From c45a0e66af124ae03906fe5aaa82fe3b3edff2ea Mon Sep 17 00:00:00 2001
From: dataisland <dataisland@outlook.com>
Date: Tue, 14 Dec 2021 17:32:56 +0800
Subject: [PATCH] Add stm32f407 CRC examples

---
 examples/rootfs   |  2 +-
 tests/test_mcu.py | 28 ++++++++++++++++++++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/examples/rootfs b/examples/rootfs
index ceca1d03..24a74337 160000
--- a/examples/rootfs
+++ b/examples/rootfs
@@ -1 +1 @@
-Subproject commit ceca1d03e03032e533a5f3ae7db7cea972211d75
+Subproject commit 24a743372c8115000231e4da0d5a939e84d30129
diff --git a/tests/test_mcu.py b/tests/test_mcu.py
index c3d2f3c8..01e7bec0 100644
--- a/tests/test_mcu.py
+++ b/tests/test_mcu.py
@@ -319,6 +319,34 @@ class MCUTest(unittest.TestCase):
         
         del ql
 
+    def test_mcu_crc_stm32f407(self):
+        ql = Qiling(["../examples/rootfs/mcu/stm32f407/ai-sine-test.elf"],
+            archtype="cortex_m", env=stm32f407, verbose=QL_VERBOSE.DEFAULT)
+
+        ql.hw.create('rcc')
+        ql.hw.create('pwr')
+        ql.hw.create('flash interface')
+        ql.hw.create('gpioa')
+        ql.hw.create('gpiob')
+        ql.hw.create('gpiod')
+        ql.hw.create('spi1')
+        ql.hw.create('crc')
+
+        flag = False
+        def indicator(ql):
+            nonlocal flag
+            ql.log.info('PA7 set')
+            flag = True
+
+        ql.hw.gpioa.hook_set(7, indicator, ql)
+        ql.hw.systick.ratio = 1000
+
+        ql.run(count=600000)
+        self.assertTrue(flag)
+
+        del ql
+
+
 if __name__ == "__main__":
     unittest.main()