1 files changed, 0 insertions, 161 deletions
diff --git a/nuttx/drivers/power/pm_checkstate.c b/nuttx/drivers/power/pm_checkstate.c
deleted file mode 100644
index 9b0e1045e..000000000
--- a/nuttx/drivers/power/pm_checkstate.c
+++ /dev/null
@@ -1,161 +0,0 @@
-/****************************************************************************
- * drivers/power/pm_checkstate.c
- *
- *   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <gnutt@nuttx.org>
- *
- * 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 <nuttx/power/pm.h>
-#include <nuttx/clock.h>
-#include <arch/irq.h>
-
-#include "pm_internal.h"
-
-#ifdef CONFIG_PM
-
-/****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
-
-/****************************************************************************
- * Private Types
- ****************************************************************************/
-
-/****************************************************************************
- * Private Function Prototypes
- ****************************************************************************/
-
-/****************************************************************************
- * Private Data
- ****************************************************************************/
-
-/****************************************************************************
- * Public Data
- ****************************************************************************/
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: pm_checkstate
- *
- * Description:
- *   This function is called from the MCU-specific IDLE loop to monitor the
- *   the power management conditions.  This function returns the "recommended"
- *   power management state based on the PM configuration and activity
- *   reported in the last sampling periods.  The power management state is
- *   not automatically changed, however.  The IDLE loop must call
- *   pm_changestate() in order to make the state change.
- *
- *   These two steps are separated because the plaform-specific IDLE loop may
- *   have additional situational information that is not available to the
- *   the PM sub-system.  For example, the IDLE loop may know that the
- *   battery charge level is very low and may force lower power states
- *   even if there is activity.
- *
- *   NOTE: That these two steps are separated in time and, hence, the IDLE
- *   loop could be suspended for a long period of time between calling
- *   pm_checkstate() and pm_changestate().  The IDLE loop may need to make
- *   these calls atomic by either disabling interrupts until the state change
- *   is completed.
- *
- * Input Parameters:
- *   None
- *
- * Returned Value:
- *   The recommended power management state.
- *
- ****************************************************************************/
-
-enum pm_state_e pm_checkstate(void)
-{
-  uint32_t now;
-  irqstate_t flags;
-
-  /* Check for the end of the current time slice.  This must be performed
-   * with interrupts disabled so that it does not conflict with the similar
-   * logic in pm_activity().
-   */
-
-  flags = irqsave();
-
-  /* Check the elapsed time.  In periods of low activity, time slicing is
-   * controlled by IDLE loop polling; in periods of higher activity, time
-   * slicing is controlled by driver activity.  In either case, the duration
-   * of the time slice is only approximate; during times of heavy activity,
-   * time slices may be become longer and the activity level may be over-
-   * estimated.
-   */
-
-   now = clock_systimer();
-   if (now - g_pmglobals.stime >= TIME_SLICE_TICKS)
-    {
-       int16_t accum;
-
-       /* Sample the count, reset the time and count, and assess the PM
-        * state.  This is an atomic operation because interrupts are
-        * still disabled.
-        */
-
-       accum             = g_pmglobals.accum;
-       g_pmglobals.stime = now;
-       g_pmglobals.accum = 0;
-
-       /* Reassessing the PM state may require some computation.  However,
-        * the work will actually be performed on a worker thread at a user-
-        * controlled priority.
-        */
-
-       (void)pm_update(accum);
-    }
-  irqrestore(flags);
-
-  /* Return the recommended state.  Assuming that we are called from the
-   * IDLE thread at the lowest priority level, any updates scheduled on the
-   * worker thread above should have already been peformed and the recommended
-   * state should be current:
-   */
-
-  return g_pmglobals.recommended;
-}
-
-#endif /* CONFIG_PM */