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update serial.c

This commit is contained in:
Meco Man 2021-01-01 17:24:26 +08:00
parent a657c00e72
commit e3fc77f288
1 changed files with 20 additions and 17 deletions
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37
components/drivers/serial/serial.c
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@ -71,21 +71,21 @@ static int serial_fops_open(struct dfs_fd *fd)
switch (fd->flags & O_ACCMODE)
{
case O_RDONLY:
LOG_D("fops open: O_RDONLY!");
flags = RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_RDONLY;
break;
case O_WRONLY:
LOG_D("fops open: O_WRONLY!");
flags = RT_DEVICE_FLAG_WRONLY;
break;
case O_RDWR:
LOG_D("fops open: O_RDWR!");
flags = RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_RDWR;
break;
default:
LOG_E("fops open: unknown mode - %d!", fd->flags & O_ACCMODE);
break;
case O_RDONLY:
LOG_D("fops open: O_RDONLY!");
flags = RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_RDONLY;
break;
case O_WRONLY:
LOG_D("fops open: O_WRONLY!");
flags = RT_DEVICE_FLAG_WRONLY;
break;
case O_RDWR:
LOG_D("fops open: O_RDWR!");
flags = RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_RDWR;
break;
default:
LOG_E("fops open: unknown mode - %d!", fd->flags & O_ACCMODE);
break;
}
if ((fd->flags & O_ACCMODE) != O_WRONLY)
@ -759,14 +759,17 @@ static rt_err_t rt_serial_close(struct rt_device *dev)
#ifdef RT_SERIAL_USING_DMA
else if (dev->open_flag & RT_DEVICE_FLAG_DMA_RX)
{
if (serial->config.bufsz == 0) {
if (serial->config.bufsz == 0)
{
struct rt_serial_rx_dma* rx_dma;
rx_dma = (struct rt_serial_rx_dma*)serial->serial_rx;
RT_ASSERT(rx_dma != RT_NULL);
rt_free(rx_dma);
} else {
}
else
{
struct rt_serial_rx_fifo* rx_fifo;
rx_fifo = (struct rt_serial_rx_fifo*)serial->serial_rx;