280 lines
8.3 KiB
C
280 lines
8.3 KiB
C
|
/*
|
||
|
|
* File : stm32_usbh.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_usbh.h"
|
||
|
|
#include <rtthread.h>
|
||
|
|
#include <rtdevice.h>
|
||
|
|
#include "board.h"
|
||
|
|
#define OTG_FS_PORT 1
|
||
|
|
static HCD_HandleTypeDef _stm_hhcd_fs;
|
||
|
|
static struct rt_completion urb_completion;
|
||
|
|
void HAL_HCD_MspInit(HCD_HandleTypeDef *hcdHandle)
|
||
|
|
{
|
||
|
|
GPIO_InitTypeDef GPIO_InitStruct;
|
||
|
|
if (hcdHandle->Instance == USB_OTG_FS)
|
||
|
|
{
|
||
|
|
/**USB_OTG_FS GPIO Configuration
|
||
|
|
PA9 ------> USB_OTG_FS_VBUS
|
||
|
|
PA10 ------> USB_OTG_FS_ID
|
||
|
|
PA11 ------> USB_OTG_FS_DM
|
||
|
|
PA12 ------> USB_OTG_FS_DP
|
||
|
|
*/
|
||
|
|
__HAL_RCC_GPIOA_CLK_ENABLE();
|
||
|
|
#ifdef USBH_USING_VBUS
|
||
|
|
GPIO_InitStruct.Pin = GPIO_PIN_9;
|
||
|
|
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
|
||
|
|
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
||
|
|
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
|
||
|
|
#endif
|
||
|
|
GPIO_InitStruct.Pin = GPIO_PIN_12 | GPIO_PIN_11;
|
||
|
|
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
|
||
|
|
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
||
|
|
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
|
||
|
|
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_HCD_MspDeInit(HCD_HandleTypeDef *hcdHandle)
|
||
|
|
{
|
||
|
|
if (hcdHandle->Instance == USB_OTG_FS)
|
||
|
|
{
|
||
|
|
/* Peripheral clock disable */
|
||
|
|
__HAL_RCC_USB_OTG_FS_CLK_DISABLE();
|
||
|
|
|
||
|
|
/**USB_OTG_FS GPIO Configuration
|
||
|
|
PA9 ------> USB_OTG_FS_VBUS
|
||
|
|
PA10 ------> USB_OTG_FS_ID
|
||
|
|
PA11 ------> USB_OTG_FS_DM
|
||
|
|
PA12 ------> USB_OTG_FS_DP
|
||
|
|
*/
|
||
|
|
#ifdef USBH_USING_VBUS
|
||
|
|
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9);
|
||
|
|
#endif
|
||
|
|
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_12 | GPIO_PIN_11);
|
||
|
|
|
||
|
|
/* Peripheral interrupt Deinit*/
|
||
|
|
HAL_NVIC_DisableIRQ(OTG_FS_IRQn);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
void OTG_FS_IRQHandler(void)
|
||
|
|
{
|
||
|
|
rt_interrupt_enter();
|
||
|
|
HAL_HCD_IRQHandler(&_stm_hhcd_fs);
|
||
|
|
rt_interrupt_leave();
|
||
|
|
}
|
||
|
|
void HAL_HCD_SOF_Callback(HCD_HandleTypeDef *hhcd)//提供定时器
|
||
|
|
{
|
||
|
|
//rt_kprintf("sof callback\n");
|
||
|
|
}
|
||
|
|
static __IO rt_bool_t connect_status = RT_FALSE;
|
||
|
|
void HAL_HCD_Connect_Callback(HCD_HandleTypeDef *hhcd)
|
||
|
|
{
|
||
|
|
uhcd_t hcd = (uhcd_t)hhcd->pData;
|
||
|
|
if (!connect_status)
|
||
|
|
{
|
||
|
|
connect_status = RT_TRUE;
|
||
|
|
RT_DEBUG_LOG(RT_DEBUG_USB, ("connected\n"));
|
||
|
|
rt_usbh_root_hub_connect_handler(hcd, OTG_FS_PORT, RT_FALSE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
void HAL_HCD_Disconnect_Callback(HCD_HandleTypeDef *hhcd)
|
||
|
|
{
|
||
|
|
uhcd_t hcd = (uhcd_t)hhcd->pData;
|
||
|
|
if (connect_status)
|
||
|
|
{
|
||
|
|
connect_status = RT_FALSE;
|
||
|
|
RT_DEBUG_LOG(RT_DEBUG_USB, ("disconnnect\n"));
|
||
|
|
rt_usbh_root_hub_disconnect_handler(hcd, OTG_FS_PORT);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
void HAL_HCD_HC_NotifyURBChange_Callback(HCD_HandleTypeDef *hhcd, uint8_t chnum, HCD_URBStateTypeDef urb_state)
|
||
|
|
{
|
||
|
|
//rt_kprintf("NotifyURBChange_Callback\n");
|
||
|
|
rt_completion_done(&urb_completion);
|
||
|
|
}
|
||
|
|
static rt_err_t drv_reset_port(rt_uint8_t port)
|
||
|
|
{
|
||
|
|
RT_DEBUG_LOG(RT_DEBUG_USB, ("reset port\n"));
|
||
|
|
HAL_HCD_ResetPort(&_stm_hhcd_fs);
|
||
|
|
return RT_EOK;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int drv_pipe_xfer(upipe_t pipe, rt_uint8_t token, void *buffer, int nbytes, int timeout)
|
||
|
|
{
|
||
|
|
while (1)
|
||
|
|
{
|
||
|
|
if(!connect_status)
|
||
|
|
{
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
rt_completion_init(&urb_completion);
|
||
|
|
HAL_HCD_HC_SubmitRequest(&_stm_hhcd_fs,
|
||
|
|
pipe->pipe_index,
|
||
|
|
(pipe->ep.bEndpointAddress & 0x80) >> 7,
|
||
|
|
pipe->ep.bmAttributes,
|
||
|
|
token,
|
||
|
|
buffer,
|
||
|
|
nbytes,
|
||
|
|
0);
|
||
|
|
rt_completion_wait(&urb_completion, timeout);
|
||
|
|
if (HAL_HCD_HC_GetState(&_stm_hhcd_fs, pipe->pipe_index) == HC_NAK)
|
||
|
|
{
|
||
|
|
RT_DEBUG_LOG(RT_DEBUG_USB, ("nak\n"));
|
||
|
|
if (pipe->ep.bmAttributes == USB_EP_ATTR_INT)
|
||
|
|
{
|
||
|
|
rt_thread_delay((pipe->ep.bInterval * RT_TICK_PER_SECOND / 1000) > 0 ? (pipe->ep.bInterval * RT_TICK_PER_SECOND / 1000) : 1);
|
||
|
|
}
|
||
|
|
HAL_HCD_HC_Halt(&_stm_hhcd_fs, pipe->pipe_index);
|
||
|
|
HAL_HCD_HC_Init(&_stm_hhcd_fs,
|
||
|
|
pipe->pipe_index,
|
||
|
|
pipe->ep.bEndpointAddress,
|
||
|
|
pipe->inst->address,
|
||
|
|
USB_OTG_SPEED_FULL,
|
||
|
|
pipe->ep.bmAttributes,
|
||
|
|
pipe->ep.wMaxPacketSize);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
else if(HAL_HCD_HC_GetState(&_stm_hhcd_fs, pipe->pipe_index) == HC_STALL)
|
||
|
|
{
|
||
|
|
RT_DEBUG_LOG(RT_DEBUG_USB, ("stall\n"));
|
||
|
|
pipe->status = UPIPE_STATUS_STALL;
|
||
|
|
if (pipe->callback != RT_NULL)
|
||
|
|
{
|
||
|
|
pipe->callback(pipe);
|
||
|
|
}
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
else if(HAL_HCD_HC_GetState(&_stm_hhcd_fs, pipe->pipe_index) == URB_ERROR)
|
||
|
|
{
|
||
|
|
RT_DEBUG_LOG(RT_DEBUG_USB, ("error\n"));
|
||
|
|
pipe->status = UPIPE_STATUS_ERROR;
|
||
|
|
if (pipe->callback != RT_NULL)
|
||
|
|
{
|
||
|
|
pipe->callback(pipe);
|
||
|
|
}
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
else if (HAL_HCD_HC_GetURBState(&_stm_hhcd_fs, pipe->pipe_index) != URB_NOTREADY &&
|
||
|
|
HAL_HCD_HC_GetURBState(&_stm_hhcd_fs, pipe->pipe_index) != URB_NYET)
|
||
|
|
{
|
||
|
|
RT_DEBUG_LOG(RT_DEBUG_USB, ("ok\n"));
|
||
|
|
pipe->status = UPIPE_STATUS_OK;
|
||
|
|
if (pipe->callback != RT_NULL)
|
||
|
|
{
|
||
|
|
pipe->callback(pipe);
|
||
|
|
}
|
||
|
|
return nbytes;
|
||
|
|
}
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
static rt_uint16_t pipe_index = 0;
|
||
|
|
static rt_uint8_t drv_get_free_pipe_index()
|
||
|
|
{
|
||
|
|
rt_uint8_t idx;
|
||
|
|
for (idx = 1; idx < 16; idx++)
|
||
|
|
{
|
||
|
|
if (!(pipe_index & (0x01 << idx)))
|
||
|
|
{
|
||
|
|
pipe_index |= (0x01 << idx);
|
||
|
|
return idx;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return 0xff;
|
||
|
|
}
|
||
|
|
static void drv_free_pipe_index(rt_uint8_t index)
|
||
|
|
{
|
||
|
|
pipe_index &= ~(0x01 << index);
|
||
|
|
}
|
||
|
|
static rt_err_t drv_open_pipe(upipe_t pipe)
|
||
|
|
{
|
||
|
|
pipe->pipe_index = drv_get_free_pipe_index();
|
||
|
|
|
||
|
|
HAL_HCD_HC_Init(&_stm_hhcd_fs,
|
||
|
|
pipe->pipe_index,
|
||
|
|
pipe->ep.bEndpointAddress,
|
||
|
|
pipe->inst->address,
|
||
|
|
USB_OTG_SPEED_FULL,
|
||
|
|
pipe->ep.bmAttributes,
|
||
|
|
pipe->ep.wMaxPacketSize);
|
||
|
|
/* Set DATA0 PID token*/
|
||
|
|
if(_stm_hhcd_fs.hc[pipe->pipe_index].ep_is_in)
|
||
|
|
{
|
||
|
|
_stm_hhcd_fs.hc[pipe->pipe_index].toggle_in = 0;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
_stm_hhcd_fs.hc[pipe->pipe_index].toggle_out = 0;
|
||
|
|
}
|
||
|
|
return RT_EOK;
|
||
|
|
}
|
||
|
|
static rt_err_t drv_close_pipe(upipe_t pipe)
|
||
|
|
{
|
||
|
|
HAL_HCD_HC_Halt(&_stm_hhcd_fs, pipe->pipe_index);
|
||
|
|
drv_free_pipe_index(pipe->pipe_index);
|
||
|
|
return RT_EOK;
|
||
|
|
}
|
||
|
|
|
||
|
|
struct uhcd_ops _uhcd_ops =
|
||
|
|
{
|
||
|
|
drv_reset_port,
|
||
|
|
drv_pipe_xfer,
|
||
|
|
drv_open_pipe,
|
||
|
|
drv_close_pipe,
|
||
|
|
};
|
||
|
|
|
||
|
|
static rt_err_t _init(rt_device_t device)
|
||
|
|
{
|
||
|
|
HCD_HandleTypeDef *hhcd = (HCD_HandleTypeDef *)device->user_data;
|
||
|
|
hhcd->Instance = USB_OTG_FS;
|
||
|
|
hhcd->Init.Host_channels = 8;
|
||
|
|
hhcd->Init.speed = HCD_SPEED_FULL;
|
||
|
|
hhcd->Init.dma_enable = DISABLE;
|
||
|
|
hhcd->Init.phy_itface = HCD_PHY_EMBEDDED;
|
||
|
|
hhcd->Init.Sof_enable = DISABLE;
|
||
|
|
RT_ASSERT(HAL_HCD_Init(hhcd) == HAL_OK);
|
||
|
|
HAL_HCD_Start(hhcd);
|
||
|
|
#ifdef USBH_USING_CONTROLLABLE_POWER
|
||
|
|
rt_pin_mode(USBH_POWER_PIN, PIN_MODE_OUTPUT);
|
||
|
|
|
||
|
|
rt_pin_write(USBH_POWER_PIN, PIN_LOW);
|
||
|
|
#endif
|
||
|
|
return RT_EOK;
|
||
|
|
}
|
||
|
|
int stm_usbh_register(void)
|
||
|
|
{
|
||
|
|
uhcd_t uhcd = (uhcd_t)rt_malloc(sizeof(struct uhcd));
|
||
|
|
RT_ASSERT(uhcd != RT_NULL);
|
||
|
|
rt_memset((void *)uhcd, 0, sizeof(struct uhcd));
|
||
|
|
|
||
|
|
uhcd->parent.type = RT_Device_Class_USBHost;
|
||
|
|
uhcd->parent.init = _init;
|
||
|
|
uhcd->parent.user_data = &_stm_hhcd_fs;
|
||
|
|
uhcd->ops = &_uhcd_ops;
|
||
|
|
uhcd->num_ports = 1;
|
||
|
|
_stm_hhcd_fs.pData = uhcd;
|
||
|
|
|
||
|
|
rt_device_register((rt_device_t)uhcd, "usbh", 0);
|
||
|
|
rt_usb_host_init();
|
||
|
|
return RT_EOK;
|
||
|
|
}
|
||
|
|
INIT_DEVICE_EXPORT(stm_usbh_register);
|