@startuml
scale max 900*520
skinparam backgroundColor transparent
skinparam shadowing false
skinparam defaultFontName "DejaVu Sans Mono"
skinparam defaultFontSize 12
skinparam rectangleBorderColor #2b6f8e
skinparam rectangleBackgroundColor #edf6fa
skinparam ArrowColor #8295a0
top to bottom direction
title A3 DISPATCH — external vector, saved context and FromISR switch
rectangle "01 isr_external_irq" as Vector
rectangle "02 freertos_risc_v_trap_handler\nsave full task context" as Trap
rectangle "03 xISRStack\nmcause = 0x8000000b" as Stack
rectangle "04 application_interrupt_handler" as App
rectangle "05 xSemaphoreGiveFromISR\nxHPW = pdTRUE" as Give
rectangle "06 portYIELD_FROM_ISR\nvTaskSwitchContext" as Yield
rectangle "07 restore selected task context" as Restore
Vector --> Trap
Trap --> Stack
Stack --> App
App --> Give
Give --> Yield
Yield --> Restore
@enduml