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| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1998-07-25 14:51:57 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1998-07-25 14:51:57 +0000 |
| commit | c68b990b995d213c552eafe5e4fd6e49145567c5 (patch) | |
| tree | 2691b67091f70d7f7c7f1cbe2d59ee6fe01e9c87 /c/src/libchip | |
| parent | Moved console.c to libbsp/shared. (diff) | |
| download | rtems-c68b990b995d213c552eafe5e4fd6e49145567c5.tar.bz2 | |
Changed to utilize return status from rtems_termios_dequeue_characters()
and to correctly set the TX active indicator.
Diffstat (limited to 'c/src/libchip')
| -rw-r--r-- | c/src/libchip/serial/mc68681.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/c/src/libchip/serial/mc68681.c b/c/src/libchip/serial/mc68681.c index d84a2a707c..6bdb93a88e 100644 --- a/c/src/libchip/serial/mc68681.c +++ b/c/src/libchip/serial/mc68681.c @@ -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); + } } } |