vectors.c
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/*
* Copyright (C) 2014-2015 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup cpu_samd21
* @{
*
* @file
* @brief Startup code and interrupt vector definition
*
* @author Thomas Eichinger <thomas.eichinger@fu-berlin.de>
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
*
* @}
*/
#include <stdint.h>
#include "vectors_cortexm.h"
/* get the start of the ISR stack as defined in the linkerscript */
extern uint32_t _estack;
/* define a local dummy handler as it needs to be in the same compilation unit
* as the alias definition */
void dummy_handler(void) {
dummy_handler_default();
}
/* Cortex-M common interrupt vectors */
WEAK_DEFAULT void isr_svc(void);
WEAK_DEFAULT void isr_pendsv(void);
WEAK_DEFAULT void isr_systick(void);
/* SAMR21 specific interrupt vector */
WEAK_DEFAULT void isr_pm(void);
WEAK_DEFAULT void isr_sysctrl(void);
WEAK_DEFAULT void isr_wdt(void);
WEAK_DEFAULT void isr_rtc(void);
WEAK_DEFAULT void isr_eic(void);
WEAK_DEFAULT void isr_nvmctrl(void);
WEAK_DEFAULT void isr_dmac(void);
WEAK_DEFAULT void isr_usb(void);
WEAK_DEFAULT void isr_evsys(void);
WEAK_DEFAULT void isr_sercom0(void);
WEAK_DEFAULT void isr_sercom1(void);
WEAK_DEFAULT void isr_sercom2(void);
WEAK_DEFAULT void isr_sercom3(void);
WEAK_DEFAULT void isr_sercom4(void);
WEAK_DEFAULT void isr_sercom5(void);
WEAK_DEFAULT void isr_tcc0(void);
WEAK_DEFAULT void isr_tcc1(void);
WEAK_DEFAULT void isr_tcc2(void);
WEAK_DEFAULT void isr_tc3(void);
WEAK_DEFAULT void isr_tc4(void);
WEAK_DEFAULT void isr_tc5(void);
WEAK_DEFAULT void isr_tc6(void);
WEAK_DEFAULT void isr_tc7(void);
WEAK_DEFAULT void isr_adc(void);
WEAK_DEFAULT void isr_ac(void);
WEAK_DEFAULT void isr_dac(void);
WEAK_DEFAULT void isr_ptc(void);
WEAK_DEFAULT void isr_i2c(void);
/* interrupt vector table */
ISR_VECTORS const void *interrupt_vector[] = {
/* Exception stack pointer */
(void*) (&_estack), /* pointer to the top of the stack */
/* Cortex-M0+ handlers */
(void*) reset_handler_default, /* entry point of the program */
(void*) nmi_default, /* non maskable interrupt handler */
(void*) hard_fault_default, /* hard fault exception */
(void*) (0UL), /* reserved */
(void*) (0UL), /* reserved */
(void*) (0UL), /* reserved */
(void*) (0UL), /* reserved */
(void*) (0UL), /* reserved */
(void*) (0UL), /* reserved */
(void*) (0UL), /* reserved */
(void*) isr_svc, /* system call interrupt, in RIOT used for
* switching into thread context on boot */
(void*) (0UL), /* reserved */
(void*) (0UL), /* reserved */
(void*) isr_pendsv, /* pendSV interrupt, in RIOT the actual
* context switching is happening here */
(void*) isr_systick, /* SysTick interrupt, not used in RIOT */
/* Atmel specific peripheral handlers */
(void*) isr_pm, /* 0 Power Manager */
(void*) isr_sysctrl, /* 1 System Control */
(void*) isr_wdt, /* 2 Watchdog Timer */
(void*) isr_rtc, /* 3 Real-Time Counter */
(void*) isr_eic, /* 4 External Interrupt Controller */
(void*) isr_nvmctrl, /* 5 Non-Volatile Memory Controller */
(void*) isr_dmac, /* 6 Direct Memory Access Controller */
(void*) isr_usb, /* 7 Universal Serial Bus */
(void*) isr_evsys, /* 8 Event System Interface */
(void*) isr_sercom0, /* 9 Serial Communication Interface 0 */
(void*) isr_sercom1, /* 10 Serial Communication Interface 1 */
(void*) isr_sercom2, /* 11 Serial Communication Interface 2 */
(void*) isr_sercom3, /* 12 Serial Communication Interface 3 */
(void*) isr_sercom4, /* 13 Serial Communication Interface 4 */
(void*) isr_sercom5, /* 14 Serial Communication Interface 5 */
(void*) isr_tcc0, /* 15 Timer Counter Control 0 */
(void*) isr_tcc1, /* 16 Timer Counter Control 1 */
(void*) isr_tcc2, /* 17 Timer Counter Control 2 */
(void*) isr_tc3, /* 18 Basic Timer Counter 0 */
(void*) isr_tc4, /* 19 Basic Timer Counter 1 */
(void*) isr_tc5, /* 20 Basic Timer Counter 2 */
(void*) isr_tc6, /* 21 Basic Timer Counter 3 */
(void*) isr_tc7, /* 22 Basic Timer Counter 4 */
(void*) isr_adc, /* 23 Analog Digital Converter */
(void*) isr_ac, /* 24 Analog Comparators */
(void*) isr_dac, /* 25 Digital Analog Converter */
(void*) isr_ptc, /* 26 Peripheral Touch Controller */
(void*) isr_i2c /* 27 Inter-IC Sound Interface */
};