diff options
| author | hathach <[email protected]> | 2026-03-12 12:16:57 +0700 |
|---|---|---|
| committer | hathach <[email protected]> | 2026-03-12 12:25:59 +0700 |
| commit | aea4f6046e9a07d5f169de9fcc31bca2b667ea45 (patch) | |
| tree | c40350fb2cd9d4ccaea8b82952aaee818a482b2e /examples/device/printer_to_cdc | |
| parent | 78bbc7dc2e80daba79351bc37e11b13243fd6f8c (diff) | |
refactor(vendor/cdc): add CFG_TUD_CDC_RX_NEED_ZLP and CFG_TUD_VENDOR_RX_NEED_ZLP
Diffstat (limited to 'examples/device/printer_to_cdc')
| -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) |