Beginnings of STM32 F4 OTG FS device driver
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4551 42af7a65-404d-4744-a932-0658087f49c3
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patacongo
parent
ecffa0ea45
commit
39efc9e7f5
@ -56,6 +56,10 @@ ifeq ($(CONFIG_ARCH_BUTTONS),y)
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CSRCS += up_buttons.c
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endif
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ifeq ($(CONFIG_USBDEV),y)
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CSRCS += up_usbdev.c
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endif
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ifeq ($(CONFIG_STM32_FSMC),y)
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CSRCS += up_extmem.c up_selectsram.c up_deselectsram.c
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endif
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@ -127,6 +127,17 @@
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# endif
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#endif
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/* USB OTG FS
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*
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* PA9 VBUS_FS
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* PH5 OTG_FS_PowerSwitchOn
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* PF11 OTG_FS_Overcurrent
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*/
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#define GPIO_OTGFS_VBUS (GPIO_INPUT|GPIO_FLOAT|GPIO_SPEED_100MHz|GPIO_OPENDRAIN|GPIO_PORTA|GPIO_PIN9)
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#define GPIO_OTGFS_PWRON (GPIO_OUTPUT|GPIO_FLOAT|GPIO_SPEED_100MHz|GPIO_PUSHPULL|GPIO_PORTH|GPIO_PIN5)
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#define GPIO_OTGFS_OVER (GPIO_INPUT|GPIO_FLOAT|GPIO_SPEED_100MHz|GPIO_PUSHPULL|GPIO_PORTF|GPIO_PIN11)
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/****************************************************************************************************
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* Public Types
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****************************************************************************************************/
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121
configs/stm3240g-eval/src/up_usbdev.c
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121
configs/stm3240g-eval/src/up_usbdev.c
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@ -0,0 +1,121 @@
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/************************************************************************************
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* configs/stm3240g-eval/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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*
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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 <debug.h>
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#include <nuttx/usb/usbdev.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 "stm3240g-internal.h"
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/************************************************************************************
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* Definitions
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************************************************************************************/
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/************************************************************************************
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* Private Functions
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************************************************************************************/
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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 to setup USB-related GPIO pins for the STM3210E-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 */
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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_USB_PULLUP);
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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_usbpullup
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*
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* Description:
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* If USB is supported and the board supports a pullup via GPIO (for USB software
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* connect and disconnect), then the board software must provide stm32_pullup.
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* See include/nuttx/usb/usbdev.h for additional description of this method.
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* Alternatively, if no pull-up GPIO the following EXTERN can be redefined to be
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* NULL.
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*
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************************************************************************************/
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int stm32_usbpullup(FAR struct usbdev_s *dev, bool enable)
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{
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usbtrace(TRACE_DEVPULLUP, (uint16_t)enable);
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return OK;
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}
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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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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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@ -1,7 +1,7 @@
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############################################################################
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# configs/stm32f4discovery/src/Makefile
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#
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# Copyright (C) 2011 Gregory Nutt. All rights reserved.
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# Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
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# Redistribution and use in source and binary forms, with or without
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@ -56,6 +56,10 @@ ifeq ($(CONFIG_ARCH_BUTTONS),y)
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CSRCS += up_buttons.c
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endif
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ifeq ($(CONFIG_USBDEV),y)
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CSRCS += up_usbdev.c
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endif
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ifeq ($(CONFIG_PWM),y)
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CSRCS += up_pwm.c
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endif
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@ -93,9 +93,20 @@
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/* SPI chip selects */
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#define GPIO_CS_MEMS (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|\
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#define GPIO_CS_MEMS (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|\
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GPIO_OUTPUT_SET|GPIO_PORTE|GPIO_PIN3)
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/* USB OTG FS
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*
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* PA9 OTG_FS_VBUS VBUS sensing (also connected to the green LED)
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* PC0 OTG_FS_PowerSwitchOn
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* PD5 OTG_FS_Overcurrent
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*/
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#define GPIO_OTGFS_VBUS (GPIO_INPUT|GPIO_FLOAT|GPIO_SPEED_100MHz|GPIO_OPENDRAIN|GPIO_PORTA|GPIO_PIN9)
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#define GPIO_OTGFS_PWRON (GPIO_OUTPUT|GPIO_FLOAT|GPIO_SPEED_100MHz|GPIO_PUSHPULL|GPIO_PORTC|GPIO_PIN0)
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#define GPIO_OTGFS_OVER (GPIO_INPUT|GPIO_FLOAT|GPIO_SPEED_100MHz|GPIO_PUSHPULL|GPIO_PORTD|GPIO_PIN5)
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/****************************************************************************************************
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* Public Types
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****************************************************************************************************/
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121
configs/stm32f4discovery/src/up_usbdev.c
Normal file
121
configs/stm32f4discovery/src/up_usbdev.c
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@ -0,0 +1,121 @@
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/************************************************************************************
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* configs/stm32f4discovery/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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*
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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 <debug.h>
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#include <nuttx/usb/usbdev.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 "stm32f4discovery-internal.h"
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/************************************************************************************
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* Definitions
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************************************************************************************/
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/************************************************************************************
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* Private Functions
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************************************************************************************/
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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 to setup USB-related GPIO pins for the STM3210E-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 */
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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_USB_PULLUP);
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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_usbpullup
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*
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* Description:
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* If USB is supported and the board supports a pullup via GPIO (for USB software
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* connect and disconnect), then the board software must provide stm32_pullup.
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* See include/nuttx/usb/usbdev.h for additional description of this method.
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* Alternatively, if no pull-up GPIO the following EXTERN can be redefined to be
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* NULL.
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*
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************************************************************************************/
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int stm32_usbpullup(FAR struct usbdev_s *dev, bool enable)
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{
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usbtrace(TRACE_DEVPULLUP, (uint16_t)enable);
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return OK;
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}
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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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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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