libs/rt-thread-official
libs/rt-thread-official
4
0
Fork 0
mirror of https://github.com/RT-Thread/rt-thread.git synced 2025-01-18 11:43:34 +08:00
Code Issues Releases Wiki Activity

Merge pull request #4860 from KyleChenjh/serial

Browse Source 
[serial_v2] Serial_v2 support device ops feature
This commit is contained in:
Bernard Xiong 2021-07-13 09:05:09 +08:00 committed by GitHub
commit 10308a645b
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 80 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

80
components/drivers/serial/serial_v2.c
View File

@ -19,6 +19,7 @@
#ifdef RT_USING_POSIX
#include <dfs_posix.h>
#include <dfs_poll.h>
#include <sys/ioctl.h>
#ifdef getc
#undef getc
@ -609,7 +610,10 @@ static rt_err_t rt_serial_tx_enable(struct rt_device *dev,
return -RT_EINVAL;
}
#ifndef RT_USING_DEVICE_OPS
dev->write = _serial_poll_tx;
#endif
dev->open_flag |= RT_SERIAL_TX_BLOCKING;
return RT_EOK;
}
@ -637,7 +641,10 @@ static rt_err_t rt_serial_tx_enable(struct rt_device *dev,
tx_fifo->buffer,
serial->config.tx_bufsz);
serial->serial_tx = tx_fifo;
#ifndef RT_USING_DEVICE_OPS
dev->write = _serial_fifo_tx_blocking_buf;
#endif
}
else
{
@ -648,7 +655,11 @@ static rt_err_t rt_serial_tx_enable(struct rt_device *dev,
RT_ASSERT(tx_fifo != RT_NULL);
serial->serial_tx = tx_fifo;
#ifndef RT_USING_DEVICE_OPS
dev->write = _serial_fifo_tx_blocking_nbuf;
#endif
/* Call the control() API to configure the serial device by RT_SERIAL_TX_BLOCKING*/
serial->ops->control(serial,
RT_DEVICE_CTRL_CONFIG,
@ -676,7 +687,10 @@ static rt_err_t rt_serial_tx_enable(struct rt_device *dev,
serial->config.tx_bufsz);
serial->serial_tx = tx_fifo;
#ifndef RT_USING_DEVICE_OPS
dev->write = _serial_fifo_tx_nonblocking;
#endif
dev->open_flag |= RT_SERIAL_TX_NON_BLOCKING;
/* Call the control() API to configure the serial device by RT_SERIAL_TX_NON_BLOCKING*/
serial->ops->control(serial,
@ -712,7 +726,10 @@ static rt_err_t rt_serial_rx_enable(struct rt_device *dev,
return -RT_EINVAL;
}
#ifndef RT_USING_DEVICE_OPS
dev->read = _serial_poll_rx;
#endif
dev->open_flag |= RT_SERIAL_RX_BLOCKING;
return RT_EOK;
}
@ -727,7 +744,10 @@ static rt_err_t rt_serial_rx_enable(struct rt_device *dev,
rt_ringbuffer_init(&(rx_fifo->rb), rx_fifo->buffer, serial->config.rx_bufsz);
serial->serial_rx = rx_fifo;
#ifndef RT_USING_DEVICE_OPS
dev->read = _serial_fifo_rx;
#endif
if (rx_oflag == RT_SERIAL_RX_NON_BLOCKING)
{
@ -766,7 +786,10 @@ static rt_err_t rt_serial_rx_disable(struct rt_device *dev,
RT_ASSERT(dev != RT_NULL);
serial = (struct rt_serial_device *)dev;
#ifndef RT_USING_DEVICE_OPS
dev->read = RT_NULL;
#endif
if (serial->serial_rx == RT_NULL) return RT_EOK;
do
@ -809,7 +832,10 @@ static rt_err_t rt_serial_tx_disable(struct rt_device *dev,
RT_ASSERT(dev != RT_NULL);
serial = (struct rt_serial_device *)dev;
#ifndef RT_USING_DEVICE_OPS
dev->write = RT_NULL;
#endif
if (serial->serial_tx == RT_NULL) return RT_EOK;
tx_fifo = (struct rt_serial_tx_fifo *)serial->serial_tx;
@ -1006,6 +1032,60 @@ static rt_err_t rt_serial_control(struct rt_device *dev,
}
#ifdef RT_USING_DEVICE_OPS
static rt_size_t rt_serial_read(struct rt_device *dev,
rt_off_t pos,
void *buffer,
rt_size_t size)
{
struct rt_serial_device *serial;
RT_ASSERT(dev != RT_NULL);
if (size == 0) return 0;
serial = (struct rt_serial_device *)dev;
if (serial->config.rx_bufsz)
{
return _serial_fifo_rx(dev, pos, buffer, size);
}
return _serial_poll_rx(dev, pos, buffer, size);
}
static rt_size_t rt_serial_write(struct rt_device *dev,
rt_off_t pos,
const void *buffer,
rt_size_t size)
{
struct rt_serial_device *serial;
struct rt_serial_tx_fifo *tx_fifo;
RT_ASSERT(dev != RT_NULL);
if (size == 0) return 0;
serial = (struct rt_serial_device *)dev;
RT_ASSERT((serial != RT_NULL) && (buffer != RT_NULL));
tx_fifo = (struct rt_serial_tx_fifo *) serial->serial_tx;
if (serial->config.tx_bufsz == 0)
{
return _serial_poll_tx(dev, pos, buffer, size);
}
if (dev->open_flag | RT_SERIAL_TX_BLOCKING)
{
if ((tx_fifo->rb.buffer_ptr) == RT_NULL)
{
return _serial_fifo_tx_blocking_nbuf(dev, pos, buffer, size);
}
return _serial_fifo_tx_blocking_buf(dev, pos, buffer, size);
}
return _serial_fifo_tx_nonblocking(dev, pos, buffer, size);
}
const static struct rt_device_ops serial_ops =
{
rt_serial_init,