307 lines
9.1 KiB
C
307 lines
9.1 KiB
C
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 William D. Jones (thor0505@comcast.net),
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* Uwe Bonnes (bon@elektron.ikp.physik.tu-darmstadt.de),
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* Ha Thach (tinyusb.org)
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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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* This file is part of the TinyUSB stack.
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*/
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#include "stm32f7xx_hal.h"
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#include "bsp/board.h"
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#include "board.h"
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//--------------------------------------------------------------------+
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// Forward USB interrupt events to TinyUSB IRQ 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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// Despite being call USB2_OTG
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// OTG_HS is marked as RHPort1 by TinyUSB to be consistent across stm32 port
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void OTG_HS_IRQHandler(void)
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{
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tud_int_handler(1);
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}
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//--------------------------------------------------------------------+
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// MACRO TYPEDEF CONSTANT ENUM
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//--------------------------------------------------------------------+
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UART_HandleTypeDef UartHandle;
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void board_init(void)
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{
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board_clock_init();
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// Enable peripherals clocks
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__HAL_RCC_GPIOA_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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__HAL_RCC_GPIOD_CLK_ENABLE();
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__HAL_RCC_GPIOG_CLK_ENABLE();
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__HAL_RCC_GPIOH_CLK_ENABLE(); // ULPI NXT
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__HAL_RCC_GPIOI_CLK_ENABLE(); // ULPI NXT
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#ifdef __HAL_RCC_GPIOJ_CLK_ENABLE
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__HAL_RCC_GPIOJ_CLK_ENABLE();
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#endif
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UART_CLK_EN();
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#if CFG_TUSB_OS == OPT_OS_NONE
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// 1ms tick timer
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SysTick_Config(SystemCoreClock / 1000);
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#endif
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GPIO_InitTypeDef GPIO_InitStruct;
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// LED
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GPIO_InitStruct.Pin = LED_PIN;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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HAL_GPIO_Init(LED_PORT, &GPIO_InitStruct);
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// Button
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GPIO_InitStruct.Pin = BUTTON_PIN;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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HAL_GPIO_Init(BUTTON_PORT, &GPIO_InitStruct);
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// Uart TX
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GPIO_InitStruct.Pin = UART_TX_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_HIGH;
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GPIO_InitStruct.Alternate = UART_GPIO_AF;
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HAL_GPIO_Init(UART_TX_PORT, &GPIO_InitStruct);
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// Uart RX
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GPIO_InitStruct.Pin = UART_RX_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_HIGH;
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GPIO_InitStruct.Alternate = UART_GPIO_AF;
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HAL_GPIO_Init(UART_RX_PORT, &GPIO_InitStruct);
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UartHandle.Instance = UART_DEV;
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UartHandle.Init.BaudRate = CFG_BOARD_UART_BAUDRATE;
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UartHandle.Init.WordLength = UART_WORDLENGTH_8B;
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UartHandle.Init.StopBits = UART_STOPBITS_1;
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UartHandle.Init.Parity = UART_PARITY_NONE;
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UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE;
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UartHandle.Init.Mode = UART_MODE_TX_RX;
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UartHandle.Init.OverSampling = UART_OVERSAMPLING_16;
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HAL_UART_Init(&UartHandle);
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#if BOARD_DEVICE_RHPORT_NUM == 0
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// OTG_FS
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/* Configure DM DP Pins */
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GPIO_InitStruct.Pin = (GPIO_PIN_11 | GPIO_PIN_12);
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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_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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/* Configure OTG-FS ID pin */
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GPIO_InitStruct.Pin = GPIO_PIN_10;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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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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/* Enable USB FS Clocks */
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__HAL_RCC_USB_OTG_FS_CLK_ENABLE();
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#if OTG_FS_VBUS_SENSE
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/* Configure VBUS Pin */
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GPIO_InitStruct.Pin = GPIO_PIN_9;
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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(GPIOA, &GPIO_InitStruct);
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// Enable VBUS sense (B device) via pin PA9
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USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_VBDEN;
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#else
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// Disable VBUS sense (B device) via pin PA9
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USB_OTG_FS->GCCFG &= ~USB_OTG_GCCFG_VBDEN;
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// B-peripheral session valid override enable
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USB_OTG_FS->GOTGCTL |= USB_OTG_GOTGCTL_BVALOEN;
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USB_OTG_FS->GOTGCTL |= USB_OTG_GOTGCTL_BVALOVAL;
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#endif
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#else
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// OTG_HS
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#ifdef USB_HS_PHYC
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// MCU with built-in HS PHY such as F723, F733, F730
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/* Configure DM DP Pins */
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GPIO_InitStruct.Pin = (GPIO_PIN_14 | GPIO_PIN_15);
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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_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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// Enable HS VBUS sense (B device) via pin PB13
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USB_OTG_HS->GCCFG |= USB_OTG_GCCFG_VBDEN;
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/* Configure OTG-HS ID pin */
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GPIO_InitStruct.Pin = GPIO_PIN_13;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
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HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
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/* Enable PHYC Clocks */
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__HAL_RCC_OTGPHYC_CLK_ENABLE();
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#else
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// MUC with external ULPI PHY
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/* ULPI CLK */
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GPIO_InitStruct.Pin = GPIO_PIN_5;
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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_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/* ULPI D0 */
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GPIO_InitStruct.Pin = GPIO_PIN_3;
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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_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/* ULPI D1 D2 D3 D4 D5 D6 D7 */
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GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_5;
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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.Alternate = GPIO_AF10_OTG_HS;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/* ULPI STP */
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GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_2;
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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.Alternate = GPIO_AF10_OTG_HS;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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/* NXT */
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GPIO_InitStruct.Pin = GPIO_PIN_4;
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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.Alternate = GPIO_AF10_OTG_HS;
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HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
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/* ULPI DIR */
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GPIO_InitStruct.Pin = GPIO_PIN_11;
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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.Alternate = GPIO_AF10_OTG_HS;
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HAL_GPIO_Init(GPIOI, &GPIO_InitStruct);
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#endif // USB_HS_PHYC
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/* Enable USB HS & ULPI Clocks */
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__HAL_RCC_USB_OTG_HS_ULPI_CLK_ENABLE();
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__HAL_RCC_USB_OTG_HS_CLK_ENABLE();
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#if OTG_HS_VBUS_SENSE
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#error OTG HS VBUS Sense enabled is not implemented
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#else
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// No VBUS sense
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USB_OTG_HS->GCCFG &= ~USB_OTG_GCCFG_VBDEN;
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// B-peripheral session valid override enable
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USB_OTG_HS->GOTGCTL |= USB_OTG_GOTGCTL_BVALOEN;
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USB_OTG_HS->GOTGCTL |= USB_OTG_GOTGCTL_BVALOVAL;
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#endif
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// Force device mode
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USB_OTG_HS->GUSBCFG &= ~USB_OTG_GUSBCFG_FHMOD;
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USB_OTG_HS->GUSBCFG |= USB_OTG_GUSBCFG_FDMOD;
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#endif // BOARD_DEVICE_RHPORT_NUM
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}
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//--------------------------------------------------------------------+
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// Board porting API
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//--------------------------------------------------------------------+
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void board_led_write(bool state)
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{
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HAL_GPIO_WritePin(LED_PORT, LED_PIN, state);
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}
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uint32_t board_button_read(void)
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{
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return HAL_GPIO_ReadPin(BUTTON_PORT, BUTTON_PIN);
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}
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int board_uart_read(uint8_t* buf, int len)
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{
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(void) buf; (void) len;
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return 0;
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}
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int board_uart_write(void const * buf, int len)
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{
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HAL_UART_Transmit(&UartHandle, (uint8_t*) buf, len, 0xffff);
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return len;
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}
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#if CFG_TUSB_OS == OPT_OS_NONE
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volatile uint32_t system_ticks = 0;
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void SysTick_Handler (void)
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{
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system_ticks++;
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}
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uint32_t board_millis(void)
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{
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return system_ticks;
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}
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#endif
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void HardFault_Handler (void)
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{
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asm("bkpt");
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}
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// Required by __libc_init_array in startup code if we are compiling using
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// -nostdlib/-nostartfiles.
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void _init(void)
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{
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}
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