490 lines
15 KiB
C
490 lines
15 KiB
C
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019
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* William D. Jones (thor0505@comcast.net),
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* Ha Thach (tinyusb.org)
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* Uwe Bonnes (bon@elektron.ikp.physik.tu-darmstadt.de
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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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/* metadata:
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manufacturer: STMicroelectronics
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*/
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#include "stm32h7rsxx_hal.h"
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#include "bsp/board_api.h"
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TU_ATTR_UNUSED static void Error_Handler(void) { }
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typedef struct {
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GPIO_TypeDef* port;
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GPIO_InitTypeDef pin_init;
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uint8_t active_state;
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} board_pindef_t;
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#include "board.h"
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//--------------------------------------------------------------------+
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// MACRO TYPEDEF CONSTANT ENUM
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//--------------------------------------------------------------------+
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#ifdef UART_DEV
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UART_HandleTypeDef UartHandle = {
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.Instance = UART_DEV,
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.Init = {
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.BaudRate = CFG_BOARD_UART_BAUDRATE,
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.WordLength = UART_WORDLENGTH_8B,
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.StopBits = UART_STOPBITS_1,
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.Parity = UART_PARITY_NONE,
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.HwFlowCtl = UART_HWCONTROL_NONE,
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.Mode = UART_MODE_TX_RX,
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.OverSampling = UART_OVERSAMPLING_16,
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}
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};
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#endif
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#ifndef SWO_FREQ
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#define SWO_FREQ 4000000
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#endif
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//--------------------------------------------------------------------+
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// Forward USB interrupt events to TinyUSB IRQ Handler
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//--------------------------------------------------------------------+
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// Despite being call USB2_OTG_FS on some MCUs
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// OTG_FS is marked as RHPort0 by TinyUSB to be consistent across stm32 port
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void OTG_FS_IRQHandler(void) {
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tusb_int_handler(0, true);
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}
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// Despite being call USB1_OTG_HS on some MCUs
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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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tusb_int_handler(1, true);
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}
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#ifdef TRACE_ETM
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void trace_etm_init(void) {
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// H7 trace pin is PE2 to PE6
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GPIO_InitTypeDef gpio_init;
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gpio_init.Pin = GPIO_PIN_2 | GPIO_PIN_3 | GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_6;
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gpio_init.Mode = GPIO_MODE_AF_PP;
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gpio_init.Pull = GPIO_PULLUP;
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gpio_init.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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gpio_init.Alternate = GPIO_AF0_TRACE;
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HAL_GPIO_Init(GPIOE, &gpio_init);
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// Enable trace clk, also in D1 and D3 domain
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DBGMCU->CR |= DBGMCU_CR_DBG_TRACECKEN | DBGMCU_CR_DBG_CKD1EN | DBGMCU_CR_DBG_CKD3EN;
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}
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#else
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#define trace_etm_init()
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#endif
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#ifdef LOGGER_SWO
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void log_swo_init(void)
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{
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//UNLOCK FUNNEL
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*(volatile uint32_t*)(0x5C004FB0) = 0xC5ACCE55; // SWTF_LAR
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*(volatile uint32_t*)(0x5C003FB0) = 0xC5ACCE55; // SWO_LAR
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//SWO current output divisor register
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//To change it, you can use the following rule
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// value = (CPU_Freq / 3 / SWO_Freq) - 1
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*(volatile uint32_t*)(0x5C003010) = ((SystemCoreClock / 3 / SWO_FREQ) - 1); // SWO_CODR
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//SWO selected pin protocol register
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*(volatile uint32_t*)(0x5C0030F0) = 0x00000002; // SWO_SPPR
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//Enable ITM input of SWO trace funnel
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*(volatile uint32_t*)(0x5C004000) |= 0x00000001; // SWFT_CTRL
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}
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#else
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#define log_swo_init()
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#endif
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static void MPU_AdjustRegionAddressSize(uint32_t Address, uint32_t Size, MPU_Region_InitTypeDef* pInit);
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static void MPU_Config(void)
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{
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MPU_Region_InitTypeDef MPU_InitStruct = {0};
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uint32_t index = MPU_REGION_NUMBER0;
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uint32_t address;
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uint32_t size;
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/* Disable the MPU */
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HAL_MPU_Disable();
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/* Initialize the background region */
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MPU_InitStruct.Enable = MPU_REGION_ENABLE;
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MPU_InitStruct.Number = index;
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MPU_InitStruct.BaseAddress = 0x0;
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MPU_InitStruct.Size = MPU_REGION_SIZE_4GB;
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MPU_InitStruct.SubRegionDisable = 0x87;
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MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0;
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MPU_InitStruct.AccessPermission = MPU_REGION_NO_ACCESS;
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MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_DISABLE;
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MPU_InitStruct.IsShareable = MPU_ACCESS_SHAREABLE;
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MPU_InitStruct.IsCacheable = MPU_ACCESS_CACHEABLE;
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MPU_InitStruct.IsBufferable = MPU_ACCESS_BUFFERABLE;
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HAL_MPU_ConfigRegion(&MPU_InitStruct);
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index++;
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/* Initialize the non cacheable region */
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#if defined ( __ICCARM__ )
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/* get the region attribute form the icf file */
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extern uint32_t NONCACHEABLEBUFFER_start;
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extern uint32_t NONCACHEABLEBUFFER_size;
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address = (uint32_t)&NONCACHEABLEBUFFER_start;
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size = (uint32_t)&NONCACHEABLEBUFFER_size;
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#elif defined (__CC_ARM) || defined(__ARMCC_VERSION)
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extern uint32_t Image$$RW_NONCACHEABLEBUFFER$$Base;
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extern uint32_t Image$$RW_NONCACHEABLEBUFFER$$Length;
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extern uint32_t Image$$RW_NONCACHEABLEBUFFER$$ZI$$Length;
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address = (uint32_t)&Image$$RW_NONCACHEABLEBUFFER$$Base;
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size = (uint32_t)&Image$$RW_NONCACHEABLEBUFFER$$Length + (uint32_t)&Image$$RW_NONCACHEABLEBUFFER$$ZI$$Length;
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#elif defined ( __GNUC__ )
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extern int __NONCACHEABLEBUFFER_BEGIN;
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extern int __NONCACHEABLEBUFFER_END;
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address = (uint32_t)&__NONCACHEABLEBUFFER_BEGIN;
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size = (uint32_t)&__NONCACHEABLEBUFFER_END - (uint32_t)&__NONCACHEABLEBUFFER_BEGIN;
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#else
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#error "Compiler toolchain is unsupported"
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#endif
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if (size != 0)
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{
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/* Configure the MPU attributes as Normal Non Cacheable */
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MPU_InitStruct.Enable = MPU_REGION_ENABLE;
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MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;
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MPU_InitStruct.IsBufferable = MPU_ACCESS_NOT_BUFFERABLE;
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MPU_InitStruct.IsCacheable = MPU_ACCESS_NOT_CACHEABLE;
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MPU_InitStruct.IsShareable = MPU_ACCESS_NOT_SHAREABLE;
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MPU_InitStruct.Number = index;
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MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL1;
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MPU_InitStruct.SubRegionDisable = 0x00;
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MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_DISABLE;
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MPU_AdjustRegionAddressSize(address, size, &MPU_InitStruct);
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HAL_MPU_ConfigRegion(&MPU_InitStruct);
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index++;
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}
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/* Initialize the region corresponding to the execution area
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(external or internal flash or external or internal RAM
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depending on scatter file definition) */
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#if defined ( __ICCARM__ )
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extern uint32_t __ICFEDIT_region_ROM_start__;
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extern uint32_t __ICFEDIT_region_ROM_end__;
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address = (uint32_t)&__ICFEDIT_region_ROM_start__;
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size = (uint32_t)&__ICFEDIT_region_ROM_end__ - (uint32_t)&__ICFEDIT_region_ROM_start__ + 1;
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#elif defined (__CC_ARM) || defined(__ARMCC_VERSION)
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extern uint32_t Image$$ER_ROM$$Base;
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extern uint32_t Image$$ER_ROM$$Limit;
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address = (uint32_t)&Image$$ER_ROM$$Base;
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size = (uint32_t)&Image$$ER_ROM$$Limit-(uint32_t)&Image$$ER_ROM$$Base;
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#elif defined ( __GNUC__ )
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extern uint32_t __FLASH_BEGIN;
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extern uint32_t __FLASH_SIZE;
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address = (uint32_t)&__FLASH_BEGIN;
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size = (uint32_t)&__FLASH_SIZE;
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#else
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#error "Compiler toolchain is unsupported"
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#endif
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MPU_InitStruct.Enable = MPU_REGION_ENABLE;
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MPU_InitStruct.Number = index;
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MPU_InitStruct.SubRegionDisable = 0u;
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MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL1;
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MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;
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MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_ENABLE;
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MPU_InitStruct.IsShareable = MPU_ACCESS_SHAREABLE;
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MPU_InitStruct.IsCacheable = MPU_ACCESS_CACHEABLE;
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MPU_InitStruct.IsBufferable = MPU_ACCESS_BUFFERABLE;
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MPU_AdjustRegionAddressSize(address, size, &MPU_InitStruct);
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HAL_MPU_ConfigRegion(&MPU_InitStruct);
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index++;
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/* Reset unused MPU regions */
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for(; index < __MPU_REGIONCOUNT ; index++)
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{
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/* All unused regions disabled */
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MPU_InitStruct.Enable = MPU_REGION_DISABLE;
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MPU_InitStruct.Number = index;
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HAL_MPU_ConfigRegion(&MPU_InitStruct);
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}
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/* Enable the MPU */
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HAL_MPU_Enable(MPU_PRIVILEGED_DEFAULT);
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}
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/**
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* @brief This function adjusts the MPU region Address and Size within an MPU configuration.
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* @param Address memory address
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* @param Size memory size
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* @param pInit pointer to an MPU initialization structure
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* @retval None
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*/
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static void MPU_AdjustRegionAddressSize(uint32_t Address, uint32_t Size, MPU_Region_InitTypeDef* pInit)
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{
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/* Compute the MPU region size */
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pInit->Size = ((31 - __CLZ(Size)) - 1);
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if (Size > (1u << (pInit->Size + 1)))
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{
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pInit->Size++;
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}
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uint32_t Modulo = Address % (1 << (pInit->Size - 1));
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if (0 != Modulo)
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{
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/* Align address with MPU region size considering there is no need to increase the size */
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pInit->BaseAddress = Address - Modulo;
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}
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else
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{
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pInit->BaseAddress = Address;
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}
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}
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void board_init(void) {
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HAL_Init();
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MPU_Config();
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SCB_EnableICache();
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SCB_EnableDCache();
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HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
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// Implemented in board.h
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SystemClock_Config();
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// Enable All GPIOs 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_GPIOE_CLK_ENABLE();
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__HAL_RCC_GPIOF_CLK_ENABLE();
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__HAL_RCC_GPIOG_CLK_ENABLE();
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__HAL_RCC_GPIOM_CLK_ENABLE();
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__HAL_RCC_GPION_CLK_ENABLE();
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__HAL_RCC_GPIOO_CLK_ENABLE();
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__HAL_RCC_GPIOP_CLK_ENABLE();
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log_swo_init();
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trace_etm_init();
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for (uint8_t i = 0; i < TU_ARRAY_SIZE(board_pindef); i++) {
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HAL_GPIO_Init(board_pindef[i].port, &board_pindef[i].pin_init);
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}
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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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#elif CFG_TUSB_OS == OPT_OS_FREERTOS
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// Explicitly disable systick to prevent its ISR runs before scheduler start
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SysTick->CTRL &= ~1U;
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// If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
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#ifdef USB_OTG_FS_PERIPH_BASE
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NVIC_SetPriority(OTG_FS_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
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#endif
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NVIC_SetPriority(OTG_HS_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
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#endif
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#ifdef UART_DEV
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UART_CLK_EN();
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HAL_UART_Init(&UartHandle);
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#endif
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//------------- USB FS -------------//
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#if (CFG_TUD_ENABLED && BOARD_TUD_RHPORT == 0) || (CFG_TUH_ENABLED && BOARD_TUH_RHPORT == 0)
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// OTG_FS is marked as RHPort0 by TinyUSB to be consistent across stm32 port
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HAL_PWREx_EnableUSBVoltageDetector();
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HAL_PWREx_EnableUSBReg();
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__HAL_RCC_USB2_OTG_FS_CLK_ENABLE();
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// PM14 VUSB, PM10 ID, PM11 DM, PM12 DP
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// Configure DM DP Pins
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GPIO_InitTypeDef GPIO_InitStruct;
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GPIO_InitStruct.Pin = GPIO_PIN_11 | GPIO_PIN_12;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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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_FS;
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HAL_GPIO_Init(GPIOM, &GPIO_InitStruct);
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// This for ID line debug
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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.Speed = GPIO_SPEED_FREQ_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS;
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HAL_GPIO_Init(GPIOM, &GPIO_InitStruct);
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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_14;
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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.Alternate = GPIO_AF10_OTG_FS;
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HAL_GPIO_Init(GPIOM, &GPIO_InitStruct);
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// Enable VBUS sense (B device) via pin PM14
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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)
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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 // vbus sense
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#endif
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//------------- USB HS -------------//
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#if (CFG_TUD_ENABLED && BOARD_TUD_RHPORT == 1) || (CFG_TUH_ENABLED && BOARD_TUH_RHPORT == 1)
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// Enable USB HS & ULPI Clocks
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__HAL_RCC_USB_OTG_HS_CLK_ENABLE();
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__HAL_RCC_USBPHYC_CLK_ENABLE();
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// Enable USB power
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HAL_PWREx_EnableUSBVoltageDetector();
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HAL_PWREx_EnableUSBHSregulator();
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#if OTG_HS_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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GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
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HAL_GPIO_Init(GPIOM, &GPIO_InitStruct);
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// Enable VBUS sense (B device) via pin PM9
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USB_OTG_HS->GCCFG |= USB_OTG_GCCFG_VBDEN;
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#else
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// Disable VBUS sense (B device)
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USB_OTG_HS->GCCFG &= ~USB_OTG_GCCFG_VBDEN;
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#if CFG_TUD_ENABLED && BOARD_TUD_RHPORT == 1
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// B-peripheral session valid override enable
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USB_OTG_HS->GCCFG |= USB_OTG_GCCFG_VBVALEXTOEN;
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USB_OTG_HS->GCCFG |= USB_OTG_GCCFG_VBVALOVAL;
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#else
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USB_OTG_HS->GCCFG |= USB_OTG_GCCFG_PULLDOWNEN;
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#endif
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#endif
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#endif
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board_init2();
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#if CFG_TUH_ENABLED
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board_vbus_set(BOARD_TUH_RHPORT, 1);
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#endif
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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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#ifdef PINID_LED
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board_pindef_t* pindef = &board_pindef[PINID_LED];
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GPIO_PinState pin_state = state == pindef->active_state ? GPIO_PIN_SET : GPIO_PIN_RESET;
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HAL_GPIO_WritePin(pindef->port, pindef->pin_init.Pin, pin_state);
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#else
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(void) state;
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#endif
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}
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uint32_t board_button_read(void) {
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#ifdef PINID_BUTTON
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board_pindef_t* pindef = &board_pindef[PINID_BUTTON];
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return pindef->active_state == HAL_GPIO_ReadPin(pindef->port, pindef->pin_init.Pin);
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#else
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return 0;
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#endif
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}
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size_t board_get_unique_id(uint8_t id[], size_t max_len) {
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(void) max_len;
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volatile uint32_t * stm32_uuid = (volatile uint32_t *) UID_BASE;
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uint32_t* id32 = (uint32_t*) (uintptr_t) id;
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uint8_t const len = 12;
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id32[0] = stm32_uuid[0];
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id32[1] = stm32_uuid[1];
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id32[2] = stm32_uuid[2];
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return len;
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}
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int board_uart_read(uint8_t *buf, int len) {
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(void) buf;
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(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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#ifdef UART_DEV
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HAL_UART_Transmit(&UartHandle, (uint8_t * )(uintptr_t)
|
|
buf, len, 0xffff);
|
|
return len;
|
|
#else
|
|
(void) buf; (void) len;
|
|
return -1;
|
|
#endif
|
|
}
|
|
|
|
#if CFG_TUSB_OS == OPT_OS_NONE
|
|
volatile uint32_t system_ticks = 0;
|
|
|
|
void SysTick_Handler(void) {
|
|
HAL_IncTick();
|
|
system_ticks++;
|
|
}
|
|
|
|
uint32_t board_millis(void) {
|
|
return system_ticks;
|
|
}
|
|
|
|
#endif
|
|
|
|
void HardFault_Handler(void) {
|
|
__asm("BKPT #0\n");
|
|
}
|
|
|
|
// Required by __libc_init_array in startup code if we are compiling using
|
|
// -nostdlib/-nostartfiles.
|
|
void _init(void) {
|
|
}
|