1 files changed, 189 insertions, 0 deletions
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/littlevgl/wasm-apps/src/main.c b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/littlevgl/wasm-apps/src/main.c
new file mode 100644
index 000000000..8676d41b5
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/littlevgl/wasm-apps/src/main.c
@@ -0,0 +1,189 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+/**
+ * @file main
+ *
+ */
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include <stdlib.h>
+//#include <unistd.h>
+#include <inttypes.h>
+#include "lvgl/lvgl.h"
+#include "display_indev.h"
+#include "wasm_app.h"
+#include "wa-inc/timer_wasm_app.h"
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+static void
+hal_init(void);
+// static int tick_thread(void * data);
+// static void memory_monitor(void * param);
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+uint32_t count = 0;
+char count_str[11] = { 0 };
+lv_obj_t *hello_world_label;
+lv_obj_t *count_label;
+lv_obj_t *btn1;
+
+lv_obj_t *label_count1;
+int label_count1_value = 0;
+char label_count1_str[11] = { 0 };
+
+void
+timer1_update(user_timer_t timer1)
+{
+    if ((count % 100) == 0) {
+        snprintf(count_str, sizeof(count_str), "%d", count / 100);
+        lv_label_set_text(count_label, count_str);
+    }
+    lv_task_handler();
+    ++count;
+}
+
+static lv_res_t
+btn_rel_action(lv_obj_t *btn)
+{
+    label_count1_value++;
+    snprintf(label_count1_str, sizeof(label_count1_str), "%d",
+             label_count1_value);
+    lv_label_set_text(label_count1, label_count1_str);
+    return LV_RES_OK;
+}
+
+void
+on_init()
+{
+    /* Initialize LittlevGL */
+    lv_init();
+
+    /* Initialize the HAL (display, input devices, tick) for LittlevGL */
+    hal_init();
+
+    hello_world_label = lv_label_create(lv_scr_act(), NULL);
+    lv_label_set_text(hello_world_label, "Hello world!");
+    lv_obj_align(hello_world_label, NULL, LV_ALIGN_IN_TOP_LEFT, 0, 0);
+
+    count_label = lv_label_create(lv_scr_act(), NULL);
+    lv_obj_align(count_label, NULL, LV_ALIGN_IN_TOP_MID, 0, 0);
+
+    btn1 = lv_btn_create(
+        lv_scr_act(),
+        NULL); /* Create a button on the currently loaded screen */
+    lv_btn_set_action(btn1, LV_BTN_ACTION_CLICK,
+                      btn_rel_action); /* Set function to be called when the
+                                          button is released */
+    lv_obj_align(btn1, NULL, LV_ALIGN_CENTER, 0,
+                 20); /* Align below the label */
+
+    /* Create a label on the button */
+    lv_obj_t *btn_label = lv_label_create(btn1, NULL);
+    lv_label_set_text(btn_label, "Click ++");
+
+    label_count1 = lv_label_create(lv_scr_act(), NULL);
+    lv_label_set_text(label_count1, "0");
+    lv_obj_align(label_count1, NULL, LV_ALIGN_IN_BOTTOM_MID, 0, 0);
+
+    /* set up a timer */
+    user_timer_t timer;
+    timer = api_timer_create(10, true, false, timer1_update);
+    if (timer)
+        api_timer_restart(timer, 10);
+    else
+        printf("Fail to create timer.\n");
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+
+/**
+ * Initialize the Hardware Abstraction Layer (HAL) for the Littlev graphics
+ * library
+ */
+void
+display_flush_wrapper(int32_t x1, int32_t y1, int32_t x2, int32_t y2,
+                      const lv_color_t *color_p)
+{
+    display_flush(x1, y1, x2, y2, color_p);
+    lv_flush_ready();
+}
+
+void
+display_vdb_write_wrapper(uint8_t *buf, lv_coord_t buf_w, lv_coord_t x,
+                          lv_coord_t y, lv_color_t color, lv_opa_t opa)
+{
+    display_vdb_write(buf, buf_w, x, y, &color, opa);
+}
+
+void
+display_fill_wrapper(int32_t x1, int32_t y1, int32_t x2, int32_t y2,
+                     lv_color_t color)
+{
+    display_fill(x1, y1, x2, y2, &color);
+}
+
+static void
+hal_init(void)
+{
+    /* Add a display */
+    lv_disp_drv_t disp_drv;
+    lv_disp_drv_init(&disp_drv); /* Basic initialization */
+    disp_drv.disp_flush =
+        display_flush_wrapper; /* Used when `LV_VDB_SIZE != 0` in lv_conf.h
+                                  (buffered drawing) */
+    disp_drv.disp_fill =
+        display_fill_wrapper; /* Used when `LV_VDB_SIZE == 0` in lv_conf.h
+                                 (unbuffered drawing) */
+    disp_drv.disp_map = display_map; /* Used when `LV_VDB_SIZE == 0` in
+                                        lv_conf.h (unbuffered drawing) */
+#if LV_VDB_SIZE != 0
+    disp_drv.vdb_wr = display_vdb_write_wrapper;
+#endif
+    lv_disp_drv_register(&disp_drv);
+
+    /* Add the mouse as input device
+     * Use the 'mouse' driver which reads the PC's mouse */
+    // mouse_init();
+    lv_indev_drv_t indev_drv;
+    lv_indev_drv_init(&indev_drv); /* Basic initialization */
+    indev_drv.type = LV_INDEV_TYPE_POINTER;
+    indev_drv.read =
+        display_input_read; /* This function will be called periodically (by the
+                               library) to get the mouse position and state */
+    lv_indev_t *mouse_indev = lv_indev_drv_register(&indev_drv);
+}
+
+/* Implement empry main function as wasi start function calls it */
+int
+main(int argc, char **argv)
+{
+    (void)argc;
+    (void)argv;
+    return 0;
+}