- add some comments on what this code does

- more debugging output
- switch LED1(red) according to the result of the transceive operation


git-svn-id: https://svn.openpcd.org:2342/trunk@46 6dc7ffe9-61d6-0310-9af1-9938baff3ed1

1 files changed, 18 insertions, 2 deletions

diff --git a/openpcd/firmware/src/main_reqa.c b/openpcd/firmware/src/main_reqa.c
index 64cceb0..1c375c3 100644
--- a/openpcd/firmware/src/main_reqa.c
+++ b/openpcd/firmware/src/main_reqa.c
@@ -1,3 +1,12 @@
+/* main_reqa - OpenPCD firmware for generating an endless loop of
+ * ISO 14443-A REQA packets.
+ *
+ * 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
+ * receiver, LED1 (Red) will be switched off.
+ *
+ */
+
 #include "rc632.h"
 #include "dbgu.h"
 #include "led.h"
@@ -8,9 +17,13 @@
 
 void _init_func(void)
 {
-	rc632_init();
 	//udp_init();
 	trigger_init();
+	rc632_init();
+	DEBUGPCRF("turning on RF");
+	rc632_turn_on_rf(RAH);
+	DEBUGPCRF("initializing 14443A operation");
+	rc632_iso14443a_init(RAH);
 }
 
 
@@ -22,8 +35,11 @@ void _main_func(void)
 
 	trigger_pulse();
 
-	if (rc632_iso14443a_transceive_sf(ISO14443A_SF_CMD_WUPA, &atqa)	< 0)
+	if (rc632_iso14443a_transceive_sf(RAH, ISO14443A_SF_CMD_WUPA, &atqa) < 0) {
 		DEBUGPCRF("error during transceive_sf");
+		led_switch(1, 0);
+	} else
+		led_switch(1, 1);
 	
 	led_toggle(2);
 }