88 lines
2.8 KiB
C
88 lines
2.8 KiB
C
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2017, 2018 Scott Shawcroft for Adafruit Industries
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
#include "atmel_start_pins.h"
|
|
#include "hpl/pm/hpl_pm_base.h"
|
|
#include "hpl/gclk/hpl_gclk_base.h"
|
|
#include "hal_gpio.h"
|
|
#include "lib/tinyusb/src/device/usbd.h"
|
|
#include "supervisor/background_callback.h"
|
|
#include "supervisor/usb.h"
|
|
|
|
void init_usb_hardware(void) {
|
|
#ifdef SAMD21
|
|
_pm_enable_bus_clock(PM_BUS_APBB, USB);
|
|
_pm_enable_bus_clock(PM_BUS_AHB, USB);
|
|
_gclk_enable_channel(USB_GCLK_ID, GCLK_CLKCTRL_GEN_GCLK0_Val);
|
|
#endif
|
|
|
|
#ifdef SAM_D5X_E5X
|
|
hri_gclk_write_PCHCTRL_reg(GCLK, USB_GCLK_ID, GCLK_PCHCTRL_GEN_GCLK1_Val | GCLK_PCHCTRL_CHEN);
|
|
hri_mclk_set_AHBMASK_USB_bit(MCLK);
|
|
hri_mclk_set_APBBMASK_USB_bit(MCLK);
|
|
#endif
|
|
|
|
gpio_set_pin_direction(PIN_PA24, GPIO_DIRECTION_OUT);
|
|
gpio_set_pin_level(PIN_PA24, false);
|
|
gpio_set_pin_pull_mode(PIN_PA24, GPIO_PULL_OFF);
|
|
gpio_set_pin_direction(PIN_PA25, GPIO_DIRECTION_OUT);
|
|
gpio_set_pin_level(PIN_PA25, false);
|
|
gpio_set_pin_pull_mode(PIN_PA25, GPIO_PULL_OFF);
|
|
#ifdef SAMD21
|
|
gpio_set_pin_function(PIN_PA24, PINMUX_PA24G_USB_DM);
|
|
gpio_set_pin_function(PIN_PA25, PINMUX_PA25G_USB_DP);
|
|
#endif
|
|
#ifdef SAM_D5X_E5X
|
|
gpio_set_pin_function(PIN_PA24, PINMUX_PA24H_USB_DM);
|
|
gpio_set_pin_function(PIN_PA25, PINMUX_PA25H_USB_DP);
|
|
#endif
|
|
}
|
|
|
|
#ifdef SAMD21
|
|
void USB_Handler(void) {
|
|
usb_irq_handler(0);
|
|
}
|
|
#endif
|
|
|
|
#ifdef SAM_D5X_E5X
|
|
// These are different subsets of USB interrupts, *NOT* different USB peripherals.
|
|
void USB_0_Handler(void) {
|
|
usb_irq_handler(0);
|
|
}
|
|
|
|
void USB_1_Handler(void) {
|
|
usb_irq_handler(0);
|
|
}
|
|
|
|
void USB_2_Handler(void) {
|
|
usb_irq_handler(0);
|
|
}
|
|
|
|
void USB_3_Handler(void) {
|
|
usb_irq_handler(0);
|
|
}
|
|
#endif
|