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Avoid USBCDC send_nb break the continuation use case

pull/15473/head
cyliang tw 2023-12-13 13:53:27 +08:00
parent c30af6a7df
commit 126d767a59
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/source/USBCDC.cpp
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@ -391,7 +391,7 @@ void USBCDC::send_nb(uint8_t *buffer, uint32_t size, uint32_t *actual, bool now)
uint32_t free = sizeof(_tx_buffer) - _tx_size;
uint32_t write_size = free > size ? size : free;
if (size > 0) {
memcpy(_tx_buf, buffer, write_size);
memcpy(_tx_buf + _tx_size, buffer, write_size);
}
_tx_size += write_size;
*actual = write_size;