51 lines
1.0 KiB
C
51 lines
1.0 KiB
C
/*
|
|
* Copyright (c) 2024, sakumisu
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
#include "usb_config.h"
|
|
#include "stdint.h"
|
|
#include "usb_dwc2_reg.h"
|
|
|
|
#if 1
|
|
#error you need to modify some usb register values then use this chip
|
|
#endif
|
|
|
|
#if CONFIG_USBDEV_EP_NUM != 4 && CONFIG_USBDEV_EP_NUM != 6
|
|
#error "gd32 only has 4 endpoints for pa11/pa12 and 6 endpoints for pb14/pb15"
|
|
#endif
|
|
|
|
/* you can find this config in function:usb_core_init, file:drv_usb_core.c, for example:
|
|
*
|
|
* usb_regs->gr->GCCFG |= GCCFG_PWRON | GCCFG_VBUSACEN | GCCFG_VBUSBCEN;
|
|
*
|
|
*/
|
|
|
|
uint32_t usbd_get_dwc2_gccfg_conf(uint32_t reg_base)
|
|
{
|
|
#ifdef CONFIG_USB_HS
|
|
return 0;
|
|
#else
|
|
return ((1 << 16) | (1 << 18) | (1 << 19) | (1 << 21));
|
|
#endif
|
|
}
|
|
|
|
uint32_t usbh_get_dwc2_gccfg_conf(uint32_t reg_base)
|
|
{
|
|
#ifdef CONFIG_USB_HS
|
|
return 0;
|
|
#else
|
|
return ((1 << 16) | (1 << 18) | (1 << 19) | (1 << 21));
|
|
#endif
|
|
}
|
|
|
|
extern uint32_t SystemCoreClock;
|
|
|
|
void usbd_dwc2_delay_ms(uint8_t ms)
|
|
{
|
|
uint32_t count = SystemCoreClock / 1000 * ms;
|
|
while (count--) {
|
|
__asm volatile("nop");
|
|
}
|
|
}
|