| /* ---------------------------------------------------------------------------- |
| * SAM Software Package License |
| * ---------------------------------------------------------------------------- |
| * Copyright (c) 2012, 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 "sam4s.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-M4 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"))); |
| #ifdef _SAM4S_SMC_INSTANCE_ |
| void SMC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); |
| #endif /* _SAM4S_SMC_INSTANCE_ */ |
| void PIOA_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); |
| void PIOB_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); |
| #ifdef _SAM4S_PIOC_INSTANCE_ |
| void PIOC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); |
| #endif /* _SAM4S_PIOC_INSTANCE_ */ |
| void USART0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); |
| #ifdef _SAM4S_USART1_INSTANCE_ |
| void USART1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); |
| #endif /* _SAM4S_USART1_INSTANCE_ */ |
| #ifdef _SAM4S_HSMCI_INSTANCE_ |
| void HSMCI_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); |
| #endif /* _SAM4S_HSMCI_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 SSC_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 _SAM4S_TC1_INSTANCE_ |
| void TC3_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); |
| void TC4_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); |
| void TC5_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); |
| #endif /* _SAM4S_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"))); |
| void CRCCU_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); |
| void ACC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); |
| void UDP_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); |
| |
| /* Exception Table */ |
| __attribute__ ((section(".vectors"))) |
| const DeviceVectors exception_table = { |
| |
| /* Configure Initial Stack Pointer, using linker-generated symbols */ |
| (void*) (&_estack), |
| (void*) Reset_Handler, |
| |
| (void*) NMI_Handler, |
| (void*) HardFault_Handler, |
| (void*) MemManage_Handler, |
| (void*) BusFault_Handler, |
| (void*) UsageFault_Handler, |
| (void*) (0UL), /* Reserved */ |
| (void*) (0UL), /* Reserved */ |
| (void*) (0UL), /* Reserved */ |
| (void*) (0UL), /* Reserved */ |
| (void*) SVC_Handler, |
| (void*) DebugMon_Handler, |
| (void*) (0UL), /* Reserved */ |
| (void*) PendSV_Handler, |
| (void*) SysTick_Handler, |
| |
| /* Configurable interrupts */ |
| (void*) SUPC_Handler, /* 0 Supply Controller */ |
| (void*) RSTC_Handler, /* 1 Reset Controller */ |
| (void*) RTC_Handler, /* 2 Real Time Clock */ |
| (void*) RTT_Handler, /* 3 Real Time Timer */ |
| (void*) WDT_Handler, /* 4 Watchdog Timer */ |
| (void*) PMC_Handler, /* 5 PMC */ |
| (void*) EFC_Handler, /* 6 EEFC */ |
| (void*) (0UL), /* 7 Reserved */ |
| (void*) UART0_Handler, /* 8 UART0 */ |
| (void*) UART1_Handler, /* 9 UART1 */ |
| #ifdef _SAM4S_SMC_INSTANCE_ |
| (void*) SMC_Handler, /* 10 SMC */ |
| #else |
| (void*) (0UL), /* 10 Reserved */ |
| #endif /* _SAM3S_SMC_INSTANCE_ */ |
| (void*) PIOA_Handler, /* 11 Parallel IO Controller A */ |
| (void*) PIOB_Handler, /* 12 Parallel IO Controller B */ |
| #ifdef _SAM4S_PIOC_INSTANCE_ |
| (void*) PIOC_Handler, /* 13 Parallel IO Controller C */ |
| #else |
| (void*) (0UL), /* 13 Reserved */ |
| #endif /* _SAM4S_PIOC_INSTANCE_ */ |
| (void*) USART0_Handler, /* 14 USART 0 */ |
| #ifdef _SAM4S_USART1_INSTANCE_ |
| (void*) USART1_Handler, /* 15 USART 1 */ |
| #else |
| (void*) (0UL), /* 15 Reserved */ |
| #endif /* _SAM4S_USART1_INSTANCE_ */ |
| (void*) (0UL), /* 16 Reserved */ |
| (void*) (0UL), /* 17 Reserved */ |
| #ifdef _SAM4S_HSMCI_INSTANCE_ |
| (void*) HSMCI_Handler, /* 18 MCI */ |
| #else |
| (void*) (0UL), /* 18 Reserved */ |
| #endif /* _SAM4S_HSMCI_INSTANCE_ */ |
| (void*) TWI0_Handler, /* 19 TWI 0 */ |
| (void*) TWI1_Handler, /* 20 TWI 1 */ |
| (void*) SPI_Handler, /* 21 SPI */ |
| (void*) SSC_Handler, /* 22 SSC */ |
| (void*) TC0_Handler, /* 23 Timer Counter 0 */ |
| (void*) TC1_Handler, /* 24 Timer Counter 1 */ |
| (void*) TC2_Handler, /* 25 Timer Counter 2 */ |
| #ifdef _SAM4S_TC1_INSTANCE_ |
| (void*) TC3_Handler, /* 26 Timer Counter 3 */ |
| (void*) TC4_Handler, /* 27 Timer Counter 4 */ |
| (void*) TC5_Handler, /* 28 Timer Counter 5 */ |
| #else |
| (void*) (0UL), /* 26 Reserved */ |
| (void*) (0UL), /* 27 Reserved */ |
| (void*) (0UL), /* 28 Reserved */ |
| #endif /* _SAM4S_TC1_INSTANCE_ */ |
| (void*) ADC_Handler, /* 29 ADC controller */ |
| (void*) DACC_Handler, /* 30 DAC controller */ |
| (void*) PWM_Handler, /* 31 PWM */ |
| (void*) CRCCU_Handler, /* 32 CRC Calculation Unit */ |
| (void*) ACC_Handler, /* 33 Analog Comparator */ |
| (void*) UDP_Handler /* 34 USB Device Port */ |
| }; |
| |
| /** |
| * \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) { |
| } |
| } |
| |