199 lines
3.9 KiB
Python
199 lines
3.9 KiB
Python
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# -*- coding: utf-8 -*-
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import os
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import sys
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import time
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'''
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修改编译脚本之后需要全编译一次
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'''
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# CC = 'gcc'
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CC = 'arm-none-eabi-gcc'
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AS = CC + ' -x assembler-with-cpp'
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HEX = 'arm-none-eabi-objcopy' + ' -O ihex'
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BIN = 'arm-none-eabi-objcopy' + ' -O binary -S'
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CSRC = []
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CINC = [
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'-Isource/cmsis',
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'-Isource/core',
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'-Isource/stm32lib/inc'
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]
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CDEF = [
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"-DSTM32F429_439xx"
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]
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ASRC = []
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BUILD_DIR = 'build'
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TARGET = 'hello'
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CFLAG = [
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"-Wall -pedantic -specs=nano.specs -mcpu=cortex-m4 -mthumb -lc -lm -lnosys -Og -Tstm32_app.ld",
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f"-Wl,-Map={BUILD_DIR}/{TARGET}.map,--cref -Wl,--gc-sections"
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]
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# 找到指定后缀的文件
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def find_type(path:str,fix:list[str]):
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dlist=os.listdir(path)
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file_list=[]
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for i in dlist:
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ps=os.path.join(path, i)
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if os.path.isdir(ps):
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file_list+=find_type(ps,fix)
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else:
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suf=ps.split('.')[-1]
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if(suf in fix):
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file_list.append(ps)
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return file_list
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'''
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将.c编译为.o文件,
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编译脚本需要实现 如果.c文件有修改 则重新编译对应文件的.o文件
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gcc -c test.c -o test.o
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输出依赖关系到.d文件
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gcc -MM main.c -o build/main.d
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'''
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def tran_path(path:str):
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p=path.replace('\\','/')
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p=p.replace('/','_')
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if(p[0]=='.'):
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return p[1:]
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else:
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return p
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# 判断是否需要重新生成
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def check_rebuild(dst:str,src:list[str]):
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if(not os.path.exists(dst)):
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return True
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dst_time=os.path.getmtime(dst)
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src_time=[]
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for i in src:
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src_time.append(os.path.getmtime(i))
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src_time.sort()
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if(src_time[-1]>dst_time):
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return True
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return False
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# 读取.d文件,返回依赖文件列表
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def read_depend_files(name:str):
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with open(name) as f:
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t=f.readline()
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t=t.split(':')[-1].strip()
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t=t.split(' ')
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# print(f"依赖列表{t}")
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return t
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# 生成依赖关系
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def build_depend(src:list[str]):
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flags=f"{' '.join(CINC)} {' '.join(CDEF)} {' '.join(CFLAG)}"
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for i in src:
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name=tran_path(i).split('.')[0]
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dst='.'.join([name,'d'])
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dst=os.path.join(BUILD_DIR,dst)
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if(check_rebuild(dst,[i])):
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cmd=f"{CC} -MM {i} -o {dst} {flags}"
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print(cmd)
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ret=os.system(cmd)
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if(ret):
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exit()
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# 生成中间文件
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def build_object(src:list[str]):
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flags=f"{' '.join(CINC)} {' '.join(CDEF)} {' '.join(CFLAG)}"
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for i in src:
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name_l=tran_path(i).split('.')
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name=name_l[0]
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file_type=name_l[-1]
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dst='.'.join([name,'o'])
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dst=os.path.join(BUILD_DIR,dst)
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cd='.'.join([name,'d'])
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cmd = ''
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if(file_type in ['c','.C']):
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cd=os.path.join(BUILD_DIR,cd)
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if(check_rebuild(dst,read_depend_files(cd))):
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cmd=f"{CC} -c {i} -o {dst} {flags}"
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elif(file_type in ['s','S','asm','ASM']):
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if(check_rebuild(dst,[i])):
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cmd=f"{AS} -c {i} -o {dst} {flags}"
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if(len(cmd)>0):
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print(cmd)
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ret=os.system(cmd)
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if(ret):
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exit()
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# 生成可执行文件
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def build_target(src:list[str]):
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flags=f"{' '.join(CINC)} {' '.join(CDEF)} {' '.join(CFLAG)}"
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obj_list=[]
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for i in src:
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name=tran_path(i).split('.')[0]
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obj_list.append(BUILD_DIR+'/'+'.'.join([name,'o']))
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dst=os.path.join(BUILD_DIR,TARGET)
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if(check_rebuild(dst,obj_list)):
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cmd=f"{CC} {' '.join(obj_list)} -o {dst} {flags}"
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print(cmd)
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ret=os.system(cmd)
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if(ret):
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exit()
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else:
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print("已是最新,无需要重新生成的目标")
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def main():
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global CSRC
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global ASRC
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CSRC+=find_type('./',['c','C'])
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ASRC+=find_type('./',['s','S','asm','ASM'])
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if(not os.path.exists(BUILD_DIR)):
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os.makedirs(BUILD_DIR)
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print("生成依赖关系")
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build_depend(CSRC)
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print("生成对象文件")
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build_object(CSRC)
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build_object(ASRC)
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print("生成目标文件")
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build_target(CSRC+ASRC)
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os.system(f"{HEX} {BUILD_DIR}/{TARGET} {BUILD_DIR}/{TARGET}.hex")
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os.system(f"{BIN} {BUILD_DIR}/{TARGET} {BUILD_DIR}/{TARGET}.bin")
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if __name__ == "__main__":
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main()
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