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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 3 | mjames | 1 | ;******************** (C) COPYRIGHT 2017 STMicroelectronics ******************** |
| 2 | ;* File Name : startup_stm32f101xe.s |
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| 3 | ;* Author : MCD Application Team |
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| 4 | ;* Description : STM32F101xE Devices vector table for MDK-ARM toolchain. |
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| 5 | ;* This module performs: |
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| 6 | ;* - Set the initial SP |
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| 7 | ;* - Set the initial PC == Reset_Handler |
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| 8 | ;* - Set the vector table entries with the exceptions ISR address |
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| 9 | ;* - Configure the clock system |
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| 10 | ;* - Branches to __main in the C library (which eventually |
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| 11 | ;* calls main()). |
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| 12 | ;* After Reset the Cortex-M3 processor is in Thread mode, |
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| 13 | ;* priority is Privileged, and the Stack is set to Main. |
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| 14 | ;****************************************************************************** |
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| 15 | ;* @attention |
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| 16 | ;* |
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| 17 | ;* Copyright (c) 2017-2021 STMicroelectronics. |
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| 18 | ;* All rights reserved. |
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| 19 | ;* |
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| 20 | ;* This software is licensed under terms that can be found in the LICENSE file |
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| 21 | ;* in the root directory of this software component. |
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| 22 | ;* If no LICENSE file comes with this software, it is provided AS-IS. |
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| 23 | ;* |
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| 24 | ;****************************************************************************** |
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| 25 | |||
| 26 | ; Amount of memory (in bytes) allocated for Stack |
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| 27 | ; Tailor this value to your application needs |
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| 28 | ; <h> Stack Configuration |
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| 29 | ; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8> |
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| 30 | ; </h> |
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| 31 | |||
| 32 | Stack_Size EQU 0x00000400 |
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| 33 | |||
| 34 | AREA STACK, NOINIT, READWRITE, ALIGN=3 |
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| 35 | Stack_Mem SPACE Stack_Size |
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| 36 | __initial_sp |
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| 37 | |||
| 38 | ; <h> Heap Configuration |
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| 39 | ; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8> |
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| 40 | ; </h> |
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| 41 | |||
| 42 | Heap_Size EQU 0x00000200 |
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| 43 | |||
| 44 | AREA HEAP, NOINIT, READWRITE, ALIGN=3 |
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| 45 | __heap_base |
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| 46 | Heap_Mem SPACE Heap_Size |
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| 47 | __heap_limit |
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| 48 | |||
| 49 | PRESERVE8 |
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| 50 | THUMB |
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| 51 | |||
| 52 | |||
| 53 | ; Vector Table Mapped to Address 0 at Reset |
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| 54 | AREA RESET, DATA, READONLY |
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| 55 | EXPORT __Vectors |
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| 56 | EXPORT __Vectors_End |
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| 57 | EXPORT __Vectors_Size |
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| 58 | |||
| 59 | __Vectors DCD __initial_sp ; Top of Stack |
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| 60 | DCD Reset_Handler ; Reset Handler |
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| 61 | DCD NMI_Handler ; NMI Handler |
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| 62 | DCD HardFault_Handler ; Hard Fault Handler |
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| 63 | DCD MemManage_Handler ; MPU Fault Handler |
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| 64 | DCD BusFault_Handler ; Bus Fault Handler |
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| 65 | DCD UsageFault_Handler ; Usage Fault Handler |
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| 66 | DCD 0 ; Reserved |
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| 67 | DCD 0 ; Reserved |
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| 68 | DCD 0 ; Reserved |
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| 69 | DCD 0 ; Reserved |
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| 70 | DCD SVC_Handler ; SVCall Handler |
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| 71 | DCD DebugMon_Handler ; Debug Monitor Handler |
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| 72 | DCD 0 ; Reserved |
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| 73 | DCD PendSV_Handler ; PendSV Handler |
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| 74 | DCD SysTick_Handler ; SysTick Handler |
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| 75 | |||
| 76 | ; External Interrupts |
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| 77 | DCD WWDG_IRQHandler ; Window Watchdog |
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| 78 | DCD PVD_IRQHandler ; PVD through EXTI Line detect |
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| 79 | DCD TAMPER_IRQHandler ; Tamper |
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| 80 | DCD RTC_IRQHandler ; RTC |
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| 81 | DCD FLASH_IRQHandler ; Flash |
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| 82 | DCD RCC_IRQHandler ; RCC |
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| 83 | DCD EXTI0_IRQHandler ; EXTI Line 0 |
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| 84 | DCD EXTI1_IRQHandler ; EXTI Line 1 |
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| 85 | DCD EXTI2_IRQHandler ; EXTI Line 2 |
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| 86 | DCD EXTI3_IRQHandler ; EXTI Line 3 |
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| 87 | DCD EXTI4_IRQHandler ; EXTI Line 4 |
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| 88 | DCD DMA1_Channel1_IRQHandler ; DMA1 Channel 1 |
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| 89 | DCD DMA1_Channel2_IRQHandler ; DMA1 Channel 2 |
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| 90 | DCD DMA1_Channel3_IRQHandler ; DMA1 Channel 3 |
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| 91 | DCD DMA1_Channel4_IRQHandler ; DMA1 Channel 4 |
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| 92 | DCD DMA1_Channel5_IRQHandler ; DMA1 Channel 5 |
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| 93 | DCD DMA1_Channel6_IRQHandler ; DMA1 Channel 6 |
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| 94 | DCD DMA1_Channel7_IRQHandler ; DMA1 Channel 7 |
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| 95 | DCD ADC1_IRQHandler ; ADC1 |
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| 96 | DCD 0 ; Reserved |
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| 97 | DCD 0 ; Reserved |
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| 98 | DCD 0 ; Reserved |
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| 99 | DCD 0 ; Reserved |
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| 100 | DCD EXTI9_5_IRQHandler ; EXTI Line 9..5 |
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| 101 | DCD 0 ; Reserved |
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| 102 | DCD 0 ; Reserved |
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| 103 | DCD 0 ; Reserved |
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| 104 | DCD 0 ; Reserved |
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| 105 | DCD TIM2_IRQHandler ; TIM2 |
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| 106 | DCD TIM3_IRQHandler ; TIM3 |
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| 107 | DCD TIM4_IRQHandler ; TIM4 |
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| 108 | DCD I2C1_EV_IRQHandler ; I2C1 Event |
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| 109 | DCD I2C1_ER_IRQHandler ; I2C1 Error |
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| 110 | DCD I2C2_EV_IRQHandler ; I2C2 Event |
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| 111 | DCD I2C2_ER_IRQHandler ; I2C2 Error |
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| 112 | DCD SPI1_IRQHandler ; SPI1 |
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| 113 | DCD SPI2_IRQHandler ; SPI2 |
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| 114 | DCD USART1_IRQHandler ; USART1 |
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| 115 | DCD USART2_IRQHandler ; USART2 |
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| 116 | DCD USART3_IRQHandler ; USART3 |
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| 117 | DCD EXTI15_10_IRQHandler ; EXTI Line 15..10 |
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| 118 | DCD RTC_Alarm_IRQHandler ; RTC Alarm through EXTI Line |
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| 119 | DCD 0 ; Reserved |
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| 120 | DCD 0 ; Reserved |
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| 121 | DCD 0 ; Reserved |
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| 122 | DCD 0 ; Reserved |
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| 123 | DCD 0 ; Reserved |
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| 124 | DCD 0 ; Reserved |
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| 125 | DCD FSMC_IRQHandler ; FSMC |
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| 126 | DCD 0 ; Reserved |
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| 127 | DCD TIM5_IRQHandler ; TIM5 |
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| 128 | DCD SPI3_IRQHandler ; SPI3 |
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| 129 | DCD UART4_IRQHandler ; UART4 |
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| 130 | DCD UART5_IRQHandler ; UART5 |
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| 131 | DCD TIM6_IRQHandler ; TIM6 |
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| 132 | DCD TIM7_IRQHandler ; TIM7 |
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| 133 | DCD DMA2_Channel1_IRQHandler ; DMA2 Channel1 |
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| 134 | DCD DMA2_Channel2_IRQHandler ; DMA2 Channel2 |
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| 135 | DCD DMA2_Channel3_IRQHandler ; DMA2 Channel3 |
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| 136 | DCD DMA2_Channel4_5_IRQHandler ; DMA2 Channel4 & Channel5 |
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| 137 | __Vectors_End |
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| 138 | |||
| 139 | __Vectors_Size EQU __Vectors_End - __Vectors |
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| 140 | |||
| 141 | AREA |.text|, CODE, READONLY |
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| 142 | |||
| 143 | ; Reset handler |
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| 144 | Reset_Handler PROC |
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| 145 | EXPORT Reset_Handler [WEAK] |
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| 146 | IMPORT __main |
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| 147 | IMPORT SystemInit |
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| 148 | LDR R0, =SystemInit |
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| 149 | BLX R0 |
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| 150 | LDR R0, =__main |
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| 151 | BX R0 |
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| 152 | ENDP |
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| 153 | |||
| 154 | ; Dummy Exception Handlers (infinite loops which can be modified) |
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| 155 | |||
| 156 | NMI_Handler PROC |
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| 157 | EXPORT NMI_Handler [WEAK] |
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| 158 | B . |
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| 159 | ENDP |
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| 160 | HardFault_Handler\ |
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| 161 | PROC |
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| 162 | EXPORT HardFault_Handler [WEAK] |
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| 163 | B . |
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| 164 | ENDP |
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| 165 | MemManage_Handler\ |
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| 166 | PROC |
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| 167 | EXPORT MemManage_Handler [WEAK] |
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| 168 | B . |
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| 169 | ENDP |
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| 170 | BusFault_Handler\ |
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| 171 | PROC |
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| 172 | EXPORT BusFault_Handler [WEAK] |
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| 173 | B . |
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| 174 | ENDP |
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| 175 | UsageFault_Handler\ |
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| 176 | PROC |
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| 177 | EXPORT UsageFault_Handler [WEAK] |
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| 178 | B . |
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| 179 | ENDP |
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| 180 | SVC_Handler PROC |
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| 181 | EXPORT SVC_Handler [WEAK] |
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| 182 | B . |
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| 183 | ENDP |
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| 184 | DebugMon_Handler\ |
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| 185 | PROC |
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| 186 | EXPORT DebugMon_Handler [WEAK] |
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| 187 | B . |
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| 188 | ENDP |
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| 189 | PendSV_Handler PROC |
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| 190 | EXPORT PendSV_Handler [WEAK] |
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| 191 | B . |
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| 192 | ENDP |
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| 193 | SysTick_Handler PROC |
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| 194 | EXPORT SysTick_Handler [WEAK] |
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| 195 | B . |
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| 196 | ENDP |
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| 197 | |||
| 198 | Default_Handler PROC |
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| 199 | |||
| 200 | EXPORT WWDG_IRQHandler [WEAK] |
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| 201 | EXPORT PVD_IRQHandler [WEAK] |
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| 202 | EXPORT TAMPER_IRQHandler [WEAK] |
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| 203 | EXPORT RTC_IRQHandler [WEAK] |
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| 204 | EXPORT FLASH_IRQHandler [WEAK] |
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| 205 | EXPORT RCC_IRQHandler [WEAK] |
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| 206 | EXPORT EXTI0_IRQHandler [WEAK] |
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| 207 | EXPORT EXTI1_IRQHandler [WEAK] |
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| 208 | EXPORT EXTI2_IRQHandler [WEAK] |
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| 209 | EXPORT EXTI3_IRQHandler [WEAK] |
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| 210 | EXPORT EXTI4_IRQHandler [WEAK] |
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| 211 | EXPORT DMA1_Channel1_IRQHandler [WEAK] |
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| 212 | EXPORT DMA1_Channel2_IRQHandler [WEAK] |
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| 213 | EXPORT DMA1_Channel3_IRQHandler [WEAK] |
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| 214 | EXPORT DMA1_Channel4_IRQHandler [WEAK] |
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| 215 | EXPORT DMA1_Channel5_IRQHandler [WEAK] |
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| 216 | EXPORT DMA1_Channel6_IRQHandler [WEAK] |
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| 217 | EXPORT DMA1_Channel7_IRQHandler [WEAK] |
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| 218 | EXPORT ADC1_IRQHandler [WEAK] |
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| 219 | EXPORT EXTI9_5_IRQHandler [WEAK] |
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| 220 | EXPORT TIM2_IRQHandler [WEAK] |
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| 221 | EXPORT TIM3_IRQHandler [WEAK] |
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| 222 | EXPORT TIM4_IRQHandler [WEAK] |
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| 223 | EXPORT I2C1_EV_IRQHandler [WEAK] |
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| 224 | EXPORT I2C1_ER_IRQHandler [WEAK] |
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| 225 | EXPORT I2C2_EV_IRQHandler [WEAK] |
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| 226 | EXPORT I2C2_ER_IRQHandler [WEAK] |
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| 227 | EXPORT SPI1_IRQHandler [WEAK] |
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| 228 | EXPORT SPI2_IRQHandler [WEAK] |
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| 229 | EXPORT USART1_IRQHandler [WEAK] |
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| 230 | EXPORT USART2_IRQHandler [WEAK] |
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| 231 | EXPORT USART3_IRQHandler [WEAK] |
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| 232 | EXPORT EXTI15_10_IRQHandler [WEAK] |
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| 233 | EXPORT RTC_Alarm_IRQHandler [WEAK] |
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| 234 | EXPORT FSMC_IRQHandler [WEAK] |
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| 235 | EXPORT TIM5_IRQHandler [WEAK] |
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| 236 | EXPORT SPI3_IRQHandler [WEAK] |
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| 237 | EXPORT UART4_IRQHandler [WEAK] |
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| 238 | EXPORT UART5_IRQHandler [WEAK] |
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| 239 | EXPORT TIM6_IRQHandler [WEAK] |
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| 240 | EXPORT TIM7_IRQHandler [WEAK] |
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| 241 | EXPORT DMA2_Channel1_IRQHandler [WEAK] |
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| 242 | EXPORT DMA2_Channel2_IRQHandler [WEAK] |
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| 243 | EXPORT DMA2_Channel3_IRQHandler [WEAK] |
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| 244 | EXPORT DMA2_Channel4_5_IRQHandler [WEAK] |
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| 245 | |||
| 246 | WWDG_IRQHandler |
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| 247 | PVD_IRQHandler |
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| 248 | TAMPER_IRQHandler |
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| 249 | RTC_IRQHandler |
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| 250 | FLASH_IRQHandler |
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| 251 | RCC_IRQHandler |
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| 252 | EXTI0_IRQHandler |
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| 253 | EXTI1_IRQHandler |
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| 254 | EXTI2_IRQHandler |
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| 255 | EXTI3_IRQHandler |
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| 256 | EXTI4_IRQHandler |
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| 257 | DMA1_Channel1_IRQHandler |
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| 258 | DMA1_Channel2_IRQHandler |
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| 259 | DMA1_Channel3_IRQHandler |
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| 260 | DMA1_Channel4_IRQHandler |
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| 261 | DMA1_Channel5_IRQHandler |
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| 262 | DMA1_Channel6_IRQHandler |
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| 263 | DMA1_Channel7_IRQHandler |
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| 264 | ADC1_IRQHandler |
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| 265 | EXTI9_5_IRQHandler |
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| 266 | TIM2_IRQHandler |
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| 267 | TIM3_IRQHandler |
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| 268 | TIM4_IRQHandler |
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| 269 | I2C1_EV_IRQHandler |
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| 270 | I2C1_ER_IRQHandler |
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| 271 | I2C2_EV_IRQHandler |
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| 272 | I2C2_ER_IRQHandler |
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| 273 | SPI1_IRQHandler |
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| 274 | SPI2_IRQHandler |
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| 275 | USART1_IRQHandler |
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| 276 | USART2_IRQHandler |
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| 277 | USART3_IRQHandler |
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| 278 | EXTI15_10_IRQHandler |
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| 279 | RTC_Alarm_IRQHandler |
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| 280 | FSMC_IRQHandler |
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| 281 | TIM5_IRQHandler |
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| 282 | SPI3_IRQHandler |
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| 283 | UART4_IRQHandler |
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| 284 | UART5_IRQHandler |
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| 285 | TIM6_IRQHandler |
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| 286 | TIM7_IRQHandler |
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| 287 | DMA2_Channel1_IRQHandler |
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| 288 | DMA2_Channel2_IRQHandler |
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| 289 | DMA2_Channel3_IRQHandler |
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| 290 | DMA2_Channel4_5_IRQHandler |
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| 291 | B . |
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| 292 | |||
| 293 | ENDP |
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| 294 | |||
| 295 | ALIGN |
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| 296 | |||
| 297 | ;******************************************************************************* |
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| 298 | ; User Stack and Heap initialization |
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| 299 | ;******************************************************************************* |
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| 300 | IF :DEF:__MICROLIB |
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| 301 | |||
| 302 | EXPORT __initial_sp |
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| 303 | EXPORT __heap_base |
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| 304 | EXPORT __heap_limit |
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| 305 | |||
| 306 | ELSE |
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| 307 | |||
| 308 | IMPORT __use_two_region_memory |
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| 309 | EXPORT __user_initial_stackheap |
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| 310 | |||
| 311 | __user_initial_stackheap |
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| 312 | |||
| 313 | LDR R0, = Heap_Mem |
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| 314 | LDR R1, =(Stack_Mem + Stack_Size) |
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| 315 | LDR R2, = (Heap_Mem + Heap_Size) |
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| 316 | LDR R3, = Stack_Mem |
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| 317 | BX LR |
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| 318 | |||
| 319 | ALIGN |
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| 320 | |||
| 321 | ENDIF |
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| 322 | |||
| 323 | END |
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| 324 |