mirror of
https://github.com/apache/nuttx.git
synced 2026-06-05 15:58:59 +08:00
Freedom-K64F: Add hooks for automounter; Change NSH configuration to use Windows
This commit is contained in:
Gregory Nutt
@@ -0,0 +1,327 @@
|
||||
/************************************************************************************
|
||||
* configs/freedom-k64f/src/k64_automount.c
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
************************************************************************************/
|
||||
|
||||
/************************************************************************************
|
||||
* Included Files
|
||||
************************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#if defined(CONFIG_FS_AUTOMOUNTER_DEBUG) && !defined(CONFIG_DEBUG_FS)
|
||||
# define CONFIG_DEBUG_FS 1
|
||||
#endif
|
||||
|
||||
#include <debug.h>
|
||||
|
||||
#include <nuttx/irq.h>
|
||||
#include <nuttx/clock.h>
|
||||
#include <nuttx/fs/automount.h>
|
||||
|
||||
#include "freedom-k64f.h"
|
||||
|
||||
#ifdef HAVE_AUTOMOUNTER
|
||||
|
||||
/************************************************************************************
|
||||
* Pre-processor Definitions
|
||||
************************************************************************************/
|
||||
|
||||
#ifndef NULL
|
||||
# define NULL (FAR void *)0
|
||||
#endif
|
||||
|
||||
#ifndef OK
|
||||
# define OK 0
|
||||
#endif
|
||||
|
||||
/************************************************************************************
|
||||
* Private Types
|
||||
************************************************************************************/
|
||||
/* This structure represents the changeable state of the automounter */
|
||||
|
||||
struct k64_automount_state_s
|
||||
{
|
||||
volatile automount_handler_t handler; /* Upper half handler */
|
||||
FAR void *arg; /* Handler argument */
|
||||
bool enable; /* Fake interrupt enable */
|
||||
bool pending; /* Set if there an event while disabled */
|
||||
};
|
||||
|
||||
/* This structure represents the static configuration of an automounter */
|
||||
|
||||
struct k64_automount_config_s
|
||||
{
|
||||
/* This must be first thing in structure so that we can simply cast from struct
|
||||
* automount_lower_s to struct k64_automount_config_s
|
||||
*/
|
||||
|
||||
struct automount_lower_s lower; /* Publicly visible part */
|
||||
FAR struct k64_automount_state_s *state; /* Changeable state */
|
||||
};
|
||||
|
||||
/************************************************************************************
|
||||
* Private Function Prototypes
|
||||
************************************************************************************/
|
||||
|
||||
static int k64_attach(FAR const struct automount_lower_s *lower,
|
||||
automount_handler_t isr, FAR void *arg);
|
||||
static void k64_enable(FAR const struct automount_lower_s *lower, bool enable);
|
||||
static bool k64_inserted(FAR const struct automount_lower_s *lower);
|
||||
|
||||
/************************************************************************************
|
||||
* Private Data
|
||||
************************************************************************************/
|
||||
|
||||
static struct k64_automount_state_s g_sdhc_state;
|
||||
static const struct k64_automount_config_s g_sdhc_config =
|
||||
{
|
||||
.lower =
|
||||
{
|
||||
.fstype = CONFIG_FRDMK64F_SDHC_AUTOMOUNT_FSTYPE,
|
||||
.blockdev = CONFIG_FRDMK64F_SDHC_AUTOMOUNT_BLKDEV,
|
||||
.mountpoint = CONFIG_FRDMK64F_SDHC_AUTOMOUNT_MOUNTPOINT,
|
||||
.ddelay = MSEC2TICK(CONFIG_FRDMK64F_SDHC_AUTOMOUNT_DDELAY),
|
||||
.udelay = MSEC2TICK(CONFIG_FRDMK64F_SDHC_AUTOMOUNT_UDELAY),
|
||||
.attach = k64_attach,
|
||||
.enable = k64_enable,
|
||||
.inserted = k64_inserted
|
||||
},
|
||||
.state = &g_sdhc_state
|
||||
};
|
||||
|
||||
/************************************************************************************
|
||||
* Private Functions
|
||||
************************************************************************************/
|
||||
|
||||
/************************************************************************************
|
||||
* Name: k64_attach
|
||||
*
|
||||
* Description:
|
||||
* Attach a new SDHC event handler
|
||||
*
|
||||
* Input Parameters:
|
||||
* lower - An instance of the auto-mounter lower half state structure
|
||||
* isr - The new event handler to be attach
|
||||
* arg - Client data to be provided when the event handler is invoked.
|
||||
*
|
||||
* Returned Value:
|
||||
* Always returns OK
|
||||
*
|
||||
************************************************************************************/
|
||||
|
||||
static int k64_attach(FAR const struct automount_lower_s *lower,
|
||||
automount_handler_t isr, FAR void *arg)
|
||||
{
|
||||
FAR const struct k64_automount_config_s *config;
|
||||
FAR struct k64_automount_state_s *state;
|
||||
|
||||
/* Recover references to our structure */
|
||||
|
||||
config = (FAR struct k64_automount_config_s *)lower;
|
||||
DEBUGASSERT(config && config->state);
|
||||
|
||||
state = config->state;
|
||||
|
||||
/* Save the new handler info (clearing the handler first to eliminate race
|
||||
* conditions).
|
||||
*/
|
||||
|
||||
state->handler = NULL;
|
||||
state->pending = false;
|
||||
state->arg = arg;
|
||||
state->handler = isr;
|
||||
return OK;
|
||||
}
|
||||
|
||||
/************************************************************************************
|
||||
* Name: k64_enable
|
||||
*
|
||||
* Description:
|
||||
* Enable card insertion/removal event detection
|
||||
*
|
||||
* Input Parameters:
|
||||
* lower - An instance of the auto-mounter lower half state structure
|
||||
* enable - True: enable event detection; False: disable
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
************************************************************************************/
|
||||
|
||||
static void k64_enable(FAR const struct automount_lower_s *lower, bool enable)
|
||||
{
|
||||
FAR const struct k64_automount_config_s *config;
|
||||
FAR struct k64_automount_state_s *state;
|
||||
irqstate_t flags;
|
||||
|
||||
/* Recover references to our structure */
|
||||
|
||||
config = (FAR struct k64_automount_config_s *)lower;
|
||||
DEBUGASSERT(config && config->state);
|
||||
|
||||
state = config->state;
|
||||
|
||||
/* Save the fake enable setting */
|
||||
|
||||
flags = enter_critical_section();
|
||||
state->enable = enable;
|
||||
|
||||
/* Did an interrupt occur while interrupts were disabled? */
|
||||
|
||||
if (enable && state->pending)
|
||||
{
|
||||
/* Yes.. perform the fake interrupt if the interrutp is attached */
|
||||
|
||||
if (state->handler)
|
||||
{
|
||||
bool inserted = k64_cardinserted();
|
||||
(void)state->handler(&config->lower, state->arg, inserted);
|
||||
}
|
||||
|
||||
state->pending = false;
|
||||
}
|
||||
|
||||
leave_critical_section(flags);
|
||||
}
|
||||
|
||||
/************************************************************************************
|
||||
* Name: k64_inserted
|
||||
*
|
||||
* Description:
|
||||
* Check if a card is inserted into the slot.
|
||||
*
|
||||
* Input Parameters:
|
||||
* lower - An instance of the auto-mounter lower half state structure
|
||||
*
|
||||
* Returned Value:
|
||||
* True if the card is inserted; False otherwise
|
||||
*
|
||||
************************************************************************************/
|
||||
|
||||
static bool k64_inserted(FAR const struct automount_lower_s *lower)
|
||||
{
|
||||
FAR const struct k64_automount_config_s *config;
|
||||
|
||||
config = (FAR struct k64_automount_config_s *)lower;
|
||||
DEBUGASSERT(config && config->state);
|
||||
|
||||
return k64_cardinserted();
|
||||
}
|
||||
|
||||
/************************************************************************************
|
||||
* Public Functions
|
||||
************************************************************************************/
|
||||
|
||||
/************************************************************************************
|
||||
* Name: k64_automount_initialize
|
||||
*
|
||||
* Description:
|
||||
* Configure auto-mounters for each enable and so configured SDHC
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
************************************************************************************/
|
||||
|
||||
void k64_automount_initialize(void)
|
||||
{
|
||||
FAR void *handle;
|
||||
|
||||
finfo("Initializing automounter(s)\n");
|
||||
|
||||
/* Initialize the SDHC0 auto-mounter */
|
||||
|
||||
handle = automount_initialize(&g_sdhc_config.lower);
|
||||
if (!handle)
|
||||
{
|
||||
ferr("ERROR: Failed to initialize auto-mounter for SDHC0\n");
|
||||
}
|
||||
}
|
||||
|
||||
/************************************************************************************
|
||||
* Name: k64_automount_event
|
||||
*
|
||||
* Description:
|
||||
* The SDHC card detection logic has detected an insertion or removal event. It
|
||||
* has already scheduled the MMC/SD block driver operations. Now we need to
|
||||
* schedule the auto-mount event which will occur with a substantial delay to make
|
||||
* sure that everything has settle down.
|
||||
*
|
||||
* Input Parameters:
|
||||
* slotno - Identifies the SDHC0 slot: SDHC0_SLOTNO or SDHC1_SLOTNO. There is a
|
||||
* terminology problem here: Each SDHC supports two slots, slot A and slot B.
|
||||
* Only slot A is used. So this is not a really a slot, but an HSCMI peripheral
|
||||
* number.
|
||||
* inserted - True if the card is inserted in the slot. False otherwise.
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
* Assumptions:
|
||||
* Interrupts are disabled.
|
||||
*
|
||||
************************************************************************************/
|
||||
|
||||
void k64_automount_event(bool inserted)
|
||||
{
|
||||
FAR const struct k64_automount_config_s *config = &g_sdhc_config;
|
||||
FAR struct k64_automount_state_s *state = &g_sdhc_state;
|
||||
|
||||
/* Is the auto-mounter interrupt attached? */
|
||||
|
||||
if (state->handler)
|
||||
{
|
||||
/* Yes.. Have we been asked to hold off interrupts? */
|
||||
|
||||
if (!state->enable)
|
||||
{
|
||||
/* Yes.. just remember the there is a pending interrupt. We will
|
||||
* deliver the interrupt when interrupts are "re-enabled."
|
||||
*/
|
||||
|
||||
state->pending = true;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* No.. forward the event to the handler */
|
||||
|
||||
(void)state->handler(&config->lower, state->arg, inserted);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#endif /* HAVE_AUTOMOUNTER */
|
||||
@@ -0,0 +1,239 @@
|
||||
/****************************************************************************
|
||||
* config/freedom-k64f/src/k64_sdhc.c
|
||||
*
|
||||
* 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