296 lines
12 KiB
C
296 lines
12 KiB
C
/* ----------------------------------------------------------------------------
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* SAM Software Package License
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* ----------------------------------------------------------------------------
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* Copyright (c) 2012, Atmel Corporation
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following condition is met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the disclaimer below.
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*
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* Atmel's name may not be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ----------------------------------------------------------------------------
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*/
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#include "sam3xa.h"
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/* Initialize segments */
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extern uint32_t _sfixed;
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extern uint32_t _efixed;
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extern uint32_t _etext;
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extern uint32_t _srelocate;
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extern uint32_t _erelocate;
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extern uint32_t _szero;
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extern uint32_t _ezero;
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extern uint32_t _sstack;
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extern uint32_t _estack;
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/** \cond DOXYGEN_SHOULD_SKIP_THIS */
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int main(void);
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/** \endcond */
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// Arduino: we must setup hardware before doing this
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// void __libc_init_array(void);
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/* Default empty handler */
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void Dummy_Handler(void);
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/* Cortex-M3 core handlers */
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void NMI_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void HardFault_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void MemManage_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void BusFault_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void UsageFault_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void SVC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void DebugMon_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void PendSV_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void SysTick_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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/* Peripherals handlers */
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void SUPC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void RSTC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void RTC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void RTT_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void WDT_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void PMC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void EFC0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void EFC1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void UART_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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#ifdef _SAM3XA_SMC_INSTANCE_
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void SMC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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#endif /* _SAM3XA_SMC_INSTANCE_ */
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#ifdef _SAM3XA_SDRAMC_INSTANCE_
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void SDRAMC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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#endif /* _SAM3XA_SDRAMC_INSTANCE_ */
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void PIOA_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void PIOB_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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#ifdef _SAM3XA_PIOC_INSTANCE_
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void PIOC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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#endif /* _SAM3XA_PIOC_INSTANCE_ */
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#ifdef _SAM3XA_PIOD_INSTANCE_
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void PIOD_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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#endif /* _SAM3XA_PIOD_INSTANCE_ */
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#ifdef _SAM3XA_PIOE_INSTANCE_
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void PIOE_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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#endif /* _SAM3XA_PIOE_INSTANCE_ */
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#ifdef _SAM3XA_PIOF_INSTANCE_
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void PIOF_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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#endif /* _SAM3XA_PIOF_INSTANCE_ */
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void USART0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void USART1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void USART2_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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#ifdef _SAM3XA_USART3_INSTANCE_
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void USART3_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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#endif /* _SAM3XA_USART3_INSTANCE_ */
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void HSMCI_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void TWI0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void TWI1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void SPI0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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#ifdef _SAM3XA_SPI1_INSTANCE_
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void SPI1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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#endif /* _SAM3XA_SPI1_INSTANCE_ */
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void SSC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void TC0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void TC1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void TC2_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void TC3_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void TC4_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void TC5_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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#ifdef _SAM3XA_TC2_INSTANCE_
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void TC6_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void TC7_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void TC8_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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#endif /* _SAM3XA_TC2_INSTANCE_ */
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void PWM_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void ADC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void DACC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void DMAC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void UOTGHS_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void TRNG_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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#ifdef _SAM3XA_EMAC_INSTANCE_
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void EMAC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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#endif /* _SAM3XA_EMAC_INSTANCE_ */
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void CAN0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void CAN1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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/* Exception Table */
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__attribute__ ((section(".vectors"))) __attribute__((externally_visible))
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const DeviceVectors exception_table = {
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/* Configure Initial Stack Pointer, using linker-generated symbols */
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(void*) (&_estack),
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(void*) Reset_Handler,
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(void*) NMI_Handler,
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(void*) HardFault_Handler,
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(void*) MemManage_Handler,
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(void*) BusFault_Handler,
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(void*) UsageFault_Handler,
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(void*) (0UL), /* Reserved */
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(void*) (0UL), /* Reserved */
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(void*) (0UL), /* Reserved */
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(void*) (0UL), /* Reserved */
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(void*) SVC_Handler,
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(void*) DebugMon_Handler,
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(void*) (0UL), /* Reserved */
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(void*) PendSV_Handler,
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(void*) SysTick_Handler,
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/* Configurable interrupts */
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(void*) SUPC_Handler, /* 0 Supply Controller */
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(void*) RSTC_Handler, /* 1 Reset Controller */
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(void*) RTC_Handler, /* 2 Real Time Clock */
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(void*) RTT_Handler, /* 3 Real Time Timer */
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(void*) WDT_Handler, /* 4 Watchdog Timer */
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(void*) PMC_Handler, /* 5 PMC */
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(void*) EFC0_Handler, /* 6 EFC 0 */
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(void*) EFC1_Handler, /* 7 EFC 1 */
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(void*) UART_Handler, /* 8 UART */
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#ifdef _SAM3XA_SMC_INSTANCE_
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(void*) SMC_Handler, /* 9 SMC */
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#else
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(void*) (0UL), /* 9 Reserved */
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#endif /* _SAM3XA_SMC_INSTANCE_ */
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#ifdef _SAM3XA_SDRAMC_INSTANCE_
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(void*) SDRAMC_Handler, /* 10 SDRAMC */
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#else
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(void*) (0UL), /* 10 Reserved */
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#endif /* _SAM3XA_SDRAMC_INSTANCE_ */
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(void*) PIOA_Handler, /* 11 Parallel IO Controller A */
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(void*) PIOB_Handler, /* 12 Parallel IO Controller B */
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#ifdef _SAM3XA_PIOC_INSTANCE_
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(void*) PIOC_Handler, /* 13 Parallel IO Controller C */
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#else
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(void*) (0UL), /* 13 Reserved */
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#endif /* _SAM3XA_PIOC_INSTANCE_ */
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#ifdef _SAM3XA_PIOD_INSTANCE_
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(void*) PIOD_Handler, /* 14 Parallel IO Controller D */
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#else
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(void*) (0UL), /* 14 Reserved */
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#endif /* _SAM3XA_PIOD_INSTANCE_ */
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#ifdef _SAM3XA_PIOE_INSTANCE_
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(void*) PIOE_Handler, /* 15 Parallel IO Controller E */
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#else
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(void*) (0UL), /* 15 Reserved */
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#endif /* _SAM3XA_PIOE_INSTANCE_ */
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#ifdef _SAM3XA_PIOF_INSTANCE_
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(void*) PIOF_Handler, /* 16 Parallel IO Controller F */
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#else
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(void*) (0UL), /* 16 Reserved */
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#endif /* _SAM3XA_PIOF_INSTANCE_ */
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(void*) USART0_Handler, /* 17 USART 0 */
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(void*) USART1_Handler, /* 18 USART 1 */
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(void*) USART2_Handler, /* 19 USART 2 */
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#ifdef _SAM3XA_USART3_INSTANCE_
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(void*) USART3_Handler, /* 20 USART 3 */
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#else
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(void*) (0UL), /* 20 Reserved */
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#endif /* _SAM3XA_USART3_INSTANCE_ */
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(void*) HSMCI_Handler, /* 21 MCI */
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(void*) TWI0_Handler, /* 22 TWI 0 */
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(void*) TWI1_Handler, /* 23 TWI 1 */
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(void*) SPI0_Handler, /* 24 SPI 0 */
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#ifdef _SAM3XA_SPI1_INSTANCE_
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(void*) SPI1_Handler, /* 25 SPI 1 */
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#else
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(void*) (0UL), /* 25 Reserved */
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#endif /* _SAM3XA_SPI1_INSTANCE_ */
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(void*) SSC_Handler, /* 26 SSC */
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(void*) TC0_Handler, /* 27 Timer Counter 0 */
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(void*) TC1_Handler, /* 28 Timer Counter 1 */
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(void*) TC2_Handler, /* 29 Timer Counter 2 */
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(void*) TC3_Handler, /* 30 Timer Counter 3 */
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(void*) TC4_Handler, /* 31 Timer Counter 4 */
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(void*) TC5_Handler, /* 32 Timer Counter 5 */
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#ifdef _SAM3XA_TC2_INSTANCE_
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(void*) TC6_Handler, /* 33 Timer Counter 6 */
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(void*) TC7_Handler, /* 34 Timer Counter 7 */
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(void*) TC8_Handler, /* 35 Timer Counter 8 */
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#else
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(void*) (0UL), /* 33 Reserved */
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(void*) (0UL), /* 34 Reserved */
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(void*) (0UL), /* 35 Reserved */
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#endif /* _SAM3XA_TC2_INSTANCE_ */
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(void*) PWM_Handler, /* 36 PWM */
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(void*) ADC_Handler, /* 37 ADC controller */
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(void*) DACC_Handler, /* 38 DAC controller */
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(void*) DMAC_Handler, /* 39 DMA Controller */
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(void*) UOTGHS_Handler, /* 40 USB OTG High Speed */
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(void*) TRNG_Handler, /* 41 True Random Number Generator */
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#ifdef _SAM3XA_EMAC_INSTANCE_
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(void*) EMAC_Handler, /* 42 Ethernet MAC */
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#else
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(void*) (0UL), /* 42 Reserved */
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#endif /* _SAM3XA_EMAC_INSTANCE_ */
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(void*) CAN0_Handler, /* 43 CAN Controller 0 */
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(void*) CAN1_Handler /* 44 CAN Controller 1 */
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};
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/**
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* \brief This is the code that gets called on processor reset.
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* To initialize the device, and call the main() routine.
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*/
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void Reset_Handler(void)
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{
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uint32_t *pSrc, *pDest;
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/* Initialize the relocate segment */
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pSrc = &_etext;
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pDest = &_srelocate;
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if (pSrc != pDest) {
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for (; pDest < &_erelocate;) {
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*pDest++ = *pSrc++;
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}
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}
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/* Clear the zero segment */
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for (pDest = &_szero; pDest < &_ezero;) {
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*pDest++ = 0;
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}
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/* Set the vector table base address */
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pSrc = (uint32_t *) & _sfixed;
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SCB->VTOR = ((uint32_t) pSrc & SCB_VTOR_TBLOFF_Msk);
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if (((uint32_t) pSrc >= IRAM0_ADDR) && ((uint32_t) pSrc < NFC_RAM_ADDR)) {
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SCB->VTOR |= (1UL) << SCB_VTOR_TBLBASE_Pos;
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}
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/* Initialize the C library */
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// Arduino: we must setup hardware before doing this
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//__libc_init_array();
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/* Branch to main function */
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main();
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/* Infinite loop */
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while (1);
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}
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/**
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* \brief Default interrupt handler for unused IRQs.
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*/
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void Dummy_Handler(void)
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{
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while (1) {
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}
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}
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