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/*
* The MIT License (MIT)
*
* Copyright (c) 2019
* William D. Jones (thor0505@comcast.net),
* Ha Thach (tinyusb.org)
* Uwe Bonnes (bon@elektron.ikp.physik.tu-darmstadt.de
*
* 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.
*
* This file is part of the TinyUSB stack.
*/
#include "stm32h7xx_hal.h"
#include "bsp/board.h"
#include "board.h"
//--------------------------------------------------------------------+
// Forward USB interrupt events to TinyUSB IRQ Handler
//--------------------------------------------------------------------+
// Despite being call USB2_OTG
// OTG_FS is marked as RHPort0 by TinyUSB to be consistent across stm32 port
void OTG_FS_IRQHandler(void)
{
tud_int_handler(0);
}
// Despite being call USB2_OTG
// OTG_HS is marked as RHPort1 by TinyUSB to be consistent across stm32 port
void OTG_HS_IRQHandler(void)
{
tud_int_handler(1);
}
//--------------------------------------------------------------------+
// MACRO TYPEDEF CONSTANT ENUM
//--------------------------------------------------------------------+
UART_HandleTypeDef UartHandle;
void board_init(void)
{
board_stm32h7_clock_init();
// Enable All GPIOs clocks
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE(); // USB ULPI NXT
__HAL_RCC_GPIOC_CLK_ENABLE(); // USB ULPI NXT
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOE_CLK_ENABLE();
__HAL_RCC_GPIOE_CLK_ENABLE();
__HAL_RCC_GPIOG_CLK_ENABLE();
__HAL_RCC_GPIOH_CLK_ENABLE(); // USB ULPI NXT
__HAL_RCC_GPIOI_CLK_ENABLE(); // USB ULPI NXT
__HAL_RCC_GPIOJ_CLK_ENABLE();
// Enable UART Clock
UART_CLK_EN();
// 1ms tick timer
SysTick_Config(SystemCoreClock / 1000);
#if CFG_TUSB_OS == OPT_OS_FREERTOS
// If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
NVIC_SetPriority(OTG_FS_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
NVIC_SetPriority(OTG_HS_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
#endif
GPIO_InitTypeDef GPIO_InitStruct;
// LED
GPIO_InitStruct.Pin = LED_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(LED_PORT, &GPIO_InitStruct);
// Button
GPIO_InitStruct.Pin = BUTTON_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(BUTTON_PORT, &GPIO_InitStruct);
// Uart
GPIO_InitStruct.Pin = UART_TX_PIN | UART_RX_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = UART_GPIO_AF;
HAL_GPIO_Init(UART_GPIO_PORT, &GPIO_InitStruct);
UartHandle.Instance = UART_DEV;
UartHandle.Init.BaudRate = CFG_BOARD_UART_BAUDRATE;
UartHandle.Init.WordLength = UART_WORDLENGTH_8B;
UartHandle.Init.StopBits = UART_STOPBITS_1;
UartHandle.Init.Parity = UART_PARITY_NONE;
UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE;
UartHandle.Init.Mode = UART_MODE_TX_RX;
UartHandle.Init.OverSampling = UART_OVERSAMPLING_16;
HAL_UART_Init(&UartHandle);
#if BOARD_DEVICE_RHPORT_NUM == 0
// Despite being call USB2_OTG
// OTG_FS is marked as RHPort0 by TinyUSB to be consistent across stm32 port
// PA9 VUSB, PA10 ID, PA11 DM, PA12 DP
/* Configure DM DP Pins */
GPIO_InitStruct.Pin = GPIO_PIN_11 | GPIO_PIN_12;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG2_HS;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* This for ID line debug */
GPIO_InitStruct.Pin = GPIO_PIN_10;
GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG2_HS;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
// https://community.st.com/s/question/0D50X00009XkYZLSA3/stm32h7-nucleo-usb-fs-cdc
// TODO: Board init actually works fine without this line.
HAL_PWREx_EnableUSBVoltageDetector();
__HAL_RCC_USB2_OTG_FS_CLK_ENABLE();
#if OTG_FS_VBUS_SENSE
/* Configure VBUS Pin */
GPIO_InitStruct.Pin = GPIO_PIN_9;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
// Enable VBUS sense (B device) via pin PA9
USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_VBDEN;
#else
// Disable VBUS sense (B device) via pin PA9
USB_OTG_FS->GCCFG &= ~USB_OTG_GCCFG_VBDEN;
// B-peripheral session valid override enable
USB_OTG_FS->GOTGCTL |= USB_OTG_GOTGCTL_BVALOEN;
USB_OTG_FS->GOTGCTL |= USB_OTG_GOTGCTL_BVALOVAL;
#endif // vbus sense
#elif BOARD_DEVICE_RHPORT_NUM == 1
// Despite being call USB2_OTG
// OTG_HS is marked as RHPort1 by TinyUSB to be consistent across stm32 port
/* CLK */
GPIO_InitStruct.Pin = GPIO_PIN_5;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG2_HS;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* D0 */
GPIO_InitStruct.Pin = GPIO_PIN_3;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG2_HS;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* D1 D2 D3 D4 D5 D6 D7 */
GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_5 | GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG2_HS;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* STP */
GPIO_InitStruct.Pin = GPIO_PIN_0;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG2_HS;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
/* NXT */
GPIO_InitStruct.Pin = GPIO_PIN_4;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG2_HS;
HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
/* DIR */
GPIO_InitStruct.Pin = GPIO_PIN_11;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG2_HS;
HAL_GPIO_Init(GPIOI, &GPIO_InitStruct);
// Enable USB HS & ULPI Clocks
__HAL_RCC_USB1_OTG_HS_ULPI_CLK_ENABLE();
__HAL_RCC_USB1_OTG_HS_CLK_ENABLE();
#if OTG_HS_VBUS_SENSE
#error OTG HS VBUS Sense enabled is not implemented
#else
// No VBUS sense
USB_OTG_HS->GCCFG &= ~USB_OTG_GCCFG_VBDEN;
// B-peripheral session valid override enable
USB_OTG_HS->GOTGCTL |= USB_OTG_GOTGCTL_BVALOEN;
USB_OTG_HS->GOTGCTL |= USB_OTG_GOTGCTL_BVALOVAL;
#endif
// Force device mode
USB_OTG_HS->GUSBCFG &= ~USB_OTG_GUSBCFG_FHMOD;
USB_OTG_HS->GUSBCFG |= USB_OTG_GUSBCFG_FDMOD;
HAL_PWREx_EnableUSBVoltageDetector();
#endif // rhport = 1
}
//--------------------------------------------------------------------+
// Board porting API
//--------------------------------------------------------------------+
void board_led_write(bool state)
{
HAL_GPIO_WritePin(LED_PORT, LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
}
uint32_t board_button_read(void)
{
return (BUTTON_STATE_ACTIVE == HAL_GPIO_ReadPin(BUTTON_PORT, BUTTON_PIN)) ? 1 : 0;
}
int board_uart_read(uint8_t* buf, int len)
{
(void) buf; (void) len;
return 0;
}
int board_uart_write(void const * buf, int len)
{
HAL_UART_Transmit(&UartHandle, (uint8_t*) buf, len, 0xffff);
return len;
}
#if CFG_TUSB_OS == OPT_OS_NONE
volatile uint32_t system_ticks = 0;
void SysTick_Handler (void)
{
system_ticks++;
}
uint32_t board_millis(void)
{
return system_ticks;
}
#endif
void HardFault_Handler (void)
{
asm("bkpt");
}
// Required by __libc_init_array in startup code if we are compiling using
// -nostdlib/-nostartfiles.
void _init(void)
{
}
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