Rewizja rotate.go

1 file changed, 24 insertions, 4 deletions

rotate.go

			@@ -22,16 +22,16 @@ func rotateByte(v byte, n int, conj bool) byte {
22	22		b0 := int(byteData[i*2])
23	23		b1 := int(byteData[i*2+1])
24	24
25		-	// 0 degrees
26	25		c := complex(float32(b0), float32(b1))
27	26		for z := 0; z < n; z++ {
28	27		c *= rotation90
29	28		}
30		-	outByteData[i*2] = int(f2b(real(c)))
	29	+
	30	+	outByteData[i*2] = int(f2bSoft(real(c)))
31	31		if conj {
32		-	outByteData[i*2+1] = int(-f2b(imag(c)))
	32	+	outByteData[i*2+1] = int(f2bSoft(-imag(c)))
33	33		} else {
34		-	outByteData[i*2+1] = int(f2b(imag(c)))
	34	+	outByteData[i*2+1] = int(f2bSoft(imag(c)))
35	35		}
36	36		}
37	37		// endregion
			@@ -50,6 +50,26 @@ func rotateByte(v byte, n int, conj bool) byte {
50	50		return v
51	51		}
52	52
	53	+	func rotateSoftBuffer(buffer []byte, n int, conj bool) {
	54	+	for i := 0; i < len(buffer) / 2; i++ {
	55	+	// Sync Word
	56	+	b0 := int(buffer[i*2]) - 127
	57	+	b1 := int(buffer[i*2+1]) - 127
	58	+
	59	+	c := complex(float32(b0), float32(b1))
	60	+	for z := 0; z < n % 4; z++ {
	61	+	c *= rotation90
	62	+	}
	63	+
	64	+	buffer[i*2] = f2bSoft(real(c))
	65	+	if conj {
	66	+	buffer[i*2+1] = f2bSoft(-imag(c))
	67	+	} else {
	68	+	buffer[i*2+1] = f2bSoft(imag(c))
	69	+	}
	70	+	}
	71	+	}
	72	+
53	73		func init() {
54	74		constellationLut = make([]map[byte]byte, 8) // 8 Ambiguities (4 for QPSK and 4 for conjugated QPSK (IQ inversion)
55	75

1 file changed, 6 insertions, 1 deletion

rotate.go

			@@ -1,7 +1,8 @@
1	1
2	2		package main
3	3		var constellationLut []map[byte]byte
4		-	var rotation90 = complex(tools.Cos(float32(math.Pi/2)), tools.Sin(float32(math.Pi/2)))
	4	+
	5	+	var constellationLut []map[byte]byte
5	6
6	7		func rotateByte(v byte, n int, conj bool) byte {
7	8		byteData := make([]int, 8)
			@@ -52,6 +53,10 @@ func rotateByte(v byte, n int, conj bool) byte {
52	53		func init() {
53	54		constellationLut = make([]map[byte]byte, 8) // 8 Ambiguities (4 for QPSK and 4 for conjugated QPSK (IQ inversion)
54	55
	56	+	for i := 0; i < 8; i++ {
	57	+	constellationLut[i] = map[byte]byte{}
	58	+	}
	59	+
55	60		for i := 0; i < 256; i++ {
56	61		for n := 0; n < 4; n++ {
57	62		constellationLut[n][byte(i)] = rotateByte(byte(i), n, false)

1 file changed, 7 insertions, 7 deletions

rotate.go

			@@ -1,11 +1,11 @@
1		-	var rotation90 = complex(tools.Cos(float32(math.Pi/2)), tools.Sin(float32(math.Pi/2)))
2		-	package main
3	1
	2	+	package main
4	3		var constellationLut []map[byte]byte
	4	+	var rotation90 = complex(tools.Cos(float32(math.Pi/2)), tools.Sin(float32(math.Pi/2)))
5	5
6	6		func rotateByte(v byte, n int, conj bool) byte {
7		-	byteData := make([]byte, 8)
8		-	outByteData := make([]byte, 8)
	7	+	byteData := make([]int, 8)
	8	+	outByteData := make([]int, 8)
9	9
10	10		// region convert to bits in bytes
11	11		for i := 0; i < 8; i++ {
			@@ -26,11 +26,11 @@ func rotateByte(v byte, n int, conj bool) byte {
26	26		for z := 0; z < n; z++ {
27	27		c *= rotation90
28	28		}
29		-	outByteData[i*2] = f2b(real(c))
	29	+	outByteData[i*2] = int(f2b(real(c)))
30	30		if conj {
31		-	outByteData[i*2+1] = -f2b(imag(c))
	31	+	outByteData[i*2+1] = int(-f2b(imag(c)))
32	32		} else {
33		-	outByteData[i*2+1] = f2b(imag(c))
	33	+	outByteData[i*2+1] = int(f2b(imag(c)))
34	34		}
35	35		}
36	36		// endregion

1 file changed, 15 insertions

rotate.go

			@@ -1,4 +1,8 @@
1	1		var rotation90 = complex(tools.Cos(float32(math.Pi/2)), tools.Sin(float32(math.Pi/2)))
	2	+	package main
	3	+
	4	+	var constellationLut []map[byte]byte
	5	+
2	6		func rotateByte(v byte, n int, conj bool) byte {
3	7		byteData := make([]byte, 8)
4	8		outByteData := make([]byte, 8)
			@@ -44,3 +48,14 @@ func rotateByte(v byte, n int, conj bool) byte {
44	48
45	49		return v
46	50		}
	51	+
	52	+	func init() {
	53	+	constellationLut = make([]map[byte]byte, 8) // 8 Ambiguities (4 for QPSK and 4 for conjugated QPSK (IQ inversion)
	54	+
	55	+	for i := 0; i < 256; i++ {
	56	+	for n := 0; n < 4; n++ {
	57	+	constellationLut[n][byte(i)] = rotateByte(byte(i), n, false)
	58	+	constellationLut[n+4][byte(i)] = rotateByte(byte(i), n, true)
	59	+	}
	60	+	}
	61	+	}

1 file changed, 7 insertions, 3 deletions

rotate.go

			@@ -1,5 +1,5 @@
1	1		var rotation90 = complex(tools.Cos(float32(math.Pi/2)), tools.Sin(float32(math.Pi/2)))
2		-	func rotateByte(v byte, n int) byte {
	2	+	func rotateByte(v byte, n int, conj bool) byte {
3	3		byteData := make([]byte, 8)
4	4		outByteData := make([]byte, 8)
5	5
			@@ -23,7 +23,11 @@ func rotateByte(v byte, n int) byte {
23	23		c *= rotation90
24	24		}
25	25		outByteData[i*2] = f2b(real(c))
26		-	outByteData[i*2+1] = f2b(imag(c))
	26	+	if conj {
	27	+	outByteData[i*2+1] = -f2b(imag(c))
	28	+	} else {
	29	+	outByteData[i*2+1] = f2b(imag(c))
	30	+	}
27	31		}
28	32		// endregion
29	33		// region Unmap to Byte
			@@ -39,4 +43,4 @@ func rotateByte(v byte, n int) byte {
39	43		// endregion
40	44
41	45		return v
42		-	}
	46	+	}

1 file changed, 42 insertions

rotate.go(stworzono plik)

		@@ -0,0 +1,42 @@
1	+	var rotation90 = complex(tools.Cos(float32(math.Pi/2)), tools.Sin(float32(math.Pi/2)))
2	+	func rotateByte(v byte, n int) byte {
3	+	byteData := make([]byte, 8)
4	+	outByteData := make([]byte, 8)
5	+
6	+	// region convert to bits in bytes
7	+	for i := 0; i < 8; i++ {
8	+	byteData[i] = -127
9	+	if v & (1 << uint(i)) > 0 {
10	+	byteData[i] = 127
11	+	}
12	+	}
13	+	// endregion
14	+	// region Rotate
15	+	for i := 0; i < 4; i++ {
16	+	// Sync Word
17	+	b0 := int(byteData[i*2])
18	+	b1 := int(byteData[i*2+1])
19	+
20	+	// 0 degrees
21	+	c := complex(float32(b0), float32(b1))
22	+	for z := 0; z < n; z++ {
23	+	c *= rotation90
24	+	}
25	+	outByteData[i*2] = f2b(real(c))
26	+	outByteData[i*2+1] = f2b(imag(c))
27	+	}
28	+	// endregion
29	+	// region Unmap to Byte
30	+	v = 0
31	+	for i := 0; i < 8; i++ {
32	+	t := 0
33	+	if outByteData[i] > 0 {
34	+	t = 1
35	+	}
36	+
37	+	v \|= byte(t << uint(i))
38	+	}
39	+	// endregion
40	+
41	+	return v
42	+	}

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