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-rw-r--r--openpcd/firmware/src/main_reqa.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/openpcd/firmware/src/main_reqa.c b/openpcd/firmware/src/main_reqa.c
index 7f75e97..0e9acea 100644
--- a/openpcd/firmware/src/main_reqa.c
+++ b/openpcd/firmware/src/main_reqa.c
@@ -1,5 +1,6 @@
/* main_reqa - OpenPCD firmware for generating an endless loop of
- * ISO 14443-A REQA packets.
+ * ISO 14443-A REQA packets. Alternatively we can send WUPA, or
+ * perform a full ISO14443A anti-collision loop.
*
* If a response is received from the PICC, LED1 (Red) will be switched
* on. If no valid response has been received within the timeout of the
personal git repositories of Harald Welte. Your mileage may vary