I am using the nRF9160dk evaluation board. I need to connect to the I2C bus. I thought I had configured it properly and I am sending bytes to I2c bus on pins SDA-P0.30 and SCK-P0.31. I do see what looks like correct activity on the I2C bus when I do a read or a write command but I get the following error.
[00:00:10.681,762] <err> i2c_nrfx_twim: Error 195952641 occurred for message 0
[00:00:10.689,910] <err> i2c_nrfx_twim: Error 195952641 occurred for message 0
I have no idea what this means and how to get rid of it. I am new to the nRF9160dk so any help would be greatly appreciated.
prj.conf
#
# Copyright (c) 2019 Nordic Semiconductor ASA
#
# SPDX-License-Identifier: LicenseRef-BSD-5-Clause-Nordic
#
# General config
CONFIG_NEWLIB_LIBC=y
CONFIG_NEWLIB_LIBC_FLOAT_PRINTF=y
CONFIG_ASSERT=y
CONFIG_REBOOT=y
CONFIG_LOG=y
CONFIG_LOG_IMMEDIATE=y
# Network
CONFIG_NETWORKING=y
CONFIG_NET_NATIVE=n
CONFIG_NET_SOCKETS=y
CONFIG_NET_SOCKETS_OFFLOAD=y
# LTE link control
CONFIG_POWER_OPTIMIZATION_ENABLE=n
CONFIG_LTE_LINK_CONTROL=y
CONFIG_LTE_NETWORK_MODE_LTE_M_GPS=y
CONFIG_LTE_AUTO_INIT_AND_CONNECT=n
CONFIG_LTE_LINK_CONTROL_LOG_LEVEL_DBG=y
CONFIG_LTE_NETWORK_MODE_NBIOT=n
CONFIG_LTE_LEGACY_PCO_MODE=n
CONFIG_LTE_PSM_REQ_RPTAU="00000110"
CONFIG_LTE_PSM_REQ_RAT="00000000"
# Modem info
CONFIG_MODEM_INFO=y
# BSD library
CONFIG_BSD_LIBRARY=y
CONFIG_BSD_LIBRARY_TRACE_ENABLED=n
# nRF Cloud
CONFIG_CLOUD_API=y
CONFIG_NRF_CLOUD=y
CONFIG_NRF_CLOUD_LOG_LEVEL_DBG=y
# Sensors
CONFIG_ACCEL_USE_SIM=y
CONFIG_TEMP_USE_SIM=y
CONFIG_CLOUD_BUTTON=n
# GPS
CONFIG_NRF9160_GPS=y
CONFIG_NRF9160_GPS_LOG_LEVEL_DBG=y
CONFIG_GPS_USE_EXTERNAL=y
CONFIG_GPS_DEV_NAME="NRF9160_GPS"
CONFIG_GPS_CONTROL=y
CONFIG_GPS_CONTROL_FIRST_FIX_CHECK_DELAY=10
CONFIG_GPS_CONTROL_FIX_CHECK_INTERVAL=30
CONFIG_GPS_CONTROL_FIX_TRY_TIME=360
CONFIG_GPS_CONTROL_PSM_DISABLE_ON_STOP=n
# Library for buttons and LEDs
CONFIG_DK_LIBRARY=y
CONFIG_DK_LIBRARY_INVERT_LEDS=n
# Console
#CONFIG_CONSOLE_SUBSYS=y
#CONFIG_CONSOLE_HANDLER=y
#CONFIG_CONSOLE_GETCHAR=y
# Heap and stacks
CONFIG_HEAP_MEM_POOL_SIZE=16384
CONFIG_MAIN_STACK_SIZE=8192
CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=2048
CONFIG_HW_STACK_PROTECTION=y
# MCUBOOT
CONFIG_BOOTLOADER_MCUBOOT=y
CONFIG_IMG_MANAGER=y
CONFIG_MCUBOOT_IMG_MANAGER=y
# Flash
CONFIG_FLASH=y
CONFIG_IMG_ERASE_PROGRESSIVELY=y
# AWS FOTA
CONFIG_AWS_FOTA=y
CONFIG_AWS_FOTA_LOG_LEVEL_DBG=y
CONFIG_AWS_JOBS_LOG_LEVEL_DBG=y
CONFIG_DFU_TARGET=y
# Download client (needed by AWS FOTA)
CONFIG_DOWNLOAD_CLIENT=y
CONFIG_DOWNLOAD_CLIENT_STACK_SIZE=4096
# Fatal error
CONFIG_RESET_ON_FATAL_ERROR=n
#from sensor test
CONFIG_WATCHDOG=y
CONFIG_SERIAL=y
CONFIG_UART_0_ASYNC=y
CONFIG_UART_INTERRUPT_DRIVEN=y
CONFIG_SPI=y
CONFIG_SPI_ASYNC=y
CONFIG_SPI_LOG_LEVEL_INF=y
CONFIG_I2C=y
CONFIG_ADC=y
CONFIG_ADC_0=y
CONFIG_ADC_NRFX_SAADC=y
CONFIG_PWM=y
CONFIG_I2C_NRFX=y
CONFIG_I2C_2=y
CONFIG_I2C_2_NRF_TWIM=y
