add missing file

Author: xwings

examples/mcu/stm32f4_hello_gpio.py

@@ -0,0 +1,23 @@
+import sys
+sys.path.append("../..")
+
+from qiling.core import Qiling
+from qiling.const import QL_VERBOSE
+
+
+def test_mcu_gpio_stm32f411():
+    ql = Qiling(["../../examples/rootfs/mcu/stm32f411/hello_gpioA.hex"],                    
+                archtype="cortex_m", profile="stm32f411", verbose=QL_VERBOSE.DEBUG)
+
+    ql.hw.create('usart2')
+    ql.hw.create('rcc')
+    ql.hw.create('gpioa')
+    
+
+    ql.hw.gpioa.hook_set(5, lambda: print('LED light up'))
+    ql.hw.gpioa.hook_reset(5, lambda: print('LED light off'))
+
+    ql.run(count=10000)
+
+if __name__ == "__main__":
+    test_mcu_gpio_stm32f411()