seems like all works @ F103

F1:F103/USB_New_concept/USB_NEW_concept_7inone/usart.h

@@ -0,0 +1,45 @@
+/*
+ * usart.h
+ *
+ * Copyright 2018 Edward V. Emelianoff <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
+
+#include <stdint.h>
+
+#define UARTBUFSZO  (2048)
+
+// macro for static strings
+#define USEND(str) usart_send(str)
+
+#ifdef EBUG
+#define STR_HELPER(s)   #s
+#define STR(s)          STR_HELPER(s)
+#define DBG(str)  do{usart_send(__FILE__ " (L" STR(__LINE__) "): " str); usart_putchar('\n');}while(0)
+#define DBGs(str) do{usart_send(str); usart_putchar('\n');}while(0)
+#else
+#define DBG(s)
+#define DBGs(s)
+#endif
+
+void usart_transmit();
+void usart_setup();
+void usart_send(const char *str);
+void usart_putchar(const char ch);
+char *uhex2str(uint32_t val);