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configs/cloudctrl and tools/prebuild.py from Darcy Gong
git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5378 42af7a65-404d-4744-a932-0658087f49c3
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patacongo
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/************************************************************************************
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* configs/cloudctrl/src/up_usbdev.c
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* arch/arm/src/board/up_boot.c
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*
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* Copyright (C) 2012 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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* Darcy Gong <darcy.gong@gmail.com>
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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
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* 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
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* without specific prior written permission.
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*
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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
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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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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#include <sys/types.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <sched.h>
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#include <errno.h>
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#include <debug.h>
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#include <nuttx/usb/usbdev.h>
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#include <nuttx/usb/usbhost.h>
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#include <nuttx/usb/usbdev_trace.h>
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#include "up_arch.h"
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#include "stm32_internal.h"
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#include "cloudctrl-internal.h"
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#ifdef CONFIG_STM32_OTGFS
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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#if defined(CONFIG_USBDEV) || defined(CONFIG_USBHOST)
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# define HAVE_USB 1
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#else
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# warning "CONFIG_STM32_OTGFS is enabled but neither CONFIG_USBDEV nor CONFIG_USBHOST"
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# undef HAVE_USB
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#endif
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#ifndef CONFIG_USBHOST_DEFPRIO
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# define CONFIG_USBHOST_DEFPRIO 50
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#endif
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#ifndef CONFIG_USBHOST_STACKSIZE
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# define CONFIG_USBHOST_STACKSIZE 1024
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#endif
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/************************************************************************************
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* Private Data
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************************************************************************************/
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#ifdef CONFIG_USBHOST
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static struct usbhost_driver_s *g_drvr;
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#endif
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/************************************************************************************
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* Private Functions
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************************************************************************************/
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/************************************************************************************
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* Name: usbhost_waiter
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*
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* Description:
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* Wait for USB devices to be connected.
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*
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************************************************************************************/
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#ifdef CONFIG_USBHOST
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static int usbhost_waiter(int argc, char *argv[])
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{
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bool connected = false;
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int ret;
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uvdbg("Running\n");
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for (;;)
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{
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/* Wait for the device to change state */
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ret = DRVR_WAIT(g_drvr, connected);
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DEBUGASSERT(ret == OK);
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connected = !connected;
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uvdbg("%s\n", connected ? "connected" : "disconnected");
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/* Did we just become connected? */
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if (connected)
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{
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/* Yes.. enumerate the newly connected device */
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(void)DRVR_ENUMERATE(g_drvr);
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}
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}
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/* Keep the compiler from complaining */
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return 0;
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}
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#endif
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/************************************************************************************
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* Public Functions
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************************************************************************************/
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/************************************************************************************
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* Name: stm32_usbinitialize
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*
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* Description:
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* Called from stm32_usbinitialize very early in inialization to setup USB-related
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* GPIO pins for the STM3240G-EVAL board.
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*
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************************************************************************************/
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void stm32_usbinitialize(void)
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{
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/* The OTG FS has an internal soft pull-up. No GPIO configuration is required */
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/* Configure the OTG FS VBUS sensing GPIO, Power On, and Overcurrent GPIOs */
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#ifdef CONFIG_STM32_OTGFS
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stm32_configgpio(GPIO_OTGFS_VBUS);
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stm32_configgpio(GPIO_OTGFS_PWRON);
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stm32_configgpio(GPIO_OTGFS_OVER);
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#endif
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}
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/***********************************************************************************
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* Name: stm32_usbhost_initialize
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*
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* Description:
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* Called at application startup time to initialize the USB host functionality.
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* This function will start a thread that will monitor for device
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* connection/disconnection events.
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*
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***********************************************************************************/
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#ifdef CONFIG_USBHOST
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int stm32_usbhost_initialize(void)
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{
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int pid;
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int ret;
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/* First, register all of the class drivers needed to support the drivers
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* that we care about:
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*/
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uvdbg("Register class drivers\n");
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ret = usbhost_storageinit();
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if (ret != OK)
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{
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udbg("Failed to register the mass storage class\n");
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}
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/* Then get an instance of the USB host interface */
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uvdbg("Initialize USB host\n");
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g_drvr = usbhost_initialize(0);
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if (g_drvr)
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{
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/* Start a thread to handle device connection. */
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uvdbg("Start usbhost_waiter\n");
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pid = TASK_CREATE("usbhost", CONFIG_USBHOST_DEFPRIO,
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CONFIG_USBHOST_STACKSIZE,
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(main_t)usbhost_waiter, (const char **)NULL);
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return pid < 0 ? -ENOEXEC : OK;
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}
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return -ENODEV;
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}
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#endif
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/***********************************************************************************
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* Name: stm32_usbhost_vbusdrive
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*
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* Description:
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* Enable/disable driving of VBUS 5V output. This function must be provided be
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* each platform that implements the STM32 OTG FS host interface
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*
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* "On-chip 5 V VBUS generation is not supported. For this reason, a charge pump
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* or, if 5 V are available on the application board, a basic power switch, must
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* be added externally to drive the 5 V VBUS line. The external charge pump can
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* be driven by any GPIO output. When the application decides to power on VBUS
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* using the chosen GPIO, it must also set the port power bit in the host port
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* control and status register (PPWR bit in OTG_FS_HPRT).
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*
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* "The application uses this field to control power to this port, and the core
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* clears this bit on an overcurrent condition."
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*
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* Input Parameters:
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* iface - For future growth to handle multiple USB host interface. Should be zero.
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* enable - true: enable VBUS power; false: disable VBUS power
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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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#ifdef CONFIG_USBHOST
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void stm32_usbhost_vbusdrive(int iface, bool enable)
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{
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DEBUGASSERT(iface == 0);
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if (enable)
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{
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/* Enable the Power Switch by driving the enable pin low */
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stm32_gpiowrite(GPIO_OTGFS_PWRON, false);
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}
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else
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{
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/* Disable the Power Switch by driving the enable pin high */
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stm32_gpiowrite(GPIO_OTGFS_PWRON, true);
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}
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}
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#endif
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/************************************************************************************
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* Name: stm32_setup_overcurrent
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*
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* Description:
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* Setup to receive an interrupt-level callback if an overcurrent condition is
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* detected.
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*
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* Input paramter:
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* handler - New overcurrent interrupt handler
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*
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* Returned value:
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* Old overcurrent interrupt handler
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*
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************************************************************************************/
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#ifdef CONFIG_USBHOST
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xcpt_t stm32_setup_overcurrent(xcpt_t handler)
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{
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return NULL;
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}
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#endif
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/************************************************************************************
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* Name: stm32_usbsuspend
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*
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* Description:
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* Board logic must provide the stm32_usbsuspend logic if the USBDEV driver is
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* used. This function is called whenever the USB enters or leaves suspend mode.
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* This is an opportunity for the board logic to shutdown clocks, power, etc.
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* while the USB is suspended.
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*
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************************************************************************************/
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#ifdef CONFIG_USBDEV
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void stm32_usbsuspend(FAR struct usbdev_s *dev, bool resume)
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{
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ulldbg("resume: %d\n", resume);
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}
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#endif
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#endif /* CONFIG_STM32_OTGFS */
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