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Freedom-K64F: Add hooks for automounter; Change NSH configuration to use Windows
This commit is contained in:
Gregory Nutt
@@ -0,0 +1,327 @@
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/************************************************************************************
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* configs/freedom-k64f/src/k64_automount.c
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*
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* Copyright (C) 2016 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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|
* modification, are permitted provided that the following conditions
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||||||
|
* are met:
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||||||
|
*
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* 1. Redistributions of source code must retain the above copyright
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||||||
|
* notice, this list of conditions and the following disclaimer.
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||||||
|
* 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.
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||||||
|
* 3. Neither the name NuttX nor the names of its contributors may be
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|
* used to endorse or promote products derived from this software
|
||||||
|
* without specific prior written permission.
|
||||||
|
*
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|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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|
* "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,
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||||||
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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||||||
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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||||||
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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|
* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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/************************************************************************************
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* Included Files
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************************************************************************************/
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#include <nuttx/config.h>
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#if defined(CONFIG_FS_AUTOMOUNTER_DEBUG) && !defined(CONFIG_DEBUG_FS)
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# define CONFIG_DEBUG_FS 1
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#endif
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#include <debug.h>
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#include <nuttx/irq.h>
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#include <nuttx/clock.h>
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#include <nuttx/fs/automount.h>
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#include "freedom-k64f.h"
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#ifdef HAVE_AUTOMOUNTER
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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#ifndef NULL
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# define NULL (FAR void *)0
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#endif
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#ifndef OK
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# define OK 0
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#endif
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/************************************************************************************
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* Private Types
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************************************************************************************/
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/* This structure represents the changeable state of the automounter */
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struct k64_automount_state_s
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{
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volatile automount_handler_t handler; /* Upper half handler */
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FAR void *arg; /* Handler argument */
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bool enable; /* Fake interrupt enable */
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bool pending; /* Set if there an event while disabled */
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};
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/* This structure represents the static configuration of an automounter */
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struct k64_automount_config_s
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{
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/* This must be first thing in structure so that we can simply cast from struct
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* automount_lower_s to struct k64_automount_config_s
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*/
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struct automount_lower_s lower; /* Publicly visible part */
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FAR struct k64_automount_state_s *state; /* Changeable state */
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};
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/************************************************************************************
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* Private Function Prototypes
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************************************************************************************/
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static int k64_attach(FAR const struct automount_lower_s *lower,
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automount_handler_t isr, FAR void *arg);
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static void k64_enable(FAR const struct automount_lower_s *lower, bool enable);
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static bool k64_inserted(FAR const struct automount_lower_s *lower);
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/************************************************************************************
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* Private Data
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************************************************************************************/
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static struct k64_automount_state_s g_sdhc_state;
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static const struct k64_automount_config_s g_sdhc_config =
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{
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.lower =
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{
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.fstype = CONFIG_FRDMK64F_SDHC_AUTOMOUNT_FSTYPE,
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.blockdev = CONFIG_FRDMK64F_SDHC_AUTOMOUNT_BLKDEV,
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.mountpoint = CONFIG_FRDMK64F_SDHC_AUTOMOUNT_MOUNTPOINT,
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.ddelay = MSEC2TICK(CONFIG_FRDMK64F_SDHC_AUTOMOUNT_DDELAY),
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.udelay = MSEC2TICK(CONFIG_FRDMK64F_SDHC_AUTOMOUNT_UDELAY),
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.attach = k64_attach,
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.enable = k64_enable,
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.inserted = k64_inserted
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},
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.state = &g_sdhc_state
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};
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/************************************************************************************
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* Private Functions
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************************************************************************************/
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/************************************************************************************
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* Name: k64_attach
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*
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* Description:
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* Attach a new SDHC event handler
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*
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* Input Parameters:
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* lower - An instance of the auto-mounter lower half state structure
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* isr - The new event handler to be attach
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* arg - Client data to be provided when the event handler is invoked.
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*
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* Returned Value:
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* Always returns OK
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*
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************************************************************************************/
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static int k64_attach(FAR const struct automount_lower_s *lower,
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automount_handler_t isr, FAR void *arg)
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{
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FAR const struct k64_automount_config_s *config;
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FAR struct k64_automount_state_s *state;
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/* Recover references to our structure */
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config = (FAR struct k64_automount_config_s *)lower;
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DEBUGASSERT(config && config->state);
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state = config->state;
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/* Save the new handler info (clearing the handler first to eliminate race
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* conditions).
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*/
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state->handler = NULL;
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state->pending = false;
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state->arg = arg;
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state->handler = isr;
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return OK;
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}
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/************************************************************************************
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* Name: k64_enable
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*
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* Description:
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* Enable card insertion/removal event detection
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*
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* Input Parameters:
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* lower - An instance of the auto-mounter lower half state structure
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* enable - True: enable event detection; False: disable
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*
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* Returned Value:
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* None
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*
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************************************************************************************/
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static void k64_enable(FAR const struct automount_lower_s *lower, bool enable)
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{
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FAR const struct k64_automount_config_s *config;
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FAR struct k64_automount_state_s *state;
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irqstate_t flags;
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/* Recover references to our structure */
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config = (FAR struct k64_automount_config_s *)lower;
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DEBUGASSERT(config && config->state);
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state = config->state;
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/* Save the fake enable setting */
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flags = enter_critical_section();
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state->enable = enable;
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/* Did an interrupt occur while interrupts were disabled? */
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if (enable && state->pending)
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{
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/* Yes.. perform the fake interrupt if the interrutp is attached */
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if (state->handler)
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{
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bool inserted = k64_cardinserted();
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(void)state->handler(&config->lower, state->arg, inserted);
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}
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state->pending = false;
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}
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leave_critical_section(flags);
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}
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/************************************************************************************
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* Name: k64_inserted
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*
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* Description:
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* Check if a card is inserted into the slot.
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*
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* Input Parameters:
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* lower - An instance of the auto-mounter lower half state structure
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*
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* Returned Value:
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* True if the card is inserted; False otherwise
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*
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************************************************************************************/
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static bool k64_inserted(FAR const struct automount_lower_s *lower)
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{
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FAR const struct k64_automount_config_s *config;
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config = (FAR struct k64_automount_config_s *)lower;
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DEBUGASSERT(config && config->state);
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return k64_cardinserted();
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}
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/************************************************************************************
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* Public Functions
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************************************************************************************/
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/************************************************************************************
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* Name: k64_automount_initialize
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*
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* Description:
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* Configure auto-mounters for each enable and so configured SDHC
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* None
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*
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************************************************************************************/
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void k64_automount_initialize(void)
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{
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FAR void *handle;
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finfo("Initializing automounter(s)\n");
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/* Initialize the SDHC0 auto-mounter */
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handle = automount_initialize(&g_sdhc_config.lower);
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if (!handle)
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{
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ferr("ERROR: Failed to initialize auto-mounter for SDHC0\n");
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}
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}
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/************************************************************************************
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* Name: k64_automount_event
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*
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* Description:
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* The SDHC card detection logic has detected an insertion or removal event. It
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* has already scheduled the MMC/SD block driver operations. Now we need to
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* schedule the auto-mount event which will occur with a substantial delay to make
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* sure that everything has settle down.
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*
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* Input Parameters:
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* slotno - Identifies the SDHC0 slot: SDHC0_SLOTNO or SDHC1_SLOTNO. There is a
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* terminology problem here: Each SDHC supports two slots, slot A and slot B.
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* Only slot A is used. So this is not a really a slot, but an HSCMI peripheral
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* number.
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* inserted - True if the card is inserted in the slot. False otherwise.
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*
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* Returned Value:
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* None
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*
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* Assumptions:
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* Interrupts are disabled.
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*
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************************************************************************************/
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void k64_automount_event(bool inserted)
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{
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FAR const struct k64_automount_config_s *config = &g_sdhc_config;
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FAR struct k64_automount_state_s *state = &g_sdhc_state;
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/* Is the auto-mounter interrupt attached? */
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if (state->handler)
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{
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/* Yes.. Have we been asked to hold off interrupts? */
|
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|
if (!state->enable)
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{
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/* Yes.. just remember the there is a pending interrupt. We will
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* deliver the interrupt when interrupts are "re-enabled."
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|
*/
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|
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state->pending = true;
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|
}
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|
else
|
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|
{
|
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/* No.. forward the event to the handler */
|
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|
|
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(void)state->handler(&config->lower, state->arg, inserted);
|
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|
}
|
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|
}
|
||||||
|
}
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|
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|
#endif /* HAVE_AUTOMOUNTER */
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@@ -0,0 +1,239 @@
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|
/****************************************************************************
|
||||||
|
* config/freedom-k64f/src/k64_sdhc.c
|
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|
*
|
||||||
|
* Copyright (C) 2016 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.
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
/* A micro Secure Digital (SD) card slot is available on the FRDM-K64F connected to
|
||||||
|
* the SD Host Controller (SDHC) signals of the MCU. This slot will accept micro
|
||||||
|
* format SD memory cards. The SD card detect pin (PTE6) is an open switch that
|
||||||
|
* shorts with VDD when card is inserted.
|
||||||
|
*
|
||||||
|
* ------------ ------------- --------
|
||||||
|
* SD Card Slot Board Signal K64F Pin
|
||||||
|
* ------------ ------------- --------
|
||||||
|
* DAT0 SDHC0_D0 PTE0
|
||||||
|
* DAT1 SDHC0_D1 PTE1
|
||||||
|
* DAT2 SDHC0_D2 PTE5
|
||||||
|
* CD/DAT3 SDHC0_D3 PTE4
|
||||||
|
* CMD SDHC0_CMD PTE3
|
||||||
|
* CLK SDHC0_DCLK PTE2
|
||||||
|
* SWITCH D_CARD_DETECT PTE6
|
||||||
|
* ------------ ------------- --------
|
||||||
|
*
|
||||||
|
* There is no Write Protect pin available to the K64F.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Included Files
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
#include <nuttx/config.h>
|
||||||
|
|
||||||
|
#include <stdbool.h>
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <debug.h>
|
||||||
|
#include <errno.h>
|
||||||
|
|
||||||
|
#include <nuttx/sdio.h>
|
||||||
|
#include <nuttx/mmcsd.h>
|
||||||
|
|
||||||
|
#include "kinetis.h"
|
||||||
|
|
||||||
|
#include "freedom-k64f.h"
|
||||||
|
|
||||||
|
#ifdef HAVE_MMCSD
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Pre-processor Definitions
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Private Types
|
||||||
|
****************************************************************************/
|
||||||
|
/* This structure holds static information unique to one SDHC peripheral */
|
||||||
|
|
||||||
|
struct k64_sdhc_state_s
|
||||||
|
{
|
||||||
|
struct sdio_dev_s *sdhc; /* R/W device handle */
|
||||||
|
bool inserted; /* TRUE: card is inserted */
|
||||||
|
};
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Private Data
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
/* HSCMI device state */
|
||||||
|
|
||||||
|
static struct k64_sdhc_state_s g_sdhc;
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Private Functions
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: k64_mediachange
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
static void k64_mediachange(void)
|
||||||
|
{
|
||||||
|
bool inserted;
|
||||||
|
|
||||||
|
/* Get the current value of the card detect pin. This pin is pulled up on
|
||||||
|
* board. So low means that a card is present.
|
||||||
|
*/
|
||||||
|
|
||||||
|
inserted = !kinetis_gpioread(GPIO_SD_CARDDETECT);
|
||||||
|
|
||||||
|
/* Has the pin changed state? */
|
||||||
|
|
||||||
|
if (inserted != g_sdhc.inserted)
|
||||||
|
{
|
||||||
|
/* Yes.. perform the appropriate action (this might need some debounce). */
|
||||||
|
|
||||||
|
g_sdhc.inserted = inserted;
|
||||||
|
sdhc_mediachange(g_sdhc.sdhc, inserted);
|
||||||
|
|
||||||
|
#ifdef CONFIG_FRDMK64F_SDHC_AUTOMOUNT
|
||||||
|
/* Let the automounter know about the insertion event */
|
||||||
|
|
||||||
|
k64_automount_event(SDHC0_SLOTNO, k64_cardinserted());
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: k64_cdinterrupt
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
static int k64_cdinterrupt(int irq, FAR void *context)
|
||||||
|
{
|
||||||
|
/* All of the work is done by k64_mediachange() */
|
||||||
|
|
||||||
|
k64_mediachange();
|
||||||
|
return OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Public Functions
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: k64_sdhc_initialize
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Inititialize the SDHC SD card slot
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
int k64_sdhc_initialize(void)
|
||||||
|
{
|
||||||
|
struct k64_sdhc_state_s *state = &g_sdhc;
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
/* Configure GPIO pins */
|
||||||
|
|
||||||
|
/* Attached the card detect interrupt (but don't enable it yet) */
|
||||||
|
|
||||||
|
kinetis_pinconfig(GPIO_SD_CARDDETECT);
|
||||||
|
kinetis_pinirqattach(GPIO_SD_CARDDETECT, k64_cdinterrupt);
|
||||||
|
|
||||||
|
/* Configure the write protect GPIO -- None */
|
||||||
|
|
||||||
|
/* Mount the SDHC-based MMC/SD block driver */
|
||||||
|
/* First, get an instance of the SDHC interface */
|
||||||
|
|
||||||
|
mcinfo("Initializing SDHC slot %d\n", MMCSD_SLOTNO);
|
||||||
|
|
||||||
|
g_sdhc.sdhc = sdhc_initialize(MMCSD_SLOTNO);
|
||||||
|
if (!g_sdhc.sdhc)
|
||||||
|
{
|
||||||
|
mcerr("ERROR: Failed to initialize SDHC slot %d\n", MMCSD_SLOTNO);
|
||||||
|
return -ENODEV;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Now bind the SDHC interface to the MMC/SD driver */
|
||||||
|
|
||||||
|
mcinfo("Bind SDHC to the MMC/SD driver, minor=%d\n", MMSCD_MINOR);
|
||||||
|
|
||||||
|
ret = mmcsd_slotinitialize(MMSCD_MINOR, g_sdhc.sdhc);
|
||||||
|
if (ret != OK)
|
||||||
|
{
|
||||||
|
syslog(LOG_ERR, "ERROR: Failed to bind SDHC to the MMC/SD driver: %d\n", ret);
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
syslog(LOG_INFO, "Successfully bound SDHC to the MMC/SD driver\n");
|
||||||
|
|
||||||
|
/* Handle the initial card state */
|
||||||
|
|
||||||
|
k64_mediachange();
|
||||||
|
|
||||||
|
/* Enable CD interrupts to handle subsequent media changes */
|
||||||
|
|
||||||
|
kinetis_pinirqenable(GPIO_SD_CARDDETECT);
|
||||||
|
return OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: k64_cardinserted
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Check if a card is inserted into the SDHC slot
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
#ifdef HAVE_AUTOMOUNTER
|
||||||
|
bool k64_cardinserted(void)
|
||||||
|
{
|
||||||
|
return !kinetis_gpioread(GPIO_SD_CARDDETECT);
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: k64_writeprotected
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Check if a card is inserted into the SDHC slot
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
#ifdef HAVE_AUTOMOUNTER
|
||||||
|
bool k64_writeprotected(void)
|
||||||
|
{
|
||||||
|
/* There are no write protect pins */
|
||||||
|
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#endif /* HAVE_MMCSD */
|
||||||
Reference in New Issue
Block a user