How to simulate 0.5Hz clock in Timing-diagram

Question

Hello,

how can I create cloack using floating numbers? For example a 0.5Hz clock.

clock  clk with period 0.5

throws an error.

Faking a clock using a binary signal in the preprocessor is not working either as %string(...) can convert integers or strings to string form — but it cannot evaluate or stringify a non‑integer expression.
See the code below. 

@startuml

binary "CLK" as CLK

!$t     = 0
!$state = 0
!$max   = 8

!while $t <= $max
  @%string($t)
  !if $state == 0
    CLK is low
    !$state = 1
  !else
    CLK is high
    !$state = 0
  !endif
  !$t = $t + 1
!endwhile

@enduml

Answer 1

Hello P.,

Here is a proposal, for a workaround:

@startuml
clock clk with period 1
binary "CLK" as CLK

!$t     = 0
!$state = 0
!$max   = 8

!while $t <= $max

  @%string($t)
  CLK is high
  @%string($t.25)
  CLK is low
  @%string($t.5)
  CLK is high
  @%string($t.75)
  CLK is low
  
  !$t = $t + 1
!endwhile

@enduml

Enjoy,

Regards,
Th.

Comments

great and thx for the quick answer

should it possible to use floating for period defination fo a clock (+defining the pattern for the horizontal lines) ?