hide deprecated code; make USB snippet common for F0/F1/F3

F1:F103/deprecated/CDC_ACM/usb.h

@@ -0,0 +1,39 @@
+/*
+ *                                                                                                  geany_encoding=koi8-r
+ * usb.h
+ *
+ * Copyright 2018 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ *
+ */
+#pragma once
+#ifndef __USB_H__
+#define __USB_H__
+
+#include "hardware.h"
+
+// send string with constant length
+#define USND(str)  do{USB_send((uint8_t*)str, sizeof(str)-1);}while(0)
+
+void USB_setup();
+void usb_proc();
+void USB_send(const uint8_t *buf, uint16_t len);
+void USB_sendstr(const char *str);
+void USB_send_blk(const uint8_t *buf, uint16_t len);
+uint8_t USB_receive(uint8_t *buf);
+
+#endif // __USB_H__