/*------------------------------------------------------------------------------
--  This file is a part of the libuc, microcontroler library
--  Copyright (C) 2014, Alexis Jeandet
--
--  This program is free software; you can redistribute it and/or modify
--  it under the terms of the GNU General Public License as published by
--  the Free Software Foundation; either version 3 of the License, or
--  (at your option) any later version.
--
--  This program is distributed in the hope that it will be useful,
--  but WITHOUT ANY WARRANTY; without even the implied warranty of
--  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--  GNU General Public License for more details.
--
--  You should have received a copy of the GNU General Public License
--  along with this program; if not, write to the Free Software
--  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-------------------------------------------------------------------------------
--                 Author : Alexis Jeandet
--                   Mail : alexis.jeandet@member.fsf.org
-------------------------------------------------------------------------------*/

#include <usbdev.h>
#include <gpio.h>
#include <stm32f4xx_gpio.h>
#include <core.h>
#include <stm32f4xx_rcc.h>
//#include <usb_core.h>

int usbfsopen(uint32_t DATAPpin,uint32_t DATAMpin,uint32_t VBUSpin,uint32_t IDpin)
{

    RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
    gpio_t DP,DM,VBUS,ID;
    DP = gpioopen(DATAPpin);
    DM = gpioopen(DATAMpin);
    VBUS = gpioopen(VBUSpin);
    ID = gpioopen(IDpin);
    DP |= gpiohighspeed | gpioaf | gpiopushpulltype | gpionopulltype;
    DM |= gpiohighspeed | gpioaf | gpiopushpulltype | gpionopulltype;
    VBUS |= gpiohighspeed | gpioindir | gpioopendraintype | gpionopulltype;
    ID |= gpiohighspeed | gpioaf | gpiopushpulltype | gpionopulltype;
    gpiosetconfig(&DP);
    gpiosetconfig(&DM);
    gpiosetconfig(&ID);
    gpiosetconfig(&VBUS);

    GPIO_PinAFConfig(GPIOGETPORT(DP), (uint8_t)(DP & 0xF), GPIO_AF_OTG1_FS);
    GPIO_PinAFConfig(GPIOGETPORT(DM), (uint8_t)(DM & 0xF), GPIO_AF_OTG1_FS);
    GPIO_PinAFConfig(GPIOGETPORT(ID), (uint8_t)(ID & 0xF), GPIO_AF_OTG1_FS);

    RCC_AHB2PeriphClockCmd(RCC_AHB2Periph_OTG_FS, ENABLE) ;

    return 0;
}

int usbdevopen(usbDev*dev, uint32_t DATAPpin,uint32_t DATAMpin,uint32_t VBUSpin,uint32_t IDpin,int USBSpeed,int usbmode)
{
    if(USBSpeed==USB_FullSpeed)
    {
        return usbfsopen(PA12,PA11,PA9,PA10);  //fixed pins on STM32F4
    }
    return -1;
}