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-/**
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- ******************************************************************************
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- * @file startup_stm32f401xc.s
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- * @author MCD Application Team
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- * @brief STM32F401xCxx Devices vector table for GCC based toolchains.
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- * This module performs:
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- * - Set the initial SP
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- * - Set the initial PC == Reset_Handler,
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- * - Set the vector table entries with the exceptions ISR address
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- * - Branches to main in the C library (which eventually
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- * calls main()).
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- * After Reset the Cortex-M4 processor is in Thread mode,
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- * priority is Privileged, and the Stack is set to Main.
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- ******************************************************************************
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- * @attention
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- *
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- * Copyright (c) 2017 STMicroelectronics.
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- * All rights reserved.
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- *
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- * This software is licensed under terms that can be found in the LICENSE file
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- * in the root directory of this software component.
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- * If no LICENSE file comes with this software, it is provided AS-IS.
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- *
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- ******************************************************************************
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- */
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-
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- .syntax unified
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- .cpu cortex-m4
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- .fpu softvfp
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- .thumb
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-
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-.global g_pfnVectors
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-.global Default_Handler
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-
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-/* start address for the initialization values of the .data section.
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-defined in linker script */
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-.word _sidata
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-/* start address for the .data section. defined in linker script */
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-.word _sdata
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-/* end address for the .data section. defined in linker script */
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-.word _edata
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-/* start address for the .bss section. defined in linker script */
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-.word _sbss
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-/* end address for the .bss section. defined in linker script */
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-.word _ebss
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-/* stack used for SystemInit_ExtMemCtl; always internal RAM used */
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-
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-/**
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- * @brief This is the code that gets called when the processor first
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- * starts execution following a reset event. Only the absolutely
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- * necessary set is performed, after which the application
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- * supplied main() routine is called.
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- * @param None
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- * @retval : None
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-*/
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-
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- .section .text.Reset_Handler
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- .weak Reset_Handler
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- .type Reset_Handler, %function
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-Reset_Handler:
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- ldr sp, =_estack /* set stack pointer */
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-
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-/* Call the clock system initialization function.*/
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- bl SystemInit
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-
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-/* Copy the data segment initializers from flash to SRAM */
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- ldr r0, =_sdata
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- ldr r1, =_edata
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- ldr r2, =_sidata
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- movs r3, #0
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- b LoopCopyDataInit
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-
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-CopyDataInit:
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- ldr r4, [r2, r3]
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- str r4, [r0, r3]
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- adds r3, r3, #4
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-
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-LoopCopyDataInit:
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- adds r4, r0, r3
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- cmp r4, r1
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- bcc CopyDataInit
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-
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-/* Zero fill the bss segment. */
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- ldr r2, =_sbss
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- ldr r4, =_ebss
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- movs r3, #0
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- b LoopFillZerobss
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-
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-FillZerobss:
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- str r3, [r2]
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- adds r2, r2, #4
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-
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-LoopFillZerobss:
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- cmp r2, r4
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- bcc FillZerobss
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-
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-/* Call static constructors */
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- bl __libc_init_array
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-/* Call the application's entry point.*/
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- bl main
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- bx lr
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-.size Reset_Handler, .-Reset_Handler
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-
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-/**
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- * @brief This is the code that gets called when the processor receives an
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- * unexpected interrupt. This simply enters an infinite loop, preserving
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- * the system state for examination by a debugger.
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- * @param None
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- * @retval None
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-*/
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- .section .text.Default_Handler,"ax",%progbits
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-Default_Handler:
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-Infinite_Loop:
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- b Infinite_Loop
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- .size Default_Handler, .-Default_Handler
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-/******************************************************************************
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-*
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-* The minimal vector table for a Cortex M3. Note that the proper constructs
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-* must be placed on this to ensure that it ends up at physical address
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-* 0x0000.0000.
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-*
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-*******************************************************************************/
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- .section .isr_vector,"a",%progbits
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- .type g_pfnVectors, %object
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-
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-g_pfnVectors:
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- .word _estack
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- .word Reset_Handler
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- .word NMI_Handler
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- .word HardFault_Handler
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- .word MemManage_Handler
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- .word BusFault_Handler
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- .word UsageFault_Handler
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- .word 0
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- .word 0
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- .word 0
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- .word 0
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- .word SVC_Handler
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- .word DebugMon_Handler
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- .word 0
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- .word PendSV_Handler
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- .word SysTick_Handler
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-
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- /* External Interrupts */
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- .word WWDG_IRQHandler /* Window WatchDog */
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- .word PVD_IRQHandler /* PVD through EXTI Line detection */
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- .word TAMP_STAMP_IRQHandler /* Tamper and TimeStamps through the EXTI line */
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- .word RTC_WKUP_IRQHandler /* RTC Wakeup through the EXTI line */
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- .word FLASH_IRQHandler /* FLASH */
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- .word RCC_IRQHandler /* RCC */
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- .word EXTI0_IRQHandler /* EXTI Line0 */
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- .word EXTI1_IRQHandler /* EXTI Line1 */
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- .word EXTI2_IRQHandler /* EXTI Line2 */
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- .word EXTI3_IRQHandler /* EXTI Line3 */
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- .word EXTI4_IRQHandler /* EXTI Line4 */
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- .word DMA1_Stream0_IRQHandler /* DMA1 Stream 0 */
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- .word DMA1_Stream1_IRQHandler /* DMA1 Stream 1 */
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- .word DMA1_Stream2_IRQHandler /* DMA1 Stream 2 */
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- .word DMA1_Stream3_IRQHandler /* DMA1 Stream 3 */
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- .word DMA1_Stream4_IRQHandler /* DMA1 Stream 4 */
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- .word DMA1_Stream5_IRQHandler /* DMA1 Stream 5 */
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- .word DMA1_Stream6_IRQHandler /* DMA1 Stream 6 */
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- .word ADC_IRQHandler /* ADC1 */
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- .word 0 /* Reserved */
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- .word 0 /* Reserved */
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- .word 0 /* Reserved */
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- .word 0 /* Reserved */
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- .word EXTI9_5_IRQHandler /* External Line[9:5]s */
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- .word TIM1_BRK_TIM9_IRQHandler /* TIM1 Break and TIM9 */
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- .word TIM1_UP_TIM10_IRQHandler /* TIM1 Update and TIM10 */
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- .word TIM1_TRG_COM_TIM11_IRQHandler /* TIM1 Trigger and Commutation and TIM11 */
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- .word TIM1_CC_IRQHandler /* TIM1 Capture Compare */
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- .word TIM2_IRQHandler /* TIM2 */
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- .word TIM3_IRQHandler /* TIM3 */
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- .word TIM4_IRQHandler /* TIM4 */
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- .word I2C1_EV_IRQHandler /* I2C1 Event */
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- .word I2C1_ER_IRQHandler /* I2C1 Error */
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- .word I2C2_EV_IRQHandler /* I2C2 Event */
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- .word I2C2_ER_IRQHandler /* I2C2 Error */
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- .word SPI1_IRQHandler /* SPI1 */
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- .word SPI2_IRQHandler /* SPI2 */
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- .word USART1_IRQHandler /* USART1 */
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- .word USART2_IRQHandler /* USART2 */
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- .word 0 /* Reserved */
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- .word EXTI15_10_IRQHandler /* External Line[15:10]s */
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- .word RTC_Alarm_IRQHandler /* RTC Alarm (A and B) through EXTI Line */
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- .word OTG_FS_WKUP_IRQHandler /* USB OTG FS Wakeup through EXTI line */
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- .word 0 /* Reserved */
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- .word 0 /* Reserved */
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- .word 0 /* Reserved */
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- .word 0 /* Reserved */
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- .word DMA1_Stream7_IRQHandler /* DMA1 Stream7 */
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- .word 0 /* Reserved */
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- .word SDIO_IRQHandler /* SDIO */
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- .word TIM5_IRQHandler /* TIM5 */
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- .word SPI3_IRQHandler /* SPI3 */
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- .word 0 /* Reserved */
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- .word 0 /* Reserved */
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- .word 0 /* Reserved */
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- .word 0 /* Reserved */
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- .word DMA2_Stream0_IRQHandler /* DMA2 Stream 0 */
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- .word DMA2_Stream1_IRQHandler /* DMA2 Stream 1 */
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- .word DMA2_Stream2_IRQHandler /* DMA2 Stream 2 */
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- .word DMA2_Stream3_IRQHandler /* DMA2 Stream 3 */
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- .word DMA2_Stream4_IRQHandler /* DMA2 Stream 4 */
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- .word 0 /* Reserved */
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- .word 0 /* Reserved */
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- .word 0 /* Reserved */
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- .word 0 /* Reserved */
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- .word 0 /* Reserved */
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- .word 0 /* Reserved */
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- .word OTG_FS_IRQHandler /* USB OTG FS */
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- .word DMA2_Stream5_IRQHandler /* DMA2 Stream 5 */
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- .word DMA2_Stream6_IRQHandler /* DMA2 Stream 6 */
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- .word DMA2_Stream7_IRQHandler /* DMA2 Stream 7 */
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- .word USART6_IRQHandler /* USART6 */
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- .word I2C3_EV_IRQHandler /* I2C3 event */
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- .word I2C3_ER_IRQHandler /* I2C3 error */
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- .word 0 /* Reserved */
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- .word 0 /* Reserved */
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- .word 0 /* Reserved */
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- .word 0 /* Reserved */
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- .word 0 /* Reserved */
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- .word 0 /* Reserved */
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- .word 0 /* Reserved */
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- .word FPU_IRQHandler /* FPU */
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- .word 0 /* Reserved */
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- .word 0 /* Reserved */
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- .word SPI4_IRQHandler /* SPI4 */
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-
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-
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- .size g_pfnVectors, .-g_pfnVectors
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-
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-/*******************************************************************************
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-*
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-* Provide weak aliases for each Exception handler to the Default_Handler.
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-* As they are weak aliases, any function with the same name will override
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-* this definition.
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-*
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-*******************************************************************************/
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- .weak NMI_Handler
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- .thumb_set NMI_Handler,Default_Handler
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-
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- .weak HardFault_Handler
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- .thumb_set HardFault_Handler,Default_Handler
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-
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- .weak MemManage_Handler
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- .thumb_set MemManage_Handler,Default_Handler
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-
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- .weak BusFault_Handler
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- .thumb_set BusFault_Handler,Default_Handler
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-
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- .weak UsageFault_Handler
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- .thumb_set UsageFault_Handler,Default_Handler
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-
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- .weak SVC_Handler
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- .thumb_set SVC_Handler,Default_Handler
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-
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- .weak DebugMon_Handler
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- .thumb_set DebugMon_Handler,Default_Handler
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-
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- .weak PendSV_Handler
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- .thumb_set PendSV_Handler,Default_Handler
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-
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- .weak SysTick_Handler
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- .thumb_set SysTick_Handler,Default_Handler
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-
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- .weak WWDG_IRQHandler
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- .thumb_set WWDG_IRQHandler,Default_Handler
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-
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- .weak PVD_IRQHandler
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- .thumb_set PVD_IRQHandler,Default_Handler
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-
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- .weak TAMP_STAMP_IRQHandler
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- .thumb_set TAMP_STAMP_IRQHandler,Default_Handler
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-
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- .weak RTC_WKUP_IRQHandler
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- .thumb_set RTC_WKUP_IRQHandler,Default_Handler
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-
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- .weak FLASH_IRQHandler
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- .thumb_set FLASH_IRQHandler,Default_Handler
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-
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- .weak RCC_IRQHandler
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- .thumb_set RCC_IRQHandler,Default_Handler
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-
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- .weak EXTI0_IRQHandler
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- .thumb_set EXTI0_IRQHandler,Default_Handler
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-
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- .weak EXTI1_IRQHandler
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- .thumb_set EXTI1_IRQHandler,Default_Handler
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-
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- .weak EXTI2_IRQHandler
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- .thumb_set EXTI2_IRQHandler,Default_Handler
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-
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- .weak EXTI3_IRQHandler
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- .thumb_set EXTI3_IRQHandler,Default_Handler
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-
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- .weak EXTI4_IRQHandler
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- .thumb_set EXTI4_IRQHandler,Default_Handler
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-
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- .weak DMA1_Stream0_IRQHandler
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- .thumb_set DMA1_Stream0_IRQHandler,Default_Handler
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-
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- .weak DMA1_Stream1_IRQHandler
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- .thumb_set DMA1_Stream1_IRQHandler,Default_Handler
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-
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- .weak DMA1_Stream2_IRQHandler
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- .thumb_set DMA1_Stream2_IRQHandler,Default_Handler
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-
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- .weak DMA1_Stream3_IRQHandler
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- .thumb_set DMA1_Stream3_IRQHandler,Default_Handler
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-
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- .weak DMA1_Stream4_IRQHandler
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- .thumb_set DMA1_Stream4_IRQHandler,Default_Handler
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-
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- .weak DMA1_Stream5_IRQHandler
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- .thumb_set DMA1_Stream5_IRQHandler,Default_Handler
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-
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- .weak DMA1_Stream6_IRQHandler
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- .thumb_set DMA1_Stream6_IRQHandler,Default_Handler
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-
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- .weak ADC_IRQHandler
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- .thumb_set ADC_IRQHandler,Default_Handler
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-
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- .weak EXTI9_5_IRQHandler
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- .thumb_set EXTI9_5_IRQHandler,Default_Handler
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-
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- .weak TIM1_BRK_TIM9_IRQHandler
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- .thumb_set TIM1_BRK_TIM9_IRQHandler,Default_Handler
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-
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- .weak TIM1_UP_TIM10_IRQHandler
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- .thumb_set TIM1_UP_TIM10_IRQHandler,Default_Handler
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-
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- .weak TIM1_TRG_COM_TIM11_IRQHandler
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- .thumb_set TIM1_TRG_COM_TIM11_IRQHandler,Default_Handler
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-
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- .weak TIM1_CC_IRQHandler
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- .thumb_set TIM1_CC_IRQHandler,Default_Handler
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-
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- .weak TIM2_IRQHandler
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- .thumb_set TIM2_IRQHandler,Default_Handler
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-
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- .weak TIM3_IRQHandler
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- .thumb_set TIM3_IRQHandler,Default_Handler
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-
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- .weak TIM4_IRQHandler
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- .thumb_set TIM4_IRQHandler,Default_Handler
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-
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- .weak I2C1_EV_IRQHandler
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- .thumb_set I2C1_EV_IRQHandler,Default_Handler
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-
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- .weak I2C1_ER_IRQHandler
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- .thumb_set I2C1_ER_IRQHandler,Default_Handler
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-
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- .weak I2C2_EV_IRQHandler
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- .thumb_set I2C2_EV_IRQHandler,Default_Handler
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-
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- .weak I2C2_ER_IRQHandler
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- .thumb_set I2C2_ER_IRQHandler,Default_Handler
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-
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- .weak SPI1_IRQHandler
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- .thumb_set SPI1_IRQHandler,Default_Handler
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-
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- .weak SPI2_IRQHandler
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- .thumb_set SPI2_IRQHandler,Default_Handler
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-
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- .weak USART1_IRQHandler
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- .thumb_set USART1_IRQHandler,Default_Handler
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-
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- .weak USART2_IRQHandler
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- .thumb_set USART2_IRQHandler,Default_Handler
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-
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- .weak EXTI15_10_IRQHandler
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- .thumb_set EXTI15_10_IRQHandler,Default_Handler
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-
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- .weak RTC_Alarm_IRQHandler
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- .thumb_set RTC_Alarm_IRQHandler,Default_Handler
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-
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- .weak OTG_FS_WKUP_IRQHandler
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- .thumb_set OTG_FS_WKUP_IRQHandler,Default_Handler
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-
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- .weak DMA1_Stream7_IRQHandler
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- .thumb_set DMA1_Stream7_IRQHandler,Default_Handler
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-
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- .weak SDIO_IRQHandler
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- .thumb_set SDIO_IRQHandler,Default_Handler
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-
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- .weak TIM5_IRQHandler
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- .thumb_set TIM5_IRQHandler,Default_Handler
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-
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- .weak SPI3_IRQHandler
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- .thumb_set SPI3_IRQHandler,Default_Handler
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-
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- .weak DMA2_Stream0_IRQHandler
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- .thumb_set DMA2_Stream0_IRQHandler,Default_Handler
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-
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- .weak DMA2_Stream1_IRQHandler
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- .thumb_set DMA2_Stream1_IRQHandler,Default_Handler
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-
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- .weak DMA2_Stream2_IRQHandler
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- .thumb_set DMA2_Stream2_IRQHandler,Default_Handler
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-
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- .weak DMA2_Stream3_IRQHandler
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- .thumb_set DMA2_Stream3_IRQHandler,Default_Handler
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-
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- .weak DMA2_Stream4_IRQHandler
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- .thumb_set DMA2_Stream4_IRQHandler,Default_Handler
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-
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- .weak OTG_FS_IRQHandler
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- .thumb_set OTG_FS_IRQHandler,Default_Handler
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-
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- .weak DMA2_Stream5_IRQHandler
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- .thumb_set DMA2_Stream5_IRQHandler,Default_Handler
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-
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- .weak DMA2_Stream6_IRQHandler
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- .thumb_set DMA2_Stream6_IRQHandler,Default_Handler
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-
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- .weak DMA2_Stream7_IRQHandler
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- .thumb_set DMA2_Stream7_IRQHandler,Default_Handler
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-
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- .weak USART6_IRQHandler
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- .thumb_set USART6_IRQHandler,Default_Handler
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-
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- .weak I2C3_EV_IRQHandler
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- .thumb_set I2C3_EV_IRQHandler,Default_Handler
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-
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- .weak I2C3_ER_IRQHandler
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- .thumb_set I2C3_ER_IRQHandler,Default_Handler
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-
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- .weak FPU_IRQHandler
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- .thumb_set FPU_IRQHandler,Default_Handler
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-
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- .weak SPI4_IRQHandler
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- .thumb_set SPI4_IRQHandler,Default_Handler
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