Question

我已经开始将我的一些atmega代码移动到静态库中，以便将来使用。使用该库存在一些问题。我已经编译并链接了它，它可以运行。问题在于USART函数需要一个数组作为输入，似乎只是向我的com端口发送噪声。在将代码放入静态库中之前，它运行良好。

Makefile库

## General Flags
PROJECT = june
MCU = atmega328p
TARGET = libJune.a
CC = avr-g++
F_CPU   :=  1200000LL

## Options common to compile, link and 
assembly rules
COMMON = -fpack-struct -fshort-enums - 
funsigned-char -funsigned-bitfields - 
mmcu=$(MCU) -DF_CPU=$(F_CPU)

## Compile options common for all C 
compilation units.
CFLAGS = $(COMMON)
CFLAGS += -Wall -Os -MD -MP -MT -MF
#CFLAGS += -MD -MP -MT $(*F).o -MF 
dep/$(@F) 

## Objects that must be built in order 
to link
OBJECTS := adc.o pwm.o message.o 
messagehandler.o 
messagetranslationsenter.o usart.o

## Build
all: $(TARGET)

## Compile
adc.o: adc.cpp
$(CC) $(INCLUDES) $(CFLAGS) -c $<

pwm.o: pwm.cpp
$(CC) $(INCLUDES) $(CFLAGS) -c $<

message.o: message.cpp
$(CC) $(INCLUDES) $(CFLAGS) -c $<

messagehandler.o: messagehandler.cpp
$(CC) $(INCLUDES) $(CFLAGS) -c $<

messagetranslationsenter.o: 
messagetranslationsenter.cpp
$(CC) $(INCLUDES) $(CFLAGS) -c $<

usart.o: usart.cpp
$(CC) $(INCLUDES) $(CFLAGS) -c $<

## Archive into a library file (.a)
$(TARGET): $(OBJECTS)
avr-ar -r $(TARGET) $(OBJECTS)

## Clean target
.PHONY: clean
clean:
-rm -rf $(OBJECTS) $(TARGET) #dep/*

Makefile程序

# the GNU make program
#

VERSION      := 0.1
PROGRAM_NAME := heater$(VERSION)


# Chip and programmer 
DEVICE_PROGRAMMER := usbtiny
CPU_AVRDUDE := m328p

MCU     := atmega328p
F_CPU       :=  1200000LL


LIB_PATH    := $(JUNE_ROOT)/avr
LIBS        := -lJune -lm
INCLUDES    := -I$(JUNE_ROOT)/avr

# FLAGS
CF      := -c -Os -fpack-struct - fshort-enums -funsigned-char -funsigned- bitfields -mmcu=$(MCU) -DF_CPU=$(F_CPU) 
$(INCLUDES)
LF      := -Os -MD -MP -mmcu=$(MCU) -MT -static -L$(LIB_PATH) $(LIBS)
# TOOLS
CC          := avr-g++
avrdude     ?= avrdude


OBJECTS = main.o


all: $(PROGRAM_NAME)

main.o: main.cpp
$(CC) $(CF) -c $<

$(PROGRAM_NAME): $(OBJECTS)
$(MAKE) -C $(JUNE_ROOT)/avr
$(CC) -o $(PROGRAM_NAME) $(OBJECTS) 
$(LF)


$(PROGRAM_NAME).hex: $(PROGRAM_NAME)
avr-objcopy -O ihex -R .eeprom 
$(PROGRAM_NAME) $(PROGRAM_NAME).hex

.PHONY: flash
flash: programmedDevice


clean:
    -rm -f *.o *.hex *.elf 
programmedDevice_*.time

programmedDevice:  $(PROGRAM_NAME).hex
$(avrdude) -c $(DEVICE_PROGRAMMER) -p 
$(CPU_AVRDUDE) -v -U 
flash:w:$(PROGRAM_NAME).hex
touch programmedDevice_$(CPU_GCC).time

$(PROGRAM_NAME)_$(CPU_GCC).hex: 
$(Ofiles)
$(CC) $(LF) -o 
$(PROGRAM_NAME)_$(CPU_GCC).elf 
$(Ofiles)
$(avr_objcopy) -j .text -j .data -O 
ihex  $(PROGRAM_NAME)_$(CPU_GCC).elf  
$(PROGRAM_NAME)_$(CPU_GCC).hex

clean:
    -rm -f *.o *.hex *.elf 
programmedDevice_*.time
$(MAKE) -C $(JUNE_ROOT)/avr  clean

dumpchip_srec: 
    $(avrdude) -c $(DEVICE_PROGRAMMER) 
-p $(CPU_AVRDUDE) -U 
lfuse:r:lfuse_$(CPU_GCC).hex:i -U 
hfuse:r:hfuse_$(CPU_GCC).hex:i -U 
efuse:r:efuse_$(CPU_GCC).hex:i -U 
eeprom:r:eeprom_$(CPU_GCC).hex:i -U 
flash:r:flash_$(CPU_GCC).hex:i -U 
lock:r:lock_$(CPU_GCC).hex:i -U 
signature:r:sig_$(CPU_GCC).hex:i 

dumpchip: 
$(avrdude) -c $(DEVICE_PROGRAMMER) -p 
$(CPU_AVRDUDE) -U 
lfuse:r:lfuse_$(CPU_GCC).bin:r -U 
hfuse:r:hfuse_$(CPU_GCC).bin:r -U 
eeprom:r:eeprom_$(CPU_GCC).bin:r -U 
flash:r:flash_$(CPU_GCC).bin:r -U 
lock:r:lock_$(CPU_GCC).bin:r -U 
signature:r:sig_$(CPU_GCC).bin:r -U 
efuse:r:efuse_$(CPU_GCC).bin:r 

check:
    $(avrdude) -v -c 
$(DEVICE_PROGRAMMER) -p $(CPU_AVRDUDE)

这是测试软件的一部分，它从静态库中调用usart函数，但是我也只能从它发送数据的com端口读取噪声。

while(true)
{
    //
    USART_putstring("Test");
    _delay_ms(5000);
}

我认为我找不到找不到的编译器标志。如果我将usart文件添加到程序并进行编译，则一切运行正常。问题是将文件放在静态库中时。

编辑：

当我将定义F_CPU放在源文件中而不是Makefile中的-DF_CPU = $（F_CPU）时，它起作用

atmega328静态库的问题

0 个答案: