UART code for a 16550.

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

diff --git a/ROM2/server.h b/ROM2/server.h
index f07ee54..7b118cb 100644 (file)
--- a/ROM2/server.h
+++ b/ROM2/server.h
@@ -3,9 +3,20 @@
 
 #define AUTH_GOOD      1
 #define AUTH_BAD      -1
-#define AUTH_NO_MONEY -2
+#define AUTH_NO_MONEY -2  /* for balances < $0 */
 #define AUTH_LOCKED   -3
 
+#define CREDIT_OK      1
+#define CREDIT_FAIL    -1
+
+#define REQUEST_OK        1
+#define REQUEST_NO_MONEY -1 /* insufficient credit */
+#define REQUEST_SERVFAIL -2 /* server did not respond */
+#define REQUEST_EMPTY    -3 /* none of item left */
+#define REQUEST_INVAL    -4 /* no such item */
+
 u8 server_authenticate(u16 uid, u16 pin);
+u8 server_request(u16 uid, u16 pin, u8 item);
+u8 server_credit_account(u16 uid, u16 pin, u16 amt);
 
 #endif /* _SERVER_H_ */