93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
/*
|
|
* Copyright (c) 2024, sakumisu
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
#include "usbd_core.h"
|
|
#include "fsl_common.h"
|
|
#include "usb_kinetis_reg.h"
|
|
|
|
#define USB_OTG_DEV ((KINETIS_MCX_TypeDef *)g_usbdev_bus[busid].reg_base)
|
|
|
|
#if defined(MCXC444_H_)
|
|
#define USBD_IRQ USB0_IRQHandler
|
|
void USB_ClockInit(void)
|
|
{
|
|
SystemCoreClockUpdate();
|
|
CLOCK_EnableUsbfs0Clock(kCLOCK_UsbSrcIrc48M, 48000000U);
|
|
}
|
|
#elif defined(MCXA153_H_)
|
|
#define USBD_IRQ USB0_IRQHandler
|
|
void USB_ClockInit(void)
|
|
{
|
|
RESET_PeripheralReset(kUSB0_RST_SHIFT_RSTn);
|
|
CLOCK_EnableUsbfsClock();
|
|
}
|
|
#elif defined(MCXN947_CM33_CORE0_H_)
|
|
#define USBD_IRQ USB0_FS_IRQHandler
|
|
void USB_ClockInit(void)
|
|
{
|
|
CLOCK_AttachClk(kCLK_48M_to_USB0);
|
|
CLOCK_EnableClock(kCLOCK_Usb0Ram);
|
|
CLOCK_EnableClock(kCLOCK_Usb0Fs);
|
|
CLOCK_EnableUsbfsClock();
|
|
}
|
|
#elif defined(MCXA156_H_)
|
|
#define USBD_IRQ USB0_IRQHandler
|
|
void USB_ClockInit(void)
|
|
{
|
|
RESET_PeripheralReset(kUSB0_RST_SHIFT_RSTn);
|
|
CLOCK_EnableUsbfsClock();
|
|
}
|
|
#else
|
|
#error "Unsupported MCU with Kinetis IP"
|
|
#endif
|
|
|
|
void USBD_IRQ(void)
|
|
{
|
|
extern void USBD_IRQHandler(uint8_t busid);
|
|
USBD_IRQHandler(0);
|
|
}
|
|
|
|
void usb_dc_low_level_init(uint8_t busid)
|
|
{
|
|
USB_ClockInit();
|
|
|
|
uint8_t irqNumber;
|
|
|
|
uint8_t usbDeviceKhciIrq[] = USB_IRQS;
|
|
irqNumber = usbDeviceKhciIrq[0];
|
|
|
|
/* Install isr, set priority, and enable IRQ. */
|
|
NVIC_SetPriority((IRQn_Type)irqNumber, 3);
|
|
EnableIRQ((IRQn_Type)irqNumber);
|
|
|
|
USB_OTG_DEV->USBTRC0 |= USB_USBTRC0_USBRESET_MASK;
|
|
while (USB_OTG_DEV->USBTRC0 & USB_USBTRC0_USBRESET_MASK);
|
|
|
|
USB_OTG_DEV->USBTRC0 |= USB_USBTRC0_VREGIN_STS(1); /* software must set this bit to 1 */
|
|
USB_OTG_DEV->USBCTRL = 0;
|
|
USB_OTG_DEV->CONTROL |= USB_CONTROL_DPPULLUPNONOTG_MASK;
|
|
}
|
|
|
|
void usb_dc_low_level_deinit(uint8_t busid)
|
|
{
|
|
USB_OTG_DEV->CONTROL &= ~USB_CONTROL_DPPULLUPNONOTG_MASK;
|
|
#if defined(MCXN947_CM33_CORE0_H_)
|
|
DisableIRQ((IRQn_Type)USB0_FS_IRQn);
|
|
#else
|
|
DisableIRQ((IRQn_Type)USB0_IRQn);
|
|
#endif
|
|
}
|
|
|
|
void usbd_kinetis_delay_ms(uint8_t ms)
|
|
{
|
|
#ifdef __RTTHREAD__
|
|
rt_thread_mdelay(ms);
|
|
#else
|
|
for (uint32_t i = 0; i < ms; i++)
|
|
{
|
|
for (volatile uint32_t j = 0; j < 10000; j++);
|
|
}
|
|
#endif
|
|
} |