1 /*
2 * Copyright (C) 2017 ALLWINNERTECH TECHNOLOGY CO., LTD. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the
12 * distribution.
13 * 3. Neither the name of ALLWINNERTECH TECHNOLOGY CO., LTD. nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 #ifndef _OS_UTIL_H_
31 #define _OS_UTIL_H_
32
33 #include <string.h>
34 #include <stdlib.h>
35 #include "os_time.h"
36 #include "os_debug.h"
37 //#include "k_api.h"
38 //#include "freertos_to_aos.h"
39
40 //extern volatile uint32_t ulPortInterruptNesting;
41
42 extern volatile uint32_t ulPortInterruptNesting[];
43 //extern uint8_t g_intrpt_nested_level[];
44 //extern int cpu_cur_get(void);
45 /* check if in ISR context or not */
OS_IsISRContext(void)46 static __always_inline int OS_IsISRContext(void)
47 {
48 //return __get_IPSR();
49 // return ulPortInterruptNesting;
50 //return (int)g_intrpt_nested_level[cpu_cur_get()];
51 return ulPortInterruptNesting[cur_cpu_id()];
52 }
53
54
OS_CalcWaitTicks(OS_Time_t msec)55 static __always_inline TickType_t OS_CalcWaitTicks(OS_Time_t msec)
56 {
57 TickType_t tick;
58 if (msec == OS_WAIT_FOREVER) {
59 tick = portMAX_DELAY;
60 } else if (msec != 0) {
61 tick = OS_MSecsToTicks(msec);
62 if (tick == 0)
63 tick = 1;
64 } else {
65 tick = 0;
66 }
67 return tick;
68 }
69
70 /* memory */
71 #define OS_Malloc(l) malloc(l)
72 #define OS_Free(p) free(p)
73 #define OS_Memcpy(d, s, l) memcpy(d, s, l)
74 #define OS_Memset(d, c, l) memset(d, c, l)
75 #define OS_Memcmp(a, b, l) memcmp(a, b, l)
76 #define OS_Memmove(d, s, n) memmove(d, s, n)
77
78
79 #endif /* _OS_UTIL_H_ */
80