mirror of
https://github.com/mytechnotalent/Embedded-Hacking.git
synced 2026-04-22 02:56:17 +02:00
Kevin Thomas
62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
/**
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******************************************************************************
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* @file vector_table.c
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* @author Kevin Thomas
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* @brief Vector table with initial stack pointer, reset handler, and
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* TIMER0 alarm 0 IRQ handler.
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*
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* Placed in the .vectors section at the start of flash.
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* The Thumb bit (bit 0 = 1) is automatically set by the
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* linker for function pointers in Thumb mode.
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*
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2026 Kevin Thomas.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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#include <stdint.h>
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extern uint32_t _stack_top;
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extern void Reset_Handler(void);
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extern void TIMER0_IRQ_0_Handler(void);
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/**
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* @brief Default handler for unused exceptions (infinite loop).
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* @retval None
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*/
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static void default_handler(void)
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{
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while (1) {}
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}
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typedef void (*vector_func_t)(void);
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__attribute__((section(".vectors"), used))
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const void *_vectors[17] = {
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&_stack_top, // 0: Initial stack pointer
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Reset_Handler, // 1: Reset
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default_handler, // 2: NMI
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default_handler, // 3: HardFault
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default_handler, // 4: MemManage
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default_handler, // 5: BusFault
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default_handler, // 6: UsageFault
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default_handler, // 7: SecureFault
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0, // 8: Reserved
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0, // 9: Reserved
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0, // 10: Reserved
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default_handler, // 11: SVCall
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default_handler, // 12: DebugMon
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0, // 13: Reserved
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default_handler, // 14: PendSV
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default_handler, // 15: SysTick
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TIMER0_IRQ_0_Handler, // 16: IRQ 0 — TIMER0_IRQ_0
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};
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