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stm32: Perform usbotg endpoint init during usb_set_configure() 

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2019-08-30 10:03:17 -04:00
parent 917fd51057
commit 7eba063ac8
1 changed files with 26 additions and 26 deletions
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52
src/stm32/usbotg.c
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@ -254,6 +254,31 @@ usb_set_address(uint_fast8_t addr)
void void
usb_set_configure(void) usb_set_configure(void)
{ {
// Configure and enable endpoints
USB_OTG_INEndpointTypeDef *epi = EPIN(USB_CDC_EP_ACM);
epi->DIEPTSIZ = (USB_CDC_EP_ACM_SIZE
| (1 << USB_OTG_DIEPTSIZ_PKTCNT_Pos));
epi->DIEPCTL = (
USB_OTG_DIEPCTL_SNAK | USB_OTG_DIEPCTL_USBAEP
| (0x03 << USB_OTG_DIEPCTL_EPTYP_Pos) | USB_OTG_DIEPCTL_SD0PID_SEVNFRM
| (USB_CDC_EP_ACM << USB_OTG_DIEPCTL_TXFNUM_Pos)
| (USB_CDC_EP_ACM_SIZE << USB_OTG_DIEPCTL_MPSIZ_Pos));
USB_OTG_OUTEndpointTypeDef *epo = EPOUT(USB_CDC_EP_BULK_OUT);
epo->DOEPTSIZ = 64 | (1 << USB_OTG_DOEPTSIZ_PKTCNT_Pos);
epo->DOEPCTL = (
USB_OTG_DOEPCTL_CNAK | USB_OTG_DOEPCTL_USBAEP | USB_OTG_DOEPCTL_EPENA
| (0x02 << USB_OTG_DOEPCTL_EPTYP_Pos) | USB_OTG_DOEPCTL_SD0PID_SEVNFRM
| (USB_CDC_EP_BULK_OUT_SIZE << USB_OTG_DOEPCTL_MPSIZ_Pos));
epi = EPIN(USB_CDC_EP_BULK_IN);
epi->DIEPTSIZ = (USB_CDC_EP_BULK_IN_SIZE
| (1 << USB_OTG_DIEPTSIZ_PKTCNT_Pos));
epi->DIEPCTL = (
USB_OTG_DIEPCTL_SNAK | USB_OTG_DIEPCTL_USBAEP
| (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_SIZE << USB_OTG_DIEPCTL_MPSIZ_Pos));
} }
void void
@ -280,7 +305,7 @@ usb_reset(void)
while (OTG->GRSTCTL & USB_OTG_GRSTCTL_TXFFLSH) while (OTG->GRSTCTL & USB_OTG_GRSTCTL_TXFFLSH)
; ;
// Configure and enable endpoints // Configure and enable ep0
uint32_t mpsize_ep0 = 2; uint32_t mpsize_ep0 = 2;
USB_OTG_INEndpointTypeDef *epi = EPIN(0); USB_OTG_INEndpointTypeDef *epi = EPIN(0);
USB_OTG_OUTEndpointTypeDef *epo = EPOUT(0); USB_OTG_OUTEndpointTypeDef *epo = EPOUT(0);
@ -288,31 +313,6 @@ usb_reset(void)
epo->DOEPTSIZ = (64 | (1 << USB_OTG_DOEPTSIZ_STUPCNT_Pos) epo->DOEPTSIZ = (64 | (1 << USB_OTG_DOEPTSIZ_STUPCNT_Pos)
| (1 << USB_OTG_DOEPTSIZ_PKTCNT_Pos)); | (1 << USB_OTG_DOEPTSIZ_PKTCNT_Pos));
epo->DOEPCTL = mpsize_ep0 | USB_OTG_DOEPCTL_EPENA | USB_OTG_DOEPCTL_CNAK; epo->DOEPCTL = mpsize_ep0 | USB_OTG_DOEPCTL_EPENA | USB_OTG_DOEPCTL_CNAK;
epi = EPIN(USB_CDC_EP_ACM);
epi->DIEPTSIZ = (USB_CDC_EP_ACM_SIZE
| (1 << USB_OTG_DIEPTSIZ_PKTCNT_Pos));
epi->DIEPCTL = (
USB_OTG_DIEPCTL_SNAK | USB_OTG_DIEPCTL_USBAEP
| (0x03 << USB_OTG_DIEPCTL_EPTYP_Pos) | USB_OTG_DIEPCTL_SD0PID_SEVNFRM
| (USB_CDC_EP_ACM << USB_OTG_DIEPCTL_TXFNUM_Pos)
| (USB_CDC_EP_ACM_SIZE << USB_OTG_DIEPCTL_MPSIZ_Pos));
epo = EPOUT(USB_CDC_EP_BULK_OUT);
epo->DOEPTSIZ = 64 | (1 << USB_OTG_DOEPTSIZ_PKTCNT_Pos);
epo->DOEPCTL = (
USB_OTG_DOEPCTL_CNAK | USB_OTG_DOEPCTL_USBAEP | USB_OTG_DOEPCTL_EPENA
| (0x02 << USB_OTG_DOEPCTL_EPTYP_Pos) | USB_OTG_DOEPCTL_SD0PID_SEVNFRM
| (USB_CDC_EP_BULK_OUT_SIZE << USB_OTG_DOEPCTL_MPSIZ_Pos));
epi = EPIN(USB_CDC_EP_BULK_IN);
epi->DIEPTSIZ = (USB_CDC_EP_BULK_IN_SIZE
| (1 << USB_OTG_DIEPTSIZ_PKTCNT_Pos));
epi->DIEPCTL = (
USB_OTG_DIEPCTL_SNAK | USB_OTG_DIEPCTL_USBAEP
| (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_SIZE << USB_OTG_DIEPCTL_MPSIZ_Pos));
} }
// Handle a USB disconnect // Handle a USB disconnect