Lucas Teske zrewidował ten Gist 11 years ago. Przejdź do rewizji
1 file changed, 113 insertions
frsky.py(stworzono plik)
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| 1 | + | #!/usr/bin/env python | |
| 2 | + | ||
| 3 | + | ''' | |
| 4 | + | _____ ____ _ | |
| 5 | + | | ___| __/ ___|| | ___ _ | |
| 6 | + | | |_ | '__\___ \| |/ / | | | | |
| 7 | + | | _|| | ___) | <| |_| | | |
| 8 | + | |_| |_| |____/|_|\_\\__, | | |
| 9 | + | |___/ | |
| 10 | + | ||
| 11 | + | Host Protocol Decoder (HUB Data) | |
| 12 | + | ||
| 13 | + | Note: TX/RX are inverted | |
| 14 | + | ||
| 15 | + | ''' | |
| 16 | + | ||
| 17 | + | import serial | |
| 18 | + | import struct | |
| 19 | + | import math | |
| 20 | + | ||
| 21 | + | ser = serial.Serial("/dev/ttyUSB0", 9600, timeout=2) | |
| 22 | + | ||
| 23 | + | data = [] | |
| 24 | + | userdata = [] | |
| 25 | + | count = 0 | |
| 26 | + | stuffnext = False | |
| 27 | + | stuffunext = False | |
| 28 | + | ignorenext = False | |
| 29 | + | ||
| 30 | + | frsky = { | |
| 31 | + | "latitude" : 0, | |
| 32 | + | "longitude" : 0, | |
| 33 | + | "galtitude" : 0, | |
| 34 | + | "altitude" : 0, | |
| 35 | + | "temperature1" : 0, | |
| 36 | + | "temperature2" : 0, | |
| 37 | + | "gpsspeed" : 0 | |
| 38 | + | } | |
| 39 | + | ||
| 40 | + | def ProcessUserData(): | |
| 41 | + | if userdata[1] == 0x1: | |
| 42 | + | fract, inte = math.modf(frsky["galtitude"]) | |
| 43 | + | frsky["galtitude"] = ((userdata[3] << 4) + userdata[2]) + fract | |
| 44 | + | #print frsky["galtitude"] | |
| 45 | + | elif userdata[1] == 0x9: | |
| 46 | + | fract, inte = math.modf(frsky["galtitude"]) | |
| 47 | + | frsky["galtitude"] = inte + ((userdata[3] << 4) + userdata[2]) / 1000.0; | |
| 48 | + | ||
| 49 | + | elif userdata[1] == 0x5: | |
| 50 | + | frsky["temperature2"] = userdata[2] | |
| 51 | + | elif userdata[1] == 0x10: | |
| 52 | + | fract, inte = math.modf(frsky["altitude"]) | |
| 53 | + | frsky["altitude"] = ((userdata[3] << 4) + userdata[2]) + fract | |
| 54 | + | elif userdata[1] == 0x21: | |
| 55 | + | fract, inte = math.modf(frsky["altitude"]) | |
| 56 | + | frsky["altitude"] = inte + ((userdata[3] << 4) + userdata[2]) / 10.0; | |
| 57 | + | ||
| 58 | + | elif userdata[1] == 0x13: | |
| 59 | + | fract, inte = math.modf(frsky["latitude"]) | |
| 60 | + | frsky["latitude"] = ((userdata[3] << 8) + userdata[2]) + fract | |
| 61 | + | elif userdata[1] == 0x1B: | |
| 62 | + | fract, inte = math.modf(frsky["latitude"]) | |
| 63 | + | frsky["latitude"] = inte + ((userdata[3] << 8)%10000 + userdata[2]) / 1e4; | |
| 64 | + | print frsky["latitude"],frsky["longitude"] | |
| 65 | + | ||
| 66 | + | elif userdata[1] == 0x12: | |
| 67 | + | fract, inte = math.modf(frsky["longitude"]) | |
| 68 | + | frsky["longitude"] = fract + ((userdata[3] << 8) + userdata[2]); | |
| 69 | + | elif userdata[1] == (0x12+8): | |
| 70 | + | fract, inte = math.modf(frsky["longitude"]) | |
| 71 | + | frsky["longitude"] = inte + ((userdata[3] << 8)%10000 + userdata[2]) / 1e4; | |
| 72 | + | #print frsky["longitude"] | |
| 73 | + | ||
| 74 | + | def ProcessUserPacket(byte): | |
| 75 | + | global stuffunext, userdata | |
| 76 | + | if byte == 0x5E: | |
| 77 | + | if len(userdata) == 4: | |
| 78 | + | ProcessUserData() | |
| 79 | + | userdata = [0x5E] | |
| 80 | + | elif byte == 0x5D: | |
| 81 | + | stuffunext = True | |
| 82 | + | else: | |
| 83 | + | if stuffunext: | |
| 84 | + | userdata.append(byte^0x60) | |
| 85 | + | else: | |
| 86 | + | userdata.append(byte) | |
| 87 | + | stuffunext = False | |
| 88 | + | ||
| 89 | + | while True: | |
| 90 | + | buff = ser.read(1) | |
| 91 | + | if ord(buff) == 0x7E: | |
| 92 | + | if len(data) == 10: | |
| 93 | + | if data[1] == 0xFD: | |
| 94 | + | for i in range(data[2]&0x7): | |
| 95 | + | ProcessUserPacket(data[4+i]) | |
| 96 | + | count = 0 | |
| 97 | + | data = [0x7E] | |
| 98 | + | else: | |
| 99 | + | if ord(buff) == 0x7D: | |
| 100 | + | stuffnext = True | |
| 101 | + | #elif ord(buff) == 0x18: | |
| 102 | + | # ignorenext = True | |
| 103 | + | else: | |
| 104 | + | if stuffnext: | |
| 105 | + | data.append(ord(buff) ^ 0x20) | |
| 106 | + | else: | |
| 107 | + | #elif not ignorenext: | |
| 108 | + | data.append(ord(buff)) | |
| 109 | + | #else: | |
| 110 | + | # print "Duplicated" | |
| 111 | + | ignorenext = False | |
| 112 | + | stuffnext = False | |
| 113 | + | ||
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