From 657d3e2983558831cd5525b2c5aa3bef27f9468b Mon Sep 17 00:00:00 2001
From: "William D. Jones" <thor0505@comcast.net>
Date: Sun, 13 Jan 2019 17:34:09 -0500
Subject: stm32f4: Enable USB peripheral, fix typos in register writes.

---
 src/portable/stm/stm32f4/dcd_stm32f4.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/portable/stm/stm32f4/dcd_stm32f4.c b/src/portable/stm/stm32f4/dcd_stm32f4.c
index b87ff6597..e6849085f 100644
--- a/src/portable/stm/stm32f4/dcd_stm32f4.c
+++ b/src/portable/stm/stm32f4/dcd_stm32f4.c
@@ -78,7 +78,9 @@ bool dcd_init (uint8_t rhport)
   USB_OTG_FS->GINTMSK |= USB_OTG_GINTMSK_USBRST | USB_OTG_GINTMSK_ENUMDNEM | \
     USB_OTG_GINTMSK_ESUSPM | USB_OTG_GINTMSK_USBSUSPM | \
     USB_OTG_GINTMSK_SOFM;
-  USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_VBUSBSEN; // Enable pullup.
+
+  // Enable pullup, enable peripheral.
+  USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_VBUSBSEN | USB_OTG_GCCFG_PWRDWN;
 
   return true;
 }
-- 
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