How to solve 'NRF_DRV_TWI_INSTANCE_1' was not declared in this scope, NRF_DRV_TWI_INSTANCE_0 works fine

[John]

I am modifying the twi_sensor project ( using Segger studio )  I want to add support for TWI 1, I have enabled it in the sdk_config.h file:

// <e> NRFX_TWI_ENABLED - nrfx_twi - TWI peripheral driver
//==========================================================
#ifndef NRFX_TWI_ENABLED
#define NRFX_TWI_ENABLED 1
#endif
// <q> NRFX_TWI0_ENABLED - Enable TWI0 instance

#ifndef NRFX_TWI0_ENABLED
#define NRFX_TWI0_ENABLED 1
#endif

// <q> NRFX_TWI1_ENABLED - Enable TWI1 instance

#ifndef NRFX_TWI1_ENABLED
#define NRFX_TWI1_ENABLED 1
#endif

TWI 0 works fine as expected, not sure why it won't compile with TWI 1 enabled.

Thanks,

John

[awneil]

Have you enabled TWI 1 in the sdk_config.h ?

How to properly post source code:

[John]

The source code snippet is from my sdk_config file, is there another place it's need to be enabled?

[awneil]

Oh yes - it's easier to see now it's properly formatted.

Have you enabled it under 'TWI' (as well as (NRFX):

[John]

That did the trick, thanks!