init project

Signed-off-by: a1012112796 <1012112796@qq.com>

applications/SConscript

@@ -0,0 +1,12 @@
+import rtconfig
+from building import *
+
+cwd     = GetCurrentDir()
+CPPPATH = [cwd, str(Dir('#'))]
+src     = Split("""
+main.c
+""")
+
+group = DefineGroup('Applications', src, depend = [''], CPPPATH = CPPPATH)
+
+Return('group')

applications/main.c

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2018-11-06     SummerGift   first version
+ */
+
+#include <rtthread.h>
+#include <rtdevice.h>
+#include <board.h>
+
+/* defined the LED1 pin: PB0 */
+#define LED1_PIN    GET_PIN(C, 13)
+/* defined the LED2 pin: PB7 */
+#define LED2_PIN    GET_PIN(B, 7)
+/* defined the LED3 pin: PB14 */
+#define LED3_PIN    GET_PIN(B, 14)
+/* defined the USER KEY pin: PC13 */
+#define KEY_PIN    GET_PIN(C, 13)
+
+int main(void)
+{
+    /* set LED1 pin mode to output */
+    rt_pin_mode(LED1_PIN, PIN_MODE_OUTPUT);
+
+    while (1)
+    {
+        rt_pin_write(LED1_PIN, PIN_HIGH);
+        rt_thread_mdelay(500);
+        rt_pin_write(LED1_PIN, PIN_LOW);
+        rt_thread_mdelay(500);
+    }
+}