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TXFE is read only bit

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hathach 2020-04-27 12:06:14 +07:00
parent d0487088ac
commit e785b09118
1 changed files with 2 additions and 1 deletions
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src/portable/st/synopsys/dcd_synopsys.c
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@ -679,7 +679,8 @@ static void handle_epin_ints(USB_OTG_DeviceTypeDef * dev, USB_OTG_INEndpointType
// XFER FIFO empty // XFER FIFO empty
if ( in_ep[n].DIEPINT & USB_OTG_DIEPINT_TXFE ) if ( in_ep[n].DIEPINT & USB_OTG_DIEPINT_TXFE )
{ {
in_ep[n].DIEPINT = USB_OTG_DIEPINT_TXFE; // DIEPINT's TXFE bit is read-only -> no need to clear
transmit_packet(xfer, &in_ep[n], n); transmit_packet(xfer, &in_ep[n], n);
// Turn off TXFE if all bytes are written. // Turn off TXFE if all bytes are written.