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Add single buffer mode option to USB CDC to fix off-by-one corruption #2435

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Jul 15, 2024
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Add single buffer mode option to USB CDC to fix off-by-one corruption #2435

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4 changes: 4 additions & 0 deletions libraries/USBDevice/src/usbd_ep_conf.c
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,11 @@ const ep_desc_t ep_def[] = {
#else
{0x00, PMA_EP0_OUT_ADDR, PCD_SNG_BUF},
{0x80, PMA_EP0_IN_ADDR, PCD_SNG_BUF},
#ifndef USBD_CDC_USE_SINGLE_BUFFER
{CDC_OUT_EP, PMA_CDC_OUT_ADDR, PCD_DBL_BUF},
#else
{CDC_OUT_EP, PMA_CDC_OUT_ADDR, PCD_SNG_BUF},
#endif
{CDC_IN_EP, PMA_CDC_IN_ADDR, PCD_SNG_BUF},
{CDC_CMD_EP, PMA_CDC_CMD_ADDR, PCD_SNG_BUF}
#endif
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