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/**
* @file lv_rtthread.c
*
*/
/*********************
* INCLUDES
*********************/
#include "lv_os.h"
#if LV_USE_OS == LV_OS_RTTHREAD
#include "../misc/lv_log.h"
/*********************
* DEFINES
*********************/
#define THREAD_TIMESLICE 20U
/**********************
* 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)
{
thread->thread = rt_thread_create("thread",
callback,
user_data,
stack_size,
prio,
THREAD_TIMESLICE);
rt_err_t ret = rt_thread_startup(thread->thread);
if(ret) {
LV_LOG_WARN("Error: %d", ret);
return LV_RESULT_INVALID;
}
else {
return LV_RESULT_OK;
}
}
lv_result_t lv_thread_delete(lv_thread_t * thread)
{
rt_err_t ret = rt_thread_delete(thread->thread);
if(ret) {
LV_LOG_WARN("Error: %d", ret);
return LV_RESULT_INVALID;
}
else {
return LV_RESULT_OK;
}
}
lv_result_t lv_mutex_init(lv_mutex_t * mutex)
{
mutex->mutex = rt_mutex_create("mutex", RT_IPC_FLAG_PRIO);
if(mutex->mutex == RT_NULL) {
LV_LOG_WARN("create mutex failed");
return LV_RESULT_INVALID;
}
else {
return LV_RESULT_OK;
}
}
lv_result_t lv_mutex_lock(lv_mutex_t * mutex)
{
rt_err_t ret = rt_mutex_take(mutex->mutex, RT_WAITING_FOREVER);
if(ret) {
LV_LOG_WARN("Error: %d", ret);
return LV_RESULT_INVALID;
}
else {
return LV_RESULT_OK;
}
}
lv_result_t lv_mutex_lock_isr(lv_mutex_t * mutex)
{
rt_err_t ret = rt_mutex_take(mutex->mutex, RT_WAITING_FOREVER);
if(ret) {
LV_LOG_WARN("Error: %d", ret);
return LV_RESULT_INVALID;
}
else {
return LV_RESULT_OK;
}
}
lv_result_t lv_mutex_unlock(lv_mutex_t * mutex)
{
rt_err_t ret = rt_mutex_release(mutex->mutex);
if(ret) {
LV_LOG_WARN("Error: %d", ret);
return LV_RESULT_INVALID;
}
else {
return LV_RESULT_OK;
}
}
lv_result_t lv_mutex_delete(lv_mutex_t * mutex)
{
rt_err_t ret = rt_mutex_delete(mutex->mutex);
if(ret) {
LV_LOG_WARN("Error: %d", ret);
return LV_RESULT_INVALID;
}
else {
return LV_RESULT_OK;
}
}
lv_result_t lv_thread_sync_init(lv_thread_sync_t * sync)
{
sync->sem = rt_sem_create("sem", 0, RT_IPC_FLAG_PRIO);
if(sync->sem == RT_NULL) {
LV_LOG_WARN("create semaphore failed");
return LV_RESULT_INVALID;
}
else {
return LV_RESULT_OK;
}
}
lv_result_t lv_thread_sync_wait(lv_thread_sync_t * sync)
{
rt_err_t ret = rt_sem_take(sync->sem, RT_WAITING_FOREVER);
if(ret) {
LV_LOG_WARN("Error: %d", ret);
return LV_RESULT_INVALID;
}
else {
return LV_RESULT_OK;
}
}
lv_result_t lv_thread_sync_signal(lv_thread_sync_t * sync)
{
rt_err_t ret = rt_sem_release(sync->sem);
if(ret) {
LV_LOG_WARN("Error: %d", ret);
return LV_RESULT_INVALID;
}
else {
return LV_RESULT_OK;
}
}
lv_result_t lv_thread_sync_delete(lv_thread_sync_t * sync)
{
rt_err_t ret = rt_sem_delete(sync->sem);
if(ret) {
LV_LOG_WARN("Error: %d", ret);
return LV_RESULT_INVALID;
}
else {
return LV_RESULT_OK;
}
}
lv_result_t lv_thread_sync_signal_isr(lv_thread_sync_t * sync)
{
LV_UNUSED(sync);
return LV_RESULT_INVALID;
}
/**********************
* STATIC FUNCTIONS
**********************/
#endif /*LV_USE_OS == LV_OS_RTTHREAD*/
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