Add copyright information.

crc.c

@@ -1,3 +1,6 @@
+/* Copyright (C) 2022-2023 Salvatore Sanfilippo -- All Rights Reserved
+ * See the LICENSE file for information about the license. */
+
 #include <stdint.h>
 #include <stddef.h>
 

protocols/b4b1.c

@@ -1,4 +1,7 @@
-/* PT/SC remotes. Usually 443.92 Mhz OOK.
+/* Copyright (C) 2022-2023 Salvatore Sanfilippo -- All Rights Reserved
+ * See the LICENSE file for information about the license.
+ *
+ * PT/SC remotes. Usually 443.92 Mhz OOK.
  *
  * This line code is used in many remotes such as Princeton chips
  * named PT2262, Silian Microelectronics SC5262 and others.

protocols/keeloq.c

@@ -1,4 +1,7 @@
-/* Microchip HCS200/HCS300/HSC301 KeeLoq, rolling code remotes.
+/* Copyright (C) 2022-2023 Salvatore Sanfilippo -- All Rights Reserved
+ * See the LICENSE file for information about the license.
+ *
+ * Microchip HCS200/HCS300/HSC301 KeeLoq, rolling code remotes.
  *
  * Usually 443.92 Mhz OOK, ~200us or ~400us pulse len, depending
  * on the configuration.

protocols/oregon2.c

@@ -1,4 +1,7 @@
-/* Oregon remote termometers. Usually 443.92 Mhz OOK.
+/* Copyright (C) 2022-2023 Salvatore Sanfilippo -- All Rights Reserved
+ * See the LICENSE file for information about the license.
+ *
+ * Oregon remote termometers. Usually 443.92 Mhz OOK.
  *
  * The protocol is described here:
  * https://wmrx00.sourceforge.net/Arduino/OregonScientific-RF-Protocols.pdf

protocols/tpms/citroen.c

@@ -1,4 +1,7 @@
-/* Citroen TPMS. Usually 443.92 Mhz FSK.
+/* Copyright (C) 2022-2023 Salvatore Sanfilippo -- All Rights Reserved
+ * See the LICENSE file for information about the license.
+ *
+ * Citroen TPMS. Usually 443.92 Mhz FSK.
  *
  * Preamble of ~14 high/low 52 us pulses
  * Sync of high 100us pulse then 50us low

protocols/tpms/ford.c

@@ -1,4 +1,7 @@
-/* Ford tires TPMS. Usually 443.92 Mhz FSK (in Europe).
+/* Copyright (C) 2022-2023 Salvatore Sanfilippo -- All Rights Reserved
+ * See the LICENSE file for information about the license.
+ *
+ * Ford tires TPMS. Usually 443.92 Mhz FSK (in Europe).
  *
  * 52 us short pules
  * Preamble: 0101010101010101010101010101

protocols/tpms/renault.c

@@ -1,4 +1,7 @@
-/* Renault tires TPMS. Usually 443.92 Mhz FSK.
+/* Copyright (C) 2022-2023 Salvatore Sanfilippo -- All Rights Reserved
+ * See the LICENSE file for information about the license.
+ *
+ * Renault tires TPMS. Usually 443.92 Mhz FSK.
  *
  * Preamble + sync + Manchester bits. ~48us short pulse.
  * 9 Bytes in total not counting the preamble. */

protocols/tpms/schrader.c

@@ -1,4 +1,7 @@
-/* Schrader TPMS. Usually 443.92 Mhz OOK, 120us pulse len.
+/* Copyright (C) 2022-2023 Salvatore Sanfilippo -- All Rights Reserved
+ * See the LICENSE file for information about the license.
+ *
+ * Schrader TPMS. Usually 443.92 Mhz OOK, 120us pulse len.
  *
  * 500us high pulse + Preamble + Manchester coded bits where:
  * 1 = 10

protocols/tpms/schrader_eg53ma4.c

@@ -1,4 +1,7 @@
-/* Schrader variant EG53MA4 TPMS.
+/* Copyright (C) 2022-2023 Salvatore Sanfilippo -- All Rights Reserved
+ * See the LICENSE file for information about the license.
+ *
+ * Schrader variant EG53MA4 TPMS.
  * Usually 443.92 Mhz OOK, 100us pulse len.
  *
  * Preamble: alternating pulse/gap, 100us.

protocols/tpms/toyota.c

@@ -1,4 +1,7 @@
-/* Toyota tires TPMS. Usually 443.92 Mhz FSK (In Europe).
+/* Copyright (C) 2022-2023 Salvatore Sanfilippo -- All Rights Reserved
+ * See the LICENSE file for information about the license.
+ *
+ * Toyota tires TPMS. Usually 443.92 Mhz FSK (In Europe).
  *
  * Preamble + sync + 64 bits of data. ~48us short pulse length.
  *