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