1 files changed, 6 insertions, 0 deletions
diff --git a/src/hc32f460/main.c b/src/hc32f460/main.c
index a641667f..0dc3ebc5 100644
--- a/src/hc32f460/main.c
+++ b/src/hc32f460/main.c
@@ -7,6 +7,7 @@
 #include "autoconf.h" // CONFIG_MACH_AVR
 #include "sched.h"
 #include "system_hc32f460.h"
+#include "hc32f460_gpio.h"
 
 
 /****************************************************************
@@ -20,6 +21,11 @@ armcm_main(void)
     // sets the system clock speed variable for library use
     SystemInit();
 
+    // disable JTAG/SWD on pins PA13, PA14, PA15, PB3, PB4
+    // SWD still works until the relevant pins are reconfigured. Proprietary
+    // flash program (XHSC ISP) must be used to reflash afterwards.
+    PORT_DebugPortSetting(ALL_DBG_PIN, Disable);
+
     // manage the system
     sched_main();