mirror of
https://github.com/mytechnotalent/Embedded-Hacking.git
synced 2026-05-01 15:27:54 +02:00
Kevin Thomas
72 lines
2.6 KiB
C
72 lines
2.6 KiB
C
/**
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* @file vector_table.c
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* @brief Vector table with initial stack pointer, reset handler, and
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* @author Kevin Thomas
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* @date 2026
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*
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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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* MIT License
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*
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* Copyright (c) 2026 Kevin Thomas
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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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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