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Support configure when serial is open.

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This commit is contained in:
jonas
2024-01-25 17:09:05 +08:00
parent 0b31cd2b6c
commit c525507ed8
1 changed files with 2 additions and 1 deletions
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3
components/drivers/serial/serial_v2.c
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@ -1121,7 +1121,8 @@ static rt_err_t rt_serial_control(struct rt_device *dev,
if (args != RT_NULL)
{
struct serial_configure *pconfig = (struct serial_configure *) args;
if (serial->parent.ref_count)
if (((pconfig->rx_bufsz != serial->config.rx_bufsz) || (pconfig->tx_bufsz != serial->config.tx_bufsz))
&& serial->parent.ref_count)
{
/*can not change buffer size*/
return -RT_EBUSY;