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-rw-r--r--src/class/cdc/cdc_device.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/class/cdc/cdc_device.h b/src/class/cdc/cdc_device.h
index 6f21af4f3..8b5761747 100644
--- a/src/class/cdc/cdc_device.h
+++ b/src/class/cdc/cdc_device.h
@@ -36,6 +36,14 @@
#define CFG_TUD_CDC_NOTIFY 0
#endif
+#ifndef CFG_TUD_CDC_TX_BUFSIZE
+ #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64)
+#endif
+
+#ifndef CFG_TUD_CDC_RX_BUFSIZE
+ #define CFG_TUD_CDC_RX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64)
+#endif
+
#if !defined(CFG_TUD_CDC_EP_BUFSIZE) && defined(CFG_TUD_CDC_EPSIZE)
#warning CFG_TUD_CDC_EPSIZE is renamed to CFG_TUD_CDC_EP_BUFSIZE, please update to use the new name
#define CFG_TUD_CDC_EP_BUFSIZE CFG_TUD_CDC_EPSIZE