.list firmware.map firmware.eep.hex firmware.bin *.o usbdrv/*.o firmware.s usbdrv/oddebug.s usbdrv/usbdrv.s
+
+# file targets:
+firmware.bin:	$(OBJECTS)
+	$(COMPILE) -o firmware.bin $(OBJECTS)
+
+firmware.hex:	firmware.bin
+	rm -f firmware.hex firmware.eep.hex
+	avr-objcopy -j .text -j .data -O ihex firmware.bin firmware.hex
+	./checksize firmware.bin 8192 960
+# do the checksize script as our last action to allow successful compilation
+# on Windows with WinAVR where the Unix commands will fail.
+
+avrdude: firmware.hex
+	avrdude -c usbasp -p atmega8 -U lfuse:w:0x9f:m -U hfuse:w:0xc9:m -U flash:w:firmware.hex
+
+avrdude-nodep:
+	avrdude -c usbasp -p atmega8 -U lfuse:w:0x9f:m -U hfuse:w:0xc9:m -U flash:w:firmware.hex
+
+disasm:	firmware.bin
+	avr-objdump -d firmware.bin
+
+cpp:
+	$(COMPILE) -E main.c

firmware/checksize

@@ -0,0 +1,35 @@
+#!/bin/sh
+# Name: checksize
+# Project: AVR Make system
+# Author: Christian Starkjohann
+# Creation Date: 2004-12-29
+# Tabsize: 4
+# Copyright: (c) 2005 OBJECTIVE DEVELOPMENT Software GmbH.
+# Revision: $Id: checksize,v 1.1.1.1 2007/01/14 11:37:56 harbaum Exp $
+
+error=0
+codelimit=2048	# default value
+datalimit=96	# default value; leave 32 bytes for stack
+
+if [ $# -gt 1 ]; then
+	codelimit="$2"
+fi
+if [ $# -gt 2 ]; then
+	datalimit="$3"
+fi
+
+set -- `avr-size -d "$1" | awk '/[0-9]/ {print $1 + $2, $2 + $3, $2}'`
+if [ $1 -gt $codelimit ]; then
+	echo "*** code size $1 exceeds limit of $codelimit"
+	error=1
+else
+	echo "ROM: $1 bytes (data=$3)"
+fi
+if [ $2 -gt $datalimit ]; then
+	echo "*** data size $2 exceeds limit of $datalimit"
+	error=1
+else
+	echo "RAM: $2 bytes"
+fi
+
+exit $error

firmware/firmware.hex

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