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Diffstat (limited to 'firmware/target/arm/as3525/usb-as3525.c')
-rw-r--r--firmware/target/arm/as3525/usb-as3525.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/firmware/target/arm/as3525/usb-as3525.c b/firmware/target/arm/as3525/usb-as3525.c
index 9fcf2cb2f3..a10f8a441a 100644
--- a/firmware/target/arm/as3525/usb-as3525.c
+++ b/firmware/target/arm/as3525/usb-as3525.c
@@ -41,13 +41,17 @@ void usb_enable(bool on)
void usb_init_device(void)
{
+#ifdef USB_DETECT_PIN
GPIOA_DIR &= ~(1 << USB_DETECT_PIN); /* set as input */
+#endif
}
int usb_detect(void)
{
+#ifdef USB_DETECT_PIN
if (GPIOA_PIN( USB_DETECT_PIN ))
return USB_INSERTED;
else
+#endif
return USB_EXTRACTED;
}