circuitpython/atmel-samd/asf/common/utils/osprintf/osprintf.c

104 lines
2.7 KiB
C

/**
*
* \file
*
* \brief
*
* Copyright (c) 2015 Atmel Corporation. All rights reserved.
*
* \asf_license_start
*
* \page License
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The name of Atmel may not be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 4. This software may only be redistributed and used in connection with an
* Atmel microcontroller product.
*
* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* \asf_license_stop
*
*/
#include "asf.h"
#include <stdio.h>
#include <stdarg.h>
#include "FreeRTOS.h"
#include "osprintf.h"
xSemaphoreHandle trace_lock;
void osprintf_init(void *usart, const void *opt)
{
trace_lock = xSemaphoreCreateMutex();
stdio_serial_init(usart, opt);
}
void osprintf(const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
xSemaphoreTake(trace_lock, portMAX_DELAY);
vprintf(fmt, args);
xSemaphoreGive(trace_lock);
va_end(args);
}
void osprint(const char *s)
{
xSemaphoreTake(trace_lock, portMAX_DELAY);
puts(s);
xSemaphoreGive(trace_lock);
}
void osprint_hex_array(uint8_t *p, int sz)
{
xSemaphoreTake(trace_lock, portMAX_DELAY);
while (sz) {
if (sz < 8) {
while (sz--) {
printf("%02x ", *p);
p++;
}
break;
}
printf("%02x %02x %02x %02x %02x %02x %02x %02x\n",
p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
p += 8;
sz -= 8;
}
printf("\n");
xSemaphoreGive(trace_lock);
}
void osprint_sem_take(void)
{
xSemaphoreTake(trace_lock, portMAX_DELAY);
}
void osprint_sem_give(void)
{
xSemaphoreGive(trace_lock);
}