161 lines
4.8 KiB
Python
161 lines
4.8 KiB
Python
from queue import Queue
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from sqlitedict import SqliteDict
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import busybox
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from communication.com_cmd import ComCmd
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from communication.param import Param
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from env import PARAMS_DB_PATH, TB_NAME, PARAMS_DEFINES
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import csv
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class ParamManager:
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_instance = None
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def __new__(cls, *args, **kwargs):
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if not cls._instance:
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cls._instance = super().__new__(cls)
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return cls._instance
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def __init__(self):
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self.data = 10
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self.task_queue = Queue()
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#
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self.dict = SqliteDict(PARAMS_DB_PATH, tablename=TB_NAME, autocommit=True)
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self.init_params_db()
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def init_params_db(self):
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with open(PARAMS_DEFINES, mode='r', encoding='utf-8') as csv_file:
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csv_reader = csv.reader(csv_file, delimiter=',')
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for idx, row_data in enumerate(csv_reader):
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if idx == 0:
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continue
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# 判断db中是否存在当前名称的参数
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if self.dict.get(row_data[0]) is None:
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self.dict[row_data[0]] = Param(
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str(row_data[0]),
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int(row_data[1]),
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int(row_data[2]))
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self.dict.commit()
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#
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for itm_param in self.dict.items():
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_param: Param = itm_param[1]
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_param.list_val = _param.list_set_val
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self.dict[itm_param[0]] = _param
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def get(self, key)->Param:
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"""
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通过key值获取参数变量
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:param key:
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:return:
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"""
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return self.dict[key]
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def set_param_all_vals(self, key, vals: list):
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"""
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设置名为key的变量的所有值
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:param key:
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:param vals:
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:return:
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"""
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# 生成设置参数的命令
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tmp_param: Param = self.dict[key]
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tmp_param.set_all_vals(vals)
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self.dict[key] = tmp_param
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self.dict.commit()
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_cmds = tmp_param.gen_cmd_write_all()
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for cmd in _cmds:
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self.task_queue.put(cmd)
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def gen_read_all_params(self):
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for itm_param in self.dict.items():
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self.get_param_vals(itm_param[0])
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def gen_write_all_params(self):
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for itm_param in self.dict.items():
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self.sync_param_to_device(itm_param[0])
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def dump_all_params(self):
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# 按csv文件的顺序输出参数
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param_data_list = []
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with open(PARAMS_DEFINES, mode='r', encoding='utf-8') as csv_file:
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csv_reader = csv.reader(csv_file, delimiter=',')
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for idx, row_data in enumerate(csv_reader):
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# 跳过第一行
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if idx == 0:
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continue
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_param = self.dict[row_data[0]]
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param_data_list.append({
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"name": _param.name,
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"addr": _param.addr(),
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"len": _param.len,
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"val": _param.list_val
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})
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return param_data_list
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def import_params_data(self, param_data_list):
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for itm in param_data_list:
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_param: Param = self.dict[itm['name']]
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_param.list_val = itm['val']
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_param.list_set_val = itm['val']
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# 修复BUG，导入数据无效，没有把_param写回数据库
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self.dict[itm['name']] = _param
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self.dict.commit()
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def sync_param_to_device(self, key):
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tmp_param: Param = self.dict[key]
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_cmds = tmp_param.gen_cmd_write_all()
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for cmd in _cmds:
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self.task_queue.put(cmd)
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def set_param_one_val(self, p_name, idx, val):
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"""
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设置名为key的变量的index为idx的值为val
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:param p_name:
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:param idx:
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:param val:
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:return:
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"""
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tmp_param: Param = self.dict[p_name]
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tmp_param.set_one_val(idx, val)
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self.dict[p_name] = tmp_param
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# 更新数据库
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self.dict.commit()
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_cmd = tmp_param.gen_cmd_write_one(idx)
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self.task_queue.put(_cmd)
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# 写入后立即获取
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self.get_param_vals(p_name)
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def get_param_vals(self, p_name):
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_param_real_name = busybox.extract_param_names_plain(p_name)[0][0]
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tmp_param: Param = self.dict[_param_real_name]
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_cmds = tmp_param.gen_cmd_read_all()
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for cmd in _cmds:
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self.task_queue.put(cmd)
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def process_response(self, p_cmd:ComCmd, res_data):
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param = self.dict[p_cmd.param_name]
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param.process_cmd_response(p_cmd, res_data)
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self.dict[p_cmd.param_name] = param
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self.dict.commit()
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if __name__ == '__main__':
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param_manager1 = ParamManager()
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param_manager2 = ParamManager()
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param_manager2.data = 10
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print(param_manager1.data)
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test_param = param_manager1.get('orderOne')
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print(test_param.values())
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print(test_param.list_set_val)
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param_manager1.set_param_all_vals('orderOne', [0])
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