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- /**************************************************************************//**
- *
- * @copyright (C) 2019 Nuvoton Technology Corp. All rights reserved.
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date Author Notes
- * 2022-10-5 Wayne First version
- *
- ******************************************************************************/
- #include <rtthread.h>
- #if defined(BSP_USING_HWSEM)
- #include "drv_common.h"
- #include "drv_hwsem.h"
- #define DEF_COUNTER_ADDR_RTP (3*1024*1024)
- #define DEF_COUNTER_ADDR_A35 ((0x80000000+DEF_COUNTER_ADDR_RTP)|UNCACHEABLE)
- #if defined(USE_MA35D1_SUBM)
- #define DEF_COUNTER_ADDR DEF_COUNTER_ADDR_RTP
- #else
- #define DEF_COUNTER_ADDR DEF_COUNTER_ADDR_A35
- #endif
- static void hwsem_counter_go(void *parameter)
- {
- rt_err_t ret;
- rt_device_t psNuHwSem = (rt_device_t)parameter;
- uint32_t *pu32Counter = (uint32_t *)DEF_COUNTER_ADDR;
- nu_mutex_t psNuMutex = nu_mutex_init(psNuHwSem, evHWSEM0);
- if (psNuMutex == RT_NULL)
- return;
- *pu32Counter = 0;
- while (1)
- {
- ret = nu_mutex_take(psNuMutex, RT_WAITING_FOREVER);
- if (ret != RT_EOK)
- continue;
- if (*pu32Counter >= 10)
- {
- nu_mutex_release(psNuMutex);
- break;
- }
- else
- *pu32Counter = *pu32Counter + 1;
- #ifdef RT_USING_SMP
- rt_kprintf("[%08x@CPU-%d] ->Inc %d@%08x\n", rt_thread_self(), rt_hw_cpu_id(), *pu32Counter, DEF_COUNTER_ADDR);
- #else
- rt_kprintf("[%08x]-> Inc %d@%08x\n", rt_thread_self(), *pu32Counter, DEF_COUNTER_ADDR);
- #endif /* RT_USING_SMP */
- nu_mutex_release(psNuMutex);
- /* Relax, fair to get the mutex. */
- rt_thread_mdelay(500);
- }
- nu_mutex_deinit(psNuHwSem, evHWSEM0);
- }
- static int hwsem_counter_app(void)
- {
- rt_err_t result = 0;
- rt_thread_t thread;
- rt_device_t psNuHwSem = rt_device_find("hwsem0");
- if (psNuHwSem == RT_NULL)
- return -1;
- thread = rt_thread_create("hwsa35", hwsem_counter_go, (void *)psNuHwSem, 2048, 25, 20);
- if (thread != RT_NULL)
- {
- #ifdef RT_USING_SMP
- rt_thread_control(thread, RT_THREAD_CTRL_BIND_CPU, (void *)0);
- #endif
- result = rt_thread_startup(thread);
- RT_ASSERT(result == RT_EOK);
- }
- return 0;
- }
- INIT_APP_EXPORT(hwsem_counter_app);
- MSH_CMD_EXPORT(hwsem_counter_app, demo hwsem);
- #endif /* #if defined(BSP_USING_HWSEM)*/
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