rtt-f030/bsp/stm32f4xx-HAL/drivers/drv_usbd.c

274 lines
7.0 KiB
C

/*
* File : stm32_usbd.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2015, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2017-10-30 ZYH the first version
*/
#include "drv_usbd.h"
#include <rtthread.h>
#include <rtdevice.h>
#include "board.h"
//#define USB_DISCONNECT_PIN 30 //PA9
static PCD_HandleTypeDef _stm_pcd;
static struct udcd _stm_udc;
static struct ep_id _ep_pool[] =
{
{0x0, USB_EP_ATTR_CONTROL, USB_DIR_INOUT, 64, ID_ASSIGNED },
{0x1, USB_EP_ATTR_BULK, USB_DIR_IN, 64, ID_UNASSIGNED},
{0x1, USB_EP_ATTR_BULK, USB_DIR_OUT, 64, ID_UNASSIGNED},
{0x2, USB_EP_ATTR_INT, USB_DIR_IN, 64, ID_UNASSIGNED},
{0x2, USB_EP_ATTR_INT, USB_DIR_OUT, 64, ID_UNASSIGNED},
{0x3, USB_EP_ATTR_BULK, USB_DIR_IN, 64, ID_UNASSIGNED},
{0x3, USB_EP_ATTR_BULK, USB_DIR_OUT, 64, ID_UNASSIGNED},
{0xFF, USB_EP_ATTR_TYPE_MASK, USB_DIR_MASK, 0, ID_ASSIGNED },
};
void OTG_FS_IRQHandler(void)
{
rt_interrupt_enter();
HAL_PCD_IRQHandler(&_stm_pcd);
/* leave interrupt */
rt_interrupt_leave();
}
void HAL_PCD_ResetCallback(PCD_HandleTypeDef *pcd)
{
/* open ep0 OUT and IN */
HAL_PCD_EP_Open(pcd, 0x00, 0x40, EP_TYPE_CTRL);
HAL_PCD_EP_Open(pcd, 0x80, 0x40, EP_TYPE_CTRL);
rt_usbd_reset_handler(&_stm_udc);
}
void HAL_PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd)
{
rt_usbd_ep0_setup_handler(&_stm_udc, (struct urequest *)hpcd->Setup);
}
void HAL_PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
{
if (epnum == 0)
{
rt_usbd_ep0_in_handler(&_stm_udc);
}
else
{
rt_usbd_ep_in_handler(&_stm_udc, 0x80 | epnum, hpcd->IN_ep[epnum].xfer_count);
}
}
void HAL_PCD_ConnectCallback(PCD_HandleTypeDef *hpcd)
{
rt_usbd_connect_handler(&_stm_udc);
}
void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd)
{
rt_usbd_sof_handler(&_stm_udc);
}
void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd)
{
rt_usbd_disconnect_handler(&_stm_udc);
}
void HAL_PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
{
if (epnum != 0)
{
rt_usbd_ep_out_handler(&_stm_udc, epnum, hpcd->OUT_ep[epnum].xfer_count);
}
else
{
rt_usbd_ep0_out_handler(&_stm_udc, hpcd->OUT_ep[0].xfer_count);
}
}
void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state)
{
if (state == 1)
{
}
else
{
}
}
void HAL_PCD_MspInit(PCD_HandleTypeDef *pcdHandle)
{
GPIO_InitTypeDef GPIO_InitStruct;
if (pcdHandle->Instance == USB_OTG_FS)
{
/* USER CODE BEGIN USB_MspInit 0 */
__HAL_RCC_GPIOA_CLK_ENABLE();
GPIO_InitStruct.Pin = GPIO_PIN_11 | GPIO_PIN_12;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* Peripheral clock enable */
__HAL_RCC_USB_OTG_FS_CLK_ENABLE();
/* Peripheral interrupt init */
HAL_NVIC_SetPriority(OTG_FS_IRQn, 5, 0);
HAL_NVIC_EnableIRQ(OTG_FS_IRQn);
}
}
void HAL_PCD_MspDeInit(PCD_HandleTypeDef *pcdHandle)
{
if (pcdHandle->Instance == USB_OTG_FS)
{
/* Peripheral clock disable */
__HAL_RCC_USB_OTG_FS_CLK_DISABLE();
/**USB_OTG_FS GPIO Configuration
PA11 ------> USB_OTG_FS_DM
PA12 ------> USB_OTG_FS_DP
*/
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_11 | GPIO_PIN_12);
/* Peripheral interrupt Deinit*/
HAL_NVIC_DisableIRQ(OTG_FS_IRQn);
}
}
static rt_err_t _ep_set_stall(rt_uint8_t address)
{
HAL_PCD_EP_SetStall(&_stm_pcd, address);
return RT_EOK;
}
static rt_err_t _ep_clear_stall(rt_uint8_t address)
{
HAL_PCD_EP_ClrStall(&_stm_pcd, address);
return RT_EOK;
}
static rt_err_t _set_address(rt_uint8_t address)
{
HAL_PCD_SetAddress(&_stm_pcd, address);
return RT_EOK;
}
static rt_err_t _set_config(rt_uint8_t address)
{
return RT_EOK;
}
static rt_err_t _ep_enable(uep_t ep)
{
RT_ASSERT(ep != RT_NULL);
RT_ASSERT(ep->ep_desc != RT_NULL);
HAL_PCD_EP_Open(&_stm_pcd, ep->ep_desc->bEndpointAddress,
ep->ep_desc->wMaxPacketSize, ep->ep_desc->bmAttributes);
return RT_EOK;
}
static rt_err_t _ep_disable(uep_t ep)
{
RT_ASSERT(ep != RT_NULL);
RT_ASSERT(ep->ep_desc != RT_NULL);
HAL_PCD_EP_Close(&_stm_pcd, ep->ep_desc->bEndpointAddress);
return RT_EOK;
}
static rt_size_t _ep_read(rt_uint8_t address, void *buffer)
{
rt_size_t size = 0;
RT_ASSERT(buffer != RT_NULL);
return size;
}
static rt_size_t _ep_read_prepare(rt_uint8_t address, void *buffer, rt_size_t size)
{
HAL_PCD_EP_Receive(&_stm_pcd, address, buffer, size);
return size;
}
static rt_size_t _ep_write(rt_uint8_t address, void *buffer, rt_size_t size)
{
HAL_PCD_EP_Transmit(&_stm_pcd, address, buffer, size);
return size;
}
static rt_err_t _ep0_send_status(void)
{
HAL_PCD_EP_Transmit(&_stm_pcd, 0x00, NULL, 0);
return RT_EOK;
}
static rt_err_t _suspend(void)
{
return RT_EOK;
}
static rt_err_t _wakeup(void)
{
return RT_EOK;
}
static rt_err_t _init(rt_device_t device)
{
PCD_HandleTypeDef *pcd;
/* Set LL Driver parameters */
pcd = (PCD_HandleTypeDef *)device->user_data;
pcd->Instance = USB_OTG_FS;
pcd->Init.dev_endpoints = 4;
pcd->Init.speed = PCD_SPEED_FULL;
pcd->Init.dma_enable = DISABLE;
pcd->Init.ep0_mps = DEP0CTL_MPS_64;
pcd->Init.phy_itface = PCD_PHY_EMBEDDED;
pcd->Init.Sof_enable = DISABLE;
pcd->Init.low_power_enable = DISABLE;
pcd->Init.lpm_enable = DISABLE;
pcd->Init.vbus_sensing_enable = DISABLE;
pcd->Init.use_dedicated_ep1 = DISABLE;
/* Initialize LL Driver */
HAL_PCD_Init(pcd);
HAL_PCDEx_SetRxFiFo(pcd, 0x80);
HAL_PCDEx_SetTxFiFo(pcd, 0, 0x40);
HAL_PCDEx_SetTxFiFo(pcd, 1, 0x40);
HAL_PCDEx_SetTxFiFo(pcd, 2, 0x40);
HAL_PCDEx_SetTxFiFo(pcd, 3, 0x40);
HAL_PCD_Start(pcd);
return RT_EOK;
}
const static struct udcd_ops _udc_ops =
{
_set_address,
_set_config,
_ep_set_stall,
_ep_clear_stall,
_ep_enable,
_ep_disable,
_ep_read_prepare,
_ep_read,
_ep_write,
_ep0_send_status,
_suspend,
_wakeup,
};
int stm_usbd_register(void)
{
rt_memset((void *)&_stm_udc, 0, sizeof(struct udcd));
_stm_udc.parent.type = RT_Device_Class_USBDevice;
_stm_udc.parent.init = _init;
_stm_udc.parent.user_data = &_stm_pcd;
_stm_udc.ops = &_udc_ops;
/* Register endpoint infomation */
_stm_udc.ep_pool = _ep_pool;
_stm_udc.ep0.id = &_ep_pool[0];
rt_device_register((rt_device_t)&_stm_udc, "usbd", 0);
rt_usb_device_init();
return RT_EOK;
}
INIT_DEVICE_EXPORT(stm_usbd_register);