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/**
* @file lv_cmsis_rtos2.c
*
*/
/*
* Copyright (C) 2023 Arm Limited or its affiliates. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*/
/*********************
* INCLUDES
*********************/
#include "lv_os.h"
#if LV_USE_OS == LV_OS_CMSIS_RTOS2
#include "../misc/lv_log.h"
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/**********************
* STATIC PROTOTYPES
**********************/
/**********************
* STATIC VARIABLES
**********************/
/**********************
* MACROS
**********************/
/**********************
* GLOBAL FUNCTIONS
**********************/
lv_result_t lv_thread_init(lv_thread_t * thread, lv_thread_prio_t prio, void (*callback)(void *), size_t stack_size,
void * user_data)
{
static const osPriority_t prio_map[] = {
[LV_THREAD_PRIO_LOWEST] = osPriorityLow,
[LV_THREAD_PRIO_LOW] = osPriorityBelowNormal,
[LV_THREAD_PRIO_MID] = osPriorityNormal,
[LV_THREAD_PRIO_HIGH] = osPriorityHigh,
[LV_THREAD_PRIO_HIGHEST] = osPriorityRealtime7,
};
osThreadAttr_t c_tThreadAttribute = {
.stack_size = stack_size,
.priority = prio_map[prio],
};
*thread = osThreadNew(callback, user_data, &c_tThreadAttribute);
if(NULL == *thread) {
LV_LOG_WARN("Error: Failed to create a cmsis-rtos2 thread.");
return LV_RESULT_INVALID;
}
return LV_RESULT_OK;
}
lv_result_t lv_thread_delete(lv_thread_t * thread)
{
osThreadDetach(*thread);
osStatus_t status = osThreadTerminate(*thread);
if(status == osOK) {
return LV_RESULT_OK;
}
return LV_RESULT_INVALID;
}
lv_result_t lv_mutex_init(lv_mutex_t * mutex)
{
const osMutexAttr_t Thread_Mutex_attr = {
"LVGLMutex",
osMutexRecursive | osMutexPrioInherit | osMutexRobust,
};
*mutex = osMutexNew(&Thread_Mutex_attr);
if(*mutex == NULL) {
LV_LOG_WARN("Error: failed to create cmsis-rtos mutex");
return LV_RESULT_INVALID;
}
return LV_RESULT_OK;
}
lv_result_t lv_mutex_lock(lv_mutex_t * mutex)
{
osStatus_t status = osMutexAcquire(*mutex, 0U);
if(status != osOK) {
LV_LOG_WARN("Error: failed to lock cmsis-rtos2 mutex %d", (int)status);
return LV_RESULT_INVALID;
}
return LV_RESULT_OK;
}
lv_result_t lv_mutex_lock_isr(lv_mutex_t * mutex)
{
osStatus_t status = osMutexAcquire(*mutex, 0U);
if(status != osOK) {
LV_LOG_WARN("Error: failed to lock cmsis-rtos2 mutex in an ISR %d", (int)status);
return LV_RESULT_INVALID;
}
return LV_RESULT_OK;
}
lv_result_t lv_mutex_unlock(lv_mutex_t * mutex)
{
osStatus_t status = osMutexRelease(*mutex);
if(status != osOK) {
LV_LOG_WARN("Error: failed to release cmsis-rtos2 mutex %d", (int)status);
return LV_RESULT_INVALID;
}
return LV_RESULT_OK;
}
lv_result_t lv_mutex_delete(lv_mutex_t * mutex)
{
osStatus_t status = osMutexDelete(*mutex);
if(status != osOK) {
LV_LOG_WARN("Error: failed to delete cmsis-rtos2 mutex %d", (int)status);
return LV_RESULT_INVALID;
}
return LV_RESULT_OK;
}
lv_result_t lv_thread_sync_init(lv_thread_sync_t * sync)
{
*sync = osEventFlagsNew(NULL);
if(NULL == *sync) {
LV_LOG_WARN("Error: failed to create a cmsis-rtos2 EventFlag");
return LV_RESULT_INVALID;
}
return LV_RESULT_OK;
}
lv_result_t lv_thread_sync_wait(lv_thread_sync_t * sync)
{
uint32_t ret = osEventFlagsWait(*sync, 0x01, osFlagsWaitAny, osWaitForever);
if(ret & (1 << 31)) {
LV_LOG_WARN("Error: failed to wait a cmsis-rtos2 EventFlag %d", ret);
return LV_RESULT_INVALID;
}
return LV_RESULT_OK;
}
lv_result_t lv_thread_sync_signal(lv_thread_sync_t * sync)
{
uint32_t ret = osEventFlagsSet(*sync, 0x01);
if(ret & (1 << 31)) {
LV_LOG_WARN("Error: failed to set a cmsis-rtos2 EventFlag %d", ret);
return LV_RESULT_INVALID;
}
return LV_RESULT_OK;
}
lv_result_t lv_thread_sync_signal_isr(lv_thread_sync_t * sync)
{
return lv_thread_sync_signal(sync);
}
lv_result_t lv_thread_sync_delete(lv_thread_sync_t * sync)
{
osStatus_t status = osEventFlagsDelete(*sync);
if(status != osOK) {
LV_LOG_WARN("Error: failed to delete a cmsis-rtos2 EventFlag %d", (int)status);
return LV_RESULT_INVALID;
}
return LV_RESULT_OK;
}
/**********************
* STATIC FUNCTIONS
**********************/
#endif /*LV_USE_OS == LV_OS_CMSIS_RTOS2*/
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