usb_bsp.c

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/* Includes ------------------------------------------------------------------*/
#include "usb_bsp.h"
#include "usbd_conf.h"
#include "stm32f4xx_conf.h"


void USB_OTG_BSP_ConfigVBUS(USB_OTG_CORE_HANDLE *pdev) {
    (void)pdev;
}

void USB_OTG_BSP_DriveVBUS(USB_OTG_CORE_HANDLE *pdev,uint8_t state) {
    (void)pdev;
    (void)state;
}


void USB_OTG_BSP_Init(USB_OTG_CORE_HANDLE *pdev)
{
    (void)pdev;
    GPIO_InitTypeDef GPIO_InitStructure;

#ifndef USE_ULPI_PHY
#ifdef USB_OTG_FS_LOW_PWR_MGMT_SUPPORT
    EXTI_InitTypeDef EXTI_InitStructure;
    NVIC_InitTypeDef NVIC_InitStructure;
#endif
#endif

    NVIC_InitTypeDef NVIC_InitStructure;
#ifdef USE_USB_OTG_HS
    NVIC_InitStructure.NVIC_IRQChannel = OTG_HS_IRQn;
#else
    NVIC_InitStructure.NVIC_IRQChannel = OTG_FS_IRQn;
#endif
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
    NVIC_InitStructure.NVIC_IRQChannelCmd = DISABLE;
    NVIC_Init(&NVIC_InitStructure);

    RCC_AHB1PeriphClockCmd( RCC_AHB1Periph_GPIOA , ENABLE);

    /* Configure SOF VBUS ID DM DP Pins */
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11 | GPIO_Pin_12;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
    GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
    GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
    GPIO_Init(GPIOA, &GPIO_InitStructure);

    GPIO_PinAFConfig(GPIOA,GPIO_PinSource11,GPIO_AF_OTG1_FS) ;
    GPIO_PinAFConfig(GPIOA,GPIO_PinSource12,GPIO_AF_OTG1_FS) ;

    RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
    RCC_AHB2PeriphClockCmd(RCC_AHB2Periph_OTG_FS, ENABLE) ;

    /* enable the PWR clock */
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);

    EXTI_ClearITPendingBit(EXTI_Line0);
}
void USB_OTG_BSP_EnableInterrupt(USB_OTG_CORE_HANDLE *pdev)
{
    (void)pdev;
    NVIC_InitTypeDef NVIC_InitStructure;

#ifdef USE_USB_OTG_HS
    NVIC_InitStructure.NVIC_IRQChannel = OTG_HS_IRQn;
#else
    NVIC_InitStructure.NVIC_IRQChannel = OTG_FS_IRQn;
#endif
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);
#ifdef USB_OTG_HS_DEDICATED_EP1_ENABLED
    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
    NVIC_InitStructure.NVIC_IRQChannel = OTG_HS_EP1_OUT_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);

    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
    NVIC_InitStructure.NVIC_IRQChannel = OTG_HS_EP1_IN_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);
#endif
}
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunsafe-loop-optimizations"
void USB_OTG_BSP_uDelay (const uint32_t usec)
{
  uint32_t count = 0;
  const uint32_t utime = (120 * usec / 7);
  do
  {
    if ( ++count > utime )
    {
      return ;
    }
  }
  while (1);
}
#pragma GCC diagnostic pop

void USB_OTG_BSP_mDelay (const uint32_t msec)
{
  USB_OTG_BSP_uDelay(msec * 1000);
}
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/