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Diffstat (limited to 'firmware/src/picc/decoder_nrzl.c')
-rw-r--r--firmware/src/picc/decoder_nrzl.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/firmware/src/picc/decoder_nrzl.c b/firmware/src/picc/decoder_nrzl.c
index a1b79aa..136a9c8 100644
--- a/firmware/src/picc/decoder_nrzl.c
+++ b/firmware/src/picc/decoder_nrzl.c
@@ -1,6 +1,23 @@
-/* ISO 14443 B Rx (PCD->PICC) implementation
+/* NRZ-L decoder implementation for OpenPICC
* (C) 2006 by Harald Welte <hwelte@hmw-consulting.de>
*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/*
* speed(kbps) 106 212 424 848
* etu 128/fc 64/fc 32/fc 16/fc
* etu(usec) 9.4 4.7 2.35 1.18
personal git repositories of Harald Welte. Your mileage may vary