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stroke-width: 1.0;"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="519.5" x2="1196.5" y1="557.5547" y2="557.5547"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="148" x="531.5" y="552.6216">INFERENCE_RESPONSE</text><polygon fill="#FBFB77" filter="url(#fhqhey4ocrvwe)" points="292,570.6875,292,610.6875,722,610.6875,722,580.6875,712,570.6875,292,570.6875" style="stroke: #A80036; stroke-width: 1.0;"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="712" x2="712" y1="570.6875" y2="580.6875"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="722" x2="712" y1="580.6875" y2="580.6875"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="409" x="298" y="587.7544">Inference response is handled by the IRQ bottom handler thread</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="303" x="298" y="602.8872">Message is read from queue in shared memory</text><polygon fill="#A80036" points="1008.5,636.9531,1018.5,640.9531,1008.5,644.9531,1012.5,640.9531" style="stroke: #A80036; stroke-width: 1.0;"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="514.5" x2="1014.5" y1="640.9531" y2="640.9531"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="39" x="521.5" y="636.02">read()</text><polygon fill="#A80036" points="525.5,651.0859,515.5,655.0859,525.5,659.0859,521.5,655.0859" style="stroke: #A80036; stroke-width: 1.0;"/><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 2.0,2.0;" x1="519.5" x2="1024.5" y1="655.0859" y2="655.0859"/><polygon fill="#FBFB77" filter="url(#fhqhey4ocrvwe)" points="744,668.0859,744,693.0859,1107,693.0859,1107,678.0859,1097,668.0859,744,668.0859" style="stroke: #A80036; stroke-width: 1.0;"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="1097" x2="1097" y1="668.0859" y2="678.0859"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="1107" x2="1097" y1="678.0859" y2="678.0859"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="342" x="750" y="685.1528">Inference response handler unlocks the polling thread</text><polygon fill="#A80036" points="915.5,719.2188,925.5,723.2188,915.5,727.2188,919.5,723.2188" style="stroke: #A80036; stroke-width: 1.0;"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="514.5" x2="921.5" y1="723.2188" y2="723.2188"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="135" x="521.5" y="718.2856">inference_response()</text><polygon fill="#A80036" points="525.5,733.3516,515.5,737.3516,525.5,741.3516,521.5,737.3516" style="stroke: #A80036; stroke-width: 1.0;"/><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 2.0,2.0;" x1="519.5" x2="921.5" y1="737.3516" y2="737.3516"/><polygon fill="#A80036" points="441.5,747.3516,431.5,751.3516,441.5,755.3516,437.5,751.3516" style="stroke: #A80036; stroke-width: 1.0;"/><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 2.0,2.0;" x1="435.5" x2="926.5" y1="751.3516" y2="751.3516"/><polygon fill="#A80036" points="120.5,761.3516,110.5,765.3516,120.5,769.3516,116.5,765.3516" style="stroke: #A80036; stroke-width: 1.0;"/><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 2.0,2.0;" x1="114.5" x2="424.5" y1="765.3516" y2="765.3516"/><!--
@startuml
skinparam backgroundColor #FEFEFE
box "Application" #0091BD
participant "main()" as main
end box
box "Driver library" #00C1DE
participant "Device" as ddev
participant "Buffer" as dbuf
participant "Network" as dnet
participant "Inference" as dinf
end box
box "Kernel driver" #7D868C
participant "Device" as kdev
participant "Buffer" as kbuf
participant "Network" as knet
participant "Inference" as kinf
participant "Mailbox" as kmbox
end box
box "Cortex-M application" #E5ECEB
participant "Message process" as cmsg
end box
activate main
note over main
Create device
Create network
Allocate and fill IFM buffers
Allocate OFM buffers
end note
main -> dinf++: Inference(network, ifm, ofm)
dinf -> knet++: ioctl(INFERENCE_CREATE, network, ifm, ofm)
note over kinf
Create inference
end note
knet -> kinf++: create(network, ifm, ofm)
kinf -> kmbox++: inference()
note over kmbox
Write inference request to queue in shared memory
Send IRQ
end note
kmbox -> cmsg: INFERENCE_REQUEST
return
return file descriptor
return file descriptor
return
main -> dinf++: wait()
dinf -> kinf++: poll()
cmsg -> kdev++: INFERENCE_RESPONSE
note over kdev
Inference response is handled by the IRQ bottom handler thread
Message is read from queue in shared memory
end note
kdev -> kmbox++: read()
return
note over kinf
Inference response handler unlocks the polling thread
end note
kdev -> kinf++: inference_response()
return
deactivate cmsg
return
return
@enduml
PlantUML version 1.2017.15(Mon Jul 03 18:45:34 CEST 2017)
(GPL source distribution)
Java Runtime: OpenJDK Runtime Environment
JVM: OpenJDK 64-Bit Server VM
Java Version: 11.0.11+9-Ubuntu-0ubuntu2.18.04
Operating System: Linux
OS Version: 5.4.0-73-generic
Default Encoding: UTF-8
Language: en
Country: US
--></g></svg>
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