mirror of
https://github.com/OpenRTX/OpenRTX
synced 2026-08-08 12:29:06 -04:00
95fdcd5fe2
This change removes the old copyright header from project sources and replaces it with a new simplified SPDX-compliant header. Note that files that were missing the header but reasonably understood to be licensed according to the root license were not corrected. Signed-off-by: Ryan Turner <ryan@turnrye.com>
50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
/*
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* SPDX-FileCopyrightText: Copyright 2020-2026 OpenRTX Contributors
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*
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#include "interfaces/platform.h"
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#include "peripherals/gpio.h"
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#include "hwconfig.h"
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#include "usb.h"
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/*
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* USB interrupt handler.
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*
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void OTG_FS_IRQHandler(void)
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{
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tud_int_handler(0);
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}
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*/
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void usb_init()
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{
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gpio_setMode(GPIOA, 11, ALTERNATE | ALTERNATE_FUNC(10));
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gpio_setMode(GPIOA, 12, ALTERNATE | ALTERNATE_FUNC(10));
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gpio_setOutputSpeed(GPIOA, 11, HIGH); // 100MHz output speed
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gpio_setOutputSpeed(GPIOA, 12, HIGH); // 100MHz output speed
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RCC->APB2ENR |= RCC_APB2ENR_SYSCFGEN;
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RCC->AHB2ENR |= RCC_AHB2ENR_OTGFSEN;
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__DSB();
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// Disable VBUS detection and activate the USB transceiver
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USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_NOVBUSSENS
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| USB_OTG_GCCFG_PWRDWN;
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// Force USB device mode
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USB_OTG_FS->GUSBCFG |= USB_OTG_GUSBCFG_FDMOD;
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NVIC_SetPriority(OTG_FS_IRQn, 14);
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tusb_init();
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}
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void usb_terminate()
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{
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RCC->AHB2ENR &= ~RCC_AHB2ENR_OTGFSEN;
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__DSB();
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}
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