Message Integrity Checking

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

diff --git a/ROM2/sci.h b/ROM2/sci.h
index 80ac024..3a4fdef 100644 (file)
--- a/ROM2/sci.h
+++ b/ROM2/sci.h
@@ -3,4 +3,25 @@
 
 #include "vend.h"
 
+#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_ */