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authorPeter Lawrence <[email protected]>2020-03-15 18:32:02 -0500
committerPeter Lawrence <[email protected]>2020-03-15 18:32:02 -0500
commitaafddfe637cf2dadf82075b59b18aad6a722caaa (patch)
tree1414abf28d2fb685ab317148fe3e5ee8991fec5f /src/class/cdc
parente7efcb6fd57b689d25a3b42d01c14ffe39e76500 (diff)
following suggestion by @kasjer
Diffstat (limited to 'src/class/cdc')
-rw-r--r--src/class/cdc/cdc_device.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/class/cdc/cdc_device.c b/src/class/cdc/cdc_device.c
index 73eafab07..51c69423e 100644
--- a/src/class/cdc/cdc_device.c
+++ b/src/class/cdc/cdc_device.c
@@ -413,7 +413,7 @@ bool cdcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_
// Though maybe the baudrate is not really important !!!
if ( ep_addr == p_cdc->ep_in )
{
- if ( xferred_bytes && (0 == (xferred_bytes % CFG_TUD_CDC_EPSIZE)) ) usbd_edpt_xfer(TUD_OPT_RHPORT, p_cdc->ep_in, NULL, 0);
+ if ( xferred_bytes && (0 == (xferred_bytes % CFG_TUD_CDC_EPSIZE)) && (0 == p_cdc->tx_ff.count) ) usbd_edpt_xfer(TUD_OPT_RHPORT, p_cdc->ep_in, NULL, 0);
}
// nothing to do with notif endpoint for now