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RIOT/cpu/samd21/vectors.c 5.1 KB
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  /*
   * Copyright (C) 2014-2015 Freie Universitรคt 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 */
  };