enable twim0

[asmita_patil]

can somebody help me on how to enable twim0..

it was no problem in twi_sensor example...now i am integrating twi_sensor in ble_eddystone...and on built it give an error of "'NRF_DRV_TWI_INSTANCE_0' undeclared here (not in a function); did you mean 'NRF_DRV_TWI_INSTANCE_'?" i changed sdk
_config of eddystone too... am i doing right..???

below is nrf_drv_twi.h file ...which shows that twim0 is not enabled..can you solve yhis problem..it would be great help..thank you.

[Amanda Hsieh]

Hi, 

Could you try to enable TWI_ENABLED in the sdk_config.h?

// <e> TWI_ENABLED - nrf_drv_twi - TWI/TWIM peripheral driver - legacy layer
//==========================================================
#ifndef TWI_ENABLED
#define TWI_ENABLED 1
#endif

When you are integrating twi_sensor into ble_eddystone, you could refer to the sdk_config.h of twi_sensor.

-Amanda H.

[asmita_patil]

my code is getting stuck at nrf_breakpoint_cond...

i changed sdk_config.h as suggested 

#ifndef NRF_LOG_ENABLED
#define NRF_LOG_ENABLED 1

#ifndef NRF_LOG_BACKEND_RTT_ENABLED
#define NRF_LOG_BACKEND_RTT_ENABLED 1

somebody can help???

this is where code is stuck

 

and it is the definition

any help would be appriciated...thank you

[Amanda Hsieh]

Hi, 

asmita_patil said:

yes..i did all changes. ..now it is working...

Good to hear it works. 

nrf_drv_vcnl4020_read_registers() is not developed by us and out of our support.

If you have further questions, please create new cases for them. They are already faraway to the title.   

 

-Amanda H.

[asmita_patil]

yes,,but inside nrf_drv_vcnl4020_read_registers() function i have used 

err_code = nrf_drv_twi_tx(&m_twi_instance, vcnl4020_ADDRESS, &reg, 1, false);   and 

err_code = nrf_drv_twi_rx(&m_twi_instance, vcnl4020_ADDRESS, p_data, length);  functions only..it is nothing different...

which are originally 

err_code = nrf_drv_twi_tx(&m_twi, LM75B_ADDR, reg, sizeof(reg), false); 

and 

ret_code_t err_code = nrf_drv_twi_rx(&m_twi, LM75B_ADDR, &m_sample, sizeof(m_sample));  functions used in sdk(LM75B example twi_sensor)

i just created new function for my convenience..thats it..

[Amanda Hsieh]

Hi,

You should set the SES project configuration from "Release" to "Debug", and check what function is returning the error-code that triggers the error-handler and try debugging your application. 

-Amanda H.