448 lines
20 KiB
ArmAsm
448 lines
20 KiB
ArmAsm
/**
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******************************************************************************
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* @file startup_stm32f410rx.s
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* @author MCD Application Team
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* @brief STM32F410Rx 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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* <h2><center>© COPYRIGHT 2017 STMicroelectronics</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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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.global g_pfnVectors
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.global Default_Handler
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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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* @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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.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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/* Copy the data segment initializers from flash to SRAM */
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movs r1, #0
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b LoopCopyDataInit
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CopyDataInit:
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ldr r3, =_sidata
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ldr r3, [r3, r1]
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str r3, [r0, r1]
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adds r1, r1, #4
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LoopCopyDataInit:
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ldr r0, =_sdata
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ldr r3, =_edata
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adds r2, r0, r1
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cmp r2, r3
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bcc CopyDataInit
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ldr r2, =_sbss
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b LoopFillZerobss
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/* Zero fill the bss segment. */
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FillZerobss:
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movs r3, #0
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str r3, [r2], #4
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LoopFillZerobss:
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ldr r3, = _ebss
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cmp r2, r3
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bcc FillZerobss
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/* Call the clock system intitialization function.*/
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bl SystemInit
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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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* @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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.size g_pfnVectors, .-g_pfnVectors
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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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/* 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, ADC2 and ADC3s */
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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_IRQHandler /* TIM1 Update */
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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 0 /* Reserved */
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.word 0 /* Reserved */
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.word 0 /* Reserved */
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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 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 DMA1_Stream7_IRQHandler /* DMA1 Stream7 */
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.word 0 /* Reserved */
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.word 0 /* Reserved */
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.word TIM5_IRQHandler /* TIM5 */
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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 TIM6_DAC_IRQHandler /* TIM6 and DAC */
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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 0 /* Reserved */
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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 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 0 /* Reserved */
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.word RNG_IRQHandler /* RNG */
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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 0 /* Reserved */
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.word SPI5_IRQHandler /* SPI5 */
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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 0 /* Reserved */
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.word 0 /* Reserved */
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.word FMPI2C1_EV_IRQHandler /* FMPI2C1 Event */
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.word FMPI2C1_ER_IRQHandler /* FMPI2C1 Error */
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.word LPTIM1_IRQHandler /* LP TIM1 */
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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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.weak HardFault_Handler
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.thumb_set HardFault_Handler,Default_Handler
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.weak MemManage_Handler
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.thumb_set MemManage_Handler,Default_Handler
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.weak BusFault_Handler
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.thumb_set BusFault_Handler,Default_Handler
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.weak UsageFault_Handler
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.thumb_set UsageFault_Handler,Default_Handler
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.weak SVC_Handler
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.thumb_set SVC_Handler,Default_Handler
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.weak DebugMon_Handler
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.thumb_set DebugMon_Handler,Default_Handler
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.weak PendSV_Handler
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.thumb_set PendSV_Handler,Default_Handler
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.weak SysTick_Handler
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.thumb_set SysTick_Handler,Default_Handler
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.weak WWDG_IRQHandler
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.thumb_set WWDG_IRQHandler,Default_Handler
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.weak PVD_IRQHandler
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.thumb_set PVD_IRQHandler,Default_Handler
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.weak TAMP_STAMP_IRQHandler
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.thumb_set TAMP_STAMP_IRQHandler,Default_Handler
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.weak RTC_WKUP_IRQHandler
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.thumb_set RTC_WKUP_IRQHandler,Default_Handler
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.weak FLASH_IRQHandler
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.thumb_set FLASH_IRQHandler,Default_Handler
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.weak RCC_IRQHandler
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.thumb_set RCC_IRQHandler,Default_Handler
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.weak EXTI0_IRQHandler
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.thumb_set EXTI0_IRQHandler,Default_Handler
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.weak EXTI1_IRQHandler
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.thumb_set EXTI1_IRQHandler,Default_Handler
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.weak EXTI2_IRQHandler
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.thumb_set EXTI2_IRQHandler,Default_Handler
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.weak EXTI3_IRQHandler
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.thumb_set EXTI3_IRQHandler,Default_Handler
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.weak EXTI4_IRQHandler
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.thumb_set EXTI4_IRQHandler,Default_Handler
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.weak DMA1_Stream0_IRQHandler
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.thumb_set DMA1_Stream0_IRQHandler,Default_Handler
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.weak DMA1_Stream1_IRQHandler
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.thumb_set DMA1_Stream1_IRQHandler,Default_Handler
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.weak DMA1_Stream2_IRQHandler
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.thumb_set DMA1_Stream2_IRQHandler,Default_Handler
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.weak DMA1_Stream3_IRQHandler
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.thumb_set DMA1_Stream3_IRQHandler,Default_Handler
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.weak DMA1_Stream4_IRQHandler
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.thumb_set DMA1_Stream4_IRQHandler,Default_Handler
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.weak DMA1_Stream5_IRQHandler
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.thumb_set DMA1_Stream5_IRQHandler,Default_Handler
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.weak DMA1_Stream6_IRQHandler
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.thumb_set DMA1_Stream6_IRQHandler,Default_Handler
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.weak ADC_IRQHandler
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.thumb_set ADC_IRQHandler,Default_Handler
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.weak EXTI9_5_IRQHandler
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.thumb_set EXTI9_5_IRQHandler,Default_Handler
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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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.weak TIM1_UP_IRQHandler
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.thumb_set TIM1_UP_IRQHandler,Default_Handler
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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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.weak TIM1_CC_IRQHandler
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.thumb_set TIM1_CC_IRQHandler,Default_Handler
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.weak I2C1_EV_IRQHandler
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.thumb_set I2C1_EV_IRQHandler,Default_Handler
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.weak I2C1_ER_IRQHandler
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.thumb_set I2C1_ER_IRQHandler,Default_Handler
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.weak I2C2_EV_IRQHandler
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.thumb_set I2C2_EV_IRQHandler,Default_Handler
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.weak I2C2_ER_IRQHandler
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.thumb_set I2C2_ER_IRQHandler,Default_Handler
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.weak SPI1_IRQHandler
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.thumb_set SPI1_IRQHandler,Default_Handler
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.weak SPI2_IRQHandler
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.thumb_set SPI2_IRQHandler,Default_Handler
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.weak USART1_IRQHandler
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.thumb_set USART1_IRQHandler,Default_Handler
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.weak USART2_IRQHandler
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.thumb_set USART2_IRQHandler,Default_Handler
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.weak EXTI15_10_IRQHandler
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.thumb_set EXTI15_10_IRQHandler,Default_Handler
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.weak RTC_Alarm_IRQHandler
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.thumb_set RTC_Alarm_IRQHandler,Default_Handler
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.weak DMA1_Stream7_IRQHandler
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.thumb_set DMA1_Stream7_IRQHandler,Default_Handler
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.weak TIM5_IRQHandler
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.thumb_set TIM5_IRQHandler,Default_Handler
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.weak TIM6_DAC_IRQHandler
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.thumb_set TIM6_DAC_IRQHandler,Default_Handler
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.weak DMA2_Stream0_IRQHandler
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.thumb_set DMA2_Stream0_IRQHandler,Default_Handler
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.weak DMA2_Stream1_IRQHandler
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.thumb_set DMA2_Stream1_IRQHandler,Default_Handler
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.weak DMA2_Stream2_IRQHandler
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.thumb_set DMA2_Stream2_IRQHandler,Default_Handler
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.weak DMA2_Stream3_IRQHandler
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.thumb_set DMA2_Stream3_IRQHandler,Default_Handler
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.weak DMA2_Stream4_IRQHandler
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.thumb_set DMA2_Stream4_IRQHandler,Default_Handler
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.weak DMA2_Stream5_IRQHandler
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.thumb_set DMA2_Stream5_IRQHandler,Default_Handler
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.weak DMA2_Stream6_IRQHandler
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.thumb_set DMA2_Stream6_IRQHandler,Default_Handler
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.weak DMA2_Stream7_IRQHandler
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.thumb_set DMA2_Stream7_IRQHandler,Default_Handler
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.weak USART6_IRQHandler
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.thumb_set USART6_IRQHandler,Default_Handler
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.weak RNG_IRQHandler
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.thumb_set RNG_IRQHandler,Default_Handler
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.weak FPU_IRQHandler
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.thumb_set FPU_IRQHandler,Default_Handler
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.weak SPI5_IRQHandler
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.thumb_set SPI5_IRQHandler,Default_Handler
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.weak FMPI2C1_EV_IRQHandler
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.thumb_set FMPI2C1_EV_IRQHandler,Default_Handler
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.weak FMPI2C1_ER_IRQHandler
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.thumb_set FMPI2C1_ER_IRQHandler,Default_Handler
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.weak LPTIM1_IRQHandler
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.thumb_set LPTIM1_IRQHandler,Default_Handler
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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