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Slave Select Pin Management
[SPI Exported Functions]
Functions | |
| __STATIC_INLINE void | LL_SPI_SetNSSMode (SPI_TypeDef *SPIx, uint32_t NSS) |
| Set NSS mode. | |
| __STATIC_INLINE uint32_t | LL_SPI_GetNSSMode (SPI_TypeDef *SPIx) |
| Get NSS mode CR1 SSM LL_SPI_GetNSSMode CR2 SSOE LL_SPI_GetNSSMode. | |
| __STATIC_INLINE void | LL_SPI_EnableNSSPulseMgt (SPI_TypeDef *SPIx) |
| Enable NSS pulse management. | |
| __STATIC_INLINE void | LL_SPI_DisableNSSPulseMgt (SPI_TypeDef *SPIx) |
| Disable NSS pulse management. | |
| __STATIC_INLINE uint32_t | LL_SPI_IsEnabledNSSPulse (SPI_TypeDef *SPIx) |
| Check if NSS pulse is enabled. | |
Function Documentation
| __STATIC_INLINE void LL_SPI_DisableNSSPulseMgt | ( | SPI_TypeDef * | SPIx ) |
Disable NSS pulse management.
- Note:
- This bit should not be changed when communication is ongoing. This bit is not used in SPI TI mode. CR2 NSSP LL_SPI_DisableNSSPulseMgt
- Parameters:
-
SPIx SPI Instance
- Return values:
-
None
Definition at line 894 of file stm32l4xx_ll_spi.h.
| __STATIC_INLINE void LL_SPI_EnableNSSPulseMgt | ( | SPI_TypeDef * | SPIx ) |
Enable NSS pulse management.
- Note:
- This bit should not be changed when communication is ongoing. This bit is not used in SPI TI mode. CR2 NSSP LL_SPI_EnableNSSPulseMgt
- Parameters:
-
SPIx SPI Instance
- Return values:
-
None
Definition at line 882 of file stm32l4xx_ll_spi.h.
| __STATIC_INLINE uint32_t LL_SPI_GetNSSMode | ( | SPI_TypeDef * | SPIx ) |
Get NSS mode CR1 SSM LL_SPI_GetNSSMode
CR2 SSOE LL_SPI_GetNSSMode.
- Parameters:
-
SPIx SPI Instance
- Return values:
-
Returned value can be one of the following values: - LL_SPI_NSS_SOFT
- LL_SPI_NSS_HARD_INPUT
- LL_SPI_NSS_HARD_OUTPUT
Definition at line 868 of file stm32l4xx_ll_spi.h.
| __STATIC_INLINE uint32_t LL_SPI_IsEnabledNSSPulse | ( | SPI_TypeDef * | SPIx ) |
Check if NSS pulse is enabled.
- Note:
- This bit should not be changed when communication is ongoing. This bit is not used in SPI TI mode. CR2 NSSP LL_SPI_IsEnabledNSSPulse
- Parameters:
-
SPIx SPI Instance
- Return values:
-
State of bit (1 or 0).
Definition at line 906 of file stm32l4xx_ll_spi.h.
| __STATIC_INLINE void LL_SPI_SetNSSMode | ( | SPI_TypeDef * | SPIx, |
| uint32_t | NSS | ||
| ) |
Set NSS mode.
- Note:
- LL_SPI_NSS_SOFT Mode is not used in SPI TI mode. CR1 SSM LL_SPI_SetNSSMode
CR2 SSOE LL_SPI_SetNSSMode
- Parameters:
-
SPIx SPI Instance NSS This parameter can be one of the following values: - LL_SPI_NSS_SOFT
- LL_SPI_NSS_HARD_INPUT
- LL_SPI_NSS_HARD_OUTPUT
- Return values:
-
None
Definition at line 852 of file stm32l4xx_ll_spi.h.
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