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Operation on comparator instance
[COMP Exported Functions]
Functions | |
| __STATIC_INLINE void | LL_COMP_Enable (COMP_TypeDef *COMPx) |
| Enable comparator instance. | |
| __STATIC_INLINE void | LL_COMP_Disable (COMP_TypeDef *COMPx) |
| Disable comparator instance. | |
| __STATIC_INLINE uint32_t | LL_COMP_IsEnabled (COMP_TypeDef *COMPx) |
| Get comparator enable state (0: COMP is disabled, 1: COMP is enabled) CSR EN LL_COMP_IsEnabled. | |
| __STATIC_INLINE void | LL_COMP_Lock (COMP_TypeDef *COMPx) |
| Lock comparator instance. | |
| __STATIC_INLINE uint32_t | LL_COMP_IsLocked (COMP_TypeDef *COMPx) |
| Get comparator lock state (0: COMP is unlocked, 1: COMP is locked). | |
| __STATIC_INLINE uint32_t | LL_COMP_ReadOutputLevel (COMP_TypeDef *COMPx) |
| Read comparator instance output level. | |
Function Documentation
| __STATIC_INLINE void LL_COMP_Disable | ( | COMP_TypeDef * | COMPx ) |
Disable comparator instance.
CSR EN LL_COMP_Disable
- Parameters:
-
COMPx Comparator instance
- Return values:
-
None
Definition at line 784 of file stm32l4xx_ll_comp.h.
| __STATIC_INLINE void LL_COMP_Enable | ( | COMP_TypeDef * | COMPx ) |
Enable comparator instance.
- Note:
- After enable from off state, comparator requires a delay to reach reach propagation delay specification. Refer to device datasheet, parameter "tSTART". CSR EN LL_COMP_Enable
- Parameters:
-
COMPx Comparator instance
- Return values:
-
None
Definition at line 773 of file stm32l4xx_ll_comp.h.
| __STATIC_INLINE uint32_t LL_COMP_IsEnabled | ( | COMP_TypeDef * | COMPx ) |
Get comparator enable state (0: COMP is disabled, 1: COMP is enabled) CSR EN LL_COMP_IsEnabled.
- Parameters:
-
COMPx Comparator instance
- Return values:
-
State of bit (1 or 0).
Definition at line 796 of file stm32l4xx_ll_comp.h.
| __STATIC_INLINE uint32_t LL_COMP_IsLocked | ( | COMP_TypeDef * | COMPx ) |
Get comparator lock state (0: COMP is unlocked, 1: COMP is locked).
- Note:
- Once locked, comparator configuration can be accessed in read-only.
- The only way to unlock the comparator is a device hardware reset. CSR LOCK LL_COMP_IsLocked
- Parameters:
-
COMPx Comparator instance
- Return values:
-
State of bit (1 or 0).
Definition at line 823 of file stm32l4xx_ll_comp.h.
| __STATIC_INLINE void LL_COMP_Lock | ( | COMP_TypeDef * | COMPx ) |
Lock comparator instance.
- Note:
- Once locked, comparator configuration can be accessed in read-only.
- The only way to unlock the comparator is a device hardware reset. CSR LOCK LL_COMP_Lock
- Parameters:
-
COMPx Comparator instance
- Return values:
-
None
Definition at line 809 of file stm32l4xx_ll_comp.h.
| __STATIC_INLINE uint32_t LL_COMP_ReadOutputLevel | ( | COMP_TypeDef * | COMPx ) |
Read comparator instance output level.
- Note:
- The comparator output level depends on the selected polarity (Refer to function LL_COMP_SetOutputPolarity()). If the comparator polarity is not inverted:
- Comparator output is low when the input plus is at a lower voltage than the input minus
- Comparator output is high when the input plus is at a higher voltage than the input minus If the comparator polarity is inverted:
- Comparator output is high when the input plus is at a lower voltage than the input minus
- Comparator output is low when the input plus is at a higher voltage than the input minus CSR VALUE LL_COMP_ReadOutputLevel
- Parameters:
-
COMPx Comparator instance
- Return values:
-
Returned value can be one of the following values: - LL_COMP_OUTPUT_LEVEL_LOW
- LL_COMP_OUTPUT_LEVEL_HIGH
Definition at line 848 of file stm32l4xx_ll_comp.h.
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