# 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)/../..

# TinyDTLS only has support for 32-bit architectures ATM
BOARD_BLACKLIST := arduino-duemilanove arduino-leonardo \
                   arduino-mega2560 arduino-nano \
                   arduino-uno chronos jiminy-mega256rfr2 mega-xplained \
                   msb-430 msb-430h telosb waspmote-pro wsn430-v1_3b \
                   wsn430-v1_4 z1

BOARD_INSUFFICIENT_MEMORY := airfy-beacon b-l072z-lrwan1 blackpill bluepill calliope-mini \
                             cc2650-launchpad cc2650stk hifive1 hifive1b lsn50 i-nucleo-lrwan1 maple-mini \
                             microbit nrf51dk nrf51dongle nrf6310 nucleo-f031k6 \
                             nucleo-f042k6 nucleo-f303k8 nucleo-l031k6 nucleo-f030r8 \
                             nucleo-f070rb nucleo-f072rb nucleo-f103rb nucleo-f302r8 nucleo-f334r8 \
                             nucleo-l053r8 nucleo-l073rz opencm904 saml10-xpro \
                             saml11-xpro spark-core stm32f0discovery stm32l0538-disco yunjia-nrf51822

# 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