137 lines
5.5 KiB
C
137 lines
5.5 KiB
C
/* ----------------------------------------------------------------------------
|
|
* ATMEL Microcontroller Software Support
|
|
* ----------------------------------------------------------------------------
|
|
* Copyright (c) 2008, Atmel Corporation
|
|
*
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are 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.
|
|
* ----------------------------------------------------------------------------
|
|
*/
|
|
|
|
//------------------------------------------------------------------------------
|
|
// Headers
|
|
//------------------------------------------------------------------------------
|
|
#include "board.h"
|
|
#include "exceptions.h"
|
|
#include "board_lowlevel.h"
|
|
|
|
//------------------------------------------------------------------------------
|
|
// Types
|
|
//------------------------------------------------------------------------------
|
|
typedef union { IntFunc __fun; void * __ptr; } IntVector;
|
|
|
|
//------------------------------------------------------------------------------
|
|
// ProtoTypes
|
|
//------------------------------------------------------------------------------
|
|
|
|
extern void __iar_program_start( void );
|
|
|
|
int __low_level_init( void );
|
|
|
|
//------------------------------------------------------------------------------
|
|
// Variables
|
|
//------------------------------------------------------------------------------
|
|
extern unsigned int __ICFEDIT_vector_start__;
|
|
|
|
//------------------------------------------------------------------------------
|
|
// Exception Table
|
|
//------------------------------------------------------------------------------
|
|
|
|
#pragma language=extended
|
|
#pragma segment="CSTACK"
|
|
|
|
// 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 = ".vectors"
|
|
#pragma location = ".vectors"
|
|
const IntVector __vector_table[] =
|
|
{
|
|
{ .__ptr = __sfe( "CSTACK" ) },
|
|
__iar_program_start,
|
|
|
|
NMI_Handler,
|
|
HardFault_Handler,
|
|
MemManage_Handler,
|
|
BusFault_Handler,
|
|
UsageFault_Handler,
|
|
0, 0, 0, 0, // Reserved
|
|
SVC_Handler,
|
|
DebugMon_Handler,
|
|
0, // Reserved
|
|
PendSV_Handler,
|
|
SysTick_Handler,
|
|
|
|
// Configurable interrupts
|
|
SUPC_IrqHandler, // 0 SUPPLY CONTROLLER
|
|
RSTC_IrqHandler, // 1 RESET CONTROLLER
|
|
RTC_IrqHandler, // 2 REAL TIME CLOCK
|
|
RTT_IrqHandler, // 3 REAL TIME TIMER
|
|
WDT_IrqHandler, // 4 WATCHDOG TIMER
|
|
PMC_IrqHandler, // 5 PMC
|
|
EFC0_IrqHandler, // 6 EFC0
|
|
EFC1_IrqHandler, // 7 EFC1
|
|
DBGU_IrqHandler, // 8 DBGU
|
|
HSMC4_IrqHandler, // 9 HSMC4
|
|
PIOA_IrqHandler, // 10 Parallel IO Controller A
|
|
PIOB_IrqHandler, // 11 Parallel IO Controller B
|
|
PIOC_IrqHandler, // 12 Parallel IO Controller C
|
|
USART0_IrqHandler, // 13 USART 0
|
|
USART1_IrqHandler, // 14 USART 1
|
|
USART2_IrqHandler, // 15 USART 2
|
|
USART3_IrqHandler, // 16 USART 3
|
|
MCI0_IrqHandler, // 17 Multimedia Card Interface
|
|
TWI0_IrqHandler, // 18 TWI 0
|
|
TWI1_IrqHandler, // 19 TWI 1
|
|
SPI0_IrqHandler, // 20 Serial Peripheral Interface
|
|
SSC0_IrqHandler, // 21 Serial Synchronous Controller 0
|
|
TC0_IrqHandler, // 22 Timer Counter 0
|
|
TC1_IrqHandler, // 23 Timer Counter 1
|
|
TC2_IrqHandler, // 24 Timer Counter 2
|
|
PWM_IrqHandler, // 25 Pulse Width Modulation Controller
|
|
ADCC0_IrqHandler, // 26 ADC controller0
|
|
ADCC1_IrqHandler, // 27 ADC controller1
|
|
HDMA_IrqHandler, // 28 HDMA
|
|
USBD_IrqHandler, // 29 USB Device High Speed UDP_HS
|
|
IrqHandlerNotUsed // 30 not used
|
|
};
|
|
|
|
//------------------------------------------------------------------------------
|
|
// Exported functions
|
|
//------------------------------------------------------------------------------
|
|
|
|
//------------------------------------------------------------------------------
|
|
/// This is the code that gets called on processor reset. To initialize the
|
|
/// device.
|
|
//------------------------------------------------------------------------------
|
|
int __low_level_init( void )
|
|
{
|
|
unsigned int * src = __section_begin(".vectors");
|
|
|
|
LowLevelInit();
|
|
|
|
AT91C_BASE_NVIC->NVIC_VTOFFR = ((unsigned int)(src)) | (0x0 << 7);
|
|
|
|
return 1; // if return 0, the data sections will not be initialized.
|
|
}
|