openmv/common/trace.c
iabdalkader daf2bb30da misc: Restructure repo.
Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
2025-04-13 08:28:34 +02:00

52 lines
1.6 KiB
C

/*
* SPDX-License-Identifier: MIT
*
* Copyright (C) 2013-2024 OpenMV, LLC.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* Trace buffer.
*/
#include <stdint.h>
#include "cmsis_compiler.h"
#include "trace.h"
#define TRACEBUF_SIZE (256)
typedef struct _tracebuf_t {
uint8_t idx;
uint8_t buf[TRACEBUF_SIZE];
} tracebuf_t;
static tracebuf_t tracebuf;
void trace_init() {
tracebuf.idx = 0;
for (int i = 0; i < TRACEBUF_SIZE; i++) {
tracebuf.buf[i] = 0;
}
}
void trace_insert(uint32_t x) {
__disable_irq();
if (tracebuf.idx < TRACEBUF_SIZE) {
tracebuf.buf[tracebuf.idx++] = x;
}
__enable_irq();
}