import time from pathlib import Path from serial import Serial from utl import trans_list_to_str from func_frame import make_frame_dlt645, check_frame_dlt645 modbus_map = { # 1 - Hex # 2 - Int16 # 3 - lnt32 # 4 - str # 5 - addr 0x0E: ["故障字1", 1], 0x0F: ["故障字2", 1], 0x10: ["MPPT工作状态", 1], 0x11: ["系统工作状态", 1], 0x12: ["系统工作模式", 1], 0x13: ["输入电压", 2], 0x14: ["电感电流", 2], 0x15: ["12V电压", 2], 0x16: ["输出电压", 2], 0x17: ["输入电流", 2], 0x18: ["温度1", 2], 0x19: ["温度2", 2], 0x1A: ["输入功率", 3], 0x1C: ["设备温度", 2], 0x1D: ["开关机状态", 1], 0x1E: ["保留", 1], 0x1F: ["保留", 1], 0x60: ["光伏通道使能", 1], 0x61: ["最小启动输入电压", 2], 0x62: ["最大启动输入电压", 2], 0x63: ["最小停止输入电压", 2], 0x64: ["最大停止输入电压", 2], 0x65: ["最小MPPT电压", 2], 0x66: ["最大MPPT电压", 2], 0x67: ["最小启动输出电压", 2], 0x68: ["最大启动输出电压", 2], 0x69: ["最小停止输出电压", 2], 0x6A: ["最大停止输出电压", 2], 0x6B: ["输入过压保护值", 2], 0x6C: ["输出过压保护值", 2], 0x6D: ["输出欠压保护值", 2], 0x6E: ["电感过流保护值", 2], 0x6F: ["输入过流保护值", 2], 0x70: ["最小电感电流限值", 2], 0x71: ["最大电感电流限值", 2], 0x72: ["浮充电压阈值", 2], 0x73: ["三点法中间阈值", 2], 0x74: ["恒压充电电压", 2], 0x75: ["过温故障值", 2], 0x76: ["过温告警值", 2], 0x77: ["温度恢复值", 2], 0x78: ["最低满载电压", 2], 0x79: ["最高满载电压", 2], 0x7A: ["输入过载保护值", 3], 0x7C: ["最小功率限值", 3], 0x7E: ["最大功率限值", 3], 0x80: ["最大功率限值存储值", 3], 0x82: ["载波通信地址", 5], 0x85: ["电压环out_max", 2], 0x86: ["电压环out_min", 2], 0x87: ["电流环out_max", 2], 0x88: ["电流环out_min", 2], 0x89: ["MPPT扰动系数k_d_vin", 2], 0x8A: ["dmin", 2], 0x8B: ["dmax", 2], 0x8C: ["扫描电压偏移scanvolt_offset", 2], 0x8D: ["电压环Kp", 3], 0x8F: ["电压环Ki", 3], 0x91: ["电流环Kp", 3], 0x93: ["电流环Ki", 3], 0x95: ["日志级别", 1], 0x96: ["日志输出方式", 1], 0x97: ["采样校准volt_in_a", 2], 0x98: ["采样校准volt_in_b", 2], 0x99: ["采样校准volt_out_a", 2], 0x9A: ["采样校准volt_out_b", 2], 0x9B: ["采样校准curr_in_a", 2], 0x9C: ["采样校准curr_in_b", 2], 0x9D: ["采样校准curr_induc_a", 2], 0x9E: ["采样校准curr_induc_b", 2], 0x9F: ["采样校准volt_12V_a", 2], 0xA0: ["采样校准volt_12V_b", 2], 0xA1: ["温度补偿temp1_b", 2], 0xA2: ["温度补偿temp2_b", 2], 0xA3: ["系统工作模式", 2], 0xA4: ["电感电流给定值curr_set", 2], 0xA5: ["抖动频率上限", 2], 0xA6: ["抖动频率下限", 2], 0xA7: ["保留", 1], 0xA8: ["保留", 1], 0xA9: ["保留", 1], 0xAA: ["保留", 1], 0xAB: ["保留", 1], 0xAC: ["保留", 1], 0xAD: ["保留", 1], 0xAE: ["保留", 1], 0xAF: ["保留", 1], 0x100: ["版本", 4], 0x110: ["型号", 4], } class LaminaAdapter: def __init__(self, com_name="COM16", addr_645=[0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA], addr_modbus=0x01): # 初始化串口通信 if com_name is not None: self.com = Serial(com_name, baudrate=115200, parity='N', timeout=2) else: self.com =None # 设置645协议地址 self.addr_645 = addr_645 # 设置Modbus地址 self.addr_modbus = addr_modbus self.block = { 'addr' : self.addr_645, 'type' : 'modbus', 'data' : { 'addr_dev' : self.addr_modbus, 'data_define': modbus_map, }, } def frame_read(self, daddr=0x60, dlen=0x50): self.block['data']['type'] = 'read' self.block['data']['data_addr'] = daddr self.block['data']['data_len'] = dlen frame = make_frame_dlt645(self.block) if self.com is None: print(trans_list_to_str(frame)) return self.com.read_all() self.com.write(bytearray(frame)) time.sleep(0.5) frame_recv = self.com.read_all() output_text = check_frame_dlt645(frame_recv, block=self.block) print(output_text) def frame_write_one(self, daddr=0x85, dval=-900): self.block['data']['type'] = 'write_one' self.block['data']['data_addr'] = daddr self.block['data']['data_val'] = dval frame = make_frame_dlt645(self.block) if self.com is None: print(trans_list_to_str(frame)) return self.com.write(bytearray(frame)) def frame_write_dual(self, daddr=0x91, dval=600): self.block['data']['type'] = 'write_dual' self.block['data']['data_addr'] = daddr self.block['data']['data_val'] = dval frame = make_frame_dlt645(self.block) if self.com is None: print(trans_list_to_str(frame)) return self.com.write(bytearray(frame)) def frame_write_str(self, daddr=0x82, dval=[0x06, 0x05, 0x04, 0x03, 0x02, 0x01]): self.block['data']['type'] = 'write_str' self.block['data']['data_addr'] = daddr self.block['data']['data_val'] = dval frame = make_frame_dlt645(self.block) if self.com is None: print(trans_list_to_str(frame)) return self.com.write(bytearray(frame)) def frame_update(self, path_bin): """ 程序升级 注意: 在使用单板升级测试时, 需要关闭低电压检测功能, 否则无法启动升级流程; """ self.block['data']['type'] = 'write_str' self.block['data']['step'] = 'start' self.block['data']['index'] = 0 self.block['data']['file'] = Path(path_bin).read_bytes() self.block['data']['header_offset'] = 128 # 启动帧 frame_master = bytearray(make_frame_dlt645(self.block)) # 等待擦除完成返回 try_times = 3000 self.com.read_all() while try_times: time.sleep(0.4) self.com.write(frame_master) frame_slave = self.com.read_all() if not frame_slave: try_times -= 1 continue self.block["data"]['file_block_size'] = check_frame_dlt645(frame_slave, self.block) break if self.block["data"]['file_block_size'] == 0: raise("Error slave response.") # 避免接收到延迟返回报文 time.sleep(0.4) # 文件传输 self.block["data"]['step'] = 'trans' data_remain = len(self.block["data"]['file']) - self.block['data']['header_offset'] while data_remain > 0: frame_master = bytearray(make_frame_dlt645(self.block)) self.com.read_all() self.com.write(frame_master) time.sleep(0.2) frame_slave = None while not frame_slave: frame_slave = self.com.read_all() check_frame_dlt645(frame_slave, self.block) self.block["data"]['index'] += 1 data_remain -= self.block["data"]['file_block_size'] # 结束升级 self.block["data"]['step'] = 'end' frame_master = bytearray(make_frame_dlt645(self.block)) self.com.read_all() self.com.write(frame_master) time.sleep(0.1) frame_slave = None while not frame_slave: frame_slave = self.com.read_all() check_frame_dlt645(frame_slave[:18], self.block) if __name__=='__main__': dev_lamina = LaminaAdapter() dev_lamina.frame_read(0x0100, 0x20)