vectors.c
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/*
* Copyright (C) 2016 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_nrf52
* @{
*
* @file
* @brief nRF52 interrupt vector definitions
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
*
* @}
*/
#include <stdint.h>
#include "cpu.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);
/* nRF52 specific interrupt vectors */
WEAK_DEFAULT void isr_power_clock(void);
WEAK_DEFAULT void isr_radio(void);
WEAK_DEFAULT void isr_uart0(void);
WEAK_DEFAULT void isr_spi0_twi0(void);
WEAK_DEFAULT void isr_spi1_twi1(void);
WEAK_DEFAULT void isr_nfct(void);
WEAK_DEFAULT void isr_gpiote(void);
WEAK_DEFAULT void isr_saadc(void);
WEAK_DEFAULT void isr_timer0(void);
WEAK_DEFAULT void isr_timer1(void);
WEAK_DEFAULT void isr_timer2(void);
WEAK_DEFAULT void isr_rtc0(void);
WEAK_DEFAULT void isr_temp(void);
WEAK_DEFAULT void isr_rng(void);
WEAK_DEFAULT void isr_ecb(void);
WEAK_DEFAULT void isr_ccm_aar(void);
WEAK_DEFAULT void isr_wdt(void);
WEAK_DEFAULT void isr_rtc1(void);
WEAK_DEFAULT void isr_qdec(void);
WEAK_DEFAULT void isr_lpcomp(void);
#ifndef SOFTDEVICE_PRESENT
WEAK_DEFAULT void isr_swi0(void);
#else
/* For unknown reasons, setting PendSV pending within
* the softdevice ISRs leads to a crash. This workaround
* uses swi0 as trampoline.
*/
extern void thread_arch_yield(void);
void isr_swi0(void)
{
thread_arch_yield();
}
#endif
WEAK_DEFAULT void isr_swi1(void);
WEAK_DEFAULT void isr_swi2(void);
WEAK_DEFAULT void isr_swi3(void);
WEAK_DEFAULT void isr_swi4(void);
WEAK_DEFAULT void isr_swi5(void);
WEAK_DEFAULT void isr_timer3(void);
WEAK_DEFAULT void isr_timer4(void);
WEAK_DEFAULT void isr_pwm0(void);
WEAK_DEFAULT void isr_pdm(void);
WEAK_DEFAULT void isr_mwu(void);
WEAK_DEFAULT void isr_pwm1(void);
WEAK_DEFAULT void isr_pwm2(void);
WEAK_DEFAULT void isr_spi2(void);
WEAK_DEFAULT void isr_rtc2(void);
WEAK_DEFAULT void isr_i2s(void);
#ifdef SOFTDEVICE_PRESENT
extern void SWI2_EGU2_IRQHandler(void);
#endif
/* interrupt vector table */
ISR_VECTORS const void *interrupt_vector[] = {
/* Exception stack pointer */
(void*) (&_estack), /* pointer to the top of the stack */
/* Cortex-M4 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*) mem_manage_default, /* memory manage exception */
(void*) bus_fault_default, /* bus fault exception */
(void*) usage_fault_default, /* usage fault exception */
(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*) debug_mon_default, /* debug monitor exception */
(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 */
/* nRF52 specific peripheral handlers */
(void *) isr_power_clock, /* power_clock */
(void *) isr_radio, /* radio */
(void *) isr_uart0, /* uart0 */
(void *) isr_spi0_twi0, /* spi0_twi0 */
(void *) isr_spi1_twi1, /* spi1_twi1 */
(void *) isr_nfct, /* nfct */
(void *) isr_gpiote, /* gpiote */
(void *) isr_saadc, /* adc */
(void *) isr_timer0, /* timer0 */
(void *) isr_timer1, /* timer1 */
(void *) isr_timer2, /* timer2 */
(void *) isr_rtc0, /* rtc0 */
(void *) isr_temp, /* temp */
(void *) isr_rng, /* rng */
(void *) isr_ecb, /* ecb */
(void *) isr_ccm_aar, /* ccm_aar */
(void *) isr_wdt, /* wdt */
(void *) isr_rtc1, /* rtc1 */
(void *) isr_qdec, /* qdec */
(void *) isr_lpcomp, /* lpcomp */
(void *) isr_swi0, /* swi0 */
(void *) isr_swi1, /* swi1 */
#ifdef SOFTDEVICE_PRESENT
(void *) SWI2_EGU2_IRQHandler, /* softdevice swi handler */
#else
(void *) isr_swi2, /* swi2 */
#endif
(void *) (0UL), /* swi3 */
(void *) (0UL), /* swi4 */
(void *) (0UL), /* swi5 */
(void *) isr_timer3, /* timer 3 */
(void *) isr_timer4, /* timer 4 */
(void *) isr_pwm0, /* pwm 0 */
(void *) isr_pdm, /* pdm */
(void *)(0UL), /* reserved */
(void *)(0UL), /* reserved */
(void *) isr_mwu, /* mwu */
(void *) isr_pwm1, /* pwm 1 */
(void *) isr_pwm2, /* pwm 2 */
(void *) isr_spi2, /* spi 2 */
(void *) isr_rtc2, /* rtc 2 */
(void *) isr_i2s, /* i2s */
};