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termios: Update due to API changes

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Termios notifies now the driver about an inactive transmit with the
length argument set to zero.
This commit is contained in:
Sebastian Huber
2013-06-24 17:29:11 +02:00
parent 1df348b960
commit e18db9f0cf
28 changed files with 254 additions and 270 deletions
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23
c/src/lib/libcpu/m68k/mcf5206/console/mcfuart.c
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@@ -519,19 +519,20 @@ mcfuart_interrupt_handler(rtems_vector_number vec)
ssize_t
mcfuart_interrupt_write(mcfuart *uart, const char *buf, size_t len)
{
int level;
rtems_interrupt_disable(level);
uart->tx_buf = buf;
uart->tx_buf_len = len;
uart->tx_ptr = 0;
*MCF5206E_UIMR(MBAR, uart->chn) =
MCF5206E_UIMR_FFULL | MCF5206E_UIMR_TXRDY;
while (((*MCF5206E_USR(MBAR,uart->chn) & MCF5206E_USR_TXRDY) != 0) &&
(uart->tx_ptr < uart->tx_buf_len))
if (len > 0)
{
*MCF5206E_UTB(MBAR,uart->chn) = uart->tx_buf[uart->tx_ptr++];
uart->tx_buf = buf;
uart->tx_buf_len = len;
uart->tx_ptr = 0;
*MCF5206E_UIMR(MBAR, uart->chn) =
MCF5206E_UIMR_FFULL | MCF5206E_UIMR_TXRDY;
while (((*MCF5206E_USR(MBAR,uart->chn) & MCF5206E_USR_TXRDY) != 0) &&
(uart->tx_ptr < uart->tx_buf_len))
{
*MCF5206E_UTB(MBAR,uart->chn) = uart->tx_buf[uart->tx_ptr++];
}
}
rtems_interrupt_enable(level);
return 0;
}