Module rp2040_pac::ppb::syst_csr

Use the SysTick Control and Status Register to enable the SysTick features.

Structs

• SYST_CSR_SPEC
  Use the SysTick Control and Status Register to enable the SysTick features.

Type Aliases

• CLKSOURCE_R
  Field CLKSOURCE reader - SysTick clock source. Always reads as one if SYST_CALIB reports NOREF.
  Selects the SysTick timer clock source:
  0 = External reference clock.
  1 = Processor clock.
• CLKSOURCE_W
  Field CLKSOURCE writer - SysTick clock source. Always reads as one if SYST_CALIB reports NOREF.
  Selects the SysTick timer clock source:
  0 = External reference clock.
  1 = Processor clock.
• COUNTFLAG_R
  Field COUNTFLAG reader - Returns 1 if timer counted to 0 since last time this was read. Clears on read by application or debugger.
• ENABLE_R
  Field ENABLE reader - Enable SysTick counter:
  0 = Counter disabled.
  1 = Counter enabled.
• ENABLE_W
  Field ENABLE writer - Enable SysTick counter:
  0 = Counter disabled.
  1 = Counter enabled.
• R
  Register SYST_CSR reader
• TICKINT_R
  Field TICKINT reader - Enables SysTick exception request:
  0 = Counting down to zero does not assert the SysTick exception request.
  1 = Counting down to zero to asserts the SysTick exception request.
• TICKINT_W
  Field TICKINT writer - Enables SysTick exception request:
  0 = Counting down to zero does not assert the SysTick exception request.
  1 = Counting down to zero to asserts the SysTick exception request.
• W
  Register SYST_CSR writer