| nRF5 SDK v12.0.0 |

Choose documentation: | nRF5 SDK | S130 SoftDevice API | S132 SoftDevice API | S212 SoftDevice API | S332 SoftDevice API

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Macros
TWI/TWIM peripheral driver configuration
TWIS driver

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

- 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 avaiable:

- 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.