3diy
/
klipper
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

stm32: No need to clear the usbotg address on reset 

The controller automatically clears the address.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2019-08-30 01:03:28 -04:00
parent 7229680227
commit 5e3acff8c7
1 changed files with 2 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/stm32/usbotg.c
View File

@ -245,7 +245,8 @@ usb_stall_ep0(void)
void void
usb_set_address(uint_fast8_t addr) usb_set_address(uint_fast8_t addr)
{ {
OTGD->DCFG |= addr << USB_OTG_DCFG_DAD_Pos; OTGD->DCFG = ((OTGD->DCFG & ~USB_OTG_DCFG_DAD_Msk)
| (addr << USB_OTG_DCFG_DAD_Pos));
usb_send_ep0(NULL, 0); usb_send_ep0(NULL, 0);
usb_notify_ep0(); usb_notify_ep0();
} }
@ -312,9 +313,6 @@ usb_reset(void)
| (0x02 << USB_OTG_DIEPCTL_EPTYP_Pos) | USB_OTG_DIEPCTL_SD0PID_SEVNFRM | (0x02 << USB_OTG_DIEPCTL_EPTYP_Pos) | USB_OTG_DIEPCTL_SD0PID_SEVNFRM
| (USB_CDC_EP_BULK_IN << USB_OTG_DIEPCTL_TXFNUM_Pos) | (USB_CDC_EP_BULK_IN << USB_OTG_DIEPCTL_TXFNUM_Pos)
| (USB_CDC_EP_BULK_IN_SIZE << USB_OTG_DIEPCTL_MPSIZ_Pos)); | (USB_CDC_EP_BULK_IN_SIZE << USB_OTG_DIEPCTL_MPSIZ_Pos));
// Set address to zero
OTGD->DCFG &= ~USB_OTG_DCFG_DAD;
} }
// Handle a USB disconnect // Handle a USB disconnect