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- /* ---------------------------------------------------------------------------- */
- /* Atmel Microcontroller Software Support */
- /* SAM Software Package License */
- /* ---------------------------------------------------------------------------- */
- /* Copyright (c) %copyright_year%, Atmel Corporation */
- /* */
- /* All rights reserved. */
- /* */
- /* Redistribution and use in source and binary forms, with or without */
- /* modification, are permitted provided that the following condition is met: */
- /* */
- /* - Redistributions of source code must retain the above copyright notice, */
- /* this list of conditions and the disclaimer below. */
- /* */
- /* Atmel's name may not be used to endorse or promote products derived from */
- /* this software without specific prior written permission. */
- /* */
- /* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */
- /* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
- /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */
- /* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */
- /* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */
- /* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */
- /* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
- /* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
- /* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */
- /* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
- /* ---------------------------------------------------------------------------- */
- #include "sam3n.h"
- /* Initialize segments */
- extern uint32_t _sfixed;
- extern uint32_t _efixed;
- extern uint32_t _etext;
- extern uint32_t _srelocate;
- extern uint32_t _erelocate;
- extern uint32_t _szero;
- extern uint32_t _ezero;
- extern uint32_t _sstack;
- extern uint32_t _estack;
- /** \cond DOXYGEN_SHOULD_SKIP_THIS */
- int main(void);
- /** \endcond */
- void __libc_init_array(void);
- /* Default empty handler */
- void Dummy_Handler(void);
- /* Cortex-M3 core handlers */
- void NMI_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- void HardFault_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- void MemManage_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- void BusFault_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- void UsageFault_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- void SVC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- void DebugMon_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- void PendSV_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- void SysTick_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- /* Peripherals handlers */
- void SUPC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- void RSTC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- void RTC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- void RTT_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- void WDT_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- void PMC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- void EFC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- void UART0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- void UART1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- void PIOA_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- void PIOB_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- #ifdef _SAM3N_PIOC_INSTANCE_
- void PIOC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- #endif /* _SAM3N_PIOC_INSTANCE_ */
- void USART0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- #ifdef _SAM3N_USART1_INSTANCE_
- void USART1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- #endif /* _SAM3N_USART1_INSTANCE_ */
- void TWI0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- void TWI1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- void SPI_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- void TC0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- void TC1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- void TC2_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- #ifdef _SAM3N_TC1_INSTANCE_
- void TC3_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- #endif /* _SAM3N_TC1_INSTANCE_ */
- #ifdef _SAM3N_TC1_INSTANCE_
- void TC4_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- #endif /* _SAM3N_TC1_INSTANCE_ */
- #ifdef _SAM3N_TC1_INSTANCE_
- void TC5_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- #endif /* _SAM3N_TC1_INSTANCE_ */
- void ADC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- void DACC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- void PWM_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
- /* Exception Table */
- __attribute__ ((section(".vectors")))
- const DeviceVectors exception_table = {
- /* Configure Initial Stack Pointer, using linker-generated symbols */
- .pvStack = (void*) (&_estack),
- .pfnReset_Handler = (void*) Reset_Handler,
- .pfnNMI_Handler = (void*) NMI_Handler,
- .pfnHardFault_Handler = (void*) HardFault_Handler,
- .pfnMemManage_Handler = (void*) MemManage_Handler,
- .pfnBusFault_Handler = (void*) BusFault_Handler,
- .pfnUsageFault_Handler = (void*) UsageFault_Handler,
- .pfnReserved1_Handler = (void*) (0UL), /* Reserved */
- .pfnReserved2_Handler = (void*) (0UL), /* Reserved */
- .pfnReserved3_Handler = (void*) (0UL), /* Reserved */
- .pfnReserved4_Handler = (void*) (0UL), /* Reserved */
- .pfnSVC_Handler = (void*) SVC_Handler,
- .pfnDebugMon_Handler = (void*) DebugMon_Handler,
- .pfnReserved5_Handler = (void*) (0UL), /* Reserved */
- .pfnPendSV_Handler = (void*) PendSV_Handler,
- .pfnSysTick_Handler = (void*) SysTick_Handler,
- /* Configurable interrupts */
- .pfnSUPC_Handler = (void*) SUPC_Handler, /* 0 Supply Controller */
- .pfnRSTC_Handler = (void*) RSTC_Handler, /* 1 Reset Controller */
- .pfnRTC_Handler = (void*) RTC_Handler, /* 2 Real Time Clock */
- .pfnRTT_Handler = (void*) RTT_Handler, /* 3 Real Time Timer */
- .pfnWDT_Handler = (void*) WDT_Handler, /* 4 Watchdog Timer */
- .pfnPMC_Handler = (void*) PMC_Handler, /* 5 Power Management Controller */
- .pfnEFC_Handler = (void*) EFC_Handler, /* 6 Enhanced Flash Controller */
- .pvReserved7 = (void*) (0UL), /* 7 Reserved */
- .pfnUART0_Handler = (void*) UART0_Handler, /* 8 UART 0 */
- .pfnUART1_Handler = (void*) UART1_Handler, /* 9 UART 1 */
- .pvReserved10 = (void*) (0UL), /* 10 Reserved */
- .pfnPIOA_Handler = (void*) PIOA_Handler, /* 11 Parallel I/O Controller A */
- .pfnPIOB_Handler = (void*) PIOB_Handler, /* 12 Parallel I/O Controller B */
- #ifdef _SAM3N_PIOC_INSTANCE_
- .pfnPIOC_Handler = (void*) PIOC_Handler, /* 13 Parallel I/O Controller C */
- #else
- .pvReserved13 = (void*) (0UL), /* 13 Reserved */
- #endif /* _SAM3N_PIOC_INSTANCE_ */
- .pfnUSART0_Handler = (void*) USART0_Handler, /* 14 USART 0 */
- #ifdef _SAM3N_USART1_INSTANCE_
- .pfnUSART1_Handler = (void*) USART1_Handler, /* 15 USART 1 */
- #else
- .pvReserved15 = (void*) (0UL), /* 15 Reserved */
- #endif /* _SAM3N_USART1_INSTANCE_ */
- .pvReserved16 = (void*) (0UL), /* 16 Reserved */
- .pvReserved17 = (void*) (0UL), /* 17 Reserved */
- .pvReserved18 = (void*) (0UL), /* 18 Reserved */
- .pfnTWI0_Handler = (void*) TWI0_Handler, /* 19 Two Wire Interface 0 */
- .pfnTWI1_Handler = (void*) TWI1_Handler, /* 20 Two Wire Interface 1 */
- .pfnSPI_Handler = (void*) SPI_Handler, /* 21 Serial Peripheral Interface */
- .pvReserved22 = (void*) (0UL), /* 22 Reserved */
- .pfnTC0_Handler = (void*) TC0_Handler, /* 23 Timer/Counter 0 */
- .pfnTC1_Handler = (void*) TC1_Handler, /* 24 Timer/Counter 1 */
- .pfnTC2_Handler = (void*) TC2_Handler, /* 25 Timer/Counter 2 */
- #ifdef _SAM3N_TC1_INSTANCE_
- .pfnTC3_Handler = (void*) TC3_Handler, /* 26 Timer/Counter 3 */
- #else
- .pvReserved26 = (void*) (0UL), /* 26 Reserved */
- #endif /* _SAM3N_TC1_INSTANCE_ */
- #ifdef _SAM3N_TC1_INSTANCE_
- .pfnTC4_Handler = (void*) TC4_Handler, /* 27 Timer/Counter 4 */
- #else
- .pvReserved27 = (void*) (0UL), /* 27 Reserved */
- #endif /* _SAM3N_TC1_INSTANCE_ */
- #ifdef _SAM3N_TC1_INSTANCE_
- .pfnTC5_Handler = (void*) TC5_Handler, /* 28 Timer/Counter 5 */
- #else
- .pvReserved28 = (void*) (0UL), /* 28 Reserved */
- #endif /* _SAM3N_TC1_INSTANCE_ */
- .pfnADC_Handler = (void*) ADC_Handler, /* 29 Analog To Digital Converter */
- .pfnDACC_Handler = (void*) DACC_Handler, /* 30 Digital To Analog Converter */
- .pfnPWM_Handler = (void*) PWM_Handler /* 31 Pulse Width Modulation */
- };
- /**
- * \brief This is the code that gets called on processor reset.
- * To initialize the device, and call the main() routine.
- */
- void Reset_Handler(void)
- {
- uint32_t *pSrc, *pDest;
- /* Initialize the relocate segment */
- pSrc = &_etext;
- pDest = &_srelocate;
- if (pSrc != pDest) {
- for (; pDest < &_erelocate;) {
- *pDest++ = *pSrc++;
- }
- }
- /* Clear the zero segment */
- for (pDest = &_szero; pDest < &_ezero;) {
- *pDest++ = 0;
- }
- /* Set the vector table base address */
- pSrc = (uint32_t *) & _sfixed;
- SCB->VTOR = ((uint32_t) pSrc & SCB_VTOR_TBLOFF_Msk);
- /* Initialize the C library */
- __libc_init_array();
- /* Branch to main function */
- main();
- /* Infinite loop */
- while (1);
- }
- /**
- * \brief Default interrupt handler for unused IRQs.
- */
- void Dummy_Handler(void)
- {
- while (1) {
- }
- }
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