| /* ---------------------------------------------------------------------------- |
| * 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" |
| |
| typedef void (*intfunc) (void); |
| typedef union { intfunc __fun; void * __ptr; } intvec_elem; |
| |
| void __iar_program_start(void); |
| int __low_level_init(void); |
| |
| /* Default empty handler */ |
| void Dummy_Handler(void); |
| |
| /* Cortex-M3 core handlers */ |
| #pragma weak NMI_Handler=Dummy_Handler |
| #pragma weak HardFault_Handler=Dummy_Handler |
| #pragma weak MemManage_Handler=Dummy_Handler |
| #pragma weak BusFault_Handler=Dummy_Handler |
| #pragma weak UsageFault_Handler=Dummy_Handler |
| #pragma weak SVC_Handler=Dummy_Handler |
| #pragma weak DebugMon_Handler=Dummy_Handler |
| #pragma weak PendSV_Handler=Dummy_Handler |
| #pragma weak SysTick_Handler=Dummy_Handler |
| |
| /* Peripherals handlers */ |
| #pragma weak SUPC_Handler=Dummy_Handler |
| #pragma weak RSTC_Handler=Dummy_Handler |
| #pragma weak RTC_Handler=Dummy_Handler |
| #pragma weak RTT_Handler=Dummy_Handler |
| #pragma weak WDT_Handler=Dummy_Handler |
| #pragma weak PMC_Handler=Dummy_Handler |
| #pragma weak EFC_Handler=Dummy_Handler |
| #pragma weak UART0_Handler=Dummy_Handler |
| #pragma weak UART1_Handler=Dummy_Handler |
| #ifdef _SAM4S_SMC_INSTANCE_ |
| #pragma weak SMC_Handler=Dummy_Handler |
| #endif /* _SAM4S_SMC_INSTANCE_ */ |
| #pragma weak PIOA_Handler=Dummy_Handler |
| #pragma weak PIOB_Handler=Dummy_Handler |
| #ifdef _SAM4S_PIOC_INSTANCE_ |
| #pragma weak PIOC_Handler=Dummy_Handler |
| #endif /* _SAM4S_PIOC_INSTANCE_ */ |
| #pragma weak USART0_Handler=Dummy_Handler |
| #ifdef _SAM4S_USART1_INSTANCE_ |
| #pragma weak USART1_Handler=Dummy_Handler |
| #endif /* _SAM4S_USART1_INSTANCE_ */ |
| #ifdef _SAM4S_HSMCI_INSTANCE_ |
| #pragma weak HSMCI_Handler=Dummy_Handler |
| #endif /* _SAM4S_HSMCI_INSTANCE_ */ |
| #pragma weak TWI0_Handler=Dummy_Handler |
| #pragma weak TWI1_Handler=Dummy_Handler |
| #pragma weak SPI_Handler=Dummy_Handler |
| #pragma weak SSC_Handler=Dummy_Handler |
| #pragma weak TC0_Handler=Dummy_Handler |
| #pragma weak TC1_Handler=Dummy_Handler |
| #pragma weak TC2_Handler=Dummy_Handler |
| #ifdef _SAM4S_TC1_INSTANCE_ |
| #pragma weak TC3_Handler=Dummy_Handler |
| #pragma weak TC4_Handler=Dummy_Handler |
| #pragma weak TC5_Handler=Dummy_Handler |
| #endif /* _SAM4S_TC1_INSTANCE_ */ |
| #pragma weak ADC_Handler=Dummy_Handler |
| #pragma weak DACC_Handler=Dummy_Handler |
| #pragma weak PWM_Handler=Dummy_Handler |
| #pragma weak CRCCU_Handler=Dummy_Handler |
| #pragma weak ACC_Handler=Dummy_Handler |
| #pragma weak UDP_Handler=Dummy_Handler |
| |
| /* Exception Table */ |
| |
| /* The name "__vector_table" has special meaning for C-SPY: */ |
| /* it is where the SP start value is found, and the NVIC vector */ |
| /* table register (VTOR) is initialized to this address if != 0 */ |
| |
| #pragma section = ".intvec" |
| #pragma location = ".intvec" |
| const DeviceVectors __vector_table[] = { |
| (void*) (&__cstack_end__), |
| (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 /* _SAM4S_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 */ |
| }; |
| |
| /**------------------------------------------------------------------------------ |
| * This is the code that gets called on processor reset. To initialize the |
| * device. |
| *------------------------------------------------------------------------------*/ |
| int __low_level_init(void) |
| { |
| uint32_t *pSrc = __section_begin(".intvec"); |
| |
| SCB->VTOR = ((uint32_t) pSrc & SCB_VTOR_TBLOFF_Msk); |
| |
| if (((uint32_t) pSrc >= IRAM_ADDR) && ((uint32_t) pSrc < (uint32_t) IRAM_ADDR + (uint32_t) IRAM_SIZE)) { |
| SCB->VTOR |= (1UL) << SCB_VTOR_TBLBASE_Pos; |
| } |
| |
| return 1; /* if return 0, the data sections will not be initialized */ |
| } |
| |
| /**------------------------------------------------------------------------------ |
| * This is the code that gets called on processor reset. To initialize the |
| * device. |
| *------------------------------------------------------------------------------*/ |
| void Reset_Handler(void) |
| { |
| __iar_program_start(); |
| } |