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Changed to utilize return status from rtems_termios_dequeue_characters()

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and to correctly set the TX active indicator.
This commit is contained in:
Joel Sherrill
1998-07-25 14:51:57 +00:00
parent a3c9f0dc58
commit c68b990b99
2 changed files with 18 additions and 8 deletions
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13
c/src/lib/libchip/serial/mc68681.c
View File

@@ -486,9 +486,11 @@ MC68681_STATIC int mc68681_write_support_int(
* Wake up the device
*/
rtems_interrupt_disable(Irql);
Console_Port_Data[minor].bActive = TRUE;
if ( Console_Port_Data[minor].bActive == FALSE ) {
Console_Port_Data[minor].bActive = TRUE;
mc68681_enable_interrupts(minor, MC68681_IMR_ENABLE_ALL);
}
(*setReg)(pMC68681_port, MC68681_TX_BUFFER, *buf);
mc68681_enable_interrupts(minor, MC68681_IMR_ENABLE_ALL);
rtems_interrupt_enable(Irql);
return 1;
}
@@ -673,8 +675,11 @@ MC68681_STATIC void mc68681_process(
ucLineStatus >>= 4;
if(ucLineStatus & MC68681_IR_TX_READY) {
mc68681_enable_interrupts(minor, MC68681_IMR_ENABLE_ALL_EXCEPT_TX);
rtems_termios_dequeue_characters(Console_Port_Data[minor].termios_data, 1);
if (!rtems_termios_dequeue_characters(
Console_Port_Data[minor].termios_data, 1)) {
Console_Port_Data[minor].bActive = FALSE;
mc68681_enable_interrupts(minor, MC68681_IMR_ENABLE_ALL_EXCEPT_TX);
}
}
}

13
c/src/libchip/serial/mc68681.c
View File

@@ -486,9 +486,11 @@ MC68681_STATIC int mc68681_write_support_int(
* Wake up the device
*/
rtems_interrupt_disable(Irql);
Console_Port_Data[minor].bActive = TRUE;
if ( Console_Port_Data[minor].bActive == FALSE ) {
Console_Port_Data[minor].bActive = TRUE;
mc68681_enable_interrupts(minor, MC68681_IMR_ENABLE_ALL);
}
(*setReg)(pMC68681_port, MC68681_TX_BUFFER, *buf);
mc68681_enable_interrupts(minor, MC68681_IMR_ENABLE_ALL);
rtems_interrupt_enable(Irql);
return 1;
}
@@ -673,8 +675,11 @@ MC68681_STATIC void mc68681_process(
ucLineStatus >>= 4;
if(ucLineStatus & MC68681_IR_TX_READY) {
mc68681_enable_interrupts(minor, MC68681_IMR_ENABLE_ALL_EXCEPT_TX);
rtems_termios_dequeue_characters(Console_Port_Data[minor].termios_data, 1);
if (!rtems_termios_dequeue_characters(
Console_Port_Data[minor].termios_data, 1)) {
Console_Port_Data[minor].bActive = FALSE;
mc68681_enable_interrupts(minor, MC68681_IMR_ENABLE_ALL_EXCEPT_TX);
}
}
}