def combine_c6(obu_id, card_div_factor, reserved, deduct_amount,
purchase_time, station):
"""
组合c6指令，该指令只对ETC天线发送过来的正常b4帧回应有效，消费交易指令，出口消费写过站
:param obu_id: 电子标签mac地址
:param card_div_factor: 电子标签一级分散因子，比如"万集万集"的十六进制 'CDF2BCAFCDF2BCAF'
:param reserved: 保留 四个字节 比如：00000000
:param consume_money: 扣款额，高字节在前
:param purchase_time: YYYYMMDDhhmmss，用此时间去计算TAC码
:param station: 过站信息（速通卡0012文件或者0019后36/40个字节）
:return:
"""
'ffff 86 c6 6a81353e cdf2bcafcdf2bcaf 00000000 00000000 20200826175558 ' \
'00010001025f46a22e000211223344556677889901020388b2e24131323334350000000000000000 b8 ff'
# 序列号
rsctl = CommonUtil.get_rsctl()
cmd_type = 'c6' # 指令代码，此处取值c1
c6 = ''.join([
rsctl, cmd_type, obu_id, card_div_factor, reserved, deduct_amount,
purchase_time, station
])
c6 = CommandSendSet.transfer_command(c6)
c6 = CommonConf.COMMAND_BEGIN_FLAG + c6
# 获取bcc校验值
bcc = CommonUtil.bcc_xor(c6)
c6 = c6 + bcc + CommonConf.COMMAND_END_FLAG
return c6
def combine_c0(lane_mode='03',
wait_time='02',
tx_power='0a',
pll_channel_id='00',
trans_mode='02'):
"""
组合c0指令， 该指令为初始化指令
:param lane_mode: 车道工作模式
:param wait_time: 最小重读时间
:param tx_power: etc天线功率级数
:param pll_channel_id: 信道号
:param trans_mode: 记账模式
:return:
"""
# 序列号
rsctl = CommonUtil.get_rsctl()
# 指令代码
cmd_type = 'c0'
time_stamp = int(time.time()) # 时间戳
# 记账时间
unix_time = hex(time_stamp + 8 * 60 * 60)[2:]
# 当前时间
current_time = time.strftime('%Y%m%d%H%M%S',
time.localtime(time_stamp))
# 初始化指令
c0 = ''.join([
rsctl, cmd_type, unix_time, current_time, lane_mode, wait_time,
tx_power, pll_channel_id, trans_mode
])
c0 = CommandSendSet.transfer_command(c0)
c0 = CommonConf.COMMAND_BEGIN_FLAG + c0
# 异或校验值
bcc = CommonUtil.bcc_xor(c0)
c0 = c0 + bcc + CommonConf.COMMAND_END_FLAG
return c0
def combine_c4(control_type='00'):
"""
开关天线指令
:param control_type: 00-关天线 01-开天线
:return:
"""
rsctl = CommonUtil.get_rsctl()
cmd_type = 'c4' # 指令代码，此处取值c1
c4 = ''.join([rsctl, cmd_type, control_type])
c4 = CommandSendSet.transfer_command(c4)
c4 = CommonConf.COMMAND_BEGIN_FLAG + c4
# 获取bcc校验值
bcc = CommonUtil.bcc_xor(c4)
c4 = c4 + bcc + CommonConf.COMMAND_END_FLAG
return c4
def combine_c2(obu_id, stop_type='01'):
"""
组合c2指令，该指令为停止交易指令
:param obu_id: 电子标签mac地址
:param stop_type: 1：重新搜索电子标签，不判断电子标签mac地址 2: 重新发送当前帧
:return:
"""
# 序列号
rsctl = CommonUtil.get_rsctl()
cmd_type = 'c2' # 指令代码，此处取值c1
c2 = ''.join([rsctl, cmd_type, obu_id, stop_type])
c2 = CommandSendSet.transfer_command(c2)
c2 = CommonConf.COMMAND_BEGIN_FLAG + c2
# 获取bcc校验值
bcc = CommonUtil.bcc_xor(c2)
c2 = c2 + bcc + CommonConf.COMMAND_END_FLAG
return c2
def combine_c1(obu_id, obu_div_factor):
"""
组合c1指令， 该指令为继续交易指令
:param obu_id: 电子标签mac地址
:param obu_div_factor: 电子标签一级分散因子，比如"万集万集"的十六进制 'CDF2BCAFCDF2BCAF'
:return:
"""
# 序列号
rsctl = CommonUtil.get_rsctl()
cmd_type = 'c1' # 指令代码，此处取值c1
c1 = ''.join([rsctl, cmd_type, obu_id, obu_div_factor])
c1 = CommandSendSet.transfer_command(c1)
c1 = CommonConf.COMMAND_BEGIN_FLAG + c1
# 获取bcc校验值
bcc = CommonUtil.bcc_xor(c1)
c1 = c1 + bcc + CommonConf.COMMAND_END_FLAG
return c1