312 lines
7.3 KiB
C
312 lines
7.3 KiB
C
/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2023-02-28 leo first version
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*/
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#include <rtthread.h>
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#include <rtdevice.h>
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#include "drv_common.h"
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#if defined(BSP_USING_DEVICE_USBOTG1) || defined(BSP_USING_DEVICE_USBOTG2)
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#include "usbd_int.h"
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#include "drv_usbotg.h"
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#include "drv_config.h"
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static struct at32_usbotg *p_usbotg_instance = RT_NULL;
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static struct ep_id endpoint_pool[] =
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{
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{0x0, USB_EP_ATTR_CONTROL, USB_DIR_INOUT, 64, ID_ASSIGNED },
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{0x1, USB_EP_ATTR_BULK, USB_DIR_IN, 64, ID_UNASSIGNED},
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{0x1, USB_EP_ATTR_BULK, USB_DIR_OUT, 64, ID_UNASSIGNED},
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{0x2, USB_EP_ATTR_INT, USB_DIR_IN, 64, ID_UNASSIGNED},
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{0x2, USB_EP_ATTR_INT, USB_DIR_OUT, 64, ID_UNASSIGNED},
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{0x3, USB_EP_ATTR_ISOC, USB_DIR_IN, 64, ID_UNASSIGNED},
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{0x3, USB_EP_ATTR_ISOC, USB_DIR_OUT, 64, ID_UNASSIGNED},
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{0xFF, USB_EP_ATTR_TYPE_MASK, USB_DIR_MASK, 0, ID_ASSIGNED },
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};
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enum
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{
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#ifdef BSP_USING_DEVICE_USBOTG1
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USBOTG1_INDEX,
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#endif
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#ifdef BSP_USING_DEVICE_USBOTG2
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USBOTG2_INDEX,
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#endif
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};
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static struct at32_usbotg usbotgd_config[] = {
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#ifdef BSP_USING_DEVICE_USBOTG1
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USBOTG1_CONFIG,
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#endif
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#ifdef BSP_USING_DEVICE_USBOTG2
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USBOTG2_CONFIG,
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#endif
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};
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#ifdef BSP_USING_DEVICE_USBOTG1
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void OTGFS1_IRQHandler(void)
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{
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/* enter interrupt */
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rt_interrupt_enter();
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usbd_irq_handler(p_usbotg_instance->p_otg_core);
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/* leave interrupt */
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rt_interrupt_leave();
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}
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#endif
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#ifdef BSP_USING_DEVICE_USBOTG2
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void OTGFS2_IRQHandler(void)
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{
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/* enter interrupt */
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rt_interrupt_enter();
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usbd_irq_handler(p_usbotg_instance->p_otg_core);
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/* leave interrupt */
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rt_interrupt_leave();
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}
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#endif
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void usbd_reset_callback(usbd_core_type *udev)
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{
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udcd_t udcd = (udcd_t)udev->pdata;
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rt_usbd_reset_handler(udcd);
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}
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void usbd_connectCallback(usbd_core_type *udev)
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{
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udcd_t udcd = (udcd_t)udev->pdata;
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rt_usbd_connect_handler(udcd);
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}
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void usbd_disconnectCallback(usbd_core_type *udev)
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{
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udcd_t udcd = (udcd_t)udev->pdata;
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rt_usbd_disconnect_handler(udcd);
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}
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void usbd_setup_phase_done_callback(usbd_core_type *udev)
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{
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udcd_t udcd = (udcd_t)udev->pdata;
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rt_usbd_ep0_setup_handler(udcd, (struct urequest*)udev->setup_buffer);
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}
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void usbd_data_in_stage_callback(usbd_core_type *udev, uint32_t ept_num)
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{
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udcd_t udcd = (udcd_t)udev->pdata;
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if (ept_num == 0)
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{
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rt_usbd_ep0_in_handler(udcd);
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}
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else
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{
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rt_usbd_ep_in_handler(udcd, 0x80 | ept_num, udev->ept_in[ept_num].trans_len);
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}
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}
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void usbd_sof_callback(usbd_core_type *udev)
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{
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udcd_t udcd = (udcd_t)udev->pdata;
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rt_usbd_sof_handler(udcd);
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}
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void usbd_data_out_stage_callback(usbd_core_type *udev, uint32_t ept_num)
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{
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udcd_t udcd = (udcd_t)udev->pdata;
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if (ept_num != 0)
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{
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rt_usbd_ep_out_handler(udcd, ept_num, udev->ept_out[ept_num].trans_len);
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}
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else
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{
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rt_usbd_ep0_out_handler(udcd, udev->ept_out[0].trans_len);
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}
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}
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static rt_err_t _ep_set_stall(rt_uint8_t address)
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{
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usbd_set_stall(&p_usbotg_instance->p_otg_core->dev, address);
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return RT_EOK;
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}
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static rt_err_t _ep_clear_stall(rt_uint8_t address)
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{
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usbd_clear_stall(&p_usbotg_instance->p_otg_core->dev, address);
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return RT_EOK;
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}
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static rt_err_t _set_address(rt_uint8_t address)
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{
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usbd_set_device_addr(&p_usbotg_instance->p_otg_core->dev, address);
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return RT_EOK;
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}
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static rt_err_t _set_config(rt_uint8_t address)
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{
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return RT_EOK;
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}
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static rt_err_t _ep_enable(uep_t ep)
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{
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RT_ASSERT(ep != RT_NULL);
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RT_ASSERT(ep->ep_desc != RT_NULL);
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usbd_ept_open(&p_usbotg_instance->p_otg_core->dev, ep->ep_desc->bEndpointAddress, \
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ep->ep_desc->bmAttributes, ep->ep_desc->wMaxPacketSize);
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return RT_EOK;
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}
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static rt_err_t _ep_disable(uep_t ep)
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{
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RT_ASSERT(ep != RT_NULL);
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RT_ASSERT(ep->ep_desc != RT_NULL);
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usbd_ept_close(&p_usbotg_instance->p_otg_core->dev, ep->ep_desc->bEndpointAddress);
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return RT_EOK;
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}
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static rt_size_t _ep_read(rt_uint8_t address, void *buffer)
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{
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rt_size_t size = 0;
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RT_ASSERT(buffer != RT_NULL);
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return size;
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}
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static rt_size_t _ep_read_prepare(rt_uint8_t address, void *buffer, rt_size_t size)
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{
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usbd_ept_recv(&p_usbotg_instance->p_otg_core->dev, address, buffer, size);
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return size;
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}
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static rt_size_t _ep_write(rt_uint8_t address, void *buffer, rt_size_t size)
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{
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usbd_ept_send(&p_usbotg_instance->p_otg_core->dev, address, buffer, size);
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return size;
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}
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static rt_err_t _ep0_send_status(void)
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{
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usbd_ept_send(&p_usbotg_instance->p_otg_core->dev, 0x00, RT_NULL, 0);
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return RT_EOK;
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}
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static rt_err_t _suspend(void)
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{
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return RT_EOK;
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}
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static rt_err_t _wakeup(void)
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{
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return RT_EOK;
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}
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static rt_err_t at32_dcd_init(rt_device_t device)
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{
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/* usb gpio config */
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at32_msp_usb_init(device);
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/* enable otgfs irq */
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nvic_irq_enable(p_usbotg_instance->irqn, 2, 0);
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/* init usb */
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p_usbotg_instance->p_otg_core->usb_reg = usb_global_select_core(p_usbotg_instance->id);
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/* usb device core config */
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usb_core_config(p_usbotg_instance->p_otg_core, p_usbotg_instance->dev_spd);
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if(p_usbotg_instance->p_otg_core->cfg.sof_out)
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{
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p_usbotg_instance->p_otg_core->usb_reg->gccfg_bit.sofouten = TRUE;
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}
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if(p_usbotg_instance->p_otg_core->cfg.vbusig)
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{
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p_usbotg_instance->p_otg_core->usb_reg->gccfg_bit.vbusig = TRUE;
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}
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/* usb device core init */
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usbd_core_init(&(p_usbotg_instance->p_otg_core->dev), p_usbotg_instance->p_otg_core->usb_reg,
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p_usbotg_instance->dev_spd);
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return RT_EOK;
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}
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const static struct udcd_ops _udc_ops =
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{
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_set_address,
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_set_config,
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_ep_set_stall,
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_ep_clear_stall,
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_ep_enable,
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_ep_disable,
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_ep_read_prepare,
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_ep_read,
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_ep_write,
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_ep0_send_status,
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_suspend,
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_wakeup,
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};
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int at32_usbd_register(void)
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{
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rt_size_t obj_num;
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rt_err_t result = 0;
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int index;
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obj_num = sizeof(usbotgd_config) / sizeof(struct at32_usbotg);
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for (index = 0; index < obj_num; index++) {
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udcd_t udcd = (udcd_t)rt_malloc(sizeof(struct udcd));
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if (udcd == RT_NULL)
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{
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rt_kprintf("uhcd malloc failed\r\n");
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return -RT_ERROR;
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}
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rt_memset((void *)udcd, 0, sizeof(struct udcd));
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otg_core_type *p_otg_core = (otg_core_type *)rt_malloc(sizeof(otg_core_type));
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if (p_otg_core == RT_NULL)
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{
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rt_kprintf("otg_core malloc failed\r\n");
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return -RT_ERROR;
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}
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rt_memset((void *)p_otg_core, 0, sizeof(otg_core_type));
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udcd->parent.type = RT_Device_Class_USBDevice;
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udcd->parent.init = at32_dcd_init;
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udcd->parent.user_data = &(p_otg_core->dev);
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udcd->ops = &_udc_ops;
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p_otg_core->dev.pdata = udcd;
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usbotgd_config[index].p_otg_core = p_otg_core;
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/* register endpoint infomation */
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udcd->ep_pool = endpoint_pool;
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udcd->ep0.id = &endpoint_pool[0];
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result = rt_device_register((rt_device_t)udcd, usbotgd_config[index].name, 0);
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RT_ASSERT(result == RT_EOK);
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p_usbotg_instance = &usbotgd_config[index];
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result = rt_usb_device_init();
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RT_ASSERT(result == RT_EOK);
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}
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return result;
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}
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INIT_DEVICE_EXPORT(at32_usbd_register);
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#endif
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