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/*
* 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
}
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