From 8f8eb86e54ebc31a05dcc0611d3fd3c7cdbbcc99 Mon Sep 17 00:00:00 2001
From: Hauke Petersen <hauke.petersen@fu-berlin.de>
Date: Tue, 10 Mar 2020 15:08:11 +0100
Subject: [PATCH] boards/common/arduino-due: add RTT config+feature

---
 boards/common/arduino-due/Makefile.features     | 1 +
 boards/common/arduino-due/include/periph_conf.h | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/boards/common/arduino-due/Makefile.features b/boards/common/arduino-due/Makefile.features
index 5e3e63f10dc5..45c14863448d 100644
--- a/boards/common/arduino-due/Makefile.features
+++ b/boards/common/arduino-due/Makefile.features
@@ -6,6 +6,7 @@ FEATURES_PROVIDED += periph_adc
 FEATURES_PROVIDED += periph_dac
 FEATURES_PROVIDED += periph_gpio periph_gpio_irq
 FEATURES_PROVIDED += periph_pwm
+FEATURES_PROVIDED += periph_rtt
 FEATURES_PROVIDED += periph_spi
 FEATURES_PROVIDED += periph_timer
 FEATURES_PROVIDED += periph_uart
diff --git a/boards/common/arduino-due/include/periph_conf.h b/boards/common/arduino-due/include/periph_conf.h
index 8f92c7277e73..3861d24e86b2 100644
--- a/boards/common/arduino-due/include/periph_conf.h
+++ b/boards/common/arduino-due/include/periph_conf.h
@@ -72,6 +72,13 @@ static const timer_conf_t timer_config[] = {
 #define TIMER_NUMOF         ARRAY_SIZE(timer_config)
 /** @} */
 
+/**
+ * @name    RTT configuration
+ * @{
+ */
+#define RTT_FREQUENCY       (1U)        /* 1Hz */
+/** @} */
+
 /**
  * @name    UART configuration
  * @{