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update stdio_usb CDC constants to the defaults used by TinyUSB, and allow the user to override them #2246

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Merged
merged 1 commit into from
Feb 7, 2025
Merged

update stdio_usb CDC constants to the defaults used by TinyUSB, and allow the user to override them #2246

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15 changes: 13 additions & 2 deletions src/rp2_common/pico_stdio_usb/include/tusb_config.h
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Original file line number Diff line number Diff line change
Expand Up @@ -33,8 +33,19 @@
#define CFG_TUSB_RHPORT0_MODE (OPT_MODE_DEVICE)

#define CFG_TUD_CDC (1)
#define CFG_TUD_CDC_RX_BUFSIZE (256)
#define CFG_TUD_CDC_TX_BUFSIZE (256)

// CDC FIFO size of TX and RX
#ifndef CFG_TUD_CDC_RX_BUFSIZE
#define CFG_TUD_CDC_RX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64)
#endif
#ifndef CFG_TUD_CDC_TX_BUFSIZE
#define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64)
#endif

// CDC Endpoint transfer buffer size, more is faster
#ifndef CFG_TUD_CDC_EP_BUFSIZE
#define CFG_TUD_CDC_EP_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64)
#endif

// We use a vendor specific interface but with our own driver
// Vendor driver only used for Microsoft OS 2.0 descriptor
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