fixed schematics @ canon managing, add initialization for absolute positioning, TODO: add CAN bus management

F1:F103/Canon_managing_device/proto.h

@@ -22,6 +22,15 @@
 
 #include <stm32f1.h>
 
+#define printu(x)       do{USB_send(u2str(x));}while(0)
+#define printuhex(x)    do{USB_send(uhex2str(x));}while(0)
+
+#ifdef EBUG
+#define DBG(x)      do{USB_send(x); USB_send("\n");}while(0)
+#else
+#define DBG(x)
+#endif
+
 const char *parse_cmd(const char *buf);
 char *omit_spaces(const char *buf);
 char *getnum(const char *buf, uint32_t *N);