149 lines
2.3 KiB
C
149 lines
2.3 KiB
C
/*
|
|
* Copyright (c) 2018 Intel Corporation
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <kernel.h>
|
|
#include <cmsis_os2.h>
|
|
|
|
extern uint32_t z_tick_get_32(void);
|
|
|
|
/**
|
|
* @brief Get RTOS Kernel Information.
|
|
*/
|
|
osStatus_t osKernelGetInfo(osVersion_t *version, char *id_buf, uint32_t id_size)
|
|
{
|
|
uint32_t ver = sys_kernel_version_get();
|
|
|
|
if (version != NULL) {
|
|
version->api = ver;
|
|
version->kernel = ver;
|
|
}
|
|
|
|
if ((id_buf != NULL) && (version != NULL)) {
|
|
snprintf(id_buf, id_size,
|
|
"Zephyr V%2"PRIu32".%2"PRIu32".%2"PRIu32,
|
|
SYS_KERNEL_VER_MAJOR(version->kernel),
|
|
SYS_KERNEL_VER_MINOR(version->kernel),
|
|
SYS_KERNEL_VER_PATCHLEVEL(version->kernel));
|
|
}
|
|
|
|
return osOK;
|
|
}
|
|
|
|
/**
|
|
* @brief Lock the RTOS Kernel scheduler.
|
|
*/
|
|
int32_t osKernelLock(void)
|
|
{
|
|
int temp = _current->base.sched_locked;
|
|
|
|
if (k_is_in_isr()) {
|
|
return osErrorISR;
|
|
}
|
|
|
|
k_sched_lock();
|
|
|
|
return temp;
|
|
}
|
|
|
|
/**
|
|
* @brief Unlock the RTOS Kernel scheduler.
|
|
*/
|
|
int32_t osKernelUnlock(void)
|
|
{
|
|
int temp = _current->base.sched_locked;
|
|
|
|
if (k_is_in_isr()) {
|
|
return osErrorISR;
|
|
}
|
|
|
|
k_sched_unlock();
|
|
|
|
return temp;
|
|
}
|
|
|
|
/**
|
|
* @brief Restore the RTOS Kernel scheduler lock state.
|
|
*/
|
|
int32_t osKernelRestoreLock(int32_t lock)
|
|
{
|
|
_current->base.sched_locked = lock;
|
|
|
|
if (k_is_in_isr()) {
|
|
return osErrorISR;
|
|
}
|
|
|
|
if (lock < 0) {
|
|
return 1; /* locked */
|
|
} else {
|
|
return 0; /* not locked */
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Get the RTOS kernel tick count.
|
|
*/
|
|
uint32_t osKernelGetTickCount(void)
|
|
{
|
|
return z_tick_get_32();
|
|
}
|
|
|
|
/**
|
|
* @brief Get the RTOS kernel tick frequency.
|
|
*/
|
|
uint32_t osKernelGetTickFreq(void)
|
|
{
|
|
return CONFIG_SYS_CLOCK_TICKS_PER_SEC;
|
|
}
|
|
|
|
/**
|
|
* @brief Get the RTOS kernel system timer count.
|
|
*/
|
|
uint32_t osKernelGetSysTimerCount(void)
|
|
{
|
|
return k_cycle_get_32();
|
|
}
|
|
|
|
/**
|
|
* @brief Get the RTOS kernel system timer frequency.
|
|
*/
|
|
uint32_t osKernelGetSysTimerFreq(void)
|
|
{
|
|
return sys_clock_hw_cycles_per_sec();
|
|
}
|
|
|
|
/**
|
|
* @brief Wait for Timeout (Time Delay).
|
|
*/
|
|
osStatus_t osDelay(uint32_t ticks)
|
|
{
|
|
if (k_is_in_isr()) {
|
|
return osErrorISR;
|
|
}
|
|
|
|
k_sleep(K_TICKS(ticks));
|
|
|
|
return osOK;
|
|
}
|
|
|
|
/**
|
|
* @brief Wait until specified time.
|
|
*/
|
|
osStatus_t osDelayUntil(uint32_t ticks)
|
|
{
|
|
uint32_t ticks_elapsed;
|
|
|
|
if (k_is_in_isr()) {
|
|
return osErrorISR;
|
|
}
|
|
|
|
ticks_elapsed = osKernelGetTickCount();
|
|
k_sleep(K_TICKS(ticks - ticks_elapsed));
|
|
|
|
return osOK;
|
|
}
|