diff options
Diffstat (limited to 'libmaple/usb/usb_callbacks.c')
| -rw-r--r-- | libmaple/usb/usb_callbacks.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libmaple/usb/usb_callbacks.c b/libmaple/usb/usb_callbacks.c index 4cdaf73..c30d650 100644 --- a/libmaple/usb/usb_callbacks.c +++ b/libmaple/usb/usb_callbacks.c @@ -132,8 +132,12 @@ void vcomDataRxCb(void) { } maxNewBytes -= newBytes; - SetEPRxCount(VCOM_RX_ENDP,maxNewBytes); - SetEPRxValid(VCOM_RX_ENDP); + + if (maxNewBytes > VCOM_RX_EPSIZE) { + SetEPRxCount(VCOM_RX_ENDP,0); + SetEPRxStatus(VCOM_RX_ENDP,EP_RX_NAK); /* nak until we clear the buffer */ + } + } void vcomManagementCb(void) { |