[add] bsp/stm32/stm32h747-st-discovery/applications

bsp/stm32/stm32h747-st-discovery/applications/SConscript

+import rtconfig
+from building import *
+
+cwd     = GetCurrentDir()
+CPPPATH = [cwd, str(Dir('#'))]
+src     = Split("""
+main.c
+""")
+
+group = DefineGroup('Applications', src, depend = [''])
+
+Return('group')

bsp/stm32/stm32h747-st-discovery/applications/main.c

+/*
+ * Copyright (c) 2006-2020, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2020-02-24     SummerGift   first version
+ */
+
+#include <rtthread.h>
+#include <rtdevice.h>
+#include <board.h>
+
+/* defined the LED0 pin: PI12 */
+#define LED0_PIN    GET_PIN(I, 12)
+
+int main(void)
+{
+    int count = 1;
+    /* set LED0 pin mode to output */
+    rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
+
+    while (count++)
+    {
+        rt_pin_write(LED0_PIN, PIN_HIGH);
+        rt_thread_mdelay(500);
+        rt_pin_write(LED0_PIN, PIN_LOW);
+        rt_thread_mdelay(500);
+    }
+    return RT_EOK;
+}