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200246949a
For easier developement/experiment, this adds two options:
- CONFIG_ENCODE_SEGMENT/CONFIG_ENCODE_RAW
SEGMENT style encoding uses less RAM, so it can store the entire
frame. However, it sometimes losses data. RAW style encoding is
always lossless, but it can only save a bit more than a half
frame.
- CONFIG_ENCODE_DUMP_PYTHON
If this flag is defined, the output style is a 2-D Python list.
This is used so that the data can be easily fed into another
script.
BUG=None
TEST=Tries all four combinations.
BRANCH=None
Change-Id: Ic6a916f1cae20edccee5d05783ef98a1c48dff2e
Signed-off-by: Vic Yang <victoryang@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/202140
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
/* Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* Raw touch data recording */
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#include "common.h"
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#include "debug.h"
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#include "touch_scan.h"
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#include "util.h"
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#define ENC_COL_COUNT 70
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static uint8_t encoded[ENC_COL_COUNT][ROW_COUNT * 2];
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static int encoded_col;
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void encode_reset(void)
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{
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encoded_col = 0;
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}
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void encode_add_column(const uint8_t *dptr)
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{
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if (encoded_col >= ENC_COL_COUNT)
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return;
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memcpy(encoded[encoded_col], dptr, ROW_COUNT * 2);
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encoded_col++;
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}
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void encode_dump_matrix(void)
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{
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int row, col;
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#ifdef CONFIG_ENCODE_DUMP_PYTHON
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debug_printf("heat_map = [");
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for (row = 0; row < ROW_COUNT * 2; ++row) {
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debug_printf("[");
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for (col = 0; col < encoded_col; ++col) {
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if (encoded[col][row] < THRESHOLD)
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debug_printf("0,");
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else
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debug_printf("%d,", encoded[col][row]);
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}
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debug_printf("],\n");
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}
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debug_printf("]\n");
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#else
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for (row = 0; row < ROW_COUNT * 2; ++row) {
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for (col = 0; col < encoded_col; ++col) {
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if (encoded[col][row] < THRESHOLD)
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debug_printf(" - ");
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else
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debug_printf("%3d ", encoded[col][row]);
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}
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debug_printf("\n");
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}
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#endif
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}
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