365 lines
9.6 KiB
C
365 lines
9.6 KiB
C
/**
|
|
**************************************************************************
|
|
* @file mouse_class.c
|
|
* @brief usb hid mouse class type
|
|
**************************************************************************
|
|
* Copyright notice & Disclaimer
|
|
*
|
|
* The software Board Support Package (BSP) that is made available to
|
|
* download from Artery official website is the copyrighted work of Artery.
|
|
* Artery authorizes customers to use, copy, and distribute the BSP
|
|
* software and its related documentation for the purpose of design and
|
|
* development in conjunction with Artery microcontrollers. Use of the
|
|
* software is governed by this copyright notice and the following disclaimer.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
|
|
* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
|
|
* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
|
|
* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
|
|
* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
|
|
*
|
|
**************************************************************************
|
|
*/
|
|
#include "usbd_core.h"
|
|
#include "mouse_class.h"
|
|
#include "mouse_desc.h"
|
|
|
|
/** @addtogroup AT32F435_437_middlewares_usbd_class
|
|
* @{
|
|
*/
|
|
|
|
/** @defgroup USB_mouse_class
|
|
* @brief usb device mouse demo
|
|
* @{
|
|
*/
|
|
|
|
/** @defgroup USB_mouse_class_private_functions
|
|
* @{
|
|
*/
|
|
|
|
static usb_sts_type class_init_handler(void *udev);
|
|
static usb_sts_type class_clear_handler(void *udev);
|
|
static usb_sts_type class_setup_handler(void *udev, usb_setup_type *setup);
|
|
static usb_sts_type class_ept0_tx_handler(void *udev);
|
|
static usb_sts_type class_ept0_rx_handler(void *udev);
|
|
static usb_sts_type class_in_handler(void *udev, uint8_t ept_num);
|
|
static usb_sts_type class_out_handler(void *udev, uint8_t ept_num);
|
|
static usb_sts_type class_sof_handler(void *udev);
|
|
static usb_sts_type class_event_handler(void *udev, usbd_event_type event);
|
|
|
|
mouse_type mouse_struct;
|
|
|
|
/* usb device class handler */
|
|
usbd_class_handler mouse_class_handler =
|
|
{
|
|
class_init_handler,
|
|
class_clear_handler,
|
|
class_setup_handler,
|
|
class_ept0_tx_handler,
|
|
class_ept0_rx_handler,
|
|
class_in_handler,
|
|
class_out_handler,
|
|
class_sof_handler,
|
|
class_event_handler,
|
|
&mouse_struct
|
|
};
|
|
|
|
/**
|
|
* @brief initialize usb endpoint
|
|
* @param udev: to the structure of usbd_core_type
|
|
* @retval status of usb_sts_type
|
|
*/
|
|
static usb_sts_type class_init_handler(void *udev)
|
|
{
|
|
usb_sts_type status = USB_OK;
|
|
usbd_core_type *pudev = (usbd_core_type *)udev;
|
|
|
|
/* open hid in endpoint */
|
|
usbd_ept_open(pudev, USBD_MOUSE_IN_EPT, EPT_INT_TYPE, USBD_MOUSE_IN_MAXPACKET_SIZE);
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief clear endpoint or other state
|
|
* @param udev: to the structure of usbd_core_type
|
|
* @retval status of usb_sts_type
|
|
*/
|
|
static usb_sts_type class_clear_handler(void *udev)
|
|
{
|
|
usb_sts_type status = USB_OK;
|
|
usbd_core_type *pudev = (usbd_core_type *)udev;
|
|
|
|
/* close hid in endpoint */
|
|
usbd_ept_close(pudev, USBD_MOUSE_IN_EPT);
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief usb device class setup request handler
|
|
* @param udev: to the structure of usbd_core_type
|
|
* @param setup: setup packet
|
|
* @retval status of usb_sts_type
|
|
*/
|
|
static usb_sts_type class_setup_handler(void *udev, usb_setup_type *setup)
|
|
{
|
|
usb_sts_type status = USB_OK;
|
|
usbd_core_type *pudev = (usbd_core_type *)udev;
|
|
mouse_type *pmouse = (mouse_type *)pudev->class_handler->pdata;
|
|
uint16_t len;
|
|
uint8_t *buf;
|
|
|
|
switch(setup->bmRequestType & USB_REQ_TYPE_RESERVED)
|
|
{
|
|
/* class request */
|
|
case USB_REQ_TYPE_CLASS:
|
|
switch(setup->bRequest)
|
|
{
|
|
case HID_REQ_SET_PROTOCOL:
|
|
pmouse->hid_protocol = (uint8_t)setup->wValue;
|
|
break;
|
|
case HID_REQ_GET_PROTOCOL:
|
|
usbd_ctrl_send(pudev, (uint8_t *)&pmouse->hid_protocol, 1);
|
|
break;
|
|
case HID_REQ_SET_IDLE:
|
|
pmouse->hid_set_idle = (uint8_t)(setup->wValue >> 8);
|
|
break;
|
|
case HID_REQ_GET_IDLE:
|
|
usbd_ctrl_send(pudev, (uint8_t *)&pmouse->hid_set_idle, 1);
|
|
break;
|
|
case HID_REQ_SET_REPORT:
|
|
pmouse->hid_state = HID_REQ_SET_REPORT;
|
|
usbd_ctrl_recv(pudev, pmouse->hid_set_report, setup->wLength);
|
|
break;
|
|
default:
|
|
usbd_ctrl_unsupport(pudev);
|
|
break;
|
|
}
|
|
break;
|
|
/* standard request */
|
|
case USB_REQ_TYPE_STANDARD:
|
|
switch(setup->bRequest)
|
|
{
|
|
case USB_STD_REQ_GET_DESCRIPTOR:
|
|
if(setup->wValue >> 8 == HID_REPORT_DESC)
|
|
{
|
|
len = MIN(USBD_MOUSE_SIZ_REPORT_DESC, setup->wLength);
|
|
buf = (uint8_t *)g_usbd_mouse_report;
|
|
}
|
|
else if(setup->wValue >> 8 == HID_DESCRIPTOR_TYPE)
|
|
{
|
|
len = MIN(9, setup->wLength);
|
|
buf = (uint8_t *)g_mouse_usb_desc;
|
|
}
|
|
usbd_ctrl_send(pudev, (uint8_t *)buf, len);
|
|
break;
|
|
case USB_STD_REQ_GET_INTERFACE:
|
|
usbd_ctrl_send(pudev, (uint8_t *)&pmouse->alt_setting, 1);
|
|
break;
|
|
case USB_STD_REQ_SET_INTERFACE:
|
|
pmouse->alt_setting = setup->wValue;
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
usbd_ctrl_unsupport(pudev);
|
|
break;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief usb device class endpoint 0 in status stage complete
|
|
* @param udev: to the structure of usbd_core_type
|
|
* @retval status of usb_sts_type
|
|
*/
|
|
static usb_sts_type class_ept0_tx_handler(void *udev)
|
|
{
|
|
usb_sts_type status = USB_OK;
|
|
|
|
/* ...user code... */
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief usb device class endpoint 0 out status stage complete
|
|
* @param udev: to the structure of usbd_core_type
|
|
* @retval status of usb_sts_type
|
|
*/
|
|
static usb_sts_type class_ept0_rx_handler(void *udev)
|
|
{
|
|
usb_sts_type status = USB_OK;
|
|
usbd_core_type *pudev = (usbd_core_type *)udev;
|
|
mouse_type *pmouse = (mouse_type *)pudev->class_handler->pdata;
|
|
uint32_t recv_len = usbd_get_recv_len(pudev, 0);
|
|
/* ...user code... */
|
|
if( pmouse->hid_state == HID_REQ_SET_REPORT)
|
|
{
|
|
/* hid buffer process */
|
|
pmouse->hid_state = 0;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief usb device class transmision complete handler
|
|
* @param udev: to the structure of usbd_core_type
|
|
* @param ept_num: endpoint number
|
|
* @retval status of usb_sts_type
|
|
*/
|
|
static usb_sts_type class_in_handler(void *udev, uint8_t ept_num)
|
|
{
|
|
usb_sts_type status = USB_OK;
|
|
|
|
/* ...user code...
|
|
trans next packet data
|
|
*/
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief usb device class endpoint receive data
|
|
* @param udev: to the structure of usbd_core_type
|
|
* @param ept_num: endpoint number
|
|
* @retval status of usb_sts_type
|
|
*/
|
|
static usb_sts_type class_out_handler(void *udev, uint8_t ept_num)
|
|
{
|
|
usb_sts_type status = USB_OK;
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief usb device class sof handler
|
|
* @param udev: to the structure of usbd_core_type
|
|
* @retval status of usb_sts_type
|
|
*/
|
|
static usb_sts_type class_sof_handler(void *udev)
|
|
{
|
|
usb_sts_type status = USB_OK;
|
|
|
|
/* ...user code... */
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief usb device class event handler
|
|
* @param udev: to the structure of usbd_core_type
|
|
* @param event: usb device event
|
|
* @retval status of usb_sts_type
|
|
*/
|
|
static usb_sts_type class_event_handler(void *udev, usbd_event_type event)
|
|
{
|
|
usb_sts_type status = USB_OK;
|
|
usbd_core_type *pudev = (usbd_core_type *)udev;
|
|
mouse_type *pmouse = (mouse_type *)pudev->class_handler->pdata;
|
|
switch(event)
|
|
{
|
|
case USBD_RESET_EVENT:
|
|
|
|
/* ...user code... */
|
|
|
|
break;
|
|
case USBD_SUSPEND_EVENT:
|
|
pmouse->hid_suspend_flag = 1;
|
|
/* ...user code... */
|
|
|
|
break;
|
|
case USBD_WAKEUP_EVENT:
|
|
/* ...user code... */
|
|
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief usb device class send report
|
|
* @param udev: to the structure of usbd_core_type
|
|
* @param report: report buffer
|
|
* @param len: report length
|
|
* @retval status of usb_sts_type
|
|
*/
|
|
usb_sts_type usb_mouse_class_send_report(void *udev, uint8_t *report, uint16_t len)
|
|
{
|
|
usb_sts_type status = USB_OK;
|
|
usbd_core_type *pudev = (usbd_core_type *)udev;
|
|
|
|
if(usbd_connect_state_get(pudev) == USB_CONN_STATE_CONFIGURED)
|
|
{
|
|
usbd_flush_tx_fifo(pudev, USBD_MOUSE_IN_EPT);
|
|
usbd_ept_send(pudev, USBD_MOUSE_IN_EPT, report, len);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief usb device class report function
|
|
* @param udev: to the structure of usbd_core_type
|
|
* @param op: operation
|
|
* @retval none
|
|
*/
|
|
void usb_hid_mouse_send(void *udev, uint8_t op)
|
|
{
|
|
usbd_core_type *pudev = (usbd_core_type *)udev;
|
|
mouse_type *pmouse = (mouse_type *)pudev->class_handler->pdata;
|
|
int8_t posx = 0, posy = 0, button = 0;
|
|
switch(op)
|
|
{
|
|
case LEFT_BUTTON:
|
|
button = 0x01;
|
|
break;
|
|
|
|
case RIGHT_BUTTON:
|
|
button = 0x2;
|
|
break;
|
|
|
|
case UP_MOVE:
|
|
posy -= MOVE_STEP;
|
|
break;
|
|
|
|
case DOWN_MOVE:
|
|
posy += MOVE_STEP;
|
|
break;
|
|
|
|
case LEFT_MOVE:
|
|
posx -= MOVE_STEP;
|
|
break;
|
|
|
|
case RIGHT_MOVE:
|
|
posx += MOVE_STEP;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
pmouse->mouse_buffer[0] = button;
|
|
pmouse->mouse_buffer[1] = posx;
|
|
pmouse->mouse_buffer[2] = posy;
|
|
|
|
usb_mouse_class_send_report(udev, pmouse->mouse_buffer, 4);
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|