Small CLI monitoring tool to decode proprietary [...] protocol and display info in human readable representation
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ycli-mon/yabl/protocol.go

280 lines
9.4 KiB

package yabl
import (
can "cli-mon/can"
"encoding/binary"
)
const (
CONTACTOR_MAX = 18 + 1
CONNECTOR_MAX = 6 + 1
ALL_BITS = 0xFFFFFFFFFFFFFFFF
UNIT_ID_OFFSET = 12
UNIT_ID_MASK = 0b111111111111 << UNIT_ID_OFFSET
ACTION_ID_MASK = 0b111111111111
BOARD_READY_OK BoardReadyType = 0
BOARD_READY_INFO BoardReadyType = 1
BOARD_READY_WARNING BoardReadyType = 2
BOARD_READY_DEBUG BoardReadyType = 3
BOARD_READY_DEP_ERROR BoardReadyType = 4
BOARD_READY_ERROR BoardReadyType = 5
BOARD_READY_CRITICAL BoardReadyType = 6
OFF BooleanType = 0
ON BooleanType = 1
NO_ERROR ErrorType = 0
ERROR ErrorType = 1
OTHER_NO_ERROR ContactorInternalOtherErrorType = 0
NO_PENDING_CHANGES ContactorGroupChangedType = 0
INITIALIZED_CHANGE ContactorGroupChangedType = 1
CHANGE_IN_PROGRESS ContactorGroupChangedType = 2
V2G_MODE_G2V V2GModeType = 0
V2G_MODE_V2G V2GModeType = 1
V2G_MODE_INV V2GModeType = 2
NOT_ENABLE CpLineLevelType = 0
TWELVE CpLineLevelType = 1
NINE CpLineLevelType = 2
SIX CpLineLevelType = 3
THREE CpLineLevelType = 4
MINUS_TWELVE CpLineLevelType = 5
UNKNOWN IsolationStateType = 0
ONGOING IsolationStateType = 1
PASSED IsolationStateType = 2
WARNING IsolationStateType = 3
FAILED IsolationStateType = 4
)
type Packet interface {
GetUnitId() uint
}
type ContactorInternalState struct {
UnitId uint
ContactorReady BoardReadyType
ContactorOn BooleanType
UnexpectedState ErrorType
Isolated ErrorType
DebugEnabled BooleanType
}
type ContactorInternalErrors struct {
UnitId uint
BoardReady BoardReadyType
OtherError ContactorInternalOtherErrorType
ContactorGroupChanged ContactorGroupChangedType
UnexpectedFormation ContactorInternalOtherErrorType
CpuNotReady ErrorType
PuNotReady ErrorType
Debug BooleanType
}
type PuPresentEnergy struct {
UnitId uint
V2GMode V2GModeType
VoltageBefore Voltage11BitType
VoltageAfter Voltage11BitType
PresentCurrent Current10BitType
}
type PuPeriphery struct {
UnitId uint
ConnectorInsert BooleanType
ContactorOn BooleanType
ConnectorLocked BooleanType
CpLineLevel CpLineLevelType
IsolationState IsolationStateType
ChargingAllowed BooleanType
PwmEnabled BooleanType
CpLineVoltage Voltage9BitType
}
type BoardReadyType uint
type BooleanType uint
type ErrorType uint
type ContactorInternalOtherErrorType uint
type ContactorGroupChangedType uint
type V2GModeType uint
type Voltage11BitType uint
type Current10BitType uint
type CpLineLevelType uint
type IsolationStateType uint
type Voltage9BitType float32
func StartProtocolParsing(frames <-chan *can.CanFrame) <-chan Packet {
result := make(chan Packet)
go func() {
defer close(result)
var contactorsFirstState [CONTACTOR_MAX]bool
var contactorsFirstErr [CONTACTOR_MAX]bool
var puFirst [CONNECTOR_MAX]bool
var puPeripheryFirst [CONNECTOR_MAX]bool
for frame := range frames {
if frames == nil {
continue
}
var unitId uint = uint((frame.CanId & UNIT_ID_MASK) >> UNIT_ID_OFFSET)
switch {
case frame.CanId&ACTION_ID_MASK == can.CAN_ID_071:
changed := false
var model = ContactorInternalState{UnitId: unitId}
if val, ok := get(0, 3, frame.Payload); ok && model.ContactorReady != BoardReadyType(val) {
model.ContactorReady = BoardReadyType(val)
changed = true
}
if val, ok := get(3, 2, frame.Payload); ok && model.ContactorOn != BooleanType(val) {
model.ContactorOn = BooleanType(val)
changed = true
}
if val, ok := get(5, 2, frame.Payload); ok && model.UnexpectedState != ErrorType(val) {
model.UnexpectedState = ErrorType(val)
changed = true
}
if val, ok := get(7, 2, frame.Payload); ok && model.Isolated != ErrorType(val) {
model.Isolated = ErrorType(val)
changed = true
}
if val, ok := get(9, 2, frame.Payload); ok && model.DebugEnabled != BooleanType(val) {
model.DebugEnabled = BooleanType(val)
changed = true
}
if changed || !contactorsFirstState[unitId] {
contactorsFirstState[unitId] = true
result <- &model
}
case frame.CanId&ACTION_ID_MASK == can.CAN_ID_073:
changed := false
model := ContactorInternalErrors{UnitId: unitId}
if val, ok := get(0, 3, frame.Payload); ok && model.BoardReady != BoardReadyType(val) {
model.BoardReady = BoardReadyType(val)
changed = true
}
if val, ok := get(3, 4, frame.Payload); ok && model.OtherError != ContactorInternalOtherErrorType(val) {
model.OtherError = ContactorInternalOtherErrorType(val)
changed = true
}
if val, ok := get(7, 3, frame.Payload); ok && model.ContactorGroupChanged != ContactorGroupChangedType(val) {
model.ContactorGroupChanged = ContactorGroupChangedType(val)
changed = true
}
if val, ok := get(10, 4, frame.Payload); ok && model.UnexpectedFormation != ContactorInternalOtherErrorType(val) {
model.UnexpectedFormation = ContactorInternalOtherErrorType(val)
changed = true
}
if val, ok := get(14, 2, frame.Payload); ok && model.CpuNotReady != ErrorType(val) {
model.CpuNotReady = ErrorType(val)
changed = true
}
if val, ok := get(16, 2, frame.Payload); ok && model.PuNotReady != ErrorType(val) {
model.PuNotReady = ErrorType(val)
changed = true
}
if val, ok := get(18, 2, frame.Payload); ok && model.Debug != BooleanType(val) {
model.Debug = BooleanType(val)
changed = true
}
if changed || !contactorsFirstErr[unitId] {
contactorsFirstErr[unitId] = true
result <- &model
}
case frame.CanId&ACTION_ID_MASK == can.CAN_ID_021:
changed := false
model := PuPresentEnergy{UnitId: unitId}
if val, ok := get(0, 2, frame.Payload); ok && model.V2GMode != V2GModeType(val) {
model.V2GMode = V2GModeType(val)
changed = true
}
if val, ok := get(2, 11, frame.Payload); ok && model.VoltageBefore != Voltage11BitType(val) {
model.VoltageBefore = Voltage11BitType(val)
changed = true
}
if val, ok := get(13, 11, frame.Payload); ok && model.VoltageAfter != Voltage11BitType(val) {
model.VoltageAfter = Voltage11BitType(val)
changed = true
}
if val, ok := get(24, 10, frame.Payload); ok && model.PresentCurrent != Current10BitType(val) {
model.PresentCurrent = Current10BitType(val)
changed = true
}
if changed || !puFirst[unitId] {
puFirst[unitId] = true
result <- &model
}
case frame.CanId&ACTION_ID_MASK == can.CAN_ID_022:
changed := false
model := PuPeriphery{UnitId: unitId}
if val, ok := get(0, 2, frame.Payload); ok && model.ConnectorInsert != BooleanType(val) {
model.ConnectorInsert = BooleanType(val)
changed = true
}
if val, ok := get(2, 2, frame.Payload); ok && model.ContactorOn != BooleanType(val) {
model.ContactorOn = BooleanType(val)
changed = true
}
if val, ok := get(4, 2, frame.Payload); ok && model.ConnectorLocked != BooleanType(val) {
model.ConnectorLocked = BooleanType(val)
changed = true
}
if val, ok := get(6, 3, frame.Payload); ok && model.CpLineLevel != CpLineLevelType(val) {
model.CpLineLevel = CpLineLevelType(val)
changed = true
}
if val, ok := get(9, 3, frame.Payload); ok && model.IsolationState != IsolationStateType(val) {
model.IsolationState = IsolationStateType(val)
changed = true
}
if val, ok := get(12, 2, frame.Payload); ok && model.ChargingAllowed != BooleanType(val) {
model.ChargingAllowed = BooleanType(val)
changed = true
}
if val, ok := get(14, 2, frame.Payload); ok && model.PwmEnabled != BooleanType(val) {
model.PwmEnabled = BooleanType(val)
changed = true
}
if val, ok := get(16, 9, frame.Payload); ok && model.CpLineVoltage != (Voltage9BitType(val)*0.1-15) {
model.CpLineVoltage = Voltage9BitType(val)*0.1 - 15
changed = true
}
if changed || !puPeripheryFirst[unitId] {
puPeripheryFirst[unitId] = true
result <- &model
}
}
}
}()
return result
}
func get(from uint, size uint, buffer []byte) (uint64, bool) {
value := binary.LittleEndian.Uint64(buffer)
var mask uint64 = ^(ALL_BITS << size)
mask = mask << from
selected := mask & value
if selected == mask {
return 0, false
} else {
return selected >> from, true
}
}
func (t ContactorInternalState) GetUnitId() uint {
return t.UnitId
}
func (t ContactorInternalErrors) GetUnitId() uint {
return t.UnitId
}
func (t PuPresentEnergy) GetUnitId() uint {
return t.UnitId
}
func (t PuPeriphery) GetUnitId() uint {
return t.UnitId
}