diff options
Diffstat (limited to 'examples/device/printer_to_cdc/src')
| -rw-r--r-- | examples/device/printer_to_cdc/src/tusb_config.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/examples/device/printer_to_cdc/src/tusb_config.h b/examples/device/printer_to_cdc/src/tusb_config.h index d12313ce5..74b96c8f6 100644 --- a/examples/device/printer_to_cdc/src/tusb_config.h +++ b/examples/device/printer_to_cdc/src/tusb_config.h @@ -102,7 +102,8 @@ extern "C" { #define CFG_TUD_CDC_RX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) -// CDC Endpoint transfer buffer size +// CDC Endpoint transfer buffer size, default to max bulk packet size (HS 512, FS 64). Larger is faster. +// Larger RX_EPSIZE requires CFG_TUD_CDC_RX_NEED_ZLP = 1 and host ZLP support #define CFG_TUD_CDC_RX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_CDC_TX_EPSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) |