2 /*
3 Copyright (c) 2016, Texas Instruments Incorporated - http://www.ti.com/
4 All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *
13 * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the
16 * distribution.
17 *
18 * Neither the name of Texas Instruments Incorporated nor the names of
19 * its contributors may be used to endorse or promote products derived
20 * from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
26 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
28 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 *
34 */
36 /******************************************************************************
37 *
38 * File Name: osal.c
39 *
40 * Description: This file contains OSAL functions
41 * This file facilitates using platform_lib without using platforms_utils_test.c
42 * No need to include this file when platforms_utils_test.c is part of the
43 * project
44 *
45 ******************************************************************************/
47 #include <cerrno>
48 #include <stdio.h>
49 #include <stdlib.h>
50 #include <string.h>
51 #include "platform.h"
52 #include "resource_mgr.h"
54 /* OSAL functions for Platform Library */
55 uint8_t *Osal_platformMalloc (uint32_t num_bytes, uint32_t alignment)
56 {
57 return malloc(num_bytes);
58 }
60 void Osal_platformFree (uint8_t *dataPtr, uint32_t num_bytes)
61 {
62 /* Free up the memory */
63 if (dataPtr)
64 {
65 free(dataPtr);
66 }
67 }
69 void Osal_platformSpiCsEnter(void)
70 {
71 /* Get the hardware semaphore.
72 *
73 * Acquire Multi core CPPI synchronization lock
74 */
75 while ((CSL_semAcquireDirect (PLATFORM_SPI_HW_SEM)) == 0);
77 return;
78 }
80 void Osal_platformSpiCsExit (void)
81 {
82 /* Release the hardware semaphore
83 *
84 * Release multi-core lock.
85 */
86 CSL_semReleaseSemaphore (PLATFORM_SPI_HW_SEM);
88 return;
89 }