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part9_solution.json
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part9_solution.json
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[
{
"id": "c4b97d8e.d8bfe",
"type": "tab",
"label": "Tello Camera Dashboard",
"disabled": false,
"info": ""
},
{
"id": "7098d6b.cf530a8",
"type": "udp out",
"z": "c4b97d8e.d8bfe",
"name": "",
"addr": "192.168.10.1",
"iface": "",
"port": "8889",
"ipv": "udp4",
"outport": "52955",
"base64": false,
"multicast": "false",
"x": 1030,
"y": 120,
"wires": []
},
{
"id": "7e41dee4.2da91",
"type": "function",
"z": "c4b97d8e.d8bfe",
"name": "Tello Send Cmd",
"func": "var TBL_CRC16 = [\n\t\t\t0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf, 0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7,\n\t\t\t0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e, 0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876,\n\t\t\t0x2102, 0x308b, 0x0210, 0x1399, 0x6726, 0x76af, 0x4434, 0x55bd, 0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, 0xfae7, 0xc87c, 0xd9f5,\n\t\t\t0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e, 0x54b5, 0x453c, 0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd, 0xc974,\n\t\t\t0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb, 0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3,\n\t\t\t0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a, 0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72,\n\t\t\t0x6306, 0x728f, 0x4014, 0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9, 0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, 0xb8e3, 0x8a78, 0x9bf1,\n\t\t\t0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, 0x242a, 0x16b1, 0x0738, 0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862, 0x9af9, 0x8b70,\n\t\t\t0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e, 0xf0b7, 0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff,\n\t\t\t0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036, 0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e,\n\t\t\t0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5, 0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd,\n\t\t\t0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, 0xe226, 0xd0bd, 0xc134, 0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, 0x6e6e, 0x5cf5, 0x4d7c,\n\t\t\t0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1, 0xa33a, 0xb2b3, 0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72, 0x3efb,\n\t\t\t0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232, 0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a,\n\t\t\t0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1, 0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9,\n\t\t\t0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330, 0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78\n\t\t];\n\t\t\nvar TBL_CRC8 = [\n\t\t\t0x00, 0x5e, 0xbc, 0xe2, 0x61, 0x3f, 0xdd, 0x83, 0xc2, 0x9c, 0x7e, 0x20, 0xa3, 0xfd, 0x1f, 0x41,\n\t\t\t0x9d, 0xc3, 0x21, 0x7f, 0xfc, 0xa2, 0x40, 0x1e, 0x5f, 0x01, 0xe3, 0xbd, 0x3e, 0x60, 0x82, 0xdc,\n\t\t\t0x23, 0x7d, 0x9f, 0xc1, 0x42, 0x1c, 0xfe, 0xa0, 0xe1, 0xbf, 0x5d, 0x03, 0x80, 0xde, 0x3c, 0x62,\n\t\t\t0xbe, 0xe0, 0x02, 0x5c, 0xdf, 0x81, 0x63, 0x3d, 0x7c, 0x22, 0xc0, 0x9e, 0x1d, 0x43, 0xa1, 0xff,\n\t\t\t0x46, 0x18, 0xfa, 0xa4, 0x27, 0x79, 0x9b, 0xc5, 0x84, 0xda, 0x38, 0x66, 0xe5, 0xbb, 0x59, 0x07,\n\t\t\t0xdb, 0x85, 0x67, 0x39, 0xba, 0xe4, 0x06, 0x58, 0x19, 0x47, 0xa5, 0xfb, 0x78, 0x26, 0xc4, 0x9a,\n\t\t\t0x65, 0x3b, 0xd9, 0x87, 0x04, 0x5a, 0xb8, 0xe6, 0xa7, 0xf9, 0x1b, 0x45, 0xc6, 0x98, 0x7a, 0x24,\n\t\t\t0xf8, 0xa6, 0x44, 0x1a, 0x99, 0xc7, 0x25, 0x7b, 0x3a, 0x64, 0x86, 0xd8, 0x5b, 0x05, 0xe7, 0xb9,\n\t\t\t0x8c, 0xd2, 0x30, 0x6e, 0xed, 0xb3, 0x51, 0x0f, 0x4e, 0x10, 0xf2, 0xac, 0x2f, 0x71, 0x93, 0xcd,\n\t\t\t0x11, 0x4f, 0xad, 0xf3, 0x70, 0x2e, 0xcc, 0x92, 0xd3, 0x8d, 0x6f, 0x31, 0xb2, 0xec, 0x0e, 0x50,\n\t\t\t0xaf, 0xf1, 0x13, 0x4d, 0xce, 0x90, 0x72, 0x2c, 0x6d, 0x33, 0xd1, 0x8f, 0x0c, 0x52, 0xb0, 0xee,\n\t\t\t0x32, 0x6c, 0x8e, 0xd0, 0x53, 0x0d, 0xef, 0xb1, 0xf0, 0xae, 0x4c, 0x12, 0x91, 0xcf, 0x2d, 0x73,\n\t\t\t0xca, 0x94, 0x76, 0x28, 0xab, 0xf5, 0x17, 0x49, 0x08, 0x56, 0xb4, 0xea, 0x69, 0x37, 0xd5, 0x8b,\n\t\t\t0x57, 0x09, 0xeb, 0xb5, 0x36, 0x68, 0x8a, 0xd4, 0x95, 0xcb, 0x29, 0x77, 0xf4, 0xaa, 0x48, 0x16,\n\t\t\t0xe9, 0xb7, 0x55, 0x0b, 0x88, 0xd6, 0x34, 0x6a, 0x2b, 0x75, 0x97, 0xc9, 0x4a, 0x14, 0xf6, 0xa8,\n\t\t\t0x74, 0x2a, 0xc8, 0x96, 0x15, 0x4b, 0xa9, 0xf7, 0xb6, 0xe8, 0x0a, 0x54, 0xd7, 0x89, 0x6b, 0x35,\n\t\t]\n\n\t\t\nfunction _calcCRC16 (buf, size) {\n\t\tvar i = 0 ;\n\t\tvar seed = 0x3692 ;\n\t\twhile (size > 0) {\n\t\t\tseed = TBL_CRC16[(seed ^ buf[i]) & 0xff] ^ (seed >> 8)\n\t\t\ti++ ;\n\t\t\tsize-- ;\n\t\t} \n\t\treturn seed ;\n\t}\n\nfunction _calcCRC8 (buf, size) {\n\t\tvar i = 0 ;\n\t\tvar seed = 0x77 ;\n\t\twhile (size > 0) {\n\t\t\tseed = TBL_CRC8[(seed ^ buf[i]) & 0xff]\n\t\t\ti++ ;\n\t\t\tsize-- ;\n\t\t}\n\t\treturn seed ;\n\t}\n\n\t\nfunction buildPacket(pacType, cmdID, seq, data) {\n\t\tvar size = 11 + (data?data.length:0);\n\t\tvar bb = Buffer.alloc(size)\n\t\tvar packetTypeInfo = 0x40 | ((pacType & 0x07) <<3);\n\t\tbb.writeUInt8(0xCC,0)\n\t\tbb.writeUInt8((size << 3) & 0xFF ,1)\n\t\tbb.writeUInt8((size >> 5) & 0xFF ,2)\n\t\n \tvar crc8 = _calcCRC8([...bb], 3)\n\t\tbb.writeUInt8(crc8,3);\n\t\tbb.writeUInt8(packetTypeInfo,4);\n\t\tbb.writeUInt16LE(cmdID,5);\n\t\tbb.writeUInt16LE(seq,7);\n\t\t//console.log(\"DBG\", data, len);\n\t\tif (data) {\n\t\t\tfor (var i=0; i<data.length; i++) {\n\t\t\t\tbb.writeUInt8(data[i], [9+i]);\n\t\t\t}\n\t\t}\n\t\tvar crc16 = _calcCRC16([...bb], size - 2);\n\t\tbb.writeUInt16LE(crc16, size-2) ;\n\t\treturn bb ;\n\t}\n\t\nvar seqID = global.get(\"seqID\");\nif (\"undefined\" === typeof seqID) {\n seqID = -1 ;\n}\nseqID++ ;\nglobal.set(\"seqID\", seqID);\n\n\nvar out = buildPacket(msg.payload.packType, msg.payload.TelloCmdId, seqID, msg.payload.data);\nmsg.payload = out;\nmsg.hex = out.toString('hex');\n\nreturn msg;",
"outputs": 1,
"noerr": 0,
"x": 720,
"y": 120,
"wires": [
[
"7098d6b.cf530a8",
"22e9e617.9da17a"
]
]
},
{
"id": "caf06c03.1a2a2",
"type": "change",
"z": "c4b97d8e.d8bfe",
"name": "TELLO_CMD_TAKEPIC - 48",
"rules": [
{
"t": "set",
"p": "payload",
"pt": "msg",
"to": "{\"TelloCmdId\":48,\"packType\":5}",
"tot": "json"
}
],
"action": "",
"property": "",
"from": "",
"to": "",
"reg": false,
"x": 460,
"y": 120,
"wires": [
[
"7e41dee4.2da91"
]
]
},
{
"id": "bcd5e05a.3e10c8",
"type": "inject",
"z": "c4b97d8e.d8bfe",
"name": "TELLO_CMD_TAKEPIC",
"topic": "",
"payload": "TELLO_CMD_TAKEPIC",
"payloadType": "str",
"repeat": "10",
"crontab": "",
"once": false,
"onceDelay": "",
"x": 170,
"y": 80,
"wires": [
[
"682a33e3.fecc2c"
]
]
},
{
"id": "f21f8e6f.6dfe28",
"type": "udp in",
"z": "c4b97d8e.d8bfe",
"name": "",
"iface": "",
"port": "52955",
"ipv": "udp4",
"multicast": "false",
"group": "",
"datatype": "buffer",
"x": 120,
"y": 300,
"wires": [
[
"1369e150.23cfdf"
]
]
},
{
"id": "1369e150.23cfdf",
"type": "function",
"z": "c4b97d8e.d8bfe",
"name": "parse incoming messages",
"func": "//var TELLO_CMD_ALT_LIMIT = 4182;\n//var TELLO_CMD_LIGHT_STRENGTH = 53;\n//var TELLO_CMD_LOW_BATT_THRESHOLD = 4183;\n//var TELLO_CMD_STATUS = 86;\n//var TELLO_CMD_LOG_HEADER_WRITE = 4176;\n//var TELLO_CMD_LOG_DATA_WRITE = 4177;\n\nvar TELLO_msgDoConnect = 0x0001 // 1\nvar TELLO_msgConnected = 0x0002 // 2\nvar TELLO_msgQuerySSID = 0x0011 // 17\nvar TELLO_msgSetSSID = 0x0012 // 18\nvar TELLO_msgQuerySSIDPass = 0x0013 // 19\nvar TELLO_msgSetSSIDPass = 0x0014 // 20\nvar TELLO_msgQueryWifiRegion = 0x0015 // 21\nvar TELLO_msgSetWifiRegion = 0x0016 // 22\nvar TELLO_msgWifiStrength = 0x001a // 26\nvar TELLO_msgSetVideoBitrate = 0x0020 // 32\nvar TELLO_msgSetDynAdjRate = 0x0021 // 33\nvar TELLO_msgEisSetting = 0x0024 // 36\nvar TELLO_msgQueryVideoSPSPPS = 0x0025 // 37\nvar TELLO_msgQueryVideoBitrate = 0x0028 // 40\nvar TELLO_msgDoTakePic = 0x0030 // 48\nvar TELLO_msgSwitchPicVideo = 0x0031 // 49\nvar TELLO_msgDoStartRec = 0x0032 // 50\nvar TELLO_msgExposureVals = 0x0034 // 52 (Get or set?)\nvar TELLO_msgLightStrength = 0x0035 // 53\nvar TELLO_msgQueryJPEGQuality = 0x0037 // 55\nvar TELLO_msgError1 = 0x0043 // 67\nvar TELLO_msgError2 = 0x0044 // 68\nvar TELLO_msgQueryVersion = 0x0045 // 69\nvar TELLO_msgSetDateTime = 0x0046 // 70\nvar TELLO_msgQueryActivationTime = 0x0047 // 71\nvar TELLO_msgQueryLoaderVersion = 0x0049 // 73\nvar TELLO_msgSetStick = 0x0050 // 80\nvar TELLO_msgDoTakeoff = 0x0054 // 84\nvar TELLO_msgDoLand = 0x0055 // 85\nvar TELLO_msgFlightStatus = 0x0056 // 86\nvar TELLO_msgSetHeightLimit = 0x0058 // 88\nvar TELLO_msgDoFlip = 0x005c // 92\nvar TELLO_msgDoThrowTakeoff = 0x005d // 93\nvar TELLO_msgDoPalmLand = 0x005e // 94\nvar TELLO_msgFileSize = 0x0062 // 98\nvar TELLO_msgFileData = 0x0063 // 99\nvar TELLO_msgFileDone = 0x0064 // 100\nvar TELLO_msgDoSmartVideo = 0x0080 // 128\nvar TELLO_msgSmartVideoStatus = 0x0081 // 129\nvar TELLO_msgLogHeader = 0x1050 // 4176\nvar TELLO_msgLogData = 0x1051 // 4177\nvar TELLO_msgLogConfig = 0x1052 // 4178\nvar TELLO_msgDoBounce = 0x1053 // 4179\nvar TELLO_msgDoCalibration = 0x1054 // 4180\nvar TELLO_msgSetLowBattThresh = 0x1055 // 4181\nvar TELLO_msgQueryHeightLimit = 0x1056 // 4182\nvar TELLO_msgQueryLowBattThresh = 0x1057 // 4183\nvar TELLO_msgSetAttitude = 0x1058 // 4184\nvar TELLO_msgQueryAttitude = 0x1059 // 4185\n\nvar seqID ;\nvar pacType;\n\nfunction parsePacket (bb) {\n var ret = {};\n\tvar size = bb.length;\n\tvar payload = bb.slice(9,size);\n\tvar dataSize = 0;\n\tvar cmdID = 0;\n\n\tif (bb.length >= 11) {\n\t\tvar mark = bb.readUInt8(0);\n\t\tif (mark == 0xCC) {\t// start of packet\n\t\t size = bb.readUInt16LE(1) >> 3;\n\t\t var crc8 = bb.readUInt8(3);\n\t\t pacType = bb.readUInt8(4);\n\t\t cmdID = bb.readUInt16LE(5);\n\t\t seqID = bb.readUInt16LE(7);\n\t dataSize = size - 11;\n\t var data = false;\n\t if (dataSize > 0) {\n\t data = bb.slice(9, size-2);\n\t }\n\t var crc16 = bb.readUInt16LE(size - 2);\n\t \n\t ret.cmd = cmdID;\n\t ret.seq = seqID;\n\t ret.pacType= pacType;\n\t ret.dataSize = dataSize;\n\t ret.data = data;\n\t\t} else {\n\t\t ret = bb.toString();\n\t\t}\n\t} else {\n\t ret = bb.toString();\n\t}\n\treturn ret;\n}\n\t\nmsg.payload = parsePacket(msg.payload);\nif (msg.payload.cmd) {\n var tstatus = global.get(\"tellomsg\") | {};\n tstatus.cmdID = msg.payload.cmd;\n tstatus.seqID = msg.payload.seq;\n tstatus.pacType= msg.payload.pacType;\n global.set(\"tellomsg\",tstatus);\n}\nreturn msg;",
"outputs": 1,
"noerr": 0,
"x": 320,
"y": 300,
"wires": [
[
"33db19e4.d26656"
]
]
},
{
"id": "c8958e46.f4c528",
"type": "debug",
"z": "c4b97d8e.d8bfe",
"name": "Otherwise",
"active": false,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "true",
"x": 700,
"y": 400,
"wires": []
},
{
"id": "5c73117f.780158",
"type": "comment",
"z": "c4b97d8e.d8bfe",
"name": "Receive Return Strings",
"info": "",
"x": 160,
"y": 260,
"wires": []
},
{
"id": "b81ff79f.d42b38",
"type": "function",
"z": "c4b97d8e.d8bfe",
"name": "Send Con_Req",
"func": "videoPort = 6038;\nmsg = {};\nmsg.payload = new Buffer(\"conn_req:lh\");\nmsg.payload[9] = videoPort & 0xFF;\nmsg.payload[10] = (videoPort >> 8) & 0xFF;\nglobal.set(\"seqID\", -1);\nreturn msg;",
"outputs": 1,
"noerr": 0,
"x": 720,
"y": 80,
"wires": [
[
"7098d6b.cf530a8"
]
]
},
{
"id": "9a7c6867.b1376",
"type": "inject",
"z": "c4b97d8e.d8bfe",
"name": "TELLO_LOW_LEVEL_CONNECT",
"topic": "",
"payload": "true",
"payloadType": "bool",
"repeat": "",
"crontab": "",
"once": true,
"onceDelay": "",
"x": 200,
"y": 40,
"wires": [
[
"2511841e.2b8d0c"
]
]
},
{
"id": "33db19e4.d26656",
"type": "switch",
"z": "c4b97d8e.d8bfe",
"name": "",
"property": "payload.cmd",
"propertyType": "msg",
"rules": [
{
"t": "eq",
"v": "86",
"vt": "num"
},
{
"t": "eq",
"v": "26",
"vt": "num"
},
{
"t": "eq",
"v": "53",
"vt": "num"
},
{
"t": "eq",
"v": "4176",
"vt": "num"
},
{
"t": "eq",
"v": "98",
"vt": "num"
},
{
"t": "eq",
"v": "99",
"vt": "num"
},
{
"t": "eq",
"v": "48",
"vt": "num"
},
{
"t": "else"
}
],
"checkall": "true",
"repair": false,
"outputs": 8,
"x": 510,
"y": 300,
"wires": [
[],
[],
[],
[],
[
"5ea6f62d.74278"
],
[
"7834abec.6c1474"
],
[
"cd7db440.ceff88"
],
[
"c8958e46.f4c528"
]
],
"outputLabels": [
"FlightStatus",
"WifiStrength",
"LightStrength",
"LogHeader",
"FileSize",
"FileData",
"DoTakePic",
"otherwise"
]
},
{
"id": "cd7db440.ceff88",
"type": "debug",
"z": "c4b97d8e.d8bfe",
"name": "DoTakePic",
"active": false,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "true",
"x": 710,
"y": 360,
"wires": []
},
{
"id": "4a09832e.8d742c",
"type": "link in",
"z": "c4b97d8e.d8bfe",
"name": "TELLO-SND_LOW_LEVEL_CMD",
"links": [
"48b57ca5.2d58ec"
],
"x": 555,
"y": 160,
"wires": [
[
"7e41dee4.2da91"
]
]
},
{
"id": "5ea6f62d.74278",
"type": "function",
"z": "c4b97d8e.d8bfe",
"name": "unpack FileSize message",
"func": "// Ignore if not from drone\nif (0x80 & msg.payload.pacType) {\n msg.payload.fileType = msg.payload.data.readInt8(0);\n msg.payload.fileSize = msg.payload.data.readInt32LE(1);\n msg.payload.fileID = msg.payload.data.readInt16LE(5);\n flow.set(\"file\" + msg.payload.fileID, {\"size\" : msg.payload.fileSize, \n \"receivedBytes\" : 0,\n \"imageBytes\" : Buffer.alloc(msg.payload.fileSize),\n \"pieces\" : {}\n });\n return msg;\n}",
"outputs": 1,
"noerr": 0,
"x": 750,
"y": 280,
"wires": [
[
"bec3ebe6.2b63a8"
]
]
},
{
"id": "bec3ebe6.2b63a8",
"type": "change",
"z": "c4b97d8e.d8bfe",
"name": "Ack FileSizeMsg",
"rules": [
{
"t": "set",
"p": "payload",
"pt": "msg",
"to": "{\"TelloCmdId\":98,\"data\":[0],\"packType\":2}",
"tot": "json"
}
],
"action": "",
"property": "",
"from": "",
"to": "",
"reg": false,
"x": 980,
"y": 280,
"wires": [
[
"48b57ca5.2d58ec"
]
]
},
{
"id": "48b57ca5.2d58ec",
"type": "link out",
"z": "c4b97d8e.d8bfe",
"name": "",
"links": [
"4a09832e.8d742c"
],
"x": 1135,
"y": 300,
"wires": []
},
{
"id": "7834abec.6c1474",
"type": "function",
"z": "c4b97d8e.d8bfe",
"name": "Unpack FileData message",
"func": "var fileID = msg.payload.data.readInt16LE(0);\nvar filePiece = msg.payload.data.readInt32LE(2);\nvar fileChunk = msg.payload.data.readInt32LE(6);\nvar chunkLen = msg.payload.data.readInt16LE(10);\nvar file = flow.get(\"file\" + fileID);\nif ((!file) || (\"undefined\" === typeof file.receivedBytes)) {\n msg.payload = {};\n} else {\n msg.payload.data.copy(file.imageBytes, 1024*fileChunk, 12);\n msg.payload = {};\n msg.payload.unpackedHeader = {\"ID\" : fileID, \n \"piece\" : filePiece,\n \"chunk\" : fileChunk,\n \"len\" : chunkLen\n };\n if (file.pieces[filePiece]) {\n if (!file.pieces[filePiece].includes(fileChunk)) {\n file.pieces[filePiece].push(fileChunk);\n file.receivedBytes += chunkLen;\n if (8 == file.pieces[filePiece].length) {\n msg.payload.TelloCmdId = 99;\n msg.payload.packType = 2;\n msg.payload.data = Buffer.alloc(7);\n msg.payload.data.writeInt8(0, 0);\n msg.payload.data.writeInt16LE(fileID, 1);\n msg.payload.data.writeInt32LE(filePiece, 3);\n }\n }\n } else {\n msg.payload = {};\n msg.payload.unpackedHeader = {\"ID\" : fileID, \n \"piece\" : filePiece,\n \"chunk\" : fileChunk,\n \"len\" : chunkLen\n };\n file.pieces[filePiece] = [fileChunk];\n file.receivedBytes += chunkLen;\n }\n msg.payload.unpackedHeader.receivedBytes = file.receivedBytes;\n \n if (file.receivedBytes == file.size) {\n flow.set ([\"file\" + fileID], null);\n msg.payload.TelloCmdId = 99;\n msg.payload.packType = 2;\n msg.payload.data = Buffer.alloc(7);\n msg.payload.data.writeInt8(1, 0);\n msg.payload.data.writeInt16LE(fileID, 1);\n msg.payload.data.writeInt32LE(filePiece, 3);\n \n msg1 = {\"payload\" : {}};\n msg1.payload.TelloCmdId = 100;\n msg1.payload.packType = 1;\n return [[msg, msg1], {\"payload\":file.imageBytes}];\n } else if (msg.payload.TelloCmdId) {\n flow.set(\"file\" + fileID, file);\n return [msg, null];\n } else {\n flow.set(\"file\" + fileID, file);\n return [null, null];\n }\n}",
"outputs": 2,
"noerr": 0,
"x": 750,
"y": 320,
"wires": [
[
"48b57ca5.2d58ec"
],
[
"b234effd.a2218"
]
],
"outputLabels": [
"completedPieceAck",
"Received image"
]
},
{
"id": "dc2f07c2.49581",
"type": "ui_template",
"z": "c4b97d8e.d8bfe",
"group": "79c2e769.ba6a88",
"name": "Photo",
"order": 3,
"width": "12",
"height": "9",
"format": "<div ng-bind-html></div>\n<img width=\"300\" height=\"300\" alt=\"Watson Image\" src=\"data:image/jpg;base64,{{msg.payload}}\"/>",
"storeOutMessages": false,
"fwdInMessages": false,
"templateScope": "local",
"x": 750,
"y": 520,
"wires": [
[]
]
},
{
"id": "6b563706.76077",
"type": "change",
"z": "c4b97d8e.d8bfe",
"name": "",
"rules": [
{
"t": "set",
"p": "template",
"pt": "msg",
"to": "<div ng-bind-html></div> <img width=\"300\" height=\"300\" alt=\"Watson Image\" src=\"data:image/jpg;base64,{{msg.payload}}\"/>",
"tot": "str"
}
],
"action": "",
"property": "",
"from": "",
"to": "",
"reg": false,
"x": 540,
"y": 520,
"wires": [
[
"dc2f07c2.49581"
]
]
},
{
"id": "6fbf2ac7.781e44",
"type": "base64",
"z": "c4b97d8e.d8bfe",
"name": "Encode",
"x": 260,
"y": 520,
"wires": [
[
"6b563706.76077"
]
]
},
{
"id": "8240ab76.4c4fe",
"type": "ui_button",
"z": "c4b97d8e.d8bfe",
"name": "Start Visual Recognition",
"group": "79c2e769.ba6a88",
"order": 1,
"width": 0,
"height": 0,
"passthru": false,
"label": "Start Visual Recognition every 10 seconds",
"color": "",
"bgcolor": "",
"icon": "",
"payload": "true",
"payloadType": "bool",
"topic": "",
"x": 150,
"y": 160,
"wires": [
[
"cf14a776.da7018"
]
]
},
{
"id": "b234effd.a2218",
"type": "link out",
"z": "c4b97d8e.d8bfe",
"name": "Picture Arrived",
"links": [
"f7aafebc.0b29f"
],
"x": 1135,
"y": 340,
"wires": []
},
{
"id": "f7aafebc.0b29f",
"type": "link in",
"z": "c4b97d8e.d8bfe",
"name": "Picture Processing",
"links": [
"b234effd.a2218"
],
"x": 75,
"y": 540,
"wires": [
[
"6fbf2ac7.781e44",
"ebf85fdd.292a58"
]
]
},
{
"id": "469c8cbe.f03e6c",
"type": "visual-recognition-v3",
"z": "c4b97d8e.d8bfe",
"name": "",
"vr-service-endpoint": "https://gateway.watsonplatform.net/visual-recognition/api",
"image-feature": "classifyImage",
"lang": "en",
"x": 550,
"y": 580,
"wires": [
[
"8efd579.29bba28",
"ad334a69.45194"
]
]
},
{
"id": "8efd579.29bba28",
"type": "debug",
"z": "c4b97d8e.d8bfe",
"name": "",
"active": true,
"console": "false",
"complete": "result",
"x": 760,
"y": 620,
"wires": []
},
{
"id": "fcc4b449.c81f38",
"type": "ui_template",
"z": "c4b97d8e.d8bfe",
"group": "ec122567.2dd23",
"name": "Results Table",
"order": 1,
"width": "9",
"height": "14",
"format": "",
"storeOutMessages": true,
"fwdInMessages": true,
"templateScope": "local",
"x": 1120,
"y": 580,
"wires": [
[]
]
},
{
"id": "35c9be9a.f0ffba",
"type": "debug",
"z": "c4b97d8e.d8bfe",
"name": "What did Watson find?",
"active": false,
"console": "false",
"complete": "payload",
"x": 1140,
"y": 620,
"wires": []
},
{
"id": "2511841e.2b8d0c",
"type": "function",
"z": "c4b97d8e.d8bfe",
"name": "connreq",
"func": "//var message = new Buffer( 'conn_req:' );\n//msg.payload = message;\n//return msg;\n\nvar out = Buffer.alloc(11);\nout.write('conn_req:');\nmsg.payload = \tout\t;\t\nreturn msg;\n",
"outputs": 1,
"noerr": 0,
"x": 700,
"y": 40,
"wires": [
[
"7098d6b.cf530a8"
]
]
},
{
"id": "22e9e617.9da17a",
"type": "debug",
"z": "c4b97d8e.d8bfe",
"name": "",
"active": false,
"console": "false",
"complete": "false",
"x": 990,
"y": 200,
"wires": []
},
{
"id": "d555d4d7.8f1b28",
"type": "link in",
"z": "c4b97d8e.d8bfe",
"name": "TelloControls-In",
"links": [
"46487f23.1b0dc"
],
"x": 555,
"y": 200,
"wires": [
[
"b6565120.3c7138"
]
]
},
{
"id": "281cf108.cb9da6",
"type": "inject",
"z": "c4b97d8e.d8bfe",
"name": "Land",
"topic": "",
"payload": "true",
"payloadType": "bool",
"repeat": "",
"crontab": "",
"once": false,
"onceDelay": "",
"x": 150,
"y": 760,
"wires": [
[
"9b241806.f3b488"
]
]
},
{
"id": "8e16a1a5.1a1fe8",
"type": "inject",
"z": "c4b97d8e.d8bfe",
"name": "TakeOff",
"topic": "",
"payload": "true",
"payloadType": "bool",
"repeat": "",
"crontab": "",
"once": false,
"onceDelay": "",
"x": 150,
"y": 800,
"wires": [
[
"3a5f0009.46f7c"
]
]
},
{
"id": "e9f7fc2c.cd673",
"type": "delay",
"z": "c4b97d8e.d8bfe",
"name": "",
"pauseType": "delay",
"timeout": "250",
"timeoutUnits": "milliseconds",
"rate": "1",
"nbRateUnits": "1",
"rateUnits": "second",
"randomFirst": "1",
"randomLast": "5",
"randomUnits": "seconds",
"drop": false,
"x": 170,
"y": 840,
"wires": [
[
"d492b22.c0eef5"
]
]
},
{
"id": "d492b22.c0eef5",
"type": "change",
"z": "c4b97d8e.d8bfe",
"name": "TakeOff",
"rules": [
{
"t": "delete",
"p": "payload",
"pt": "msg"
},
{
"t": "set",
"p": "payload.tellocmd",
"pt": "msg",
"to": "takeoff",
"tot": "str"
}
],
"action": "",
"property": "",
"from": "",
"to": "",
"reg": false,
"x": 560,
"y": 840,
"wires": [
[
"46487f23.1b0dc"
]
]
},
{
"id": "3a5f0009.46f7c",
"type": "change",
"z": "c4b97d8e.d8bfe",
"name": "Init",
"rules": [
{
"t": "delete",
"p": "payload",
"pt": "msg"
},
{
"t": "set",
"p": "payload.tellocmd",
"pt": "msg",
"to": "command",
"tot": "str"
}
],
"action": "",
"property": "",
"from": "",
"to": "",
"reg": false,
"x": 550,
"y": 800,
"wires": [
[
"e9f7fc2c.cd673",
"46487f23.1b0dc"
]
]
},
{
"id": "9b241806.f3b488",
"type": "change",
"z": "c4b97d8e.d8bfe",
"name": "Land",
"rules": [
{
"t": "delete",
"p": "payload",
"pt": "msg"
},
{
"t": "set",
"p": "payload.tellocmd",
"pt": "msg",
"to": "land",
"tot": "str"
}
],
"action": "",
"property": "",
"from": "",
"to": "",
"reg": false,
"x": 550,
"y": 760,
"wires": [
[
"46487f23.1b0dc"
]
]
},
{
"id": "46487f23.1b0dc",
"type": "link out",
"z": "c4b97d8e.d8bfe",
"name": "TelloControls-Out",
"links": [
"d555d4d7.8f1b28"
],
"x": 755,
"y": 1040,
"wires": []
},
{
"id": "b6565120.3c7138",
"type": "change",
"z": "c4b97d8e.d8bfe",
"name": "format outbound message",
"rules": [
{
"t": "set",
"p": "payload",
"pt": "msg",
"to": "$exists(payload.tellovalue) ? payload.tellocmd & ' ' & payload.tellovalue : payload.tellocmd",
"tot": "jsonata"
}
],
"action": "",
"property": "",
"from": "",
"to": "",
"reg": false,
"x": 760,
"y": 200,
"wires": [
[
"22e9e617.9da17a",
"7098d6b.cf530a8"
]
]
},
{
"id": "cab4af10.969f8",
"type": "change",
"z": "c4b97d8e.d8bfe",
"name": "Up 50cm",
"rules": [
{
"t": "delete",
"p": "payload",
"pt": "msg"
},
{
"t": "set",
"p": "payload.tellocmd",
"pt": "msg",
"to": "up",
"tot": "str"
},
{
"t": "set",
"p": "payload.tellovalue",
"pt": "msg",
"to": "50",
"tot": "str"
}
],
"action": "",
"property": "",
"from": "",
"to": "",
"reg": false,
"x": 560,
"y": 920,
"wires": [
[
"46487f23.1b0dc"
]
]
},
{
"id": "64642c8c.92e8b4",
"type": "change",
"z": "c4b97d8e.d8bfe",
"name": "Right 50cm",
"rules": [
{
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