Message Integrity Checking

[uccvend-snackrom.git] / ROM2 / sci.h

diff --git a/ROM2/sci.h b/ROM2/sci.h
index 0db4b64..3a4fdef 100644 (file)
--- a/ROM2/sci.h
+++ b/ROM2/sci.h
@@ -3,20 +3,25 @@
 
 #include "vend.h"
 
-#define BUFFER_LEN 12
+#define BUFFER_LEN 20
 #define CRLF "\r\n"
 
+#define SERIAL_TIMEOUT -2
+
 void sci_init();
 void msg_clr();
 void send_buffer(bool crlf);
 void send_string(char* s);
 void send_ack();
 void send_nack();
+int serial_readchar(u8 timeout);
+void serial_write(const char *str, int len);
 #define wait_for_tx_free() do { } while(0)
 
 extern char sci_tx_buf[BUFFER_LEN];
 extern volatile char sci_rx_buf[BUFFER_LEN];
 extern volatile u8 sci_have_packet;
 extern volatile bool sci_echo;
+extern bool sci_doing_xmodem;
 
 #endif /* _SCI_H_ */