/**************************************************************************** * boards/arm/kinetis/freedom-k28f/src/k28_usbdev.c * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. The * ASF licenses this file to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the * License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include #include #include #include "arm_arch.h" #include "kinetis.h" #include "kinetis_usbotg.h" #include "hardware/kinetis_sim.h" #include "freedom-k28f.h" /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ #define khci_getreg(addr) getreg8(addr) #define khci_putreg(val,addr) putreg8(val,addr) /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: k28_usbdev_initialize * * Description: * Called to setup USB-related GPIO pins for the KwikStik-K40 board. * ****************************************************************************/ void k28_usbdev_initialize(void) { } /**************************************************************************** * Name: kinetis_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 * kinetis_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 kinetis_usbpullup(FAR struct usbdev_s *dev, bool enable) { usbtrace(TRACE_DEVPULLUP, (uint16_t)enable); #if 0 uint32_t regval; #endif if (enable) { khci_putreg(USB_CONTROL_DPPULLUPNONOTG, KINETIS_USB0_CONTROL); } else { khci_putreg(0, KINETIS_USB0_CONTROL); } #if 0 regval = khci_getreg(KINETIS_USB0_OTGCTL); if (enable) { regval |= (1 << 2); } else { regval &= ~(1 << 2); } khci_putreg(regval, KINETIS_USB0_OTGCTL); #endif return OK; } /**************************************************************************** * Name: kinetis_usbsuspend * * Description: * Board logic must provide the kinetis_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 kinetis_usbsuspend(FAR struct usbdev_s *dev, bool resume) { uinfo("resume: %d\n", resume); #warning "Missing logic" }