diff options
Diffstat (limited to 'nuttx/configs/stm32f4discovery/src/up_usbdev.c')
-rw-r--r-- | nuttx/configs/stm32f4discovery/src/up_usbdev.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/nuttx/configs/stm32f4discovery/src/up_usbdev.c b/nuttx/configs/stm32f4discovery/src/up_usbdev.c new file mode 100644 index 000000000..c93e734a1 --- /dev/null +++ b/nuttx/configs/stm32f4discovery/src/up_usbdev.c @@ -0,0 +1,121 @@ +/************************************************************************************ + * configs/stm32f4discovery/src/up_usbdev.c + * arch/arm/src/board/up_boot.c + * + * Copyright (C) 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 <sys/types.h> +#include <stdint.h> +#include <stdbool.h> +#include <debug.h> + +#include <nuttx/usb/usbdev.h> +#include <nuttx/usb/usbdev_trace.h> + +#include "up_arch.h" +#include "stm32_internal.h" +#include "stm32f4discovery-internal.h" + +/************************************************************************************ + * Definitions + ************************************************************************************/ + +/************************************************************************************ + * Private Functions + ************************************************************************************/ + +/************************************************************************************ + * Public Functions + ************************************************************************************/ + +/************************************************************************************ + * Name: stm32_usbinitialize + * + * Description: + * Called to setup USB-related GPIO pins for the STM3210E-EVAL board. + * + ************************************************************************************/ + +void stm32_usbinitialize(void) +{ + /* The OTG FS has an internal soft pull-up */ + + /* Configure the OTG FS VBUS sensing GPIO, Power On, and Overcurrent GPIOs */ + +#ifdef CONFIG_STM32_OTGFS + stm32_configgpio(GPIO_USB_PULLUP); + stm32_configgpio(GPIO_OTGFS_PWRON); + stm32_configgpio(GPIO_OTGFS_OVER); +#endif +} + +/************************************************************************************ + * Name: stm32_usbpullup + * + * Description: + * If USB is supported and the board supports a pullup via GPIO (for USB software + * connect and disconnect), then the board software must provide stm32_pullup. + * See include/nuttx/usb/usbdev.h for additional description of this method. + * Alternatively, if no pull-up GPIO the following EXTERN can be redefined to be + * NULL. + * + ************************************************************************************/ + +int stm32_usbpullup(FAR struct usbdev_s *dev, bool enable) +{ + usbtrace(TRACE_DEVPULLUP, (uint16_t)enable); + return OK; +} + +/************************************************************************************ + * Name: stm32_usbsuspend + * + * Description: + * Board logic must provide the stm32_usbsuspend logic if the USBDEV driver is + * used. This function is called whenever the USB enters or leaves suspend mode. + * This is an opportunity for the board logic to shutdown clocks, power, etc. + * while the USB is suspended. + * + ************************************************************************************/ + +void stm32_usbsuspend(FAR struct usbdev_s *dev, bool resume) +{ + ulldbg("resume: %d\n", resume); +} + |