LVGL 库提交

2026-08-30 08:57:07 +08:00
parent 0b59118ddd
commit bc07701ed5
1056 changed files with 556743 additions and 45 deletions
@@ -0,0 +1,194 @@
+/**
+ * @file lv_pthread.c
+ *
+ */
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "lv_os.h"
+
+#if LV_USE_OS == LV_OS_PTHREAD
+
+#include "../misc/lv_log.h"
+
+#ifndef __linux__
+    #include "../misc/lv_timer.h"
+#endif
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+static void * generic_callback(void * user_data);
+
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+lv_result_t lv_thread_init(lv_thread_t * thread, const char * const name,
+                           lv_thread_prio_t prio, void (*callback)(void *),
+                           size_t stack_size, void * user_data)
+{
+    LV_UNUSED(name);
+    LV_UNUSED(prio);
+    pthread_attr_t attr;
+    pthread_attr_init(&attr);
+    pthread_attr_setstacksize(&attr, stack_size);
+    thread->callback = callback;
+    thread->user_data = user_data;
+    pthread_create(&thread->thread, &attr, generic_callback, thread);
+    pthread_attr_destroy(&attr);
+    return LV_RESULT_OK;
+}
+
+lv_result_t lv_thread_delete(lv_thread_t * thread)
+{
+    int ret = pthread_join(thread->thread, NULL);
+    if(ret != 0) {
+        LV_LOG_WARN("Error: %d", ret);
+        return LV_RESULT_INVALID;
+    }
+
+    return LV_RESULT_OK;
+}
+
+lv_result_t lv_mutex_init(lv_mutex_t * mutex)
+{
+    pthread_mutexattr_t attr;
+
+    pthread_mutexattr_init(&attr);
+    pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
+    int ret = pthread_mutex_init(mutex, &attr);
+    pthread_mutexattr_destroy(&attr);
+
+    if(ret) {
+        LV_LOG_WARN("Error: %d", ret);
+        return LV_RESULT_INVALID;
+    }
+    else {
+        return LV_RESULT_OK;
+    }
+}
+
+lv_result_t lv_mutex_lock(lv_mutex_t * mutex)
+{
+    int ret = pthread_mutex_lock(mutex);
+    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)
+{
+    int ret = pthread_mutex_lock(mutex);
+    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)
+{
+    int ret = pthread_mutex_unlock(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)
+{
+    pthread_mutex_destroy(mutex);
+    return LV_RESULT_OK;
+}
+
+lv_result_t lv_thread_sync_init(lv_thread_sync_t * sync)
+{
+    pthread_mutex_init(&sync->mutex, 0);
+    pthread_cond_init(&sync->cond, 0);
+    sync->v = false;
+    return LV_RESULT_OK;
+}
+
+lv_result_t lv_thread_sync_wait(lv_thread_sync_t * sync)
+{
+    pthread_mutex_lock(&sync->mutex);
+    while(!sync->v) {
+        pthread_cond_wait(&sync->cond, &sync->mutex);
+    }
+    sync->v = false;
+    pthread_mutex_unlock(&sync->mutex);
+    return LV_RESULT_OK;
+}
+
+lv_result_t lv_thread_sync_signal(lv_thread_sync_t * sync)
+{
+    pthread_mutex_lock(&sync->mutex);
+    sync->v = true;
+    pthread_cond_signal(&sync->cond);
+    pthread_mutex_unlock(&sync->mutex);
+
+    return LV_RESULT_OK;
+}
+
+lv_result_t lv_thread_sync_delete(lv_thread_sync_t * sync)
+{
+    pthread_mutex_destroy(&sync->mutex);
+    pthread_cond_destroy(&sync->cond);
+    return LV_RESULT_OK;
+}
+
+lv_result_t lv_thread_sync_signal_isr(lv_thread_sync_t * sync)
+{
+    LV_UNUSED(sync);
+    return LV_RESULT_INVALID;
+}
+
+#ifndef __linux__
+uint32_t lv_os_get_idle_percent(void)
+{
+    return lv_timer_get_idle();
+}
+#endif
+
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+
+static void * generic_callback(void * user_data)
+{
+    lv_thread_t * thread = user_data;
+    thread->callback(thread->user_data);
+    return NULL;
+}
+
+
+#endif /*LV_USE_OS == LV_OS_PTHREAD*/