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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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27
c/src/lib/libcpu/sh/sh7750/sci/sh4uart.c
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@@ -761,24 +761,21 @@ sh4uart2_interrupt_transmit(rtems_vector_number vec)
rtems_status_code
sh4uart_interrupt_write(sh4uart *uart, const char *buf, int len)
{
volatile uint8_t *scr1 = (volatile uint8_t *)SH7750_SCSCR1;
volatile uint16_t *scr2 = (volatile uint16_t *)SH7750_SCSCR2;
int level;
if (len > 0) {
volatile uint8_t *scr1 = (volatile uint8_t *)SH7750_SCSCR1;
volatile uint16_t *scr2 = (volatile uint16_t *)SH7750_SCSCR2;
while ((SCSSR1 & SH7750_SCSSR1_TEND) == 0);
while ((SCSSR1 & SH7750_SCSSR1_TEND) == 0);
rtems_interrupt_disable(level);
uart->tx_buf = buf;
uart->tx_buf_len = len;
uart->tx_ptr = 0;
uart->tx_buf = buf;
uart->tx_buf_len = len;
uart->tx_ptr = 0;
if (uart->chn == SH4_SCI)
*scr1 |= SH7750_SCSCR_TIE;
else
*scr2 |= SH7750_SCSCR_TIE;
rtems_interrupt_enable(level);
if (uart->chn == SH4_SCI)
*scr1 |= SH7750_SCSCR_TIE;
else
*scr2 |= SH7750_SCSCR_TIE;
}
return RTEMS_SUCCESSFUL;
}