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knx_utils.go
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package utils
import (
"fmt"
"reflect"
"regexp"
"strconv"
"strings"
"github.com/vapourismo/knx-go/knx/dpt"
)
var regexpGad = regexp.MustCompile(`\d+\/\d+\/\d+`)
var regexpTimeOfDay = regexp.MustCompile(`^(Monday|Tuesday|Wednesday|Thursday|Friday|Saturday|Sunday)?\s*(\d{2}):(\d{2}):(\d{2})$`)
var regexpDate = regexp.MustCompile(`^(\d{4})-(\d{2})-(\d{2})$`)
var regexpRgb = regexp.MustCompile(`^#([A-Fa-f0-9]{2})([A-Fa-f0-9]{2})([A-Fa-f0-9]{2})$`)
var regexpXyy = regexp.MustCompile(`^x:\s*(\d+)\s*y:\s*(\d+)\s*Y:\s*(\d+)\s*ColorValid:\s*(true|false),\s*BrightnessValid:\s*(true|false)$`)
var regexpRgbw = regexp.MustCompile(`^Red:\s*(\d+)\s*Green:\s*(\d+)\s*Blue:\s*(\d+)\s*White:\s*(\d+)\s*RedValid:\s*(true|false),\s*GreenValid:\s*(true|false),\s*BlueValid:\s*(true|false),\s*WhiteValid:\s*(true|false)$`)
var weekdays = map[string]uint8{
"Monday": 1, "Tuesday": 2, "Wednesday": 3,
"Thursday": 4, "Friday": 5, "Saturday": 6, "Sunday": 7,
}
func IsRegularGroupAddress(address string) bool {
return regexpGad.MatchString(address)
}
func PackString(datatype string, value string) ([]byte, error) {
if packFunc, exists := boolPackFunctions[datatype]; exists {
boolValue, err := strconv.ParseBool(value)
if err != nil {
return nil, fmt.Errorf("could not convert to boolean: %s", value)
}
return packFunc(boolValue), nil
}
if packFunc, exists := float32PackFunctions[datatype]; exists {
float32Value, err := strconv.ParseFloat(value, 32)
if err != nil {
return nil, fmt.Errorf("could not convert to float32: %s", value)
}
return packFunc(float32(float32Value)), nil
}
if packFunc, exists := uint8PackFunctions[datatype]; exists {
uint8Value, err := strconv.ParseUint(value, 10, 8)
if err != nil {
return nil, fmt.Errorf("could not convert to uint8: %s", value)
}
return packFunc(uint8(uint8Value)), nil
}
if packFunc, exists := int8PackFunctions[datatype]; exists {
int8Value, err := strconv.ParseInt(value, 10, 8)
if err != nil {
return nil, fmt.Errorf("could not convert to int8: %s", value)
}
return packFunc(int8(int8Value)), nil
}
if packFunc, exists := uint16PackFunctions[datatype]; exists {
uint16Value, err := strconv.ParseUint(value, 10, 16)
if err != nil {
return nil, fmt.Errorf("could not convert to uint16: %s", value)
}
return packFunc(uint16(uint16Value)), nil
}
if packFunc, exists := int16PackFunctions[datatype]; exists {
int16Value, err := strconv.ParseInt(value, 10, 16)
if err != nil {
return nil, fmt.Errorf("could not convert to int16: %s", value)
}
return packFunc(int16(int16Value)), nil
}
if packFunc, exists := uint32PackFunctions[datatype]; exists {
uint32Value, err := strconv.ParseUint(value, 10, 32)
if err != nil {
return nil, fmt.Errorf("could not convert to uint32: %s", value)
}
return packFunc(uint32(uint32Value)), nil
}
if packFunc, exists := int32PackFunctions[datatype]; exists {
int32Value, err := strconv.ParseInt(value, 10, 32)
if err != nil {
return nil, fmt.Errorf("could not convert to uint32: %s", value)
}
return packFunc(int32(int32Value)), nil
}
if packFunc, exists := stringPackFunctions[datatype]; exists {
return packFunc(value), nil
}
return nil, fmt.Errorf("unsupported datatype: %s", datatype)
}
// Define a map for datatype to packing functions
var boolPackFunctions = map[string]func(bool) []byte{
"1.001": func(value bool) []byte { return dpt.DPT_1001(value).Pack() },
"1.002": func(value bool) []byte { return dpt.DPT_1002(value).Pack() },
"1.003": func(value bool) []byte { return dpt.DPT_1003(value).Pack() },
"1.004": func(value bool) []byte { return dpt.DPT_1004(value).Pack() },
"1.005": func(value bool) []byte { return dpt.DPT_1005(value).Pack() },
"1.006": func(value bool) []byte { return dpt.DPT_1006(value).Pack() },
"1.007": func(value bool) []byte { return dpt.DPT_1007(value).Pack() },
"1.008": func(value bool) []byte { return dpt.DPT_1008(value).Pack() },
"1.009": func(value bool) []byte { return dpt.DPT_1009(value).Pack() },
"1.010": func(value bool) []byte { return dpt.DPT_1010(value).Pack() },
"1.011": func(value bool) []byte { return dpt.DPT_1011(value).Pack() },
"1.012": func(value bool) []byte { return dpt.DPT_1012(value).Pack() },
"1.013": func(value bool) []byte { return dpt.DPT_1013(value).Pack() },
"1.014": func(value bool) []byte { return dpt.DPT_1014(value).Pack() },
"1.015": func(value bool) []byte { return dpt.DPT_1015(value).Pack() },
"1.016": func(value bool) []byte { return dpt.DPT_1016(value).Pack() },
"1.017": func(value bool) []byte { return dpt.DPT_1017(value).Pack() },
"1.018": func(value bool) []byte { return dpt.DPT_1018(value).Pack() },
"1.019": func(value bool) []byte { return dpt.DPT_1019(value).Pack() },
"1.021": func(value bool) []byte { return dpt.DPT_1021(value).Pack() },
"1.022": func(value bool) []byte { return dpt.DPT_1022(value).Pack() },
"1.023": func(value bool) []byte { return dpt.DPT_1023(value).Pack() },
"1.024": func(value bool) []byte { return dpt.DPT_1024(value).Pack() },
"1.100": func(value bool) []byte { return dpt.DPT_1100(value).Pack() },
}
var float32PackFunctions = map[string]func(float32) []byte{
"5.001": func(value float32) []byte { return dpt.DPT_5001(value).Pack() },
"5.003": func(value float32) []byte { return dpt.DPT_5003(value).Pack() },
"9.001": func(value float32) []byte { return dpt.DPT_9001(value).Pack() },
"9.002": func(value float32) []byte { return dpt.DPT_9002(value).Pack() },
"9.003": func(value float32) []byte { return dpt.DPT_9003(value).Pack() },
"9.004": func(value float32) []byte { return dpt.DPT_9004(value).Pack() },
"9.005": func(value float32) []byte { return dpt.DPT_9005(value).Pack() },
"9.006": func(value float32) []byte { return dpt.DPT_9006(value).Pack() },
"9.007": func(value float32) []byte { return dpt.DPT_9007(value).Pack() },
"9.008": func(value float32) []byte { return dpt.DPT_9008(value).Pack() },
"9.010": func(value float32) []byte { return dpt.DPT_9010(value).Pack() },
"9.011": func(value float32) []byte { return dpt.DPT_9011(value).Pack() },
"9.020": func(value float32) []byte { return dpt.DPT_9020(value).Pack() },
"9.021": func(value float32) []byte { return dpt.DPT_9021(value).Pack() },
"9.022": func(value float32) []byte { return dpt.DPT_9022(value).Pack() },
"9.023": func(value float32) []byte { return dpt.DPT_9023(value).Pack() },
"9.024": func(value float32) []byte { return dpt.DPT_9024(value).Pack() },
"9.025": func(value float32) []byte { return dpt.DPT_9025(value).Pack() },
"9.026": func(value float32) []byte { return dpt.DPT_9026(value).Pack() },
"9.027": func(value float32) []byte { return dpt.DPT_9027(value).Pack() },
"9.028": func(value float32) []byte { return dpt.DPT_9028(value).Pack() },
"9.029": func(value float32) []byte { return dpt.DPT_9029(value).Pack() },
"14.000": func(value float32) []byte { return dpt.DPT_14000(value).Pack() },
"14.001": func(value float32) []byte { return dpt.DPT_14001(value).Pack() },
"14.002": func(value float32) []byte { return dpt.DPT_14002(value).Pack() },
"14.003": func(value float32) []byte { return dpt.DPT_14003(value).Pack() },
"14.004": func(value float32) []byte { return dpt.DPT_14004(value).Pack() },
"14.005": func(value float32) []byte { return dpt.DPT_14005(value).Pack() },
"14.006": func(value float32) []byte { return dpt.DPT_14006(value).Pack() },
"14.007": func(value float32) []byte { return dpt.DPT_14007(value).Pack() },
"14.008": func(value float32) []byte { return dpt.DPT_14008(value).Pack() },
"14.009": func(value float32) []byte { return dpt.DPT_14009(value).Pack() },
"14.010": func(value float32) []byte { return dpt.DPT_14010(value).Pack() },
"14.011": func(value float32) []byte { return dpt.DPT_14011(value).Pack() },
"14.012": func(value float32) []byte { return dpt.DPT_14012(value).Pack() },
"14.013": func(value float32) []byte { return dpt.DPT_14013(value).Pack() },
"14.014": func(value float32) []byte { return dpt.DPT_14014(value).Pack() },
"14.015": func(value float32) []byte { return dpt.DPT_14015(value).Pack() },
"14.016": func(value float32) []byte { return dpt.DPT_14016(value).Pack() },
"14.017": func(value float32) []byte { return dpt.DPT_14017(value).Pack() },
"14.018": func(value float32) []byte { return dpt.DPT_14018(value).Pack() },
"14.019": func(value float32) []byte { return dpt.DPT_14019(value).Pack() },
"14.020": func(value float32) []byte { return dpt.DPT_14020(value).Pack() },
"14.021": func(value float32) []byte { return dpt.DPT_14021(value).Pack() },
"14.022": func(value float32) []byte { return dpt.DPT_14022(value).Pack() },
"14.023": func(value float32) []byte { return dpt.DPT_14023(value).Pack() },
"14.024": func(value float32) []byte { return dpt.DPT_14024(value).Pack() },
"14.025": func(value float32) []byte { return dpt.DPT_14025(value).Pack() },
"14.026": func(value float32) []byte { return dpt.DPT_14026(value).Pack() },
"14.027": func(value float32) []byte { return dpt.DPT_14027(value).Pack() },
"14.028": func(value float32) []byte { return dpt.DPT_14028(value).Pack() },
"14.029": func(value float32) []byte { return dpt.DPT_14029(value).Pack() },
"14.030": func(value float32) []byte { return dpt.DPT_14030(value).Pack() },
"14.031": func(value float32) []byte { return dpt.DPT_14031(value).Pack() },
"14.032": func(value float32) []byte { return dpt.DPT_14032(value).Pack() },
"14.033": func(value float32) []byte { return dpt.DPT_14033(value).Pack() },
"14.034": func(value float32) []byte { return dpt.DPT_14034(value).Pack() },
"14.035": func(value float32) []byte { return dpt.DPT_14035(value).Pack() },
"14.036": func(value float32) []byte { return dpt.DPT_14036(value).Pack() },
"14.037": func(value float32) []byte { return dpt.DPT_14037(value).Pack() },
"14.038": func(value float32) []byte { return dpt.DPT_14038(value).Pack() },
"14.039": func(value float32) []byte { return dpt.DPT_14039(value).Pack() },
"14.040": func(value float32) []byte { return dpt.DPT_14040(value).Pack() },
"14.041": func(value float32) []byte { return dpt.DPT_14041(value).Pack() },
"14.042": func(value float32) []byte { return dpt.DPT_14042(value).Pack() },
"14.043": func(value float32) []byte { return dpt.DPT_14043(value).Pack() },
"14.044": func(value float32) []byte { return dpt.DPT_14044(value).Pack() },
"14.045": func(value float32) []byte { return dpt.DPT_14045(value).Pack() },
"14.046": func(value float32) []byte { return dpt.DPT_14046(value).Pack() },
"14.047": func(value float32) []byte { return dpt.DPT_14047(value).Pack() },
"14.048": func(value float32) []byte { return dpt.DPT_14048(value).Pack() },
"14.049": func(value float32) []byte { return dpt.DPT_14049(value).Pack() },
"14.050": func(value float32) []byte { return dpt.DPT_14050(value).Pack() },
"14.051": func(value float32) []byte { return dpt.DPT_14051(value).Pack() },
"14.052": func(value float32) []byte { return dpt.DPT_14052(value).Pack() },
"14.053": func(value float32) []byte { return dpt.DPT_14053(value).Pack() },
"14.054": func(value float32) []byte { return dpt.DPT_14054(value).Pack() },
"14.055": func(value float32) []byte { return dpt.DPT_14055(value).Pack() },
"14.056": func(value float32) []byte { return dpt.DPT_14056(value).Pack() },
"14.057": func(value float32) []byte { return dpt.DPT_14057(value).Pack() },
"14.058": func(value float32) []byte { return dpt.DPT_14058(value).Pack() },
"14.059": func(value float32) []byte { return dpt.DPT_14059(value).Pack() },
"14.060": func(value float32) []byte { return dpt.DPT_14060(value).Pack() },
"14.061": func(value float32) []byte { return dpt.DPT_14061(value).Pack() },
"14.062": func(value float32) []byte { return dpt.DPT_14062(value).Pack() },
"14.063": func(value float32) []byte { return dpt.DPT_14063(value).Pack() },
"14.064": func(value float32) []byte { return dpt.DPT_14064(value).Pack() },
"14.065": func(value float32) []byte { return dpt.DPT_14065(value).Pack() },
"14.066": func(value float32) []byte { return dpt.DPT_14066(value).Pack() },
"14.067": func(value float32) []byte { return dpt.DPT_14067(value).Pack() },
"14.068": func(value float32) []byte { return dpt.DPT_14068(value).Pack() },
"14.069": func(value float32) []byte { return dpt.DPT_14069(value).Pack() },
"14.070": func(value float32) []byte { return dpt.DPT_14070(value).Pack() },
"14.071": func(value float32) []byte { return dpt.DPT_14071(value).Pack() },
"14.072": func(value float32) []byte { return dpt.DPT_14072(value).Pack() },
"14.073": func(value float32) []byte { return dpt.DPT_14073(value).Pack() },
"14.074": func(value float32) []byte { return dpt.DPT_14074(value).Pack() },
"14.075": func(value float32) []byte { return dpt.DPT_14075(value).Pack() },
"14.076": func(value float32) []byte { return dpt.DPT_14076(value).Pack() },
"14.077": func(value float32) []byte { return dpt.DPT_14077(value).Pack() },
"14.078": func(value float32) []byte { return dpt.DPT_14078(value).Pack() },
"14.079": func(value float32) []byte { return dpt.DPT_14079(value).Pack() },
"14.1200": func(value float32) []byte { return dpt.DPT_141200(value).Pack() },
}
var uint8PackFunctions = map[string]func(uint8) []byte{
"5.004": func(value uint8) []byte { return dpt.DPT_5004(value).Pack() },
"5.005": func(value uint8) []byte { return dpt.DPT_5005(value).Pack() },
"17.001": func(value uint8) []byte { return dpt.DPT_17001(value).Pack() },
"18.001": func(value uint8) []byte { return dpt.DPT_18001(value).Pack() },
"20.102": func(value uint8) []byte { return dpt.DPT_20102(value).Pack() },
"20.105": func(value uint8) []byte { return dpt.DPT_20105(value).Pack() },
}
var int8PackFunctions = map[string]func(int8) []byte{
"6.010": func(value int8) []byte { return dpt.DPT_6010(value).Pack() },
}
var uint16PackFunctions = map[string]func(uint16) []byte{
"7.001": func(value uint16) []byte { return dpt.DPT_7001(value).Pack() },
"7.002": func(value uint16) []byte { return dpt.DPT_7002(value).Pack() },
"7.003": func(value uint16) []byte { return dpt.DPT_7003(value).Pack() },
"7.004": func(value uint16) []byte { return dpt.DPT_7004(value).Pack() },
"7.005": func(value uint16) []byte { return dpt.DPT_7005(value).Pack() },
"7.006": func(value uint16) []byte { return dpt.DPT_7006(value).Pack() },
"7.007": func(value uint16) []byte { return dpt.DPT_7007(value).Pack() },
"7.010": func(value uint16) []byte { return dpt.DPT_7010(value).Pack() },
"7.011": func(value uint16) []byte { return dpt.DPT_7011(value).Pack() },
"7.012": func(value uint16) []byte { return dpt.DPT_7012(value).Pack() },
"7.013": func(value uint16) []byte { return dpt.DPT_7013(value).Pack() },
"7.600": func(value uint16) []byte { return dpt.DPT_7600(value).Pack() },
}
var int16PackFunctions = map[string]func(int16) []byte{
"8.001": func(value int16) []byte { return dpt.DPT_8001(value).Pack() },
"8.002": func(value int16) []byte { return dpt.DPT_8002(value).Pack() },
"8.003": func(value int16) []byte { return dpt.DPT_8003(value).Pack() },
"8.004": func(value int16) []byte { return dpt.DPT_8004(value).Pack() },
"8.005": func(value int16) []byte { return dpt.DPT_8005(value).Pack() },
"8.006": func(value int16) []byte { return dpt.DPT_8006(value).Pack() },
"8.007": func(value int16) []byte { return dpt.DPT_8007(value).Pack() },
"8.010": func(value int16) []byte { return dpt.DPT_8010(value).Pack() },
"8.011": func(value int16) []byte { return dpt.DPT_8011(value).Pack() },
}
var uint32PackFunctions = map[string]func(uint32) []byte{
"12.001": func(value uint32) []byte { return dpt.DPT_12001(value).Pack() },
}
var int32PackFunctions = map[string]func(int32) []byte{
"13.001": func(value int32) []byte { return dpt.DPT_13001(value).Pack() },
"13.002": func(value int32) []byte { return dpt.DPT_13002(value).Pack() },
"13.010": func(value int32) []byte { return dpt.DPT_13010(value).Pack() },
"13.011": func(value int32) []byte { return dpt.DPT_13011(value).Pack() },
"13.012": func(value int32) []byte { return dpt.DPT_13012(value).Pack() },
"13.013": func(value int32) []byte { return dpt.DPT_13013(value).Pack() },
"13.014": func(value int32) []byte { return dpt.DPT_13014(value).Pack() },
"13.015": func(value int32) []byte { return dpt.DPT_13015(value).Pack() },
"13.016": func(value int32) []byte { return dpt.DPT_13016(value).Pack() },
"13.100": func(value int32) []byte { return dpt.DPT_13100(value).Pack() },
}
var stringPackFunctions = map[string]func(string) []byte{
"10.001": func(value string) []byte {
matches := regexpTimeOfDay.FindStringSubmatch(value)
if matches == nil {
return nil
}
var weekday uint8
if day, ok := weekdays[matches[1]]; ok {
weekday = day
}
hour, _ := strconv.ParseUint(matches[2], 10, 8)
minute, _ := strconv.ParseUint(matches[3], 10, 8)
second, _ := strconv.ParseUint(matches[4], 10, 8)
datapoint := dpt.DPT_10001{
Weekday: weekday,
Hour: uint8(hour),
Minutes: uint8(minute),
Seconds: uint8(second),
}
return datapoint.Pack()
},
"11.001": func(value string) []byte {
matches := regexpDate.FindStringSubmatch(value)
if matches == nil {
return nil
}
year, _ := strconv.ParseUint(matches[1], 10, 16)
month, _ := strconv.ParseUint(matches[2], 10, 8)
day, _ := strconv.ParseUint(matches[3], 10, 8)
datapoint := dpt.DPT_11001{
Year: uint16(year),
Month: uint8(month),
Day: uint8(day),
}
return datapoint.Pack()
},
"16.000": func(value string) []byte { return dpt.DPT_16000(value).Pack() },
"16.001": func(value string) []byte { return dpt.DPT_16001(value).Pack() },
"28.001": func(value string) []byte { return dpt.DPT_28001(value).Pack() },
"232.600": func(value string) []byte {
matches := regexpRgb.FindStringSubmatch(value)
if matches == nil {
return nil
}
red, err := strconv.ParseUint(matches[1], 16, 8)
if err != nil {
return nil
}
green, err := strconv.ParseUint(matches[2], 16, 8)
if err != nil {
return nil
}
blue, err := strconv.ParseUint(matches[3], 16, 8)
if err != nil {
return nil
}
datapoint := dpt.DPT_232600{
Red: uint8(red),
Green: uint8(green),
Blue: uint8(blue),
}
return datapoint.Pack()
},
"242.600": func(value string) []byte {
matches := regexpXyy.FindStringSubmatch(value)
if matches == nil {
return nil
}
// Parse the extracted strings to appropriate types
x, err := strconv.ParseUint(matches[1], 10, 16)
if err != nil {
return nil
}
y, err := strconv.ParseUint(matches[2], 10, 16)
if err != nil {
return nil
}
yBrightness, err := strconv.ParseUint(matches[3], 10, 8)
if err != nil {
return nil
}
colorValid, err := strconv.ParseBool(matches[4])
if err != nil {
return nil
}
brightnessValid, err := strconv.ParseBool(matches[5])
if err != nil {
return nil
}
datapoint := dpt.DPT_242600{
X: uint16(x),
Y: uint16(y),
YBrightness: uint8(yBrightness),
ColorValid: colorValid,
BrightnessValid: brightnessValid,
}
return datapoint.Pack()
},
"251.600": func(value string) []byte {
matches := regexpRgbw.FindStringSubmatch(value)
if matches == nil {
return nil
}
// Parse the extracted strings to appropriate types
red, err := strconv.ParseUint(matches[1], 10, 8)
if err != nil {
return nil
}
green, err := strconv.ParseUint(matches[2], 10, 8)
if err != nil {
return nil
}
blue, err := strconv.ParseUint(matches[3], 10, 8)
if err != nil {
return nil
}
white, err := strconv.ParseUint(matches[4], 10, 8)
if err != nil {
return nil
}
redValid, err := strconv.ParseBool(matches[5])
if err != nil {
return nil
}
greenValid, err := strconv.ParseBool(matches[6])
if err != nil {
return nil
}
blueValid, err := strconv.ParseBool(matches[7])
if err != nil {
return nil
}
whiteValid, err := strconv.ParseBool(matches[8])
if err != nil {
return nil
}
// Create the DPT_251600 instance
datapoint := dpt.DPT_251600{
Red: uint8(red),
Green: uint8(green),
Blue: uint8(blue),
White: uint8(white),
RedValid: redValid,
GreenValid: greenValid,
BlueValid: blueValid,
WhiteValid: whiteValid,
}
return datapoint.Pack()
},
}
func ExtractDatapointValue(dp dpt.Datapoint, dptType string) interface{} {
mainType := strings.SplitN(dptType, ".", 2)[0]
rv := reflect.ValueOf(dp)
if rv.Kind() == reflect.Ptr {
rv = rv.Elem()
}
switch mainType {
case "1":
if rv.Kind() == reflect.Bool {
return rv.Bool()
}
case "6":
if rv.Kind() == reflect.Int8 {
return int8(rv.Int())
}
case "7":
if rv.Kind() == reflect.Uint16 {
return uint16(rv.Uint())
}
case "9", "14":
if rv.Kind() == reflect.Float32 {
return float32(rv.Float())
}
case "12":
if rv.Kind() == reflect.Uint32 {
return uint32(rv.Uint())
}
case "13":
if rv.Kind() == reflect.Int32 {
return int32(rv.Int())
}
case "17", "18", "20":
if rv.Kind() == reflect.Uint8 {
return uint8(rv.Uint())
}
}
switch dptType {
case "5.001", "5.003", "8.003", "8.004", "8.010":
if rv.Kind() == reflect.Float32 {
return float32(rv.Float())
}
case "5.004", "5.005":
if rv.Kind() == reflect.Uint8 {
return uint8(rv.Uint())
}
case "8.001", "8.002", "8.005", "8.006", "8.007", "8.011":
if rv.Kind() == reflect.Int16 {
return int16(rv.Int())
}
}
return StringWithoutSuffix(dp)
}