添加U盘升级功能

daemon/daemon.py

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+#!/usr/bin/python3
+
+import os
+import sys
+import shutil
+import threading
+import re
+import time
+
+
+
+# 定义守护进程
+
+
+
+
+
+
+
+
+
+
+
+
+# 日志文件路径
+log_filepath = '/home/root/log/daemon_log.txt' 
+
+def write_info(text:str):
+    fm = '%Y-%m-%d %X'
+    nowtime = time.strftime(fm, time.localtime())
+    with open(log_filepath, 'a') as fp:
+        fp.write(nowtime+ " | "+text+"\n")
+    print(text)
+def _do_cmd(cmd:str):
+    write_info(cmd)
+    ret = os.popen(cmd).readlines()
+    for i in range(len(ret)):
+        ret[i]=ret[i].strip()
+        write_info(ret[i])
+    return ret
+
+class auto_updata(object):
+    def __init__(self):
+        self.sd_path="/run/media/sda"
+        self.file_path=self.sd_path+'/updata'
+        self.sd_inserd_state = False
+        self.file_list=[]
+    def sd_check(self):
+        ack=os.path.exists(self.sd_path)
+        if(ack!=self.sd_inserd_state):
+            if(ack==True):
+                write_info("sd inserd.")
+                self.copy_file()
+            else:
+                write_info("sd extracted.")
+            self.sd_inserd_state=ack
+    def copy_file(self):
+        self.file_list.clear()
+        try:
+            self.file_list=os.listdir(self.file_path)
+        except Exception as e:
+            write_info(str(e))
+            return False
+        for i in self.file_list:
+            write_info("|---| "+i)
+        _do_cmd("systemctl stop atk-qtapp-start.service")
+        _do_cmd("mkdir /home/root/config")
+        _do_cmd("cp "+self.find_file_by_type(".elf")+" /usr/local/QDesktop-fb")
+        _do_cmd("chmod 777 /usr/local/QDesktop-fb")
+        _do_cmd("cp "+self.find_file_by_type(".bin")+" /home/root/config/checker_slave.bin")
+        _do_cmd("cp "+self.find_file_by_type("scheme.json")+" /home/root/config/checker_ye_cfg.json")
+        _do_cmd("cp "+self.file_path+"/cfg.json /home/root/config/cfg.json")
+        _do_cmd("cp "+self.find_file_by_type(".axf")+" /lib/firmware/checker_m4.axf")
+        # _do_cmd("cp "+self.find_file_by_type(".dtb")+" /boot/stm32mp157d-atk.dtb")
+        _do_cmd("sync")
+        _do_cmd("systemctl restart atk-qtapp-start.service")
+        write_info("autoupdata end.")
+        return True
+    def find_file_by_type(self,type:str):
+        for i in self.file_list:
+            if(i[-len(type):]==type):
+                return self.file_path+'/'+i
+        return "unknown"
+
+if __name__ == '__main__':
+    dir_name=os.path.dirname(log_filepath)
+    if not os.path.exists(dir_name):
+        os.makedirs(dir_name)
+    updata=auto_updata()
+    while True:
+        updata.sd_check()
+        time.sleep(5)
+
+
+
+
+# if __name__ == "__main__":
+#     scan_files("/run/media")
+
+
+
+
+

daemon/pydeamon.service

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+[Unit]
+Description=pydaemon daemon
+After=rc-local.service
+
+[Service]
+Type=simple
+User=root
+Group=root
+WorkingDirectory=/home/root
+ExecStart=/usr/bin/python3 daemon.py
+Restart=always
+
+[Install]
+WantedBy=multi-user.target