rt-thread/bsp/at32/libraries/rt_drivers/drv_usbfsd.c

312 lines
7.3 KiB
C

/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2023-02-28 leo first version
*/
#include <rtthread.h>
#include <rtdevice.h>
#include "usbd_int.h"
#include "drv_common.h"
#include "drv_usbfs.h"
#include "drv_config.h"
#if defined(BSP_USING_DEVICE_USBFS1) || defined(BSP_USING_DEVICE_USBFS2)
static struct at32_usbfs *p_usbfs_instance = NULL;
static struct ep_id endpoint_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_ISOC, USB_DIR_IN, 64, ID_UNASSIGNED},
{0x3, USB_EP_ATTR_ISOC, USB_DIR_OUT, 64, ID_UNASSIGNED},
{0xFF, USB_EP_ATTR_TYPE_MASK, USB_DIR_MASK, 0, ID_ASSIGNED },
};
enum
{
#ifdef BSP_USING_DEVICE_USBFS1
USBFS1_INDEX,
#endif
#ifdef BSP_USING_DEVICE_USBFS2
USBFS2_INDEX,
#endif
};
static struct at32_usbfs usbfsd_config[] = {
#ifdef BSP_USING_DEVICE_USBFS1
USBFS1_CONFIG,
#endif
#ifdef BSP_USING_DEVICE_USBFS2
USBFS2_CONFIG,
#endif
};
#ifdef BSP_USING_DEVICE_USBFS1
void OTGFS1_IRQHandler(void)
{
/* enter interrupt */
rt_interrupt_enter();
usbd_irq_handler(p_usbfs_instance->p_otg_core);
/* leave interrupt */
rt_interrupt_leave();
}
#endif
#ifdef BSP_USING_DEVICE_USBFS2
void OTGFS2_IRQHandler(void)
{
/* enter interrupt */
rt_interrupt_enter();
usbd_irq_handler(p_usbfs_instance->p_otg_core);
/* leave interrupt */
rt_interrupt_leave();
}
#endif
void usbd_reset_callback(usbd_core_type *udev)
{
udcd_t udcd = (udcd_t)udev->pdata;
rt_usbd_reset_handler(udcd);
}
void usbd_connectCallback(usbd_core_type *udev)
{
udcd_t udcd = (udcd_t)udev->pdata;
rt_usbd_connect_handler(udcd);
}
void usbd_disconnectCallback(usbd_core_type *udev)
{
udcd_t udcd = (udcd_t)udev->pdata;
rt_usbd_disconnect_handler(udcd);
}
void usbd_setup_phase_done_callback(usbd_core_type *udev)
{
udcd_t udcd = (udcd_t)udev->pdata;
rt_usbd_ep0_setup_handler(udcd, (struct urequest*)udev->setup_buffer);
}
void usbd_data_in_stage_callback(usbd_core_type *udev, uint32_t ept_num)
{
udcd_t udcd = (udcd_t)udev->pdata;
if (ept_num == 0)
{
rt_usbd_ep0_in_handler(udcd);
}
else
{
rt_usbd_ep_in_handler(udcd, 0x80 | ept_num, udev->ept_in[ept_num].trans_len);
}
}
void usbd_sof_callback(usbd_core_type *udev)
{
udcd_t udcd = (udcd_t)udev->pdata;
rt_usbd_sof_handler(udcd);
}
void usbd_data_out_stage_callback(usbd_core_type *udev, uint32_t ept_num)
{
udcd_t udcd = (udcd_t)udev->pdata;
if (ept_num != 0)
{
rt_usbd_ep_out_handler(udcd, ept_num, udev->ept_out[ept_num].trans_len);
}
else
{
rt_usbd_ep0_out_handler(udcd, udev->ept_out[0].trans_len);
}
}
static rt_err_t _ep_set_stall(rt_uint8_t address)
{
usbd_set_stall(&p_usbfs_instance->p_otg_core->dev, address);
return RT_EOK;
}
static rt_err_t _ep_clear_stall(rt_uint8_t address)
{
usbd_clear_stall(&p_usbfs_instance->p_otg_core->dev, address);
return RT_EOK;
}
static rt_err_t _set_address(rt_uint8_t address)
{
usbd_set_device_addr(&p_usbfs_instance->p_otg_core->dev, 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);
usbd_ept_open(&p_usbfs_instance->p_otg_core->dev, ep->ep_desc->bEndpointAddress, \
ep->ep_desc->bmAttributes, ep->ep_desc->wMaxPacketSize);
return RT_EOK;
}
static rt_err_t _ep_disable(uep_t ep)
{
RT_ASSERT(ep != RT_NULL);
RT_ASSERT(ep->ep_desc != RT_NULL);
usbd_ept_close(&p_usbfs_instance->p_otg_core->dev, 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)
{
usbd_ept_recv(&p_usbfs_instance->p_otg_core->dev, address, buffer, size);
return size;
}
static rt_size_t _ep_write(rt_uint8_t address, void *buffer, rt_size_t size)
{
usbd_ept_send(&p_usbfs_instance->p_otg_core->dev, address, buffer, size);
return size;
}
static rt_err_t _ep0_send_status(void)
{
usbd_ept_send(&p_usbfs_instance->p_otg_core->dev, 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 at32_dcd_init(rt_device_t device)
{
/* usb gpio config */
at32_msp_usb_init(device);
/* enable otgfs irq */
nvic_irq_enable(p_usbfs_instance->irqn, 2, 0);
/* init usb */
p_usbfs_instance->p_otg_core->usb_reg = usb_global_select_core(p_usbfs_instance->id);
/* usb device core config */
usb_core_config(p_usbfs_instance->p_otg_core, USB_FULL_SPEED_CORE_ID);
if(p_usbfs_instance->p_otg_core->cfg.sof_out)
{
p_usbfs_instance->p_otg_core->usb_reg->gccfg_bit.sofouten = TRUE;
}
if(p_usbfs_instance->p_otg_core->cfg.vbusig)
{
p_usbfs_instance->p_otg_core->usb_reg->gccfg_bit.vbusig = TRUE;
}
/* usb device core init */
usbd_core_init(&(p_usbfs_instance->p_otg_core->dev), p_usbfs_instance->p_otg_core->usb_reg,
USB_FULL_SPEED_CORE_ID);
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 at32_usbd_register(void)
{
rt_size_t obj_num;
rt_err_t result = 0;
int index;
obj_num = sizeof(usbfsd_config) / sizeof(struct at32_usbfs);
for (index = 0; index < obj_num; index++) {
udcd_t udcd = (udcd_t)rt_malloc(sizeof(struct udcd));
if (udcd == RT_NULL)
{
rt_kprintf("uhcd malloc failed\r\n");
return -RT_ERROR;
}
rt_memset((void *)udcd, 0, sizeof(struct udcd));
otg_core_type *p_otg_core = (otg_core_type *)rt_malloc(sizeof(otg_core_type));
if (p_otg_core == RT_NULL)
{
rt_kprintf("otg_core malloc failed\r\n");
return -RT_ERROR;
}
rt_memset((void *)p_otg_core, 0, sizeof(otg_core_type));
udcd->parent.type = RT_Device_Class_USBDevice;
udcd->parent.init = at32_dcd_init;
udcd->parent.user_data = &(p_otg_core->dev);
udcd->ops = &_udc_ops;
p_otg_core->dev.pdata = udcd;
usbfsd_config[index].p_otg_core = p_otg_core;
/* register endpoint infomation */
udcd->ep_pool = endpoint_pool;
udcd->ep0.id = &endpoint_pool[0];
result = rt_device_register((rt_device_t)udcd, usbfsd_config[index].name, 0);
RT_ASSERT(result == RT_EOK);
p_usbfs_instance = &usbfsd_config[index];
result = rt_usb_device_init();
RT_ASSERT(result == RT_EOK);
}
return result;
}
INIT_DEVICE_EXPORT(at32_usbd_register);
#endif