'NRF_DRV_TWI_INSTANCE_0' undeclared here (not in a function); did...
'NRF_DRV_TWI_INSTANCE_0' undeclared here (not in a function); did you mean 'NRF_DRV_TWI_INSTANCE_'? 双击检查错误,发现TWI_ENABLE 以及EASY_DMA没有定义。定位TWI_ENABLE 总是会跳到OLD_APP_CONFIG中去。 后来在nordic官网论坛看了下,发现问题出在sdk_config.h这个文件里。在sdk_config.h中查找IIC...