Mercurial > ecos-v3_0-branch
changeset 864:c398056d144d
* src/common/serial.c (serial_get_config): For both INPUT_FLUSH
and OUTPUT_FLUSH keys, pass down to the hardware driver as well
to allow it to flush FIFOs.
Based on patch from Roland Cassebohm.
| author | jlarmour |
|---|---|
| date | Tue, 25 Mar 2003 02:47:05 +0000 |
| parents | 0d6e15090dc8 |
| children | 6001f11af5db |
| files | packages/io/serial/current/ChangeLog packages/io/serial/current/src/common/serial.c |
| diffstat | 2 files changed, 16 insertions(+), 0 deletions(-) [+] |
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--- a/packages/io/serial/current/ChangeLog +++ b/packages/io/serial/current/ChangeLog @@ -1,3 +1,10 @@ +2003-03-25 Jonathan Larmour <jifl@eCosCentric.com> + + * src/common/serial.c (serial_get_config): For both INPUT_FLUSH + and OUTPUT_FLUSH keys, pass down to the hardware driver as well + to allow it to flush FIFOs. + Based on patch from Roland Cassebohm. + 2003-03-20 Gary Thomas <gary@mlbassoc.com> * src/common/serial.c: Only return -EAGAIN if no data moved.
--- a/packages/io/serial/current/src/common/serial.c +++ b/packages/io/serial/current/src/common/serial.c @@ -617,6 +617,11 @@ serial_get_config(cyg_io_handle_t handle in_cbuf->waiting = false; } in_cbuf->get = in_cbuf->put = in_cbuf->nb = 0; // Flush buffered input + + // Pass to the hardware driver in case it wants to flush FIFOs etc. + (funs->set_config)(chan, + CYG_IO_SET_CONFIG_SERIAL_INPUT_FLUSH, + NULL, NULL); cyg_drv_dsr_unlock(); cyg_drv_mutex_unlock(&in_cbuf->lock); break; @@ -643,6 +648,10 @@ serial_get_config(cyg_io_handle_t handle out_cbuf->get = out_cbuf->put = out_cbuf->nb = 0; // Empties queue! (funs->stop_xmit)(chan); // Done with transmit } + // Pass to the hardware driver in case it wants to flush FIFOs etc. + (funs->set_config)(chan, + CYG_IO_SET_CONFIG_SERIAL_OUTPUT_FLUSH, + NULL, NULL); if (out_cbuf->waiting) { out_cbuf->abort = true; cyg_drv_cond_signal(&out_cbuf->wait);