479 lines
13 KiB
ArmAsm
479 lines
13 KiB
ArmAsm
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/**
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******************************************************************************
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* @file startup_stm32f302xe.s
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* @author MCD Application Team
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* @brief STM32F302xE devices vector table for GCC toolchain.
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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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* - Configure the clock system
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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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*
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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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.equ BootRAM, 0xF1E0F85F
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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 /* Atollic update: 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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LoopForever:
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b LoopForever
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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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*
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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-M4. 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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.word WWDG_IRQHandler
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.word PVD_IRQHandler
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.word TAMP_STAMP_IRQHandler
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.word RTC_WKUP_IRQHandler
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.word FLASH_IRQHandler
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.word RCC_IRQHandler
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.word EXTI0_IRQHandler
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.word EXTI1_IRQHandler
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.word EXTI2_TSC_IRQHandler
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.word EXTI3_IRQHandler
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.word EXTI4_IRQHandler
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.word DMA1_Channel1_IRQHandler
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.word DMA1_Channel2_IRQHandler
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.word DMA1_Channel3_IRQHandler
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.word DMA1_Channel4_IRQHandler
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.word DMA1_Channel5_IRQHandler
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.word DMA1_Channel6_IRQHandler
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.word DMA1_Channel7_IRQHandler
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.word ADC1_2_IRQHandler
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.word USB_HP_CAN_TX_IRQHandler
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.word USB_LP_CAN_RX0_IRQHandler
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.word CAN_RX1_IRQHandler
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.word CAN_SCE_IRQHandler
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.word EXTI9_5_IRQHandler
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.word TIM1_BRK_TIM15_IRQHandler
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.word TIM1_UP_TIM16_IRQHandler
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.word TIM1_TRG_COM_TIM17_IRQHandler
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.word TIM1_CC_IRQHandler
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.word TIM2_IRQHandler
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.word TIM3_IRQHandler
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.word TIM4_IRQHandler
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.word I2C1_EV_IRQHandler
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.word I2C1_ER_IRQHandler
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.word I2C2_EV_IRQHandler
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.word I2C2_ER_IRQHandler
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.word SPI1_IRQHandler
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.word SPI2_IRQHandler
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.word USART1_IRQHandler
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.word USART2_IRQHandler
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.word USART3_IRQHandler
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.word EXTI15_10_IRQHandler
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.word RTC_Alarm_IRQHandler
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.word USBWakeUp_IRQHandler
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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 0
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.word FMC_IRQHandler
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.word 0
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.word 0
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.word SPI3_IRQHandler
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.word UART4_IRQHandler
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.word UART5_IRQHandler
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.word TIM6_DAC_IRQHandler
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.word 0
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.word DMA2_Channel1_IRQHandler
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.word DMA2_Channel2_IRQHandler
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.word DMA2_Channel3_IRQHandler
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.word DMA2_Channel4_IRQHandler
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.word DMA2_Channel5_IRQHandler
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.word 0
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.word 0
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.word 0
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.word COMP1_2_IRQHandler
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.word COMP4_6_IRQHandler
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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 0
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.word 0
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.word I2C3_EV_IRQHandler
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.word I2C3_ER_IRQHandler
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.word USB_HP_IRQHandler
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.word USB_LP_IRQHandler
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.word USBWakeUp_RMP_IRQHandler
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.word TIM20_BRK_IRQHandler
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.word TIM20_UP_IRQHandler
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.word TIM20_TRG_COM_IRQHandler
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.word TIM20_CC_IRQHandler
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.word FPU_IRQHandler
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.word 0
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.word 0
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.word SPI4_IRQHandler
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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_TSC_IRQHandler
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.thumb_set EXTI2_TSC_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_Channel1_IRQHandler
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.thumb_set DMA1_Channel1_IRQHandler,Default_Handler
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.weak DMA1_Channel2_IRQHandler
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.thumb_set DMA1_Channel2_IRQHandler,Default_Handler
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.weak DMA1_Channel3_IRQHandler
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.thumb_set DMA1_Channel3_IRQHandler,Default_Handler
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.weak DMA1_Channel4_IRQHandler
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.thumb_set DMA1_Channel4_IRQHandler,Default_Handler
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.weak DMA1_Channel5_IRQHandler
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.thumb_set DMA1_Channel5_IRQHandler,Default_Handler
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.weak DMA1_Channel6_IRQHandler
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.thumb_set DMA1_Channel6_IRQHandler,Default_Handler
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.weak DMA1_Channel7_IRQHandler
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.thumb_set DMA1_Channel7_IRQHandler,Default_Handler
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.weak ADC1_2_IRQHandler
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.thumb_set ADC1_2_IRQHandler,Default_Handler
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.weak USB_HP_CAN_TX_IRQHandler
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.thumb_set USB_HP_CAN_TX_IRQHandler,Default_Handler
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.weak USB_LP_CAN_RX0_IRQHandler
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.thumb_set USB_LP_CAN_RX0_IRQHandler,Default_Handler
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.weak CAN_RX1_IRQHandler
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.thumb_set CAN_RX1_IRQHandler,Default_Handler
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.weak CAN_SCE_IRQHandler
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.thumb_set CAN_SCE_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_TIM15_IRQHandler
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.thumb_set TIM1_BRK_TIM15_IRQHandler,Default_Handler
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.weak TIM1_UP_TIM16_IRQHandler
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.thumb_set TIM1_UP_TIM16_IRQHandler,Default_Handler
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.weak TIM1_TRG_COM_TIM17_IRQHandler
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.thumb_set TIM1_TRG_COM_TIM17_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 TIM2_IRQHandler
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.thumb_set TIM2_IRQHandler,Default_Handler
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.weak TIM3_IRQHandler
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.thumb_set TIM3_IRQHandler,Default_Handler
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.weak TIM4_IRQHandler
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.thumb_set TIM4_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
|
||
|
|
.thumb_set SPI2_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak USART1_IRQHandler
|
||
|
|
.thumb_set USART1_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak USART2_IRQHandler
|
||
|
|
.thumb_set USART2_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak USART3_IRQHandler
|
||
|
|
.thumb_set USART3_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak EXTI15_10_IRQHandler
|
||
|
|
.thumb_set EXTI15_10_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak RTC_Alarm_IRQHandler
|
||
|
|
.thumb_set RTC_Alarm_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak USBWakeUp_IRQHandler
|
||
|
|
.thumb_set USBWakeUp_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak FMC_IRQHandler
|
||
|
|
.thumb_set FMC_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak SPI3_IRQHandler
|
||
|
|
.thumb_set SPI3_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak UART4_IRQHandler
|
||
|
|
.thumb_set UART4_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak UART5_IRQHandler
|
||
|
|
.thumb_set UART5_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak TIM6_DAC_IRQHandler
|
||
|
|
.thumb_set TIM6_DAC_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak DMA2_Channel1_IRQHandler
|
||
|
|
.thumb_set DMA2_Channel1_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak DMA2_Channel2_IRQHandler
|
||
|
|
.thumb_set DMA2_Channel2_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak DMA2_Channel3_IRQHandler
|
||
|
|
.thumb_set DMA2_Channel3_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak DMA2_Channel4_IRQHandler
|
||
|
|
.thumb_set DMA2_Channel4_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak DMA2_Channel5_IRQHandler
|
||
|
|
.thumb_set DMA2_Channel5_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak COMP1_2_IRQHandler
|
||
|
|
.thumb_set COMP1_2_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak COMP4_6_IRQHandler
|
||
|
|
.thumb_set COMP4_6_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak I2C3_EV_IRQHandler
|
||
|
|
.thumb_set I2C3_EV_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak I2C3_ER_IRQHandler
|
||
|
|
.thumb_set I2C3_ER_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak USB_HP_IRQHandler
|
||
|
|
.thumb_set USB_HP_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak USB_LP_IRQHandler
|
||
|
|
.thumb_set USB_LP_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak USBWakeUp_RMP_IRQHandler
|
||
|
|
.thumb_set USBWakeUp_RMP_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak TIM20_BRK_IRQHandler
|
||
|
|
.thumb_set TIM20_BRK_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak TIM20_UP_IRQHandler
|
||
|
|
.thumb_set TIM20_UP_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak TIM20_TRG_COM_IRQHandler
|
||
|
|
.thumb_set TIM20_TRG_COM_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak TIM20_CC_IRQHandler
|
||
|
|
.thumb_set TIM20_CC_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak FPU_IRQHandler
|
||
|
|
.thumb_set FPU_IRQHandler,Default_Handler
|
||
|
|
|
||
|
|
.weak SPI4_IRQHandler
|
||
|
|
.thumb_set SPI4_IRQHandler,Default_Handler
|
||
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|