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1 | 1 | local MSP_GPS_CONFIG = 135 |
2 | 2 | local MSP_VTX_CONFIG = 88 |
| 3 | +local MSP_OSD_CONFIG = 84 |
| 4 | + |
| 5 | +local MSP_BUILD_INFO = 5 |
| 6 | + |
| 7 | +local BUILD_OPTION_GPS = 16412 |
| 8 | +local BUILD_OPTION_VTX = 16421 |
| 9 | +local BUILD_OPTION_OSD_SD = 16416 |
3 | 10 |
|
4 | 11 | local isGpsRead = false |
5 | 12 | local isVtxRead = false |
| 13 | +local isOsdSDRead = false |
6 | 14 |
|
7 | 15 | local lastRunTS = 0 |
8 | 16 | local INTERVAL = 100 |
| 17 | +local isInFlight = false |
9 | 18 |
|
10 | 19 | local returnTable = { |
11 | 20 | f = nil, |
12 | 21 | t = "", |
13 | 22 | } |
14 | 23 |
|
| 24 | +local function processBuildInfoReply(payload) |
| 25 | + local headLength = 26 -- DATE(11) + TIME(8) + REVISION(7) |
| 26 | + local optionsLength = #payload - headLength |
| 27 | + if (optionsLength <= 0) or ((optionsLength % 2) ~= 0) then |
| 28 | + return -- invalid payload |
| 29 | + end |
| 30 | + |
| 31 | + features.gps = false |
| 32 | + features.vtx = false |
| 33 | + features.osdSD = false |
| 34 | + for i = headLength + 1, #payload, 2 do |
| 35 | + local byte1 = bit32.lshift(payload[i], 0) |
| 36 | + local byte2 = bit32.lshift(payload[i + 1], 8) |
| 37 | + local word = bit32.bor(byte1, byte2) |
| 38 | + if word == BUILD_OPTION_GPS then |
| 39 | + features.gps = true |
| 40 | + elseif word == BUILD_OPTION_VTX then |
| 41 | + features.vtx = true |
| 42 | + elseif word == BUILD_OPTION_OSD_SD then |
| 43 | + features.osdSD = true |
| 44 | + end |
| 45 | + end |
| 46 | +end |
| 47 | + |
15 | 48 | local function processMspReply(cmd, payload, err) |
| 49 | + isInFlight = false |
16 | 50 | local isOkay = not err |
17 | | - if cmd == MSP_GPS_CONFIG then |
| 51 | + if cmd == MSP_BUILD_INFO then |
| 52 | + isGpsRead = true |
| 53 | + isVtxRead = true |
| 54 | + isOsdSDRead = true |
| 55 | + if isOkay then |
| 56 | + processBuildInfoReply(payload) |
| 57 | + end |
| 58 | + elseif cmd == MSP_GPS_CONFIG then |
18 | 59 | isGpsRead = true |
19 | 60 | local providerSet = payload[1] ~= 0 |
20 | 61 | features.gps = isOkay and providerSet |
21 | 62 | elseif cmd == MSP_VTX_CONFIG then |
22 | 63 | isVtxRead = true |
23 | 64 | local vtxTableAvailable = payload[12] ~= 0 |
24 | 65 | features.vtx = isOkay and vtxTableAvailable |
| 66 | + elseif cmd == MSP_OSD_CONFIG then |
| 67 | + isOsdSDRead = true |
| 68 | + local osdSDAvailable = payload[1] ~= 0 |
| 69 | + features.osdSD = isOkay and osdSDAvailable |
25 | 70 | end |
26 | 71 | end |
27 | 72 |
|
28 | 73 | local function updateFeatures() |
29 | 74 | if lastRunTS + INTERVAL < getTime() then |
30 | 75 | lastRunTS = getTime() |
31 | 76 | local cmd |
32 | | - if not isGpsRead then |
| 77 | + if apiVersion >= 1.46 then |
| 78 | + cmd = MSP_BUILD_INFO |
| 79 | + returnTable.t = "Checking options..." |
| 80 | + elseif not isGpsRead then |
33 | 81 | cmd = MSP_GPS_CONFIG |
34 | 82 | returnTable.t = "Checking GPS..." |
35 | 83 | elseif not isVtxRead then |
36 | 84 | cmd = MSP_VTX_CONFIG |
37 | 85 | returnTable.t = "Checking VTX..." |
| 86 | + elseif not isOsdSDRead then |
| 87 | + cmd = MSP_OSD_CONFIG |
| 88 | + returnTable.t = "Checking OSD (SD)..." |
38 | 89 | end |
39 | | - if cmd then |
| 90 | + if cmd andnotisInFlightthen |
40 | 91 | protocol.mspRead(cmd) |
41 | | - else |
42 | | - return true |
| 92 | + isInFlight = true |
43 | 93 | end |
44 | 94 | end |
45 | 95 | mspProcessTxQ() |
46 | 96 | processMspReply(mspPollReply()) |
47 | | - return false |
| 97 | + return isGpsReadandisVtxReadandisOsdSDRead |
48 | 98 | end |
49 | 99 |
|
50 | 100 | returnTable.f = updateFeatures |
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