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Ekko.bao
2025-07-03 23:58:20 +08:00
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5
application/samples/peripheral/systick/CMakeLists.txt Executable file
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#===============================================================================
# @brief cmake file
# Copyright (c) HiSilicon (Shanghai) Technologies Co., Ltd. 2023-2023. All rights reserved.
#===============================================================================
set(SOURCES "${SOURCES}" "${CMAKE_CURRENT_SOURCE_DIR}/systick_demo.c" PARENT_SCOPE)

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application/samples/peripheral/systick/systick.code-workspace Executable file
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{
"folders": [
{
"path": "../../../../"
}
],
"settings": {
"debug.onTaskErrors": "debugAnyway",
"workspace.samplePath": "./samples/peripheral/systick"
}
}

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application/samples/peripheral/systick/systick_demo.c Executable file
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/**
* Copyright (c) HiSilicon (Shanghai) Technologies Co., Ltd. 2023-2023. All rights reserved.
*
* Description: SYSTICK Sample Source. \n
*
* History: \n
* 2023-07-17, Create file. \n
*/
#include "pinctrl.h"
#include "systick.h"
#include "common_def.h"
#include "soc_osal.h"
#include "app_init.h"
#define SYSTICK_DELAY_S 2
#define SYSTICK_DELAY_MS 1000
#define SYSTICK_DELAY_US 20000
#define SYSTICK_TASK_DURATION_MS 500
#define SYSTICK_TASK_PRIO 24
#define SYSTICK_TASK_STACK_SIZE 0x1000
static void *systick_task(const char *arg)
{
unused(arg);
uint64_t count_before_get_s;
uint64_t count_after_get_s;
uint64_t count_before_get_ms;
uint64_t count_after_get_ms;
uint64_t count_before_get_us;
uint64_t count_after_get_us;
/* SYSTICK init. */
uapi_systick_init();
while (1) {
osal_msleep(SYSTICK_TASK_DURATION_MS);
osal_printk("systick delay %ds!\r\n", SYSTICK_DELAY_S);
count_before_get_s = uapi_systick_get_s();
uapi_systick_delay_s(SYSTICK_DELAY_S);
count_after_get_s = uapi_systick_get_s();
osal_printk("count_after_get_s = %llu, count_before_get_s = %llu\r\n", count_after_get_s, count_before_get_s);
osal_printk("count_s = %llu\r\n", count_after_get_s - count_before_get_s);
if (count_after_get_s > count_before_get_s) {
osal_printk("systick get s work normall.\r\n");
}
osal_printk("systick delay %dms!\r\n", SYSTICK_DELAY_MS);
count_before_get_ms = uapi_systick_get_ms();
uapi_systick_delay_ms(SYSTICK_DELAY_MS);
count_after_get_ms = uapi_systick_get_ms();
osal_printk("count_after_get_ms = %llu, count_before_get_ms = %llu\r\n", count_after_get_ms,
count_before_get_ms);
osal_printk("count_ms = %llu\r\n", count_after_get_ms - count_before_get_ms);
if (count_after_get_ms > count_before_get_ms) {
osal_printk("systick get ms work normall.\r\n");
}
osal_printk("systick delay %dus!\r\n", SYSTICK_DELAY_US);
count_before_get_us = uapi_systick_get_us();
uapi_systick_delay_us(SYSTICK_DELAY_US);
count_after_get_us = uapi_systick_get_us();
osal_printk("count_after_get_us = %llu, count_before_get_us = %llu\r\n", count_after_get_us,
count_before_get_us);
osal_printk("count_us = %llu\r\n", count_after_get_us - count_before_get_us);
if (count_after_get_us > count_before_get_us) {
osal_printk("systick get us work normall.\r\n");
}
}
return NULL;
}
static void systick_entry(void)
{
osal_task *task_handle = NULL;
osal_kthread_lock();
task_handle = osal_kthread_create((osal_kthread_handler)systick_task, 0, "SystickTask", SYSTICK_TASK_STACK_SIZE);
if (task_handle != NULL) {
osal_kthread_set_priority(task_handle, SYSTICK_TASK_PRIO);
osal_kfree(task_handle);
}
osal_kthread_unlock();
}
/* Run the systick_entry. */
app_run(systick_entry);