/************************************************************************************ * configs/stm32_tiny/src/stm32_usbdev.c * * Copyright (C) 2009-2011, 2013 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * Laurent Latil * * 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 #include #include #include #include #include #include #include "up_arch.h" #include "stm32.h" #include "stm32_tiny.h" /************************************************************************************ * Pre-processor Definitions ************************************************************************************/ /************************************************************************************ * Private Functions ************************************************************************************/ /************************************************************************************ * Public Functions ************************************************************************************/ /************************************************************************************ * Name: stm32_usbinitialize * * Description: * Called to setup USB-related GPIO pins for the Hy-Mini STM32v board. * ************************************************************************************/ void stm32_usbinitialize(void) { uinfo("called\n"); /* USB Soft Connect Pullup */ stm32_configgpio(GPIO_USB_PULLUP); } /************************************************************************************ * 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); stm32_gpiowrite(GPIO_USB_PULLUP, !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) { uinfo("resume: %d\n", resume); }