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Diffstat (limited to 'docs/reference/configuration.rst')
| -rw-r--r-- | docs/reference/configuration.rst | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/docs/reference/configuration.rst b/docs/reference/configuration.rst index 8d6dd6190..79aeb15d8 100644 --- a/docs/reference/configuration.rst +++ b/docs/reference/configuration.rst @@ -106,6 +106,11 @@ Device Classes #define CFG_TUD_VENDOR 1 // Number of vendor interfaces #define CFG_TUD_VENDOR_EPSIZE 64 // Vendor endpoint size + #define CFG_TUD_VENDOR_RX_BUFSIZE 64 // RX buffer size (0 = no buffering) + #define CFG_TUD_VENDOR_TX_BUFSIZE 64 // TX buffer size (0 = no buffering) + +.. note:: + Unlike other classes, vendor class supports setting buffer sizes to 0 to disable internal buffering. When disabled, data goes directly to ``tud_vendor_rx_cb()`` and the ``tud_vendor_read()``/``tud_vendor_write()`` functions are not available - applications must handle data directly in callbacks. Host Stack Configuration ======================== |