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+#ifndef isp_frame_h
+#define isp_frame_h
+/* isp_frame.h */
+/* avr.isp - Serial programming AVR module. {{{
+ *
+ * Copyright (C) 2009 Nicolas Schodet
+ *
+ * APBTeam:
+ * Web: http://apbteam.org/
+ * Email: team AT apbteam DOT org
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * }}} */
+
+/** The isp_frame sub module transfers data between a character oriented device
+ * (uart, usb bulk, tcp socket) and a framed device (isp_proto) to support
+ * implementation of AVR068. */
+
+/** Should be implemented by the user to send a character. */
+void
+AC_ISP_FRAME_SEND_CHAR (uint8_t c);
+
+/** Accept an input character. */
+void
+isp_frame_accept_char (uint8_t c);
+
+/** Should be implemented by the user (isp_proto) to accept a frame.
+ *
+ * The provided buffer can be used by the callee. */
+void
+AC_ISP_FRAME_ACCEPT_FRAME (uint8_t *data, uint16_t len, uint16_t buffer_size);
+
+/** Send a frame, to be used by isp_proto. */
+void
+isp_frame_send_frame (uint8_t *data, uint16_t len);
+
+#endif /* isp_frame_h */