# name of your application
APPLICATION = dtls_echo

# If no BOARD is found in the environment, use this default:
BOARD ?= native

# This has to be the absolute path to the RIOT base directory:
RIOTBASE ?= $(CURDIR)/../..

# Include packages that pull up and auto-init the link layer.
# NOTE: 6LoWPAN will be included if IEEE802.15.4 devices are present
USEMODULE += gnrc_netdev_default
USEMODULE += auto_init_gnrc_netif
# Specify the mandatory networking modules for IPv6 and UDP
USEMODULE += gnrc_ipv6_default
USEMODULE += gnrc_sock_udp

# Add also the shell, some shell commands
USEMODULE += shell
USEMODULE += shell_commands

USEPKG += tinydtls

# UDP Port to use (20220 is default for DTLS).
DTLS_PORT ?= 20220
CFLAGS += -DDTLS_DEFAULT_PORT=$(DTLS_PORT)

# NOTE: If not cipher suite is selected, DTLS_PSK is used by default.
# This adds support for TLS_PSK_WITH_AES_128_CCM_8
# CFLAGS += -DDTLS_PSK
# This adds support for TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8
# CFLAGS += -DDTLS_ECC

# Define the log entry for the tinydtls package.
# Values: 0:EMERG (Default), 1:ALERT 2:CRIT 3:WARN 4:NOTICE 5:INFO 6:DEBUG
TINYDTLS_LOG ?= 0

# Enable this line for setting tinyDTLS in debug mode.
# This overrides TINYDTLS_LOG to 6
# CFLAGS += -DTINYDTLS_DEBUG

# FIXME: This is a temporary patch
# TinyDTLS <= 0.8.6 requires around 426 bytes in RAM.
CFLAGS += -DTHREAD_STACKSIZE_MAIN=\(3*THREAD_STACKSIZE_DEFAULT\)
# TINYDTLS_EXTRA_BUFF can be used for increasing the server stack memory.
# CFLAGS += -DTINYDTLS_EXTRA_BUFF=\(512\)

# Comment this out to disable code in RIOT that does safety checking
# which is not needed in a production environment but helps in the
# development process:
CFLAGS += -DDEVELHELP

# Change this to 0 show compiler invocation lines by default:
QUIET ?= 1

include $(RIOTBASE)/Makefile.include