# Logging
CONFIG_LOG=y
 
# Button and LED support
CONFIG_DK_LIBRARY=y
 
# Newlib
CONFIG_NEWLIB_LIBC=y
CONFIG_NEWLIB_LIBC_FLOAT_PRINTF=y
# Networking
CONFIG_NETWORKING=y
CONFIG_NET_NATIVE=n
CONFIG_NET_SOCKETS_OFFLOAD=y
CONFIG_NET_SOCKETS=y
CONFIG_POSIX_API=y
 
# Memory
CONFIG_MAIN_STACK_SIZE=4096
CONFIG_HEAP_MEM_POOL_SIZE=2048
 
# Modem library
CONFIG_NRF_MODEM_LIB=y
 
# LTE link control
CONFIG_LTE_LINK_CONTROL=y
CONFIG_LTE_NETWORK_MODE_LTE_M_NBIOT=y
 
# MQTT
# STEP 2.1 - Enable and configure the MQTT library
CONFIG_MQTT_LIB=y
CONFIG_MQTT_CLEAN_SESSION=y
 
# Application
# STEP 2.2 - Configure the broker name, TCP port, topic names, and message
CONFIG_MQTT_PUB_TOPIC="zephyr/test"
CONFIG_MQTT_SUB_TOPIC="devacademy/subscribe/topic"
CONFIG_MQTT_BROKER_HOSTNAME="34.46.65.84"
CONFIG_MQTT_BROKER_PORT=1883
 
 
 
#i2c configuration
CONFIG_I2C=y            # i2c function add
CONFIG_I2C_NRFX=y
 
CONFIG_NRFX_TWIM0=n
CONFIG_NRFX_TWIM1=n
CONFIG_NRFX_TWIM2=y
CONFIG_NRFX_TWIM3=n
 
CONFIG_PRINTK=y      
CONFIG_CONSOLE=y          
CONFIG_UART_CONSOLE=y
CONFIG_SERIAL=y          
 
 
 
CONFIG_ASSERT=y
CONFIG_I2C_LOG_LEVEL_DBG=y
CONFIG_LOG_MODE_IMMEDIATE=y
 
 
CONFIG_CBPRINTF_FP_SUPPORT=y   # float %f
CONFIG_MQTT_KEEPALIVE=120
 
CONFIG_MQTT_CLIENT_ID="JunyoungJeon"
CONFIG_MQTT_MESSAGE_BUFFER_SIZE=1024
 
CONFIG_NET_IPV4=y