feat(demos): add demo for the OSAL (#6182)

Co-authored-by: Gabor Kiss-Vamosi <kisvegabor@gmail.com>
2024-06-01 04:46:13 +02:00
parent 4ab68c5dc1
commit 70ed004ef3
12 changed files with 311 additions and 11 deletions
--- a/examples/porting/osal/lv_example_osal.c
+++ b/examples/porting/osal/lv_example_osal.c
@@ -0,0 +1,95 @@
+/**
+ * @file lv_example_osal.c
+ *
+ */
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "../../lv_examples.h"
+
+#if LV_BUILD_EXAMPLES
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+static void counter_button_event_cb(lv_event_t * e);
+static void increment_thread_entry(void * user_data);
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+static lv_thread_sync_t press_sync;
+static lv_thread_t increment_thread;
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+void lv_example_osal(void)
+{
+    lv_obj_t * counter_button;
+
+    counter_button = lv_button_create(lv_screen_active());
+    lv_obj_align(counter_button, LV_ALIGN_CENTER, 0, -15);
+    lv_obj_add_event_cb(counter_button, counter_button_event_cb, LV_EVENT_CLICKED, NULL);
+
+    if(lv_thread_sync_init(&press_sync) != LV_RESULT_OK) {
+        LV_LOG_ERROR("Error initializing thread sync");
+    }
+
+    if(lv_thread_init(&increment_thread, LV_THREAD_PRIO_MID, increment_thread_entry, 2048, NULL) != LV_RESULT_OK) {
+        LV_LOG_ERROR("Error initializing thread");
+    }
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+
+static void counter_button_event_cb(lv_event_t * e)
+{
+    LV_UNUSED(e);
+    if(lv_thread_sync_signal(&press_sync) != LV_RESULT_OK) {
+        LV_LOG_ERROR("Error signaling thread sync");
+    }
+}
+
+static void increment_thread_entry(void * user_data)
+{
+    LV_UNUSED(user_data);
+    lv_obj_t * counter_label;
+    uint32_t press_count = 0;
+
+    lv_lock();
+    counter_label = lv_label_create(lv_scr_act());
+    lv_obj_align(counter_label, LV_ALIGN_CENTER, 0, 0);
+    lv_label_set_text_fmt(counter_label, "Pressed %u times", press_count);
+    lv_unlock();
+
+    while(true) {
+        if(lv_thread_sync_wait(&press_sync) != LV_RESULT_OK) {
+            LV_LOG_ERROR("Error awaiting thread sync");
+        }
+        press_count += 1;
+
+        lv_lock();
+        lv_label_set_text_fmt(counter_label, "Pressed %u times", press_count);
+        lv_unlock();
+    }
+}
+
+
+#endif