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stm32h7: Implement dcd_edpt_open. cdc_msc_hid demo functional.

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This commit is contained in:
William D. Jones
2019-09-03 00:37:50 -04:00
parent d4302dacc5
commit 28b131ea94
1 changed files with 53 additions and 2 deletions
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53
src/portable/st/stm32h7/dcd_stm32h7.c
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@@ -217,11 +217,62 @@ void dcd_remote_wakeup(uint8_t rhport)
bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt) bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt)
{ {
(void) rhport; (void) rhport;
(void) desc_edpt; USB_OTG_DeviceTypeDef * dev = DEVICE_BASE;
USB_OTG_OUTEndpointTypeDef * out_ep = OUT_EP_BASE;
USB_OTG_INEndpointTypeDef * in_ep = IN_EP_BASE;
uint8_t const epnum = tu_edpt_number(desc_edpt->bEndpointAddress);
uint8_t const dir = tu_edpt_dir(desc_edpt->bEndpointAddress);
// Unsupported endpoint numbers/size.
if((desc_edpt->wMaxPacketSize.size > 64) || (epnum > 7)) {
return false; return false;
} }
xfer_ctl_t * xfer = XFER_CTL_BASE(epnum, dir);
xfer->max_size = desc_edpt->wMaxPacketSize.size;
if(dir == TUSB_DIR_OUT) {
out_ep[epnum].DOEPCTL |= (1 << USB_OTG_DOEPCTL_USBAEP_Pos) | \
desc_edpt->bmAttributes.xfer << USB_OTG_DOEPCTL_EPTYP_Pos | \
desc_edpt->wMaxPacketSize.size << USB_OTG_DOEPCTL_MPSIZ_Pos;
dev->DAINTMSK |= (1 << (USB_OTG_DAINTMSK_OEPM_Pos + epnum));
} else {
// Peripheral FIFO architecture (Rev6 RM 56.11.1)
//
// --------------- 1024 ( 4096 bytes )
// | IN FIFO 7 |
// ---------------
// | ... |
// --------------- y + x + 16 + GRXFSIZ
// | IN FIFO 2 |
// --------------- x + 16 + GRXFSIZ
// | IN FIFO 1 |
// --------------- 16 + GRXFSIZ
// | IN FIFO 0 |
// --------------- GRXFSIZ
// | OUT FIFO |
// | ( Shared ) |
// --------------- 0
//
// Since OUT FIFO = 50, FIFO 0 = 16, average of FIFOx = (1024-50-16) / 7 = 136 ~ 130
in_ep[epnum].DIEPCTL |= (1 << USB_OTG_DIEPCTL_USBAEP_Pos) | \
(epnum - 1) << USB_OTG_DIEPCTL_TXFNUM_Pos | \
desc_edpt->bmAttributes.xfer << USB_OTG_DIEPCTL_EPTYP_Pos | \
(desc_edpt->bmAttributes.xfer != TUSB_XFER_ISOCHRONOUS ? USB_OTG_DOEPCTL_SD0PID_SEVNFRM : 0) | \
desc_edpt->wMaxPacketSize.size << USB_OTG_DIEPCTL_MPSIZ_Pos;
dev->DAINTMSK |= (1 << (USB_OTG_DAINTMSK_IEPM_Pos + epnum));
// Both TXFD and TXSA are in unit of 32-bit words
uint16_t const fifo_size = 130;
uint32_t const fifo_offset = (USB_OTG_FS->GRXFSIZ & 0x0000ffff) + 16 + fifo_size*(epnum-1);
USB_OTG_FS->DIEPTXF[epnum - 1] = (130 << USB_OTG_DIEPTXF_INEPTXFD_Pos) | fifo_offset;
}
return true;
}
bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes) bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes)
{ {
(void) rhport; (void) rhport;