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Forum: µC & Digital Electronics Transistor Tester Compiling Error


von Ronnie T. (ronnie_t) Flattr this


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Hi,

I tried compiling the source code for Transistor Tester which I found 
here:

http://www.mikrocontroller.net/articles/AVR-Transistortester

And got this error on AVR Studio.

"lcd-routines.c:114: undefined reference to `uart_putc'"



any suggestion will be appreciated..

von Boregard (Guest)


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which sources?

There are the old ones, which do not have UART at all, and you can 
download pre-configured for HW UART or Soft UART. In these the error 
should appear earlier than line 114, if at all.

So it does not help, you have to post your source here....

von Ronnie T. (ronnie_t) Flattr this


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The code I found here: 
http://viewvc.coremelt.net/viewvc/avr/semiconductor_tester/firmware/

Sorry but I can't attached the code directly here..too long..:(



when I try to compile I got this error:
1
Build started 8.2.2012 at 14:49:50
2
avr-gcc -mmcu=atmega8 -Wl,-Map=TransistorTestNew.map main.o lcd-routines.o     -o TransistorTestNew.elf
3
lcd-routines.o: In function `uart_newline':
4
D:\Desktop\tester\semiconductor_tester\firmware\default/../../../Latest/Sourcecode/lcd-routines.c:114: undefined reference to `uart_putc'
5
D:\Desktop\tester\semiconductor_tester\firmware\default/../../../Latest/Sourcecode/lcd-routines.c:115: undefined reference to `uart_putc'
6
lcd-routines.o: In function `lcd_data':
7
D:\Desktop\tester\semiconductor_tester\firmware\default/../../../Latest/Sourcecode/lcd-routines.c:32: undefined reference to `uart_putc'
8
make: *** [TransistorTestNew.elf] Error 1
9
Build failed with 3 errors and 0 warnings...


Did I missed something?


BR

von Boregard (Guest)


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Hi,

I do not use and know AVR-Studio...

But it does not use the Makefile, does it?
Because you do not link swuart.o, therefore it does not know the 
soft-uart functions.

Regards,
Boregard

von Ronnie T. (ronnie_t) Flattr this


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I found the MAKEFILE in the folder...

How did you compile yours? and what's the command?


Here is my MAKEFILE:
1
###############################################################################
2
# Makefile for the project TransistorTestNew
3
###############################################################################
4
5
## General Flags
6
PROJECT = TransistorTestNew
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# available languages are: LANG_ENGLISH, LANG_GERMAN, LANG_POLISH, LANG_CZECH, LANG_SLOWAK
8
UI_LANGUAGE = LANG_ENGLISH
9
MCU = atmega8
10
TARGET = TransistorTestNew.elf
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CC = avr-gcc
12
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# programmer type
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PROGRAMMER=jtag2isp
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PORT=usb
16
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CPP = avr-g++
18
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## Options common to compile, link and assembly rules
20
COMMON = -mmcu=$(MCU)
21
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## Compile options common for all C compilation units.
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CFLAGS = $(COMMON)
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CFLAGS += -Wall -gdwarf-2 -std=gnu99 -DF_CPU=1000000UL -Os -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
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CFLAGS += -MD -MP -MT $(*F).o -MF dep/$(@F).d
26
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## Assembly specific flags
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ASMFLAGS = $(COMMON)
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ASMFLAGS += $(CFLAGS)
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ASMFLAGS += -x assembler-with-cpp -Wa,-gdwarf2
31
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## Linker flags
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LDFLAGS = $(COMMON)
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LDFLAGS +=  -Wl,-Map=TransistorTestNew.map
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## Intel Hex file production flags
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HEX_FLASH_FLAGS = -R .eeprom -R .fuse -R .lock -R .signature
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HEX_EEPROM_FLAGS = -j .eeprom
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HEX_EEPROM_FLAGS += --set-section-flags=.eeprom="alloc,load"
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HEX_EEPROM_FLAGS += --change-section-lma .eeprom=0 --no-change-warnings
43
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## Objects that must be built in order to link
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OBJECTS = main.o lcd-routines.o swuart.o
47
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## Objects explicitly added by the user
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LINKONLYOBJECTS = 
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## Build
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all: $(TARGET) TransistorTestNew.hex TransistorTestNew.eep TransistorTestNew.lss size
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## Compile
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main.o: ./main.c
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  $(CC) $(INCLUDES) $(CFLAGS) -D$(UI_LANGUAGE) -c  $<
57
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lcd-routines.o: ./lcd-routines.c
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  $(CC) $(INCLUDES) $(CFLAGS) -c  $<
60
  
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swuart.o: ./swuart.S
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  $(CC) $(INCLUDES) $(CFLAGS) -c  $<
63
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##Link
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$(TARGET): $(OBJECTS)
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   $(CC) $(LDFLAGS) $(OBJECTS) $(LINKONLYOBJECTS) $(LIBDIRS) $(LIBS) -o $(TARGET)
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%.hex: $(TARGET)
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  avr-objcopy -O ihex $(HEX_FLASH_FLAGS)  $< $@
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%.eep: $(TARGET)
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  -avr-objcopy $(HEX_EEPROM_FLAGS) -O ihex $< $@ || exit 0
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%.lss: $(TARGET)
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  avr-objdump -h -S $< > $@
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size: ${TARGET}
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  @echo
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  @avr-size -C --mcu=${MCU} ${TARGET}
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## Clean target
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.PHONY: clean
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clean:
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  -rm -rf $(OBJECTS) TransistorTestNew.elf dep/* TransistorTestNew.hex TransistorTestNew.eep TransistorTestNew.lss TransistorTestNew.map
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## Other dependencies
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-include $(shell mkdir dep 2>/dev/null) $(wildcard dep/*)
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# device programming
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fuses-m8:
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  avrdude -c $(PROGRAMMER) -B 10.0 -p m8 -P $(PORT) -F -U lfuse:w:0x01:m -U hfuse:w:0xd9:m
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fuses-m48:
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  avrdude -c $(PROGRAMMER) -B 10.0 -p m8 -P $(PORT) -F -U lfuse:w:0x42:m -U hfuse:w:0xdc:m
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upload:
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  avrdude -c $(PROGRAMMER) -B 10.0 -p m8 -P $(PORT) -F -U flash:w:./TransistorTestNew.hex:a \
99
  -U eeprom:w:./TransistorTestNew.eep:a

von Boregard (Guest)


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Hi,

I am using Linux, and compile with the avr-gcc toolchain just running 
"make all".
But I build it ~ 2 years ago, with the "old" sources without UART.

But according to the Makefile it should still work with "make all" with 
the UART. Do not know ho to do that from AVR-Studio, since it does not 
run on Linux.

In the Makefile, $(TARGET) depends on $(OBJECTS), and $(OBJECTS) is:
1
## Objects that must be built in order to link
2
OBJECTS = main.o lcd-routines.o swuart.o
and swuart.o is build with rule:
1
swuart.o: ./swuart.S
2
  $(CC) $(INCLUDES) $(CFLAGS) -c  $<

Regards,
Boregard

von Ronnie T. (ronnie_t) Flattr this


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Thanks!

I'll update later..:-)

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