494 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
			
		
		
	
	
			494 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
| /**
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|   ******************************************************************************
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|   * @file      startup_gcc_ch32f20x_d8c.s
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|   * @author    Denis Krasutski
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|   * @brief     CH32F205 Devices vector table
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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-M3 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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| 
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| .syntax unified
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| .cpu cortex-m3
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| .thumb
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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. 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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| 
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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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|   /* set stack pointer */
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|   ldr   sp, =_estack
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|   /* Call the clock system initialization function.*/
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|   bl  SystemInit
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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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| 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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| 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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| FillZerobss:
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|   str  r3, [r2]
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|   adds r2, r2, #4
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| LoopFillZerobss:
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|   cmp r2, r4
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|   bcc FillZerobss
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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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| .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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| *
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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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| 
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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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| /*******************************************************************************
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|  External Interrupts
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| *******************************************************************************/
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| .word     WWDG_IRQHandler
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| .word     PVD_IRQHandler
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| .word     TAMPER_IRQHandler
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| .word     RTC_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_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_CAN1_TX_IRQHandler
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| .word     USB_LP_CAN1_RX0_IRQHandler
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| .word     CAN1_RX1_IRQHandler
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| .word     CAN1_SCE_IRQHandler
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| .word     EXTI9_5_IRQHandler
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| .word     TIM1_BRK_IRQHandler
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| .word     TIM1_UP_IRQHandler
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| .word     TIM1_TRG_COM_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     RTCAlarm_IRQHandler
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| .word     0
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| .word     TIM8_BRK_IRQHandler
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| .word     TIM8_UP_IRQHandler
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| .word     TIM8_TRG_COM_IRQHandler
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| .word     TIM8_CC_IRQHandler
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| .word     RNG_IRQHandler
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| .word     FSMC_IRQHandler
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| .word     SDIO_IRQHandler
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| .word     TIM5_IRQHandler
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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_IRQHandler
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| .word     TIM7_IRQHandler
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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     ETH_IRQHandler
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| .word     ETH_WKUP_IRQHandler
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| .word     CAN2_TX_IRQHandler
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| .word     CAN2_RX0_IRQHandler
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| .word     CAN2_RX1_IRQHandler
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| .word     CAN2_SCE_IRQHandler
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| .word     OTG_FS_IRQHandler
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| .word     USBHSWakeup_IRQHandler
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| .word     USBHS_IRQHandler
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| .word     DVP_IRQHandler
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| .word     UART6_IRQHandler
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| .word     UART7_IRQHandler
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| .word     UART8_IRQHandler
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| .word     TIM9_BRK_IRQHandler
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| .word     TIM9_UP_IRQHandler
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| .word     TIM9_TRG_COM_IRQHandler
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| .word     TIM9_CC_IRQHandler
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| .word     TIM10_BRK_IRQHandler
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| .word     TIM10_UP_IRQHandler
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| .word     TIM10_TRG_COM_IRQHandler
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| .word     TIM10_CC_IRQHandler
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| .word     DMA2_Channel6_IRQHandler
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| .word     DMA2_Channel7_IRQHandler
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| .word     DMA2_Channel8_IRQHandler
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| .word     DMA2_Channel9_IRQHandler
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| .word     DMA2_Channel10_IRQHandler
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| .word     DMA2_Channel11_IRQHandler
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| 
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| /*******************************************************************************
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| *
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| * Provide weak aliases
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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 TAMPER_IRQHandler
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| .thumb_set TAMPER_IRQHandler,Default_Handler
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| 
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| .weak RTC_IRQHandler
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| .thumb_set RTC_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_Channel1_IRQHandler
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| .thumb_set DMA1_Channel1_IRQHandler,Default_Handler
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| 
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| .weak DMA1_Channel2_IRQHandler
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| .thumb_set DMA1_Channel2_IRQHandler,Default_Handler
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| 
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| .weak DMA1_Channel3_IRQHandler
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| .thumb_set DMA1_Channel3_IRQHandler,Default_Handler
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| 
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| .weak DMA1_Channel4_IRQHandler
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| .thumb_set DMA1_Channel4_IRQHandler,Default_Handler
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| 
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| .weak DMA1_Channel5_IRQHandler
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| .thumb_set DMA1_Channel5_IRQHandler,Default_Handler
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| 
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| .weak DMA1_Channel6_IRQHandler
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| .thumb_set DMA1_Channel6_IRQHandler,Default_Handler
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| 
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| .weak DMA1_Channel7_IRQHandler
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| .thumb_set DMA1_Channel7_IRQHandler,Default_Handler
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| 
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| .weak ADC1_2_IRQHandler
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| .thumb_set ADC1_2_IRQHandler,Default_Handler
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| 
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| .weak USB_HP_CAN1_TX_IRQHandler
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| .thumb_set USB_HP_CAN1_TX_IRQHandler,Default_Handler
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| 
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| .weak USB_LP_CAN1_RX0_IRQHandler
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| .thumb_set USB_LP_CAN1_RX0_IRQHandler,Default_Handler
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| 
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| .weak CAN1_RX1_IRQHandler
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| .thumb_set CAN1_RX1_IRQHandler,Default_Handler
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| 
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| .weak CAN1_SCE_IRQHandler
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| .thumb_set CAN1_SCE_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_IRQHandler
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| .thumb_set TIM1_BRK_IRQHandler,Default_Handler
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| 
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| .weak TIM1_UP_IRQHandler
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| .thumb_set TIM1_UP_IRQHandler,Default_Handler
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| 
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| .weak TIM1_TRG_COM_IRQHandler
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| .thumb_set TIM1_TRG_COM_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 USART3_IRQHandler
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| .thumb_set USART3_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 RTCAlarm_IRQHandler
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| .thumb_set RTCAlarm_IRQHandler,Default_Handler
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| 
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| .weak TIM8_BRK_IRQHandler
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| .thumb_set TIM8_BRK_IRQHandler,Default_Handler
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| 
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| .weak TIM8_UP_IRQHandler
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| .thumb_set TIM8_UP_IRQHandler,Default_Handler
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| 
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| .weak TIM8_TRG_COM_IRQHandler
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| .thumb_set TIM8_TRG_COM_IRQHandler,Default_Handler
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| 
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| .weak TIM8_CC_IRQHandler
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| .thumb_set TIM8_CC_IRQHandler,Default_Handler
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| 
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| .weak RNG_IRQHandler
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| .thumb_set RNG_IRQHandler,Default_Handler
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| 
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| .weak FSMC_IRQHandler
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| .thumb_set FSMC_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 UART4_IRQHandler
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| .thumb_set UART4_IRQHandler,Default_Handler
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| 
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| .weak UART5_IRQHandler
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| .thumb_set UART5_IRQHandler,Default_Handler
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| 
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| .weak TIM6_IRQHandler
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| .thumb_set TIM6_IRQHandler,Default_Handler
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| 
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| .weak TIM7_IRQHandler
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| .thumb_set TIM7_IRQHandler,Default_Handler
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| 
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| .weak DMA2_Channel1_IRQHandler
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| .thumb_set DMA2_Channel1_IRQHandler,Default_Handler
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| 
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| .weak DMA2_Channel2_IRQHandler
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| .thumb_set DMA2_Channel2_IRQHandler,Default_Handler
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| 
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| .weak DMA2_Channel3_IRQHandler
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| .thumb_set DMA2_Channel3_IRQHandler,Default_Handler
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| 
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| .weak DMA2_Channel4_IRQHandler
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| .thumb_set DMA2_Channel4_IRQHandler,Default_Handler
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| 
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| .weak DMA2_Channel5_IRQHandler
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| .thumb_set DMA2_Channel5_IRQHandler,Default_Handler
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| 
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| .weak ETH_IRQHandler
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| .thumb_set ETH_IRQHandler,Default_Handler
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| 
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| .weak ETH_WKUP_IRQHandler
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| .thumb_set ETH_WKUP_IRQHandler,Default_Handler
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| 
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| .weak CAN2_TX_IRQHandler
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| .thumb_set CAN2_TX_IRQHandler,Default_Handler
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| 
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| .weak CAN2_RX0_IRQHandler
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| .thumb_set CAN2_RX0_IRQHandler,Default_Handler
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| 
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| .weak CAN2_RX1_IRQHandler
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| .thumb_set CAN2_RX1_IRQHandler,Default_Handler
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| 
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| .weak CAN2_SCE_IRQHandler
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| .thumb_set CAN2_SCE_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 USBHSWakeup_IRQHandler
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| .thumb_set USBHSWakeup_IRQHandler,Default_Handler
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| 
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| .weak USBHS_IRQHandler
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| .thumb_set USBHS_IRQHandler,Default_Handler
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| 
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| .weak DVP_IRQHandler
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| .thumb_set DVP_IRQHandler,Default_Handler
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| 
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| .weak UART6_IRQHandler
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| .thumb_set UART6_IRQHandler,Default_Handler
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| 
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| .weak UART7_IRQHandler
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| .thumb_set UART7_IRQHandler,Default_Handler
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| 
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| .weak UART8_IRQHandler
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| .thumb_set UART8_IRQHandler,Default_Handler
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| 
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| .weak TIM9_BRK_IRQHandler
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| .thumb_set TIM9_BRK_IRQHandler,Default_Handler
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| 
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| .weak TIM9_UP_IRQHandler
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| .thumb_set TIM9_UP_IRQHandler,Default_Handler
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| 
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| .weak TIM9_TRG_COM_IRQHandler
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| .thumb_set TIM9_TRG_COM_IRQHandler,Default_Handler
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| 
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| .weak TIM9_CC_IRQHandler
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| .thumb_set TIM9_CC_IRQHandler,Default_Handler
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| 
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| .weak TIM10_BRK_IRQHandler
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| .thumb_set TIM10_BRK_IRQHandler,Default_Handler
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| 
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| .weak TIM10_UP_IRQHandler
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| .thumb_set TIM10_UP_IRQHandler,Default_Handler
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| 
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| .weak TIM10_TRG_COM_IRQHandler
 | |
| .thumb_set TIM10_TRG_COM_IRQHandler,Default_Handler
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| 
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| .weak TIM10_CC_IRQHandler
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| .thumb_set TIM10_CC_IRQHandler,Default_Handler
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| 
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| .weak DMA2_Channel6_IRQHandler
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| .thumb_set DMA2_Channel6_IRQHandler,Default_Handler
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| 
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| .weak DMA2_Channel7_IRQHandler
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| .thumb_set DMA2_Channel7_IRQHandler,Default_Handler
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| 
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| .weak DMA2_Channel8_IRQHandler
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| .thumb_set DMA2_Channel8_IRQHandler,Default_Handler
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| 
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| .weak DMA2_Channel9_IRQHandler
 | |
| .thumb_set DMA2_Channel9_IRQHandler,Default_Handler
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| 
 | |
| .weak DMA2_Channel10_IRQHandler
 | |
| .thumb_set DMA2_Channel10_IRQHandler,Default_Handler
 | |
| 
 | |
| .weak DMA2_Channel11_IRQHandler
 | |
| .thumb_set DMA2_Channel11_IRQHandler,Default_Handler
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