restructuring

F0:F030,F042,F072/USBHID/usart.h

@@ -0,0 +1,60 @@
+/*
+ * usart.h
+ *
+ * Copyright 2017 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
+#ifndef __USART_H__
+#define __USART_H__
+
+#include "hardware.h"
+
+// input and output buffers size
+#define UARTBUFSZI  (32)
+#define UARTBUFSZO  (512)
+// timeout between data bytes
+#ifndef TIMEOUT_MS
+#define TIMEOUT_MS (1500)
+#endif
+
+// macro for static strings
+#define SEND(str) usart_send(str)
+
+#ifdef EBUG
+#define MSG(str)  do{SEND(__FILE__ " (L" STR(__LINE__) "): " str);}while(0)
+#else
+#define MSG(str)
+#endif
+
+#define usartrx()  (linerdy)
+#define usartovr() (bufovr)
+
+extern volatile int linerdy, bufovr, txrdy;
+
+void transmit_tbuf();
+void usart_setup();
+int usart_getline(char **line);
+void usart_send(const char *str);
+void usart_sendn(const char *str, uint8_t L);
+void newline();
+void usart_putchar(const char ch);
+void printu(uint32_t val);
+void printuhex(uint32_t val);
+void hexdump(uint8_t *arr, uint16_t len);
+
+#endif // __USART_H__