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Merge pull request 'Add "native" candump support' (#2) from feat/candump into master

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Reviewed-on: #2
This commit was merged in pull request #2.
This commit is contained in:
didinst
2025-09-16 12:33:13 +00:00
parent 0bd594d32d 77a1ab7ecb
commit f7456cc816
5 changed files with 125 additions and 88 deletions
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can.go
+3 -2
View File
@@ -117,10 +117,11 @@ func StartCan(canbus string) (<-chan *CanFrame, error) {
for { //TODO implement stop
if id, data, serr := socket.Recv(); serr == nil {
var now = time.Now()
canevents <- &CanFrame{
date: time.Now().String(),
date: &now,
canid: id,
payload: data,
payload: &data,
}
}
}
chademo.go
+72 -71
View File
@@ -2,11 +2,12 @@ package main
import (
"fmt"
"time"
)
type ChademoEvent interface {
// GetValue Return processed/calculated value and timestamp string
GetValue() (interface{}, *string)
GetValue() (interface{}, *time.Time)
}
type frame struct {
@@ -266,142 +267,142 @@ func getChargerStopControl(bytes *[]uint8) StopControl {
return OPERATING
}
func (m MaximumBatteryVoltage) GetValue() (interface{}, *string) {
return bytesToUint16(m.payload[4:6]), &m.date
func (m MaximumBatteryVoltage) GetValue() (interface{}, *time.Time) {
return bytesToUint16((*m.payload)[4:6]), m.date
}
func (c ConstChargingRateInd) GetValue() (interface{}, *string) {
return c.payload[6], &c.date
func (c ConstChargingRateInd) GetValue() (interface{}, *time.Time) {
return (*c.payload)[6], c.date
}
func (b BatteryCapacity) GetValue() (interface{}, *string) {
return 0.1 * float32(bytesToUint16(b.payload[5:7])), &b.date
func (b BatteryCapacity) GetValue() (interface{}, *time.Time) {
return 0.1 * float32(bytesToUint16((*b.payload)[5:7])), b.date
}
func (m MaxChargingTimeS) GetValue() (interface{}, *string) {
return 10 * uint16(m.payload[1]), &m.date
func (m MaxChargingTimeS) GetValue() (interface{}, *time.Time) {
return 10 * uint16((*m.payload)[1]), m.date
}
func (m MaxChargingTimeM) GetValue() (interface{}, *string) {
return m.payload[2], &m.date
func (m MaxChargingTimeM) GetValue() (interface{}, *time.Time) {
return (*m.payload)[2], m.date
}
func (e EstChargingTimeM) GetValue() (interface{}, *string) {
return e.payload[3], &e.date
func (e EstChargingTimeM) GetValue() (interface{}, *time.Time) {
return (*e.payload)[3], e.date
}
func (c EVControlProtocolNumber) GetValue() (interface{}, *string) {
return c.payload[0], &c.date
func (c EVControlProtocolNumber) GetValue() (interface{}, *time.Time) {
return (*c.payload)[0], c.date
}
func (t TargetBatteryVoltage) GetValue() (interface{}, *string) {
return bytesToUint16(t.payload[1:3]), &t.date
func (t TargetBatteryVoltage) GetValue() (interface{}, *time.Time) {
return bytesToUint16((*t.payload)[1:3]), t.date
}
func (c ChargingCurrentReq) GetValue() (interface{}, *string) {
return c.payload[3], &c.date
func (c ChargingCurrentReq) GetValue() (interface{}, *time.Time) {
return (*c.payload)[3], c.date
}
func (c ChargingRate) GetValue() (interface{}, *string) {
return c.payload[6], &c.date
func (c ChargingRate) GetValue() (interface{}, *time.Time) {
return (*c.payload)[6], c.date
}
func (s ShiftLever) GetValue() (interface{}, *string) {
return getVehicleShiftLever(&s.payload), &s.date
func (s ShiftLever) GetValue() (interface{}, *time.Time) {
return getVehicleShiftLever(s.payload), s.date
}
func (v VehicleCharging) GetValue() (interface{}, *string) {
return getVehicleCharging(&v.payload), &v.date
func (v VehicleCharging) GetValue() (interface{}, *time.Time) {
return getVehicleCharging(v.payload), v.date
}
func (c ChargingSystemFault) GetValue() (interface{}, *string) {
return getFault(&c.payload, 5, 2), &c.date
func (c ChargingSystemFault) GetValue() (interface{}, *time.Time) {
return getFault(c.payload, 5, 2), c.date
}
func (v VehicleStatus) GetValue() (interface{}, *string) {
return getVehicleStatus(&v.payload), &v.date
func (v VehicleStatus) GetValue() (interface{}, *time.Time) {
return getVehicleStatus(v.payload), v.date
}
func (n NormalStopReq) GetValue() (interface{}, *string) {
return getNormalStopReq(&n.payload), &n.date
func (n NormalStopReq) GetValue() (interface{}, *time.Time) {
return getNormalStopReq(n.payload), n.date
}
func (b BattOvervoltage) GetValue() (interface{}, *string) {
return getFault(&b.payload, 4, 0), &b.date
func (b BattOvervoltage) GetValue() (interface{}, *time.Time) {
return getFault(b.payload, 4, 0), b.date
}
func (b BattUndervoltage) GetValue() (interface{}, *string) {
return getFault(&b.payload, 4, 1), &b.date
func (b BattUndervoltage) GetValue() (interface{}, *time.Time) {
return getFault(b.payload, 4, 1), b.date
}
func (b BattCurrentDeviationErr) GetValue() (interface{}, *string) {
return getFault(&b.payload, 4, 2), &b.date
func (b BattCurrentDeviationErr) GetValue() (interface{}, *time.Time) {
return getFault(b.payload, 4, 2), b.date
}
func (h HighBattTemperature) GetValue() (interface{}, *string) {
return getFault(&h.payload, 4, 3), &h.date
func (h HighBattTemperature) GetValue() (interface{}, *time.Time) {
return getFault(h.payload, 4, 3), h.date
}
func (b BattVoltageDeviationErr) GetValue() (interface{}, *string) {
return getFault(&b.payload, 4, 4), &b.date
func (b BattVoltageDeviationErr) GetValue() (interface{}, *time.Time) {
return getFault(b.payload, 4, 4), b.date
}
func (e EVcontWeldingDetectSupport) GetValue() (interface{}, *string) {
return evWeldingDetectionSupport(&e.payload), &e.date
func (e EVcontWeldingDetectSupport) GetValue() (interface{}, *time.Time) {
return evWeldingDetectionSupport(e.payload), e.date
}
func (a AvailableOutputVoltage) GetValue() (interface{}, *string) {
return bytesToUint16(a.payload[1:3]), &a.date
func (a AvailableOutputVoltage) GetValue() (interface{}, *time.Time) {
return bytesToUint16((*a.payload)[1:3]), a.date
}
func (a AvailableOutputCurrent) GetValue() (interface{}, *string) {
return a.payload[3], &a.date
func (a AvailableOutputCurrent) GetValue() (interface{}, *time.Time) {
return (*a.payload)[3], a.date
}
func (t ThresholdVoltage) GetValue() (interface{}, *string) {
return bytesToUint16(t.payload[4:6]), &t.date
func (t ThresholdVoltage) GetValue() (interface{}, *time.Time) {
return bytesToUint16((*t.payload)[4:6]), t.date
}
func (e EVSEControlProtocolNumber) GetValue() (interface{}, *string) {
return e.payload[0], &e.date
func (e EVSEControlProtocolNumber) GetValue() (interface{}, *time.Time) {
return (*e.payload)[0], e.date
}
func (o OutputVoltage) GetValue() (interface{}, *string) {
return bytesToUint16(o.payload[1:3]), &o.date
func (o OutputVoltage) GetValue() (interface{}, *time.Time) {
return bytesToUint16((*o.payload)[1:3]), o.date
}
func (o OutputCurrent) GetValue() (interface{}, *string) {
return o.payload[3], &o.date
func (o OutputCurrent) GetValue() (interface{}, *time.Time) {
return (*o.payload)[3], o.date
}
func (r RemainingChargingTimeS) GetValue() (interface{}, *string) {
return r.payload[6] * 10, &r.date
func (r RemainingChargingTimeS) GetValue() (interface{}, *time.Time) {
return (*r.payload)[6] * 10, r.date
}
func (r RemainingChargingTimeM) GetValue() (interface{}, *string) {
return r.payload[7], &r.date
func (r RemainingChargingTimeM) GetValue() (interface{}, *time.Time) {
return (*r.payload)[7], r.date
}
func (s StationStatus) GetValue() (interface{}, *string) {
return getStationState(&s.payload), &s.date
func (s StationStatus) GetValue() (interface{}, *time.Time) {
return getStationState(s.payload), s.date
}
func (s StationMalfunction) GetValue() (interface{}, *string) {
return getFault(&s.payload, 5, 1), &s.date
func (s StationMalfunction) GetValue() (interface{}, *time.Time) {
return getFault(s.payload, 5, 1), s.date
}
func (v VehicleConnectorLock) GetValue() (interface{}, *string) {
return getConnectorLock(&v.payload), &v.date
func (v VehicleConnectorLock) GetValue() (interface{}, *time.Time) {
return getConnectorLock(v.payload), v.date
}
func (b BatteryIncompatibility) GetValue() (interface{}, *string) {
return getBatteryCompatibility(&b.payload), &b.date
func (b BatteryIncompatibility) GetValue() (interface{}, *time.Time) {
return getBatteryCompatibility(b.payload), b.date
}
func (c ChargingSystemMalfunction) GetValue() (interface{}, *string) {
return getFault(&c.payload, 5, 4), &c.date
func (c ChargingSystemMalfunction) GetValue() (interface{}, *time.Time) {
return getFault(c.payload, 5, 4), c.date
}
func (c ChargerStopControl) GetValue() (interface{}, *string) {
return getChargerStopControl(&c.payload), &c.date
func (c ChargerStopControl) GetValue() (interface{}, *time.Time) {
return getChargerStopControl(c.payload), c.date
}
files.go
+35 -10
View File
@@ -6,13 +6,18 @@ import (
"os"
"regexp"
"strconv"
"time"
)
// (2022-07-08 16:54:15.587099) can0 100 [8] 00 00 00 00 00 00 64 00
const expr = "\\((.*)\\)\\s+can\\d+\\s+(\\d+)\\s+\\[\\d\\]\\s+([A-F0-9]+)\\s+([A-F0-9]+)\\s+([A-F0-9]+)\\s+([A-F0-9]+)\\s+([A-F0-9]+)\\s+([A-F0-9]+)\\s+([A-F0-9]+)\\s+([A-F0-9]+)"
// (2022-07-08 16:54:15.587099) can0 100 [8] 00 00 00 00 00 00 64 00
const EXPR_HR = "\\((.*)\\)\\s+can\\d+\\s+(\\S+)\\s+\\[\\d\\]\\s+([A-F0-9]+)\\s+([A-F0-9]+)\\s+([A-F0-9]+)\\s+([A-F0-9]+)\\s+([A-F0-9]+)\\s+([A-F0-9]+)\\s+([A-F0-9]+)\\s+([A-F0-9]+)"
const EXPR_M = "\\((\\d+)\\.(\\d+)\\)\\s+can\\d+\\s+(\\S+)#([A-F0-9]{2})([A-F0-9]{2})([A-F0-9]{2})([A-F0-9]{2})([A-F0-9]{2})([A-F0-9]{2})([A-F0-9]{2})([A-F0-9]{2})"
const length = 11
var pattern = regexp.MustCompile(expr)
const time_hr_layout = "2006-01-02 15:04:05.000000"
var patternHr = regexp.MustCompile(EXPR_HR)
var patternM = regexp.MustCompile(EXPR_M)
func Readfile(filename *string) <-chan *CanFrame {
c := make(chan *CanFrame)
@@ -42,15 +47,35 @@ func Readfile(filename *string) <-chan *CanFrame {
}
func fromString(text *string) *CanFrame {
submatch := pattern.FindStringSubmatch(*text)
if len(submatch) == length {
canid, err := strconv.ParseUint(submatch[2], 16, 0)
var match []string
var now time.Time
var offset int
if match = patternHr.FindStringSubmatch(*text); match != nil {
now, _ = time.ParseInLocation(time_hr_layout, match[1], time.Local)
offset = 0
} else if match = patternM.FindStringSubmatch(*text); match != nil {
var seconds, _ = strconv.ParseInt(match[1], 10, 0)
var nanos, _ = strconv.ParseInt(match[2], 10, 0)
now = time.Unix(seconds, nanos*1000) //.In(time.Local)
// Correct time to local zone
var _, zoneoffset = now.Zone()
now = now.Add(-time.Duration(zoneoffset) * time.Second)
offset = 1
} else {
return nil
}
if len(match) == length+offset {
canId, err := strconv.ParseUint(match[2+offset], 16, 0)
if err != nil {
return nil
}
payload := make([]uint8, 8)
for idx, octet := range submatch[3:] {
for idx, octet := range match[3+offset:] {
val, err := strconv.ParseUint(octet, 16, 0)
if err != nil {
fmt.Println(err)
@@ -61,9 +86,9 @@ func fromString(text *string) *CanFrame {
}
return &CanFrame{
date: submatch[1],
canid: uint32(canid),
payload: payload,
date: &now,
canid: uint32(canId),
payload: &payload,
}
}
files_test.go
+11 -3
View File
@@ -3,6 +3,7 @@ package main
import (
"reflect"
"testing"
"time"
)
func TestFromString(t *testing.T) {
@@ -11,6 +12,7 @@ func TestFromString(t *testing.T) {
}
var dump = "(2022-07-08 16:54:15.587099) can0 100 [8] 00 00 00 00 00 00 64 00"
var timestamp = time.Date(2022, 07, 8, 16, 54, 15, 587099, time.Local) //"2022-07-08 16:54:15.587099"
tests := []struct {
name string
@@ -23,14 +25,20 @@ func TestFromString(t *testing.T) {
args: args{text: &dump},
want: &CanFrame{
canid: CAN_ID_100,
date: "2022-07-08 16:54:15.587099",
payload: []uint8{0, 0, 0, 0, 0, 0, 0x64, 0},
date: &timestamp,
payload: &[]uint8{0, 0, 0, 0, 0, 0, 0x64, 0},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := fromString(tt.args.text); !reflect.DeepEqual(got, tt.want) {
var got = fromString(tt.args.text)
var isDate = got.date.Compare(*tt.want.date) == 0
var isPayload = reflect.DeepEqual(*got.payload, *tt.want.payload)
var isId = got.canid == tt.want.canid
if isDate && isPayload && isId {
t.Errorf("fromString() = %v, want %v", got, tt.want)
}
})
types.go
+4 -2
View File
@@ -1,5 +1,7 @@
package main
import "time"
const (
CAN_ID_100 = 0x100
CAN_ID_101 = 0x101
@@ -60,8 +62,8 @@ type StopControl uint8
type CanFrame struct {
canid uint32
payload []uint8
date string
payload *[]uint8
date *time.Time
}
func (v VehicleChargingEnabled) String() string {