Separate byte-oriented interrupt handling logic

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@950 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 0 insertions, 81 deletions

diff --git a/nuttx/drivers/serial.c b/nuttx/drivers/serial.c
index eb71f0c2c..20be5abb6 100644
--- a/nuttx/drivers/serial.c
+++ b/nuttx/drivers/serial.c
@@ -478,84 +478,3 @@ int uart_register(FAR const char *path, FAR uart_dev_t *dev)
   dbg("Registering %s\n", path);
   return register_driver(path, &g_serialops, 0666, dev);
 }
-
-/************************************************************************************
- * Name: uart_xmitchars
- *
- * Description:
- *   This function is called from the UART interrupt handler when an interrupt
- *   is received indicating that there is more space in the transmit FIFO.  This
- *   function will send characters from the tail of the xmit buffer while the driver
- *   write() logic adds data to the head of the xmit buffer.
- *
- ************************************************************************************/
-
-void uart_xmitchars(FAR uart_dev_t *dev)
-{
-  /* Send while we still have data & room in the fifo */
-
-  while (dev->xmit.head != dev->xmit.tail && uart_txready(dev))
-    {
-      uart_send(dev, dev->xmit.buffer[dev->xmit.tail]);
-
-      if (++(dev->xmit.tail) >= dev->xmit.size)
-        {
-          dev->xmit.tail = 0;
-        }
-
-      if (dev->xmitwaiting)
-        {
-          dev->xmitwaiting = FALSE;
-          uart_givesem(&dev->xmitsem);
-        }
-    }
-
-  /* When all of the characters have been sent from the buffer
-   * disable the TX interrupt.
-   */
-
-  if (dev->xmit.head == dev->xmit.tail)
-    {
-      uart_disabletxint(dev);
-    }
-}
-
-/************************************************************************************
- * Name: uart_receivechars
- *
- * Description:
- *   This function is called from the UART interrupt handler when an interrupt
- *   is received indicating that are bytes available in the receive fifo.  This
- *   function will add chars to head of receive buffer.  Driver read() logic will take
- *   characters from the tail of the buffer.
- *
- ************************************************************************************/
-
-void uart_recvchars(FAR uart_dev_t *dev)
-{
-  unsigned int status;
-  int nexthead = dev->recv.head + 1;
-
-  if (nexthead >= dev->recv.size)
-    {
-      nexthead = 0;
-    }
-
-  while (nexthead != dev->recv.tail && uart_rxavailable(dev))
-    {
-      dev->recv.buffer[dev->recv.head] = uart_receive(dev, &status);
-
-      dev->recv.head = nexthead;
-      if (++nexthead >= dev->recv.size)
-        {
-           nexthead = 0;
-        }
-
-      if (dev->recvwaiting)
-        {
-          dev->recvwaiting = FALSE;
-          uart_givesem(&dev->recvsem);
-        }
-    }
-}
-