add licensing information

4 files changed, 20 insertions, 0 deletions

diff --git a/src/arch/stm32f446re-nucleo/driver/counter.cc b/src/arch/stm32f446re-nucleo/driver/counter.cc
index dfd22e3..1512019 100644
--- a/src/arch/stm32f446re-nucleo/driver/counter.cc
+++ b/src/arch/stm32f446re-nucleo/driver/counter.cc
@@ -1,3 +1,8 @@
+/*
+ * Copyright 2020 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
 #include "arch.h"
 #include "driver/counter.h"
 
diff --git a/src/arch/stm32f446re-nucleo/driver/gpio.cc b/src/arch/stm32f446re-nucleo/driver/gpio.cc
index 1403aed..148bcdb 100644
--- a/src/arch/stm32f446re-nucleo/driver/gpio.cc
+++ b/src/arch/stm32f446re-nucleo/driver/gpio.cc
@@ -1,3 +1,8 @@
+/*
+ * Copyright 2020 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
 #include "driver/gpio.h"
 
 GPIO gpio;
diff --git a/src/arch/stm32f446re-nucleo/driver/stdout.cc b/src/arch/stm32f446re-nucleo/driver/stdout.cc
index 2c20158..7cb8850 100644
--- a/src/arch/stm32f446re-nucleo/driver/stdout.cc
+++ b/src/arch/stm32f446re-nucleo/driver/stdout.cc
@@ -1,3 +1,8 @@
+/*
+ * Copyright 2020 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
 #include "driver/stdout.h"
 
 #include <libopencm3/stm32/rcc.h>
diff --git a/src/arch/stm32f446re-nucleo/driver/uptime.cc b/src/arch/stm32f446re-nucleo/driver/uptime.cc
index 388edb6..621ec91 100644
--- a/src/arch/stm32f446re-nucleo/driver/uptime.cc
+++ b/src/arch/stm32f446re-nucleo/driver/uptime.cc
@@ -1,3 +1,8 @@
+/*
+ * Copyright 2020 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
 #include "driver/uptime.h"
 
 Uptime uptime;