1 /**************************************************************************//**
2 *
3 * @copyright (C) 2019 Nuvoton Technology Corp. All rights reserved.
4 *
5 * SPDX-License-Identifier: Apache-2.0
6 *
7 * Change Logs:
8 * Date Author Notes
9 * 2022-10-5 Wayne First version
10 *
11 ******************************************************************************/
12
13 #include <rtthread.h>
14
15 #if defined(BSP_USING_HWSEM)
16
17 #include "drv_common.h"
18 #include "drv_hwsem.h"
19
20 #define DEF_COUNTER_ADDR_RTP (3*1024*1024)
21 #define DEF_COUNTER_ADDR_A35 ((0x80000000+DEF_COUNTER_ADDR_RTP)|UNCACHEABLE)
22
23 #if defined(USE_MA35D1_SUBM)
24 #define DEF_COUNTER_ADDR DEF_COUNTER_ADDR_RTP
25 #else
26 #define DEF_COUNTER_ADDR DEF_COUNTER_ADDR_A35
27 #endif
28
hwsem_counter_go(void * parameter)29 static void hwsem_counter_go(void *parameter)
30 {
31 rt_err_t ret;
32 rt_device_t psNuHwSem = (rt_device_t)parameter;
33 uint32_t *pu32Counter = (uint32_t *)DEF_COUNTER_ADDR;
34
35 nu_mutex_t psNuMutex = nu_mutex_init(psNuHwSem, evHWSEM0);
36 if (psNuMutex == RT_NULL)
37 return;
38
39 *pu32Counter = 0;
40 while (1)
41 {
42 ret = nu_mutex_take(psNuMutex, RT_WAITING_FOREVER);
43 if (ret != RT_EOK)
44 continue;
45
46 if (*pu32Counter >= 10)
47 {
48 nu_mutex_release(psNuMutex);
49 break;
50 }
51 else
52 *pu32Counter = *pu32Counter + 1;
53
54 #ifdef RT_USING_SMP
55 rt_kprintf("[%08x@CPU-%d] ->Inc %d@%08x\n", rt_thread_self(), rt_hw_cpu_id(), *pu32Counter, DEF_COUNTER_ADDR);
56 #else
57 rt_kprintf("[%08x]-> Inc %d@%08x\n", rt_thread_self(), *pu32Counter, DEF_COUNTER_ADDR);
58 #endif /* RT_USING_SMP */
59
60 nu_mutex_release(psNuMutex);
61
62 /* Relax, fair to get the mutex. */
63 rt_thread_mdelay(500);
64 }
65
66 nu_mutex_deinit(psNuHwSem, evHWSEM0);
67 }
68
hwsem_counter_app(void)69 static int hwsem_counter_app(void)
70 {
71 rt_err_t result = 0;
72 rt_thread_t thread;
73 rt_device_t psNuHwSem = rt_device_find("hwsem0");
74 if (psNuHwSem == RT_NULL)
75 return -1;
76
77 thread = rt_thread_create("hwsa35", hwsem_counter_go, (void *)psNuHwSem, 2048, 25, 20);
78 if (thread != RT_NULL)
79 {
80 #ifdef RT_USING_SMP
81 rt_thread_control(thread, RT_THREAD_CTRL_BIND_CPU, (void *)0);
82 #endif
83 result = rt_thread_startup(thread);
84 RT_ASSERT(result == RT_EOK);
85 }
86
87 return 0;
88 }
89 INIT_APP_EXPORT(hwsem_counter_app);
90 MSH_CMD_EXPORT(hwsem_counter_app, demo hwsem);
91
92 #endif /* #if defined(BSP_USING_HWSEM)*/
93
94