This commit is contained in:
weizhihong 2023-11-17 16:51:35 +08:00
commit 1d1edafdd1
2 changed files with 159 additions and 3 deletions

View File

@ -90,8 +90,10 @@ type AtpRequestFrame struct {
Speed uint16
//当前ATP系统时间1=1ms
Time uint32
//crc 校验
//crc 校验码,从数据流中接收到的
Crc16 uint16
//解码时CRC16校验结果,true-校验通过
Crc16CheckOk bool
}
// NewAtpRequestFrame 创建ATP查询帧
@ -179,9 +181,9 @@ func (f *AtpRequestFrame) Decode(bits CanBitsReader) bool {
return false
}
//crc校验
if f.Crc16 != crc16 {
f.Crc16CheckOk = f.Crc16 == crc16
if !f.Crc16CheckOk {
slog.Debug("解码AtpRequestFrameCRC16校验未通过")
return false
}
//
return true

View File

@ -0,0 +1,154 @@
package message
// BtmStatusRspFrame BTM发往ATP的状态应答帧
type BtmStatusRspFrame struct {
//帧ID
FId CanFrameId
//数据流水号0255变化每次加一
Dsn byte
//应答器计数(每过一个应答器加一,在同一个应答器内不变)
BaliseCounter byte
//报文计数器(每解出一个报文加一)
MessageCounter byte
//功率放大器状态true-1 turn on ;false-0 turn off
PowerAmplifierOn bool
//ATP查询帧CRC16校验结果,true-1校验失败false-0校验通过
AtpReqCrcCheckWrong bool
//功率放大器故障,true-1故障false-0正常
PowerAmplifierFailure bool
//天线故障,true-1故障false-0正常
AntennaFault bool
//BTM detailed code
DetailedCode byte
//有具体报文内容时TK A时刻填充为CD信号上升沿时刻报文全零时TK A时刻填充为CD信号下降沿时刻。
TkTimeA uint32
}
func NewBtmStatusRspFrame(sn byte) *BtmStatusRspFrame {
return &BtmStatusRspFrame{
FId: *NewCanFrameId(CAN_ADDR_RSP_ATP, CAN_ADDR_RSP_BTM, CAN_FRAME_STATUS_RSP, sn),
}
}
func (f *BtmStatusRspFrame) Decode(reader CanBitsReader) bool {
if !f.FId.Decode(reader) {
return false
}
//数据流水号
if d, ok := reader.ReadByte(); ok {
f.Dsn = d
} else {
return false
}
//应答器计数
if d, ok := reader.ReadByte(); ok {
f.BaliseCounter = d
} else {
return false
}
//报文计数器
if d, ok := reader.ReadByte(); ok {
f.MessageCounter = d
} else {
return false
}
//功率放大器状态
if d, ok := reader.ReadBits(1); ok {
f.PowerAmplifierOn = 1 == d
} else {
return false
}
//ATP查询帧CRC16校验结果
if d, ok := reader.ReadBits(1); ok {
f.AtpReqCrcCheckWrong = 1 == d
} else {
return false
}
//功率放大器故障
if d, ok := reader.ReadBits(1); ok {
f.PowerAmplifierFailure = 1 == d
} else {
return false
}
//天线故障
if d, ok := reader.ReadBits(1); ok {
f.AntennaFault = 1 == d
} else {
return false
}
//BTM detailed code
if d, ok := reader.ReadBits(4); ok {
f.DetailedCode = d
} else {
return false
}
//tk time a
tk1, tk1Ok := reader.ReadByte()
if !tk1Ok {
return false
}
tk2, tk2Ok := reader.ReadByte()
if !tk2Ok {
return false
}
tk3, tk3Ok := reader.ReadByte()
if !tk3Ok {
return false
}
tk4, tk4Ok := reader.ReadByte()
if !tk4Ok {
return false
}
f.TkTimeA = 0
f.TkTimeA |= uint32(tk1) << 24
f.TkTimeA |= uint32(tk2) << 16
f.TkTimeA |= uint32(tk3) << 8
f.TkTimeA |= uint32(tk4)
//
return true
}
func (f *BtmStatusRspFrame) Encode() CanBusData {
writer := NewCanBitsWriter(12)
//
f.FId.Encode(writer)
writer.AddByte(f.Dsn)
writer.AddByte(f.BaliseCounter)
writer.AddByte(f.MessageCounter)
//
if f.PowerAmplifierOn {
writer.AddBits(1, 1)
} else {
writer.AddBits(0, 1)
}
//
if f.AtpReqCrcCheckWrong {
writer.AddBits(1, 1)
} else {
writer.AddBits(0, 1)
}
//
if f.PowerAmplifierFailure {
writer.AddBits(1, 1)
} else {
writer.AddBits(0, 1)
}
//
if f.AntennaFault {
writer.AddBits(1, 1)
} else {
writer.AddBits(0, 1)
}
//
writer.AddBits(f.DetailedCode, 4)
//tk time a
tkMsk := uint32(0x00_00_00_ff)
tk1 := byte((f.TkTimeA >> 24) & tkMsk)
tk2 := byte((f.TkTimeA >> 16) & tkMsk)
tk3 := byte((f.TkTimeA >> 8) & tkMsk)
tk4 := byte(f.TkTimeA & tkMsk)
writer.AddByte(tk1)
writer.AddByte(tk2)
writer.AddByte(tk3)
writer.AddByte(tk4)
//
return writer.(CanBusData)
}