1 files changed, 50 insertions, 0 deletions

diff --git a/lib/chibios/os/hal/boards/ARDUINO_NANO/board.c b/lib/chibios/os/hal/boards/ARDUINO_NANO/board.c
new file mode 100644
index 000000000..47ee782c1
--- /dev/null
+++ b/lib/chibios/os/hal/boards/ARDUINO_NANO/board.c
@@ -0,0 +1,50 @@
+/*
+    ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+#include "hal.h"
+
+/**
+ * @brief   PAL setup.
+ * @details Digital I/O ports static configuration as defined in @p board.h.
+ *          This variable is used by the HAL when initializing the PAL driver.
+ */
+#if HAL_USE_PAL || defined(__DOXYGEN__)
+const PALConfig pal_default_config =
+{
+#if defined(PORTB)
+  {VAL_PORTB, VAL_DDRB},
+#endif
+#if defined(PORTC)
+  {VAL_PORTC, VAL_DDRC},
+#endif
+#if defined(PORTD)
+  {VAL_PORTD, VAL_DDRD},
+#endif
+};
+#endif /* HAL_USE_PAL */
+
+/**
+ * Board-specific initialization code.
+ */
+void boardInit(void) {
+
+  /*
+   * External interrupts setup, all disabled initially.
+   */
+  EICRA  = 0x00;
+  EIMSK  = 0x00;
+
+}