LPCXpression console on UART3

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3497 42af7a65-404d-4744-a932-0658087f49c3

2 files changed, 100 insertions, 0 deletions

diff --git a/nuttx/sched/Makefile b/nuttx/sched/Makefile
index 93807b695..9cd8e5588 100644
--- a/nuttx/sched/Makefile
+++ b/nuttx/sched/Makefile
@@ -54,9 +54,11 @@ SCHED_SRCS	= sched_setparam.c sched_setpriority.c sched_getparam.c \
 		  sched_setscheduler.c sched_getscheduler.c \
 		  sched_yield.c sched_rrgetinterval.c sched_foreach.c \
 		  sched_lock.c sched_unlock.c sched_lockcount.c sched_self.c
+
 ifeq ($(CONFIG_PRIORITY_INHERITANCE),y)
 SCHED_SRCS	+= sched_reprioritize.c 
 endif
+
 ifeq ($(CONFIG_SCHED_WAITPID),y)
 SCHED_SRCS	+= sched_waitpid.c
 endif
@@ -73,10 +75,15 @@ TIME_SRCS	= sched_processtimer.c
 ifneq ($(CONFIG_DISABLE_SIGNALS),y)
 TIME_SRCS	+= sleep.c usleep.c
 endif
+
 CLOCK_SRCS	= clock_initialize.c clock_settime.c clock_gettime.c clock_getres.c \
 		  clock_time2ticks.c clock_abstime2ticks.c clock_ticks2time.c \
 		  clock_gettimeofday.c
 
+ifeq ($(CONFIG_NUTTX_KERNEL),y)
+CLOCK_SRCS	+= clock_systime32.c
+endif
+
 SIGNAL_SRCS	= sig_initialize.c \
 		  sig_action.c sig_procmask.c sig_pending.c sig_suspend.c \
 		  sig_kill.c sig_queue.c sig_waitinfo.c sig_timedwait.c \
@@ -88,9 +95,11 @@ SIGNAL_SRCS	= sig_initialize.c \
 MQUEUE_SRCS	= mq_open.c mq_close.c mq_unlink.c mq_send.c mq_timedsend.c\
 		  mq_sndinternal.c mq_receive.c mq_timedreceive.c mq_rcvinternal.c \
 		  mq_initialize.c mq_descreate.c mq_findnamed.c mq_msgfree.c mq_msgqfree.c
+
 ifneq ($(CONFIG_DISABLE_SIGNALS),y)
 MQUEUE_SRCS	+= mq_waitirq.c
 endif
+
 ifneq ($(CONFIG_DISABLE_SIGNALS),y)
 MQUEUE_SRCS	+= mq_notify.c
 endif
@@ -106,15 +115,18 @@ PTHREAD_SRCS = pthread_create.c pthread_exit.c pthread_join.c pthread_detach.c \
 		  pthread_keycreate.c pthread_setspecific.c pthread_getspecific.c pthread_keydelete.c \
 		  pthread_initialize.c pthread_completejoin.c pthread_findjoininfo.c \
 		  pthread_removejoininfo.c pthread_once.c pthread_setschedprio.c
+
 ifneq ($(CONFIG_DISABLE_SIGNALS),y)
 PTHREAD_SRCS	+= pthread_condtimedwait.c pthread_kill.c pthread_sigmask.c
 endif
 
 SEM_SRCS	= sem_initialize.c sem_destroy.c sem_open.c sem_close.c sem_unlink.c \
 		  sem_wait.c sem_trywait.c sem_post.c sem_findnamed.c
+
 ifneq ($(CONFIG_DISABLE_SIGNALS),y)
 SEM_SRCS	+= sem_waitirq.c
 endif
+
 ifeq ($(CONFIG_PRIORITY_INHERITANCE),y)
 SEM_SRCS	+= sem_holder.c
 endif
@@ -143,18 +155,23 @@ CSRCS		= $(MISC_SRCS) $(TSK_SRCS) $(SCHED_SRCS) $(WDOG_SRCS) $(TIME_SRCS) \
 ifneq ($(CONFIG_DISABLE_CLOCK),y)
 CSRCS		+= $(CLOCK_SRCS)
 endif
+
 ifneq ($(CONFIG_DISABLE_PTHREAD),y)
 CSRCS		+= $(PTHREAD_SRCS)
 endif
+
 ifneq ($(CONFIG_DISABLE_SIGNALS),y)
 CSRCS		+= $(SIGNAL_SRCS)
 endif
+
 ifneq ($(CONFIG_DISABLE_MQUEUE),y)
 CSRCS		+= $(MQUEUE_SRCS)
 endif
+
 ifneq ($(CONFIG_DISABLE_ENVIRON),y)
 CSRCS		+= $(ENV_SRCS)
 endif
+
 ifeq ($(CONFIG_NUTTX_KERNEL),y)
 CSRCS		+= $(KMM_SRCS)
 endif
diff --git a/nuttx/sched/clock_systime32.c b/nuttx/sched/clock_systime32.c
new file mode 100644
index 000000000..f8709e551
--- /dev/null
+++ b/nuttx/sched/clock_systime32.c
@@ -0,0 +1,83 @@
+/****************************************************************************
+ * sched/clock_systime32.c
+ *
+ *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <nuttx/clock.h>
+
+#if !defined(CONFIG_DISABLE_CLOCK) && \
+     defined(CONFIG_NUTTX_KERNEL) && !defined(__KERNEL__)
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#undef os_systime32
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Function:  os_systime32
+ *
+ * Description:
+ *   Return the current value of the system timer counter
+ *
+ * Parameters:
+ *   None
+ *
+ * Return Value:
+ *   The current value of the system timer counter
+ *
+ * Assumptions:
+ *
+ ****************************************************************************/
+
+uint32_t os_systime32(void)
+{
+  return g_system_timer;
+}
+#endif
+