81 lines
2.9 KiB
C
81 lines
2.9 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2018 hathach for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "tick.h"
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#include "supervisor/usb.h"
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#include "lib/utils/interrupt_char.h"
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#include "lib/mp-readline/readline.h"
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#include "stm32f4xx_hal.h"
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#define USB_OTGFS_VBUS_Pin GPIO_PIN_9
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#define USB_OTGFS_VBUS_GPIO_Port GPIOA
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#define USB_OTGFS_ID_Pin GPIO_PIN_10
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#define USB_OTGFS_ID_GPIO_Port GPIOA
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#define USB_OTGFS_DM_Pin GPIO_PIN_11
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#define USB_OTGFS_DM_GPIO_Port GPIOA
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#define USB_OTGFS_DP_Pin GPIO_PIN_12
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#define USB_OTGFS_DP_GPIO_Port GPIOA
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void init_usb_hardware(void) {
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// HAL_GPIO_WritePin(GPIOE, GPIO_PIN_1, GPIO_PIN_RESET); //LED 2
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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/**USB_OTG_FS GPIO Configuration
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PA10 ------> USB_OTG_FS_ID
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PA11 ------> USB_OTG_FS_DM
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PA12 ------> USB_OTG_FS_DP
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*/
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GPIO_InitStruct.Pin = USB_OTGFS_VBUS_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(USB_OTGFS_VBUS_GPIO_Port, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = USB_OTGFS_DM_Pin|USB_OTGFS_DP_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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//TinyUSB suggestion
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GPIO_InitStruct.Pin = USB_OTGFS_ID_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/* Peripheral clock enable */
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__HAL_RCC_USB_OTG_FS_CLK_ENABLE();
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/* Peripheral interrupt init */
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HAL_NVIC_SetPriority(OTG_FS_IRQn, 0, 0);
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HAL_NVIC_EnableIRQ(OTG_FS_IRQn);
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//HAL_GPIO_WritePin(GPIOE, GPIO_PIN_2, GPIO_PIN_RESET); //LED 3
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}
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