diff options
| author | Ha Thach <[email protected]> | 2026-03-12 14:57:29 +0700 |
|---|---|---|
| committer | GitHub <[email protected]> | 2026-03-12 14:57:29 +0700 |
| commit | ac61a5b176b44db503d8bcc287a622463b65e48e (patch) | |
| tree | ffae5c864f88a540b1689763dbd7494b4ad29c8e /examples/device/cdc_msc | |
| parent | f2450788b13f8424b2f75e33240ed21329a875ad (diff) | |
| parent | 9e5345e70228153ab4efff6f6666c4e54471a4aa (diff) | |
Merge pull request #3487 from hathach/zlp-hs-on-fs
fix transfer length when high speed capable device/host working at full speed
Diffstat (limited to 'examples/device/cdc_msc')
| -rw-r--r-- | examples/device/cdc_msc/src/tusb_config.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/examples/device/cdc_msc/src/tusb_config.h b/examples/device/cdc_msc/src/tusb_config.h index 3f2f05f20..f0709d8fb 100644 --- a/examples/device/cdc_msc/src/tusb_config.h +++ b/examples/device/cdc_msc/src/tusb_config.h @@ -103,10 +103,10 @@ #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, more is faster -// Leave it as default size (512 for HS, 64 for FS) unless your host application -// is able to send ZLP (Zero Length Packet) to terminate transfer ! -#define CFG_TUD_CDC_EP_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +// 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) // MSC Buffer size of Device Mass storage #define CFG_TUD_MSC_EP_BUFSIZE 512 |