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-rw-r--r--src/portable/st/stm32f4/dcd_stm32f4.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/portable/st/stm32f4/dcd_stm32f4.c b/src/portable/st/stm32f4/dcd_stm32f4.c
index 3cb502be9..b5d0452b5 100644
--- a/src/portable/st/stm32f4/dcd_stm32f4.c
+++ b/src/portable/st/stm32f4/dcd_stm32f4.c
@@ -160,7 +160,11 @@ void dcd_init (uint8_t rhport)
USB_OTG_GINTMSK_USBSUSPM */;
// Enable pullup, enable peripheral.
+#ifdef USB_OTG_GCCFG_VBDEN
+ USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_VBDEN | USB_OTG_GCCFG_PWRDWN;
+#else
USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_VBUSBSEN | USB_OTG_GCCFG_PWRDWN;
+#endif
}
void dcd_int_enable (uint8_t rhport)