diff options
Diffstat (limited to 'src/stm32')
| -rw-r--r-- | src/stm32/usbotg.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/stm32/usbotg.c b/src/stm32/usbotg.c index b61c99ca..74829256 100644 --- a/src/stm32/usbotg.c +++ b/src/stm32/usbotg.c @@ -397,11 +397,11 @@ OTG_FS_IRQHandler(void) } if (sts & USB_OTG_GINTSTS_IEPINT) { // Can transmit data - disable irq and notify endpoint - uint32_t daint = OTGD->DAINT; - OTGD->DAINTMSK &= ~daint; - if (daint & (1 << 0)) + uint32_t daint = OTGD->DAINT, msk = OTGD->DAINTMSK, pend = daint & msk; + OTGD->DAINTMSK = msk & ~daint; + if (pend & (1 << 0)) usb_notify_ep0(); - if (daint & (1 << USB_CDC_EP_BULK_IN)) + if (pend & (1 << USB_CDC_EP_BULK_IN)) usb_notify_bulk_in(); } } |