def readpara3(DI):
strdata = ''
# 电流互感器变比
# 电压互感器变比
if DI[3] == 0x06:
strdata = para3cfg['电流互感器变比']
strdata = pfun._strReverse(strdata)
elif DI[3] == 0x07:
strdata = para3cfg['电压互感器变比']
strdata = pfun._strReverse(strdata)
return strdata
def dl645_makeframe(dt):
# datavalue 转换
if 'datavalue' not in dt or dt['datavalue'] == None or len(
dt['datavalue']) == 0:
dt['data'] = [0x02]
dt['ctrl'] |= 0xC0
else:
dt['data'] += fat.str2hex(dt['datavalue'], 0)
# 计算长度
dlen = len(dt['data'])
dt['dlen'] = fat.hex2str([dlen], 0)
dt['ctrl'] = fat.hex2str([dt['ctrl'] | 0x80], 0)
dt['addr'] = pfun._strReverse(dt['addr'])
dt['data'] = fat.hex2str(dt['data'], 1) # hex
frame = '68' + dt['addr'] + '68' + dt['ctrl'] + dt['dlen'] + dt[
'data'] # + dt['cs'] + '16'
# 计算CRC
dt['cs'] = pfun.calcCheckSum(frame)
frame += dt['cs'] + '16'
# print('Send:', frame)
# 字节间增加空格
framespace = ''
for i in range(0, len(frame), 2):
framespace += frame[i:i + 2] + ' '
return framespace
def dl645_dealframe(frame):
frame = frame.replace(' ', '')
if len(frame) < MIN_LEN_645FRAME:
return False, None
frame = frame.upper()
dt = {'addr': '', 'ctrl': '', 'data': ''}
for i in range(0, len(frame), 2):
if frame[i:i + 2] == '68' and frame[(
i + POS_64507_HEAD2):(i + POS_64507_HEAD2) + 2] == '68':
dataLen = int(frame[(i + POS_64507_LEN):(i + POS_64507_LEN + 2)],
16) * 2
if dataLen + POS_64507_LEN < len(frame):
frameLen = i + dataLen + POS_64507_LEN
checkSum = calcCheckSum(frame[i:(frameLen + 2)])
checkSum = checkSum[-2:]
checkSum = checkSum.upper()
if checkSum == frame[frameLen + 2:frameLen + 4] and \
frame[frameLen + 4:frameLen + 6] == '16':
addr = frame[i + POS_64507_ADDR:i + POS_64507_ADDR +
12].upper()
dt['addr'] = pfun._strReverse(addr)
# dt['ctrl'] = frame[i + POS_64507_CTRL:i + POS_64507_CTRL + 2]
dt['ctrl'] = int(
frame[i + POS_64507_CTRL:i + POS_64507_CTRL + 2], 16)
# dt['data'] = frame[i + POS_64507_DATA:i + POS_64507_DATA + dataLen]
datastr = frame[i + POS_64507_DATA:i + POS_64507_DATA +
dataLen]
dt['data'] = fat.str2hex(datastr, 1)
if dt['ctrl'] & 0x80 == 0: # 只响应抄读帧
return True, dt
return False, None
def readpara2(DI):
strdata = ''
# 年时区数 p≤14
# 日时段表数 q≤8
# 日时段数(每日切换数) m≤14
# 费率数 k≤63
# 公共假日数 n≤254
# 谐波分析次数
# 梯度数
if DI[3] == 0x01:
strdata = para2cfg['年时区数']
strdata = pfun._strReverse(strdata)
elif DI[3] == 0x02:
strdata = para2cfg['日时段表数']
strdata = pfun._strReverse(strdata)
elif DI[3] == 0x03:
strdata = para2cfg['日时段数']
strdata = pfun._strReverse(strdata)
elif DI[3] == 0x04:
strdata = para2cfg['费率数']
strdata = pfun._strReverse(strdata)
elif DI[3] == 0x05:
strdata = para2cfg['公共假日数']
strdata = pfun._strReverse(strdata)
elif DI[3] == 0x06:
strdata = para2cfg['谐波分析次数']
strdata = pfun._strReverse(strdata)
elif DI[3] == 0x07:
strdata = para2cfg['梯度数']
strdata = pfun._strReverse(strdata)
return strdata
def upgradeRecvDataToMap(bmapstr, uplist):
bmapstr = pfun._strReverse(bmapstr)
for i in range(0, len(bmapstr), 2):
b = bmapstr[i:i + 2]
n = int(b, 16)
for j in range(8):
if n & (1 << j):
uplist["bmap"][i * 4 + j] = 1
else:
uplist["bmap"][i * 4 + j] = 0
def upgradeRecvDataToMap(index, bmapstr, self):
bmapstr = pfun._strReverse(bmapstr)
for i in range(0, len(bmapstr), 2):
b = bmapstr[i:i + 2]
n = int(b, 16)
for j in range(8):
if n & (1 << j):
self.uplist["bmap"][index*512 + i * 4 + j] = 1
else:
self.uplist["bmap"][index*512 + i * 4 + j] = 0
def dl645_str2nxx(s, n):
slen = int(len(s) / 2 / n) # 字符串两字节, 数据4字节
dl = []
j = 0
for i in range(slen):
d = s[j:j + 2 * n]
d = pfun._strReverse(d)
dl += [d]
j += 2 * n
return dl
def dl645_x_xxx2hex(e, s=0):
if s == 1 and e < 0: # 有符号
strhex = '00000000' + str(int(e * -1000))
s = str(int(strhex[-4], 10) | 0x8) # 最高字节 | 0x80 表示符号位
strhex = s + strhex[-3:]
else:
strhex = '00000000' + str((int(e * 1000)))
strhex = strhex[-4:]
strhex = pfun._strReverse(strhex)
return strhex
def unsigned_hex_str2signed(d):
if min(d.lower()) == 'f':
return 0
d = pub._strReverse(d)
try:
a = int(d, 16)
except:
a = 0
print(unsigned_hex_str2signed.__name__, 'err')
return a
def Mex_MakeDataLen(dt):
if 0x80 < dt['datalen'] <= 0xFF:
s = 0x81
s = hex(s)[-2:] + hex(dt['datalen']).replace('0x', '0000')[-2:]
elif 0xFF < dt['datalen'] <= 0xFFFF:
s = 0x82
n = hex(dt['datalen']).replace('0x', '0000')[-4:]
n = pfun._strReverse(n)
s = hex(s)[-2:] + n
else:
s = hex(dt['datalen']).replace('0x', '0000')[-2:]
return s
def VARIANT_01(d):
l = []
n = 0
rn, ld = OOP_WORD4V(d[n:]) # 电压
n += rn
l += ld
rn, ld = OOP_INT4V(d[n:]) # 电流
n += rn
l += ld
# 零线电流
l += [pub._strReverse(d[n:n + 8])]
return l
def Mex_DataLenParse(d, dt):
try:
a = int(d[:2], 16)
except:
a = 0
if a & 0x80:
a &= 0x7F
sd = pfun._strReverse(d[2:a * 2 + 2]) # 长度域字符串倒序
dt['datalen'] = int(sd, 16)
dl = (a + 1) * 2
else:
dt['datalen'] = a
dl = 2
return dl
def dl645_xxx_xxx2hex(e, s=0, t=BCD):
if s == 1 and e < 0: # 有符号
strhex = '00000000' + str(int(e * -1000))
s = str(int(strhex[-6], 10) | 0x8) # 最高字节 | 0x80 表示符号位
strhex = s + strhex[-5:]
else:
if t == HEX:
strhex = hex(int(e * 1000))
strhex = strhex.replace('0x', '00000000')
else:
strhex = '00000000' + str((int(e * 1000)))
strhex = strhex[-6:]
strhex = pfun._strReverse(strhex)
return strhex
def upgradeSendFile(self, i):
sindex = hex(i + 1).replace("0x", "0000")[-4:]
prtl = judgePrtl("LY_JSON")
data = "04A00501"
# print(value)
value = pfun._strReverse(self.flist[i])
# print(value)
value = self.FILE_MANUIDEN + "#" + self.FILE_DEV_TYPE + "#" + self.FILE_PACK_NUM + "#" + sindex + "#" + value # 字节倒序
List = dict(zip([data], [value]))
VList = []
VList += ["UpDate"]
VList += [List]
senddata = prtl2Make(prtl, VList)
return senddata
def signed_hex_str2signed(d):
if min(d.lower()) == 'f':
return 0
d = pub._strReverse(d)
try:
a = int(d, 16)
except:
a = 0
print(signed_hex_str2signed.__name__, 'err')
if a > 0x80000000:
b = -(~a + 2)
d = -0xffffffff + b
else:
d = a
return d
def readpara1(DI):
strdata = ''
# YYMMDDWW 4 日期及星期(其中0代表星期天)
# hhmmss 3 时间
# NN 1 最大需量周期
# NN 1 滑差时间
# XXXX 2 校表脉冲宽度
# YYMMDDhhmm 5 两套时区表切换时间
# YYMMDDhhmm 5 两套日时段表切换时间
# YYMMDDhhmm 5 两套分时费率切换时间
# YYMMDDhhmm 5 两套阶梯切换时间
if DI[3] == 0x01: # 日期及星期(其中0代表星期天)
t = time.time()
dt_obj = datetime.datetime.fromtimestamp(t)
strdata = dt_obj.strftime("0%w%d%m%y")
elif DI[3] == 0x02: # 时间
t = time.time()
dt_obj = datetime.datetime.fromtimestamp(t)
strdata = dt_obj.strftime("%S%M%H")
elif DI[3] == 0x03:
strdata = para1cfg['最大需量周期']
strdata = pfun._strReverse(strdata)
elif DI[3] == 0x04:
strdata = para1cfg['滑差时间']
strdata = pfun._strReverse(strdata)
elif DI[3] == 0x05:
strdata = para1cfg['最大需量周期']
strdata = pfun._strReverse(strdata)
elif DI[3] == 0x06:
strdata = para1cfg['两套时区表切换时间']
strdata = pfun._strReverse(strdata)
elif DI[3] == 0x07:
strdata = para1cfg['两套日时段表切换时间']
strdata = pfun._strReverse(strdata)
elif DI[3] == 0x08:
strdata = para1cfg['两套分时费率切换时间']
strdata = pfun._strReverse(strdata)
elif DI[3] == 0x09:
strdata = para1cfg['两套阶梯切换时间']
strdata = pfun._strReverse(strdata)
return strdata
def dl645_xxx_x2hex(e):
strhex = '00000000' + str((int(e * 10)))
strhex = strhex[-4:]
strhex = pfun._strReverse(strhex)
return strhex
def frame_head_process(s):
at = {'PRIORITY': 0,
'PRM': 0,
'INDEX': 0,
'LABEL': 0,
'SOURCE': '',
'DESTINATION': '',
'TAG': 0,
'Length': 0,
'Payload': ''
}
s = s.replace(' ', '')
s = s.replace(':', '')
s = s.replace(';', '')
s = s.replace('：', '')
s = s.replace('；', '')
if len(s) < 16:
at['err'] = 'frame len error'
return at
# PRIORITY PRM 1
# 优先级（数值越小优先级越高，0为最高优先级）
# 启动标志位（PRM=1，表示启动）
priprm = int(s[:2], 16)
at['PRM'] = priprm & 0x01
at['PRIORITY'] = priprm >> 1
s = s[2:]
# INDEX 2
# 消息序号（从0循环递增，响应消息同请求消息保持一致）
at['INDEX'] = int(pub._strReverse(s[:4]), 16)
s = s[4:]
# LABEL 2
# 消息标签（发送方附加标签，响应时带回）
at['LABEL'] = int(pub._strReverse(s[:4]), 16)
s = s[4:]
# SOURCE N
# 消息发送方名称，字符串，以0结尾，命名规范见5.2
end_source = s.find('00')
if end_source > 0:
b = bytes.fromhex(s[:end_source])
at['SOURCE'] = str(b, encoding="utf-8")
else:
at['err'] = 'SOURCE err'
return at
s = s[(end_source + 2):]
# DESTINATION N
# 消息接收方名称，字符串，以0结尾，命名规范见5.2
end_dest = s.find('00')
if end_dest > 0:
b = bytes.fromhex(s[:end_dest])
at['DESTINATION'] = str(b, encoding="utf-8")
else:
at['err'] = 'DESTINATION err'
return at
s = s[(end_dest + 2):]
if len(s) < 8:
at['err'] = 'TAG len error'
return at
# MSG’s—TAG 4
# 消息接口ID（消息接口定义见第7章）
at['TAG'] = pub._strReverse(s[:8])
s = s[8:]
if len(s) < 2:
at['err'] = 'Length error'
return at
# MSG’s—Length N
# 消息有效载荷长度，采用可变长度编码（A-XDR）
l = int(s[:2], 16)
if l & 0x80:
ln = l & 0x7F
ln = ln * 2 + 2
try:
at['Length'] = int(s[2:ln], 16)
except:
at['Length'] = 0
else:
ln = 2
at['Length'] = l
s = s[ln:]
if len(s) != at['Length'] * 2:
at['err'] = 'Payload Length error'
# MSG’s—Payload N
# 有效载荷，即消息数据单元（定义见附录）
at['Payload'] = s
return at
