--- /dev/null
+#warning revise me!
+
+
+/**
+ * DECLARE_SMEAN(temperature, uint8_t, uint16_t);
+ * for (i = 0; i < TEMP_MEANS; ++i)
+ * SMEAN_ADD(temperature, adc_get(), TEMP_MEANS);
+ * printf("mean temperature = %d\n", SMEAN_GET(temperature));
+ */
+
+/**
+ * Instantiate a mean instance
+ */
+#define DECLARE_SMEAN(name, Type, SumType) \
+ struct { \
+ SumType sum; \
+ Type result; \
+ int count; \
+ } name = { 0, 0, 0 }
+
+/**
+ * Insert a new sample into the mean.
+ *
+ * \note \a mean and \a max_samples are evaluated multiple times
+ */
+#define SMEAN_ADD(mean, sample, max_samples) \
+ do { \
+ (mean).sum += (sample); \
+ if ((mean).count++ >= (max_samples)) \
+ { \
+ (mean).result = (mean).sum / (max_samples); \
+ (mean).sum = 0; \
+ (mean).count = 0; \
+ } \
+ } while (0)
+
+/**
+ * Return current mean value.
+ */
+#define SMEAN_GET(mean) ((mean).result)
+
--- /dev/null
+/**
+ * \file
+ * <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos 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 St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction. Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License. This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
+ * Copyright 2004 Develer S.r.l. (http://www.develer.com/)
+ * Copyright 1999, 2000, 2001 Bernie Innocenti <bernie@codewiz.org>
+ *
+ * -->
+ *
+ * \brief General-purpose run-length {en,de}coding algorithm (implementation)
+ *
+ * Original source code from http://www.compuphase.com/compress.htm
+ *
+ * \version $Id$
+ * \author Bernie Innocenti <bernie@codewiz.org>
+ */
+
+#include "rle.h"
+
+
+/**
+ * Run-length encode \a len bytes from the \a input buffer
+ * to the \a output buffer.
+ */
+int rle(unsigned char *output, const unsigned char *input, int len)
+{
+ int count, index, i;
+ unsigned char first;
+ unsigned char *out;
+
+
+ out = output;
+ count = 0;
+ while (count < len)
+ {
+ index = count;
+ first = input[index++];
+
+ /* Scan for bytes identical to the first one */
+ while ((index < len) && (index - count < 127) && (input[index] == first))
+ index++;
+
+ if (index - count == 1)
+ {
+ /* Failed to "replicate" the current byte. See how many to copy.
+ */
+ while ((index < len) && (index - count < 127))
+ {
+ /* Avoid a replicate run of only 2-bytes after a literal run.
+ * There is no gain in this, and there is a risc of loss if the
+ * run after the two identical bytes is another literal run.
+ * So search for 3 identical bytes.
+ */
+ if ((input[index] == input[index - 1]) &&
+ ((index > 1) && (input[index] == input[index - 2])))
+ {
+ /* Reset the index so we can back up these three identical
+ * bytes in the next run.
+ */
+ index -= 2;
+ break;
+ }
+
+ index++;
+ }
+
+ /* Output a run of uncompressed bytes: write length and values */
+ *out++ = (unsigned char)(count - index);
+ for (i = count; i < index; i++)
+ *out++ = input[i];
+ }
+ else
+ {
+ /* Output a compressed run: write length and value */
+ *out++ = (unsigned char)(index - count);
+ *out++ = first;
+ }
+
+ count = index;
+ }
+
+ /* Output EOF marker */
+ *out++ = 0;
+
+ return (out - output);
+}
+
+
+/**
+ * Run-length decode from the \a input buffer to the \a output
+ * buffer.
+ *
+ * \note The output buffer must be large enough to accomodate
+ * all decoded output.
+ */
+int unrle(unsigned char *output, const unsigned char *input)
+{
+ signed char count;
+ unsigned char *out;
+ unsigned char value;
+
+
+ out = output;
+
+ for (;;)
+ {
+ count = (signed char)*input++;
+ if (count > 0)
+ {
+ /* replicate run */
+ value = *input++;
+ while (count--)
+ *out++ = value;
+ }
+ else if (count < 0)
+ {
+ /* literal run */
+ while (count++)
+ *out++ = *input++;
+ }
+ else
+ /* EOF */
+ break;
+ }
+
+ return (out - output);
+}
--- /dev/null
+/**
+ * \file
+ * <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos 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 St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction. Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License. This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
+ * Copyright 2004 Develer S.r.l. (http://www.develer.com/)
+ * Copyright 1999, 2000, 2001 Bernie Innocenti <bernie@codewiz.org>
+ *
+ * -->
+ *
+ * \version $Id$
+ * \author Bernie Innocenti <bernie@codewiz.org>
+ *
+ * \brief General-purpose run-length {en,de}coding algorithm (interface)
+ */
+#ifndef RLE_H
+#define RLE_H
+
+int rle(unsigned char *output, const unsigned char *input, int length);
+int unrle(unsigned char *output, const unsigned char *input);
+
+#endif /* RLE_H */
* the GNU General Public License.
*
* Copyright 2005 Develer S.r.l. (http://www.develer.com/)
- *
* -->
*
* \brief Poor man's hex arrays (implementation).
*
* \version $Id$
- *
* \author Bernie Innocenti <bernie@codewiz.org>
*/
+++ /dev/null
-/**
- * \file
- * <!--
- * This file is part of BeRTOS.
- *
- * Bertos 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 St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * As a special exception, you may use this file as part of a free software
- * library without restriction. Specifically, if other files instantiate
- * templates or use macros or inline functions from this file, or you compile
- * this file and link it with other files to produce an executable, this
- * file does not by itself cause the resulting executable to be covered by
- * the GNU General Public License. This exception does not however
- * invalidate any other reasons why the executable file might be covered by
- * the GNU General Public License.
- *
- * Copyright 2004 Develer S.r.l. (http://www.develer.com/)
- * Copyright 1999, 2000, 2001 Bernie Innocenti <bernie@codewiz.org>
- *
- * -->
- *
- * \brief General-purpose run-length {en,de}coding algorithm (implementation)
- *
- * Original source code from http://www.compuphase.com/compress.htm
- *
- * \version $Id$
- * \author Bernie Innocenti <bernie@codewiz.org>
- */
-
-#include "rle.h"
-
-
-/**
- * Run-length encode \a len bytes from the \a input buffer
- * to the \a output buffer.
- */
-int rle(unsigned char *output, const unsigned char *input, int len)
-{
- int count, index, i;
- unsigned char first;
- unsigned char *out;
-
-
- out = output;
- count = 0;
- while (count < len)
- {
- index = count;
- first = input[index++];
-
- /* Scan for bytes identical to the first one */
- while ((index < len) && (index - count < 127) && (input[index] == first))
- index++;
-
- if (index - count == 1)
- {
- /* Failed to "replicate" the current byte. See how many to copy.
- */
- while ((index < len) && (index - count < 127))
- {
- /* Avoid a replicate run of only 2-bytes after a literal run.
- * There is no gain in this, and there is a risc of loss if the
- * run after the two identical bytes is another literal run.
- * So search for 3 identical bytes.
- */
- if ((input[index] == input[index - 1]) &&
- ((index > 1) && (input[index] == input[index - 2])))
- {
- /* Reset the index so we can back up these three identical
- * bytes in the next run.
- */
- index -= 2;
- break;
- }
-
- index++;
- }
-
- /* Output a run of uncompressed bytes: write length and values */
- *out++ = (unsigned char)(count - index);
- for (i = count; i < index; i++)
- *out++ = input[i];
- }
- else
- {
- /* Output a compressed run: write length and value */
- *out++ = (unsigned char)(index - count);
- *out++ = first;
- }
-
- count = index;
- }
-
- /* Output EOF marker */
- *out++ = 0;
-
- return (out - output);
-}
-
-
-/**
- * Run-length decode from the \a input buffer to the \a output
- * buffer.
- *
- * \note The output buffer must be large enough to accomodate
- * all decoded output.
- */
-int unrle(unsigned char *output, const unsigned char *input)
-{
- signed char count;
- unsigned char *out;
- unsigned char value;
-
-
- out = output;
-
- for (;;)
- {
- count = (signed char)*input++;
- if (count > 0)
- {
- /* replicate run */
- value = *input++;
- while (count--)
- *out++ = value;
- }
- else if (count < 0)
- {
- /* literal run */
- while (count++)
- *out++ = *input++;
- }
- else
- /* EOF */
- break;
- }
-
- return (out - output);
-}
-/**
- * \file
- * <!--
- * This file is part of BeRTOS.
- *
- * Bertos 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 St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * As a special exception, you may use this file as part of a free software
- * library without restriction. Specifically, if other files instantiate
- * templates or use macros or inline functions from this file, or you compile
- * this file and link it with other files to produce an executable, this
- * file does not by itself cause the resulting executable to be covered by
- * the GNU General Public License. This exception does not however
- * invalidate any other reasons why the executable file might be covered by
- * the GNU General Public License.
- *
- * Copyright 2004 Develer S.r.l. (http://www.develer.com/)
- * Copyright 1999, 2000, 2001 Bernie Innocenti <bernie@codewiz.org>
- *
- * -->
- *
- * \version $Id$
- * \author Bernie Innocenti <bernie@codewiz.org>
- *
- * \brief General-purpose run-length {en,de}coding algorithm (interface)
- */
-#ifndef RLE_H
-#define RLE_H
-
-int rle(unsigned char *output, const unsigned char *input, int length);
-int unrle(unsigned char *output, const unsigned char *input);
-
-#endif /* RLE_H */
+#warning This header is OBSOLETE
+#include <algo/rle.h>
projects / bertos.git / commitdiff