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| 1 | +package dpt |
| 2 | + |
| 3 | +import ( |
| 4 | + "fmt" |
| 5 | +) |
| 6 | + |
| 7 | +// DPT_242600 represents DPT 242.600 (DPT_Colour_xyY) |
| 8 | +// Colour xyY - x: 0-1 (= 0 - 65535) y: 0-1 (= 0 - 65535) |
| 9 | +// U16 U16 U8 r6B2 |
| 10 | +type DPT_242600 struct { |
| 11 | + X uint16 |
| 12 | + Y uint16 |
| 13 | + YBrightness uint8 |
| 14 | + ColorValid bool |
| 15 | + BrightnessValid bool |
| 16 | +} |
| 17 | + |
| 18 | +func (d DPT_242600) Pack() []byte { |
| 19 | + validBits := packB2(d.ColorValid, d.BrightnessValid) |
| 20 | + |
| 21 | + x := packU16(uint16(d.X)) |
| 22 | + y := packU16(uint16(d.Y)) |
| 23 | + |
| 24 | + return []byte{0, x[1], x[2], y[1], y[2], d.YBrightness, validBits[0]} |
| 25 | +} |
| 26 | + |
| 27 | +func (d *DPT_242600) Unpack(data []byte) error { |
| 28 | + if len(data) != 7 { |
| 29 | + return ErrInvalidLength |
| 30 | + } |
| 31 | + |
| 32 | + var colorValid, brightnessValid bool |
| 33 | + |
| 34 | + err := unpackB2([]byte{data[6]}, &colorValid, &brightnessValid) |
| 35 | + |
| 36 | + if err != nil { |
| 37 | + return ErrInvalidData |
| 38 | + } |
| 39 | + |
| 40 | + var x, y uint16 |
| 41 | + |
| 42 | + xData := []byte{0} |
| 43 | + xData = append(xData, data[1], data[2]) |
| 44 | + |
| 45 | + err = unpackU16(xData, &x) |
| 46 | + |
| 47 | + if err != nil { |
| 48 | + return ErrInvalidData |
| 49 | + } |
| 50 | + |
| 51 | + yData := []byte{0} |
| 52 | + yData = append(yData, data[3], data[4]) |
| 53 | + |
| 54 | + err = unpackU16(yData, &y) |
| 55 | + |
| 56 | + if err != nil { |
| 57 | + return ErrInvalidData |
| 58 | + } |
| 59 | + |
| 60 | + *d = DPT_242600{ |
| 61 | + X: x, |
| 62 | + Y: y, |
| 63 | + YBrightness: uint8(data[5]), |
| 64 | + ColorValid: colorValid, |
| 65 | + BrightnessValid: brightnessValid, |
| 66 | + } |
| 67 | + |
| 68 | + return nil |
| 69 | +} |
| 70 | + |
| 71 | +func (d DPT_242600) Unit() string { |
| 72 | + return "" |
| 73 | +} |
| 74 | + |
| 75 | +func (d DPT_242600) String() string { |
| 76 | + return fmt.Sprintf("x: %d y: %d Y: %d ColorValid: %t, BrightnessValid: %t", d.X, d.Y, d.YBrightness, d.ColorValid, d.BrightnessValid) |
| 77 | +} |
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