I2C communication issue

[All4here]

hello i am using nrf52840, with BME280, i have external pullup 10k resistor. how i can disable the internal pullup resistor. i am using this sample code.

github.com/.../main.c

[Jørgen Holmefjord]

Hi,

In SDK 13.0.0, the GPIO pins are configured on line 112-131 in the file nrf_drv_twi.c. You can disable internal pullup by changing the defines SCL_PIN_INIT_CONF and SCL_PIN_INIT_CONF_CLR from GPIO_PIN_CNF_PULL_Pullup to GPIO_PIN_CNF_PULL_Disabled.

Best regards,

Jørgen