autodetect passive nfc operation or usb operation

2019-02-26 15:04:23 -05:00
parent e2ca7f52db
commit e8d0ad5e7c
9 changed files with 175 additions and 153 deletions
--- a/targets/stm32l432/src/nfc.h
+++ b/targets/stm32l432/src/nfc.h
@ -5,7 +5,9 @@
 #include <stdbool.h>
 #include "apdu.h"

-void nfc_loop();
+// Return number of bytes read if any.
+int nfc_loop();
+
 bool nfc_init();

 typedef struct