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-rw-r--r--digital/avr/modules/trace/trace.h125
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diff --git a/digital/avr/modules/trace/trace.h b/digital/avr/modules/trace/trace.h
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+++ b/digital/avr/modules/trace/trace.h
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+#ifndef trace_h
+#define trace_h
+/* trace.h */
+/* {{{
+ *
+ * Copyright (C) 2008 NĂ©lio Laranjeiro
+ *
+ * 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.
+ *
+ * }}} */
+/** File based on work done by Neil Booth <NeilB at earthling dot net>
+ * You can find the example on the website :
+ * http://gcc.gnu.org/ml/gcc-patches/2000-11/msg00016.html
+ * Thanks to him.
+ */
+#define PASTE_EXPAND(a, b) PASTE(a, b)
+
+#define PASTE(a, b) a ## b
+
+#define TRACE_ARGS_COUNT(...) \
+ _TRACE_ARGS_COUNT1 ( , ##__VA_ARGS__)
+
+#define _TRACE_ARGS_COUNT1(...) \
+ _TRACE_ARGS_COUNT2 (__VA_ARGS__, 10,9,8,7,6,5,4,3,2,1,0)
+
+#define _TRACE_ARGS_COUNT2(_ ,_0,_1,_2,_3,_4,_5,_6,_7,_8,_9, n,...) n
+
+#define TRACE(args...) \
+ PASTE_EXPAND(TRACE_PRINT, TRACE_ARGS_COUNT(args...)) (args)
+
+#define TRACE_PRINT1(args)\
+ ({TRACE_PRINT_ARG_TYPE(args);})
+
+#define TRACE_PRINT2(arg0, arg1)\
+ ({ TRACE_PRINT_ARG_TYPE(arg0);\
+ TRACE_PRINT_ARG_TYPE(arg1);})
+
+#define TRACE_PRINT3(arg0, arg1, arg2)\
+ ({ TRACE_PRINT_ARG_TYPE(arg0);\
+ TRACE_PRINT_ARG_TYPE(arg1);\
+ TRACE_PRINT_ARG_TYPE(arg2);})
+
+#define TRACE_PRINT4(arg0, arg1, arg2, arg3)\
+ ({ TRACE_PRINT_ARG_TYPE(arg0);\
+ TRACE_PRINT_ARG_TYPE(arg1);\
+ TRACE_PRINT_ARG_TYPE(arg2);\
+ TRACE_PRINT_ARG_TYPE(arg3);})
+
+#define TRACE_PRINT5(arg0, arg1, arg2, arg3, arg4)\
+ ({ TRACE_PRINT_ARG_TYPE(arg0);\
+ TRACE_PRINT_ARG_TYPE(arg1);\
+ TRACE_PRINT_ARG_TYPE(arg2);\
+ TRACE_PRINT_ARG_TYPE(arg3);\
+ TRACE_PRINT_ARG_TYPE(arg4);})
+
+#define TRACE_PRINT6(arg0, arg1, arg2, arg3, arg4, arg5)\
+ ({ TRACE_PRINT_ARG_TYPE(arg0);\
+ TRACE_PRINT_ARG_TYPE(arg1);\
+ TRACE_PRINT_ARG_TYPE(arg2);\
+ TRACE_PRINT_ARG_TYPE(arg3);\
+ TRACE_PRINT_ARG_TYPE(arg4);\
+ TRACE_PRINT_ARG_TYPE(arg5);})
+
+#define TRACE_PRINT_ARG_TYPE(arg)\
+ do\
+ {\
+ if (sizeof(arg) == sizeof(uint8_t)) TRACE_PRINT_ARG_1(arg);\
+ else if (sizeof(arg) == sizeof(uint16_t)) TRACE_PRINT_ARG_2(arg);\
+ else if (sizeof(arg) == sizeof(uint32_t)) TRACE_PRINT_ARG_4(arg);\
+ }while (0)
+
+
+#define TRACE_PRINT_ARG_1(arg)\
+ ({trace_print_word(arg);})
+
+#define TRACE_PRINT_ARG_2(arg)\
+ ({ trace_print_word(arg >> 8);\
+ trace_print_word(arg);})
+
+#define TRACE_PRINT_ARG_4(arg)\
+ ({ trace_print_word (arg >> 24);\
+ trace_print_word (arg >> 16); \
+ trace_print_word (arg >> 8); \
+ trace_print_word (arg);})
+
+
+struct trace_t
+{
+ /** Flash status. */
+ uint8_t flash_status;
+ /** Flash address. */
+ uint32_t flash_addr;
+ /** Flash next sector */
+ uint32_t flash_next_sector;
+};
+typedef struct trace_t trace_t;
+
+/** Initialise the trace module.
+ */
+void
+trace_init (void);
+
+/** Print the trace.
+ * \param arg the argument to print.
+ */
+void
+trace_print_word (uint8_t arg);
+
+#endif /* trace_h */