/**
* \file
* <!--
- * Copyright 2003, 2004 Develer S.r.l. (http://www.develer.com/)
+ * Copyright 2003, 2004, 2006 Develer S.r.l. (http://www.develer.com/)
* Copyright 2000 Bernardo Innocenti <bernie@codewiz.org>
* This file is part of DevLib - See README.devlib for information.
* -->
/*#*
*#* $Log$
+ *#* Revision 1.36 2007/01/29 11:30:29 batt
+ *#* Reimplement ser_clearstatus as a macro.
+ *#*
+ *#* Revision 1.35 2007/01/27 20:47:12 batt
+ *#* Add clear status.
+ *#*
+ *#* Revision 1.34 2006/11/20 15:07:40 batt
+ *#* Revert unneeded locked functions.
+ *#*
+ *#* Revision 1.33 2006/11/17 18:15:55 batt
+ *#* Avoid race conditions.
+ *#*
+ *#* Revision 1.32 2006/11/17 17:03:58 batt
+ *#* Implement ser_setstatus and ser_getstatus as functions to avoid race conditions.
+ *#*
+ *#* Revision 1.31 2006/07/21 10:58:00 batt
+ *#* Use timer_clock() instead of obsolete timer_ticks().
+ *#*
*#* Revision 1.30 2006/07/19 12:56:26 bernie
*#* Convert to new Doxygen style.
*#*
#include "ser_p.h"
#include <mware/formatwr.h>
#include <cfg/debug.h>
-//#include <hw.h>
#include <appconfig.h>
/*
if (fifo_isfull_locked(&port->txfifo))
{
#if CONFIG_SER_TXTIMEOUT != -1
- mtime_t start_time = timer_ticks();
+ ticks_t start_time = timer_clock();
#endif
/* Attende finche' il buffer e' pieno... */
proc_switch();
#endif
#if CONFIG_SER_TXTIMEOUT != -1
- if (timer_ticks() - start_time >= port->txtimeout)
+ if (timer_clock() - start_time >= port->txtimeout)
{
- port->status |= SERRF_TXTIMEOUT;
+ ATOMIC(port->status |= SERRF_TXTIMEOUT);
return EOF;
}
#endif /* CONFIG_SER_TXTIMEOUT */
if (fifo_isempty_locked(&port->rxfifo))
{
#if CONFIG_SER_RXTIMEOUT != -1
- mtime_t start_time = timer_ticks();
+ ticks_t start_time = timer_clock();
#endif
/* Wait while buffer is empty */
do
proc_switch();
#endif
#if CONFIG_SER_RXTIMEOUT != -1
- if (timer_ticks() - start_time >= port->rxtimeout)
+ if (timer_clock() - start_time >= port->rxtimeout)
{
- port->status |= SERRF_RXTIMEOUT;
+ ATOMIC(port->status |= SERRF_RXTIMEOUT);
return EOF;
}
#endif /* CONFIG_SER_RXTIMEOUT */
}
- while (fifo_isempty_locked(&port->rxfifo) && (port->status & SERRF_RX) == 0);
+ while (fifo_isempty_locked(&port->rxfifo) && (ser_getstatus(port) & SERRF_RX) == 0);
}
/*
* Get a byte from the FIFO (avoiding sign-extension),
* re-enable RTS, then return result.
*/
- if (port->status & SERRF_RX)
+ if (ser_getstatus(port) & SERRF_RX)
return EOF;
return (int)(unsigned char)fifo_pop_locked(&port->rxfifo);
}
#if CONFIG_SER_RXTIMEOUT != -1 || CONFIG_SER_TXTIMEOUT != -1
void ser_settimeouts(struct Serial *port, mtime_t rxtimeout, mtime_t txtimeout)
{
- port->rxtimeout = rxtimeout;
- port->txtimeout = txtimeout;
+ port->rxtimeout = ms_to_ticks(rxtimeout);
+ port->txtimeout = ms_to_ticks(txtimeout);
}
#endif /* CONFIG_SER_RXTIMEOUT || CONFIG_SER_TXTIMEOUT */
*/
void ser_resync(struct Serial *port, mtime_t delay)
{
- mtime_t old_rxtimeout = port->rxtimeout;
+ mtime_t old_rxtimeout = ticks_to_ms(port->rxtimeout);
- ser_settimeouts(port, delay, port->txtimeout);
+ ser_settimeouts(port, delay, ticks_to_ms(port->txtimeout));
do
{
ser_setstatus(port, 0);
/* Restore port to an usable status */
ser_setstatus(port, 0);
- ser_settimeouts(port, old_rxtimeout, port->txtimeout);
+ ser_settimeouts(port, old_rxtimeout, ticks_to_ms(port->txtimeout));
}
#endif /* CONFIG_SER_RXTIMEOUT */
void ser_drain(struct Serial *ser)
{
/*
- * Wait until the FIFO is empty, and then until the byte currently in
+ * Wait until the FIFO becomes empty, and then until the byte currently in
* the hardware register gets shifted out.
*/
while (!fifo_isempty(&ser->txfifo)