add licensing information

6 files changed, 30 insertions, 7 deletions

diff --git a/include/arch/esp8266/driver/counter.h b/include/arch/esp8266/driver/counter.h
index beb36e5..8c2d22f 100644
--- a/include/arch/esp8266/driver/counter.h
+++ b/include/arch/esp8266/driver/counter.h
@@ -1,3 +1,8 @@
+/*
+ * Copyright 2020 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
 #ifndef COUNTER_H
 #define COUNTER_H
 
diff --git a/include/arch/esp8266/driver/gpio.h b/include/arch/esp8266/driver/gpio.h
index 3db5d9d..b609f76 100644
--- a/include/arch/esp8266/driver/gpio.h
+++ b/include/arch/esp8266/driver/gpio.h
@@ -1,3 +1,8 @@
+/*
+ * Copyright 2020 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
 #ifndef GPIO_H
 #define GPIO_H
 
diff --git a/include/arch/esp8266/driver/stdin.h b/include/arch/esp8266/driver/stdin.h
index 6462e0c..1085111 100644
--- a/include/arch/esp8266/driver/stdin.h
+++ b/include/arch/esp8266/driver/stdin.h
@@ -1,3 +1,8 @@
+/*
+ * Copyright 2020 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
 #ifndef STANDARDINPUT_H
 #define STANDARDINPUT_H
 
diff --git a/include/arch/esp8266/driver/stdout.h b/include/arch/esp8266/driver/stdout.h
index 8d366d8..2484cee 100644
--- a/include/arch/esp8266/driver/stdout.h
+++ b/include/arch/esp8266/driver/stdout.h
@@ -1,3 +1,8 @@
+/*
+ * Copyright 2020 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
 #ifndef STANDARDOUTPUT_H
 #define STANDARDOUTPUT_H
 
@@ -37,25 +42,18 @@ class StandardOutput {
 };
 
 
-// ENDL: new line character (and flush)
 StandardOutput & endl(StandardOutput & os);
 
-// BIN: print numbers in binary form.
 StandardOutput & bin(StandardOutput & os);
 
-// OCT: print numbers in octal form.
 StandardOutput & oct(StandardOutput & os);
 
-// DEC: print numbers in decimal form.
 StandardOutput & dec(StandardOutput & os);
 
-// HEX: print numbers in hexadecimal form.
 StandardOutput & hex(StandardOutput & os);
 
-// FLUSH: flush StandardOutput buffer
 StandardOutput & flush(StandardOutput & os);
 
-// TERM: zero-termination
 StandardOutput & term(StandardOutput & os);
 
 extern StandardOutput kout;
diff --git a/include/arch/esp8266/driver/uptime.h b/include/arch/esp8266/driver/uptime.h
index 44dde43..f3e2f23 100644
--- a/include/arch/esp8266/driver/uptime.h
+++ b/include/arch/esp8266/driver/uptime.h
@@ -1,3 +1,8 @@
+/*
+ * Copyright 2020 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
 #ifndef UPTIME_H
 #define UPTIME_H
 
diff --git a/include/arch/esp8266/user_config.h b/include/arch/esp8266/user_config.h
index 529fb46..bbd7001 100644
--- a/include/arch/esp8266/user_config.h
+++ b/include/arch/esp8266/user_config.h
@@ -1,4 +1,9 @@
 /*
+ * Copyright 2020 Daniel Friesel
+ *
+ * SPDX-License-Identifier: CC0-1.0
+ */
+/*
  * required by ESP8266 SDK's osapi.h
  *
  * Intentionally left blank.