TWI/TWIM peripheral driver configuration

nRF5 SDK v12.1.0
Macros

Macros

#define TWI_ENABLED
Set to 1 to activate. More...
#define TWI_DEFAULT_CONFIG_FREQUENCY
Frequency. More...
#define TWI_DEFAULT_CONFIG_CLR_BUS_INIT
Enables bus clearing procedure during init. More...
#define TWI_DEFAULT_CONFIG_HOLD_BUS_UNINIT
Enables bus holding after uninit. More...
#define TWI_DEFAULT_CONFIG_IRQ_PRIORITY
Interrupt priority. More...
#define TWI0_ENABLED
Enable TWI0 instance. More...
#define TWI0_USE_EASY_DMA
Use EasyDMA (if present) More...
#define TWI1_ENABLED
Enable TWI1 instance. More...
#define TWI1_USE_EASY_DMA
Use EasyDMA (if present) More...

Detailed Description

Macro Definition Documentation

#define TWI0_ENABLED

Enable TWI0 instance.

Set to 1 to activate.

Note
This is an NRF_CONFIG macro.
#define TWI0_USE_EASY_DMA

Use EasyDMA (if present)

Set to 1 to activate.

Note
This is an NRF_CONFIG macro.
#define TWI1_ENABLED

Enable TWI1 instance.

Set to 1 to activate.

Note
This is an NRF_CONFIG macro.
#define TWI1_USE_EASY_DMA

Use EasyDMA (if present)

Set to 1 to activate.

Note
This is an NRF_CONFIG macro.
#define TWI_DEFAULT_CONFIG_CLR_BUS_INIT

Enables bus clearing procedure during init.

Set to 1 to activate.

Note
This is an NRF_CONFIG macro.
#define TWI_DEFAULT_CONFIG_FREQUENCY

Frequency.

Following options are available:

  • 26738688 - 100k
  • 67108864 - 250k
  • 104857600 - 400k
Note
This is an NRF_CONFIG macro.
#define TWI_DEFAULT_CONFIG_HOLD_BUS_UNINIT

Enables bus holding after uninit.

Set to 1 to activate.

Note
This is an NRF_CONFIG macro.
#define TWI_DEFAULT_CONFIG_IRQ_PRIORITY

Interrupt priority.

Priorities 0,2 (nRF51) and 0,1,4,5 (nRF52) are reserved for SoftDevice

Following options are available:

  • 0 - 0 (highest)
  • 1 - 1
  • 2 - 2
  • 3 - 3
  • 4 - 4 (except nRF51 family)
  • 5 - 5 (except nRF51 family)
  • 6 - 6 (except nRF51 family)
  • 7 - 7 (except nRF51 family)
Note
This is an NRF_CONFIG macro.
#define TWI_ENABLED

Set to 1 to activate.

Note
This is an NRF_CONFIG macro.