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[sam] committing state-of-the-art code: compiling under EWARM 6.21.1 but debug not easy
This commit is contained in:
@ -0,0 +1,147 @@
|
||||
/* ----------------------------------------------------------------------------
|
||||
* ATMEL Microcontroller Software Support
|
||||
* ----------------------------------------------------------------------------
|
||||
* Copyright (c) 2009, 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.
|
||||
* ----------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
/**
|
||||
* \file
|
||||
* This file contains the default exception handlers.
|
||||
*
|
||||
* \note
|
||||
* The exception handler has weak aliases.
|
||||
* As they are weak aliases, any function with the same name will override
|
||||
* this definition.
|
||||
*/
|
||||
#include "exceptions.h"
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
* Exported functions
|
||||
*----------------------------------------------------------------------------*/
|
||||
|
||||
#ifdef __GNUC__
|
||||
/* Cortex-M3 core handlers */
|
||||
extern void Reset_Handler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void NMI_Handler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void HardFault_Handler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void MemManage_Handler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void BusFault_Handler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void UsageFault_Handler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void SVC_Handler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void DebugMon_Handler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void PendSV_Handler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void SysTick_Handler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
|
||||
/* Peripherals handlers */
|
||||
extern void ACC_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void ADC_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void CRCCU_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void DAC_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void EEFC_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void MCI_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void PIOA_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void PIOB_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void PIOC_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void PMC_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void PWM_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void RSTC_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void RTC_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void RTT_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void SMC_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void SPI_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void SSC_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void SUPC_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void TC0_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void TC1_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void TC2_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void TC3_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void TC4_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void TC5_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void TWI0_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void TWI1_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void UART0_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void UART1_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void USART0_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void USART1_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void USBD_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
extern void WDT_IrqHandler( void ) __attribute__ ((weak, alias ("Dummy_Handler"))) ;
|
||||
#endif // __GNUC__
|
||||
|
||||
#ifdef __ICCARM__
|
||||
/* Cortex-M3 core handlers */
|
||||
#pragma weak Reset_Handler=Dummy_Handler
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||||
#pragma weak NMI_Handler=Dummy_Handler
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||||
#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 ACC_IrqHandler=Dummy_Handler
|
||||
#pragma weak ADC_IrqHandler=Dummy_Handler
|
||||
#pragma weak CRCCU_IrqHandler=Dummy_Handler
|
||||
#pragma weak DAC_IrqHandler=Dummy_Handler
|
||||
#pragma weak EEFC_IrqHandler=Dummy_Handler
|
||||
#pragma weak MCI_IrqHandler=Dummy_Handler
|
||||
#pragma weak PIOA_IrqHandler=Dummy_Handler
|
||||
#pragma weak PIOB_IrqHandler=Dummy_Handler
|
||||
#pragma weak PIOC_IrqHandler=Dummy_Handler
|
||||
#pragma weak PMC_IrqHandler=Dummy_Handler
|
||||
#pragma weak PWM_IrqHandler=Dummy_Handler
|
||||
#pragma weak RSTC_IrqHandler=Dummy_Handler
|
||||
#pragma weak RTC_IrqHandler=Dummy_Handler
|
||||
#pragma weak RTT_IrqHandler=Dummy_Handler
|
||||
#pragma weak SMC_IrqHandler=Dummy_Handler
|
||||
#pragma weak SPI_IrqHandler=Dummy_Handler
|
||||
#pragma weak SSC_IrqHandler=Dummy_Handler
|
||||
#pragma weak SUPC_IrqHandler=Dummy_Handler
|
||||
#pragma weak TC0_IrqHandler=Dummy_Handler
|
||||
#pragma weak TC1_IrqHandler=Dummy_Handler
|
||||
#pragma weak TC2_IrqHandler=Dummy_Handler
|
||||
#pragma weak TC3_IrqHandler=Dummy_Handler
|
||||
#pragma weak TC4_IrqHandler=Dummy_Handler
|
||||
#pragma weak TC5_IrqHandler=Dummy_Handler
|
||||
#pragma weak TWI0_IrqHandler=Dummy_Handler
|
||||
#pragma weak TWI1_IrqHandler=Dummy_Handler
|
||||
#pragma weak UART0_IrqHandler=Dummy_Handler
|
||||
#pragma weak UART1_IrqHandler=Dummy_Handler
|
||||
#pragma weak USART0_IrqHandler=Dummy_Handler
|
||||
#pragma weak USART1_IrqHandler=Dummy_Handler
|
||||
#pragma weak USBD_IrqHandler=Dummy_Handler
|
||||
#pragma weak WDT_IrqHandler=Dummy_Handler
|
||||
#endif // __ICCARM__
|
||||
|
||||
/**
|
||||
* \brief Default interrupt handler for not used irq.
|
||||
*/
|
||||
void Dummy_Handler( void )
|
||||
{
|
||||
while ( 1 ) ;
|
||||
}
|
@ -0,0 +1,98 @@
|
||||
/* ----------------------------------------------------------------------------
|
||||
* ATMEL Microcontroller Software Support
|
||||
* ----------------------------------------------------------------------------
|
||||
* Copyright (c) 2009, 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.
|
||||
* ----------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
/**
|
||||
* \file
|
||||
* Interface for default exception handlers.
|
||||
*/
|
||||
|
||||
#ifndef _EXCEPTIONS_
|
||||
#define _EXCEPTIONS_
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
* Types
|
||||
*----------------------------------------------------------------------------*/
|
||||
|
||||
/* Function prototype for exception table items (interrupt handler). */
|
||||
typedef void( *IntFunc )( void ) ;
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
* Exported functions
|
||||
*----------------------------------------------------------------------------*/
|
||||
/* Default empty handler */
|
||||
extern void Dummy_Handler( void ) ;
|
||||
|
||||
/* Cortex-M3 core handlers */
|
||||
extern void Reset_Handler( void ) ;
|
||||
extern void NMI_Handler( void ) ;
|
||||
extern void HardFault_Handler( void ) ;
|
||||
extern void MemManage_Handler( void ) ;
|
||||
extern void BusFault_Handler( void ) ;
|
||||
extern void UsageFault_Handler( void ) ;
|
||||
extern void SVC_Handler( void ) ;
|
||||
extern void DebugMon_Handler( void ) ;
|
||||
extern void PendSV_Handler( void ) ;
|
||||
extern void SysTick_Handler( void ) ;
|
||||
|
||||
/* Peripherals handlers */
|
||||
extern void ACC_IrqHandler( void ) ;
|
||||
extern void ADC_IrqHandler( void ) ;
|
||||
extern void CRCCU_IrqHandler( void ) ;
|
||||
extern void DAC_IrqHandler( void ) ;
|
||||
extern void EEFC_IrqHandler( void ) ;
|
||||
extern void MCI_IrqHandler( void ) ;
|
||||
extern void PIOA_IrqHandler( void ) ;
|
||||
extern void PIOB_IrqHandler( void ) ;
|
||||
extern void PIOC_IrqHandler( void ) ;
|
||||
extern void PMC_IrqHandler( void ) ;
|
||||
extern void PWM_IrqHandler( void ) ;
|
||||
extern void RSTC_IrqHandler( void ) ;
|
||||
extern void RTC_IrqHandler( void ) ;
|
||||
extern void RTT_IrqHandler( void ) ;
|
||||
extern void SMC_IrqHandler( void ) ;
|
||||
extern void SPI_IrqHandler( void ) ;
|
||||
extern void SSC_IrqHandler( void ) ;
|
||||
extern void SUPC_IrqHandler( void ) ;
|
||||
extern void TC0_IrqHandler( void ) ;
|
||||
extern void TC1_IrqHandler( void ) ;
|
||||
extern void TC2_IrqHandler( void ) ;
|
||||
extern void TC3_IrqHandler( void ) ;
|
||||
extern void TC4_IrqHandler( void ) ;
|
||||
extern void TC5_IrqHandler( void ) ;
|
||||
extern void TWI0_IrqHandler( void ) ;
|
||||
extern void TWI1_IrqHandler( void ) ;
|
||||
extern void UART0_IrqHandler( void ) ;
|
||||
extern void UART1_IrqHandler( void ) ;
|
||||
extern void USART0_IrqHandler( void ) ;
|
||||
extern void USART1_IrqHandler( void ) ;
|
||||
extern void USBD_IrqHandler( void ) ;
|
||||
extern void WDT_IrqHandler( void ) ;
|
||||
|
||||
|
||||
#endif /* _EXCEPTIONS_ */
|
@ -0,0 +1,177 @@
|
||||
/* ----------------------------------------------------------------------------
|
||||
* ATMEL Microcontroller Software Support
|
||||
* ----------------------------------------------------------------------------
|
||||
* Copyright (c) 2010, 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 "exceptions.h"
|
||||
#include "sam3s8.h"
|
||||
#include "system_sam3sd8.h"
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
* Exported variables
|
||||
*----------------------------------------------------------------------------*/
|
||||
|
||||
/* Stack Configuration */
|
||||
#define STACK_SIZE 0x900 /** Stack size (in DWords) */
|
||||
__attribute__ ((aligned(8),section(".stack")))
|
||||
uint32_t pdwStack[STACK_SIZE] ;
|
||||
|
||||
/* 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;
|
||||
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
* ProtoTypes
|
||||
*----------------------------------------------------------------------------*/
|
||||
|
||||
/** \cond DOXYGEN_SHOULD_SKIP_THIS */
|
||||
extern int main( void ) ;
|
||||
/** \endcond */
|
||||
void ResetException( void ) ;
|
||||
extern void __libc_init_array( void ) ;
|
||||
|
||||
/*------------------------------------------------------------------------------
|
||||
* Exception Table
|
||||
*------------------------------------------------------------------------------*/
|
||||
|
||||
__attribute__((section(".vectors")))
|
||||
IntFunc exception_table[] = {
|
||||
|
||||
/* Configure Initial Stack Pointer, using linker-generated symbols */
|
||||
(IntFunc)(&pdwStack[STACK_SIZE-1]),
|
||||
ResetException,
|
||||
|
||||
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 */
|
||||
EEFC_IrqHandler, /* 6 EEFC */
|
||||
Dummy_Handler, /* 7 Reserved */
|
||||
UART0_IrqHandler, /* 8 UART0 */
|
||||
UART1_IrqHandler, /* 9 UART1 */
|
||||
SMC_IrqHandler, /* 10 SMC */
|
||||
PIOA_IrqHandler, /* 11 Parallel IO Controller A */
|
||||
PIOB_IrqHandler, /* 12 Parallel IO Controller B */
|
||||
PIOC_IrqHandler, /* 13 Parallel IO Controller C */
|
||||
USART0_IrqHandler, /* 14 USART 0 */
|
||||
USART1_IrqHandler, /* 15 USART 1 */
|
||||
Dummy_Handler, /* 16 Reserved */
|
||||
Dummy_Handler, /* 17 Reserved */
|
||||
MCI_IrqHandler, /* 18 MCI */
|
||||
TWI0_IrqHandler, /* 19 TWI 0 */
|
||||
TWI1_IrqHandler, /* 20 TWI 1 */
|
||||
SPI_IrqHandler, /* 21 SPI */
|
||||
SSC_IrqHandler, /* 22 SSC */
|
||||
TC0_IrqHandler, /* 23 Timer Counter 0 */
|
||||
TC1_IrqHandler, /* 24 Timer Counter 1 */
|
||||
TC2_IrqHandler, /* 25 Timer Counter 2 */
|
||||
TC3_IrqHandler, /* 26 Timer Counter 3 */
|
||||
TC4_IrqHandler, /* 27 Timer Counter 4 */
|
||||
TC5_IrqHandler, /* 28 Timer Counter 5 */
|
||||
ADC_IrqHandler, /* 29 ADC controller */
|
||||
DAC_IrqHandler, /* 30 DAC controller */
|
||||
PWM_IrqHandler, /* 31 PWM */
|
||||
CRCCU_IrqHandler, /* 32 CRC Calculation Unit */
|
||||
ACC_IrqHandler, /* 33 Analog Comparator */
|
||||
USBD_IrqHandler, /* 34 USB Device Port */
|
||||
Dummy_Handler /* 35 not used */
|
||||
};
|
||||
|
||||
/* TEMPORARY PATCH FOR SCB */
|
||||
#define SCB_VTOR_TBLBASE_Pos 29 /*!< SCB VTOR: TBLBASE Position */
|
||||
#define SCB_VTOR_TBLBASE_Msk (1UL << SCB_VTOR_TBLBASE_Pos) /*!< SCB VTOR: TBLBASE Mask */
|
||||
|
||||
/**
|
||||
* \brief This is the code that gets called on processor reset.
|
||||
* To initialize the device, and call the main() routine.
|
||||
*/
|
||||
void ResetException( 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 ) ;
|
||||
|
||||
if ( ((uint32_t)pSrc >= IRAM_ADDR) && ((uint32_t)pSrc < IRAM_ADDR+IRAM_SIZE) )
|
||||
{
|
||||
SCB->VTOR |= 1 << SCB_VTOR_TBLBASE_Pos ;
|
||||
}
|
||||
|
||||
/* Initialize the C library */
|
||||
__libc_init_array() ;
|
||||
|
||||
/* Branch to main function */
|
||||
main() ;
|
||||
|
||||
/* Infinite loop */
|
||||
while ( 1 ) ;
|
||||
}
|
||||
|
@ -0,0 +1,134 @@
|
||||
/*! \file *********************************************************************
|
||||
*
|
||||
* \brief Startup file for SAM3S.
|
||||
*
|
||||
* This file defines common SAM series.
|
||||
*
|
||||
* - Compiler: IAR EWARM
|
||||
* - Supported devices: All SAM3S devices can be used.
|
||||
* - AppNote:
|
||||
*
|
||||
******************************************************************************/
|
||||
|
||||
// $asf_license$
|
||||
|
||||
/*------------------------------------------------------------------------------
|
||||
* Headers
|
||||
*------------------------------------------------------------------------------*/
|
||||
|
||||
#include "exceptions.h"
|
||||
#include "sam3sd8.h"
|
||||
#include "system_sam3sd8.h"
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
* Definitions
|
||||
*----------------------------------------------------------------------------*/
|
||||
|
||||
/*------------------------------------------------------------------------------
|
||||
* Types
|
||||
*------------------------------------------------------------------------------*/
|
||||
typedef void( *intfunc )( void );
|
||||
typedef union { intfunc __fun; void * __ptr; } intvec_elem;
|
||||
|
||||
/*------------------------------------------------------------------------------
|
||||
* Prototypes
|
||||
*------------------------------------------------------------------------------*/
|
||||
extern void __iar_program_start( void ) ;
|
||||
extern int __low_level_init( void ) ;
|
||||
|
||||
/*------------------------------------------------------------------------------
|
||||
* 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 = ".intvec"
|
||||
#pragma location = ".intvec"
|
||||
const intvec_elem __vector_table[] =
|
||||
{
|
||||
{ .__ptr = __sfe( "CSTACK" ) },
|
||||
Reset_Handler,
|
||||
|
||||
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 */
|
||||
EEFC_IrqHandler, /* 6 EEFC */
|
||||
Dummy_Handler, /* 7 Reserved */
|
||||
UART0_IrqHandler, /* 8 UART0 */
|
||||
UART1_IrqHandler, /* 9 UART1 */
|
||||
SMC_IrqHandler, /* 10 SMC */
|
||||
PIOA_IrqHandler, /* 11 Parallel IO Controller A */
|
||||
PIOB_IrqHandler, /* 12 Parallel IO Controller B */
|
||||
PIOC_IrqHandler, /* 13 Parallel IO Controller C */
|
||||
USART0_IrqHandler, /* 14 USART 0 */
|
||||
USART1_IrqHandler, /* 15 USART 1 */
|
||||
Dummy_Handler, /* 16 Reserved */
|
||||
Dummy_Handler, /* 17 Reserved */
|
||||
MCI_IrqHandler, /* 18 MCI */
|
||||
TWI0_IrqHandler, /* 19 TWI 0 */
|
||||
TWI1_IrqHandler, /* 20 TWI 1 */
|
||||
SPI_IrqHandler, /* 21 SPI */
|
||||
SSC_IrqHandler, /* 22 SSC */
|
||||
TC0_IrqHandler, /* 23 Timer Counter 0 */
|
||||
TC1_IrqHandler, /* 24 Timer Counter 1 */
|
||||
TC2_IrqHandler, /* 25 Timer Counter 2 */
|
||||
TC3_IrqHandler, /* 26 Timer Counter 3 */
|
||||
TC4_IrqHandler, /* 27 Timer Counter 4 */
|
||||
TC5_IrqHandler, /* 28 Timer Counter 5 */
|
||||
ADC_IrqHandler, /* 29 ADC controller */
|
||||
DAC_IrqHandler, /* 30 DAC controller */
|
||||
PWM_IrqHandler, /* 31 PWM */
|
||||
CRCCU_IrqHandler, /* 32 CRC Calculation Unit */
|
||||
ACC_IrqHandler, /* 33 Analog Comparator */
|
||||
USBD_IrqHandler, /* 34 USB Device Port */
|
||||
Dummy_Handler /* 35 not used */
|
||||
};
|
||||
|
||||
/**------------------------------------------------------------------------------
|
||||
* This is the code that gets called on processor reset. To initialize the
|
||||
* device.
|
||||
*------------------------------------------------------------------------------*/
|
||||
extern 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 < IRAM_ADDR+IRAM_SIZE) )
|
||||
{
|
||||
SCB->VTOR |= 1 << 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.
|
||||
*------------------------------------------------------------------------------*/
|
||||
extern void Reset_Handler( void )
|
||||
{
|
||||
__iar_program_start();
|
||||
}
|
||||
|
@ -0,0 +1,188 @@
|
||||
/* ----------------------------------------------------------------------------
|
||||
* ATMEL Microcontroller Software Support
|
||||
* ----------------------------------------------------------------------------
|
||||
* Copyright (c) 2009, 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.
|
||||
* ----------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
/**
|
||||
* \file
|
||||
*
|
||||
* Provides the low-level initialization function that called on chip startup.
|
||||
*/
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
* Headers
|
||||
*----------------------------------------------------------------------------*/
|
||||
|
||||
#include "system_sam3sd8.h"
|
||||
#include "sam3sd8.h"
|
||||
#include "sam3s_ek2.h"
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
* Local definitions
|
||||
*----------------------------------------------------------------------------*/
|
||||
|
||||
/* Clock settings at 48MHz */
|
||||
#if (BOARD_MCK == 48000000)
|
||||
#define BOARD_OSCOUNT (CKGR_MOR_MOSCXTST(0x8))
|
||||
#define BOARD_PLLAR (CKGR_PLLAR_STUCKTO1 \
|
||||
| CKGR_PLLAR_MULA(0x7) \
|
||||
| CKGR_PLLAR_PLLACOUNT(0x3f) \
|
||||
| CKGR_PLLAR_DIVA(0x1))
|
||||
#define BOARD_MCKR (PMC_MCKR_PRES_CLK_2 | PMC_MCKR_CSS_PLLA_CLK)
|
||||
|
||||
/* Clock settings at 64MHz */
|
||||
#elif (BOARD_MCK == 64000000)
|
||||
#define BOARD_OSCOUNT (CKGR_MOR_MOSCXTST(0x8))
|
||||
#define BOARD_PLLAR (CKGR_PLLAR_STUCKTO1 \
|
||||
| CKGR_PLLAR_MULA(0xf) \
|
||||
| CKGR_PLLAR_PLLACOUNT(0x3f) \
|
||||
| CKGR_PLLAR_DIVA(0x3))
|
||||
#define BOARD_MCKR (PMC_MCKR_PRES_CLK | PMC_MCKR_CSS_PLLA_CLK)
|
||||
|
||||
#else
|
||||
#error "No settings for current BOARD_MCK."
|
||||
#endif
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
Define clocks
|
||||
*----------------------------------------------------------------------------*/
|
||||
#define XTAL32 ( 32768UL) /* 32k crystal frequency */
|
||||
#define OSC32_CLK ( XTAL32) /* 32k oscillator frequency */
|
||||
#define ERC_OSC ( 32000UL) /* Embedded RC oscillator freqquency */
|
||||
#define EFRC_OSC ( 4000000UL) /* Embedded fast RC oscillator freq */
|
||||
|
||||
uint32_t SystemCoreClock = 4000000; // FIXME: default mainck should be generated by sock!!!
|
||||
|
||||
/**
|
||||
* Initialize the system
|
||||
*
|
||||
* @param none
|
||||
* @return none
|
||||
*
|
||||
* @brief Setup the microcontroller system.
|
||||
* Initialize the System and update the SystemFrequency variable.
|
||||
*/
|
||||
extern void SystemInit( void )
|
||||
{
|
||||
/* Set 3 FWS for Embedded Flash Access */
|
||||
EFC->EEFC_FMR = EEFC_FMR_FWS(3);
|
||||
|
||||
/* Initialize main oscillator */
|
||||
if ( !(PMC->CKGR_MOR & CKGR_MOR_MOSCSEL) )
|
||||
{
|
||||
PMC->CKGR_MOR = CKGR_MOR_KEY(0x37) | BOARD_OSCOUNT | CKGR_MOR_MOSCRCEN | CKGR_MOR_MOSCXTEN;
|
||||
while (!(PMC->PMC_SR & PMC_SR_MOSCXTS));
|
||||
}
|
||||
|
||||
/* Switch to 3-20MHz Xtal oscillator */
|
||||
PMC->CKGR_MOR = CKGR_MOR_KEY(0x37) | BOARD_OSCOUNT | CKGR_MOR_MOSCRCEN | CKGR_MOR_MOSCXTEN | CKGR_MOR_MOSCSEL;
|
||||
|
||||
while (!(PMC->PMC_SR & PMC_SR_MOSCSELS));
|
||||
PMC->PMC_MCKR = (PMC->PMC_MCKR & ~(uint32_t)PMC_MCKR_CSS_Msk) | PMC_MCKR_CSS_MAIN_CLK;
|
||||
while (!(PMC->PMC_SR & PMC_SR_MCKRDY));
|
||||
|
||||
/* Initialize PLLA */
|
||||
PMC->CKGR_PLLAR = BOARD_PLLAR;
|
||||
while (!(PMC->PMC_SR & PMC_SR_LOCKA));
|
||||
|
||||
/* Switch to main clock */
|
||||
PMC->PMC_MCKR = (BOARD_MCKR & ~PMC_MCKR_CSS_Msk) | PMC_MCKR_CSS_MAIN_CLK;
|
||||
while (!(PMC->PMC_SR & PMC_SR_MCKRDY));
|
||||
|
||||
/* Switch to PLLA */
|
||||
PMC->PMC_MCKR = BOARD_MCKR ;
|
||||
while (!(PMC->PMC_SR & PMC_SR_MCKRDY));
|
||||
|
||||
SystemCoreClock = BOARD_MCK;
|
||||
}
|
||||
|
||||
extern void SystemCoreClockUpdate( void )
|
||||
{
|
||||
/* Determine clock frequency according to clock register values */
|
||||
switch (PMC->PMC_MCKR & PMC_MCKR_CSS_Msk) {
|
||||
case PMC_MCKR_CSS_SLOW_CLK: /* Slow clock */
|
||||
if (SUPC->SUPC_SR & SUPC_SR_OSCSEL)
|
||||
SystemCoreClock = OSC32_CLK;
|
||||
else
|
||||
SystemCoreClock = ERC_OSC;
|
||||
break;
|
||||
case PMC_MCKR_CSS_MAIN_CLK: /* Main clock */
|
||||
if (PMC->CKGR_MOR & CKGR_MOR_MOSCSEL)
|
||||
SystemCoreClock = BOARD_OSC_MAINCK_XTAL_HZ;
|
||||
else {
|
||||
SystemCoreClock = EFRC_OSC;
|
||||
|
||||
switch (PMC->CKGR_MOR & CKGR_MOR_MOSCRCF_Msk) {
|
||||
case CKGR_MOR_MOSCRCF_4MHz:
|
||||
break;
|
||||
case CKGR_MOR_MOSCRCF_8MHz:
|
||||
SystemCoreClock *= 2;
|
||||
break;
|
||||
case CKGR_MOR_MOSCRCF_12MHz:
|
||||
SystemCoreClock *= 3;
|
||||
break;
|
||||
case 3:
|
||||
break;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case PMC_MCKR_CSS_PLLA_CLK: /* PLLA clock */
|
||||
case PMC_MCKR_CSS_PLLB_CLK: /* PLLB clock */
|
||||
if (PMC->CKGR_MOR & CKGR_MOR_MOSCSEL)
|
||||
SystemCoreClock = BOARD_OSC_MAINCK_XTAL_HZ;
|
||||
else {
|
||||
SystemCoreClock = EFRC_OSC;
|
||||
|
||||
switch (PMC->CKGR_MOR & CKGR_MOR_MOSCRCF_Msk) {
|
||||
case CKGR_MOR_MOSCRCF_4MHz:
|
||||
break;
|
||||
case CKGR_MOR_MOSCRCF_8MHz:
|
||||
SystemCoreClock *= 2;
|
||||
break;
|
||||
case CKGR_MOR_MOSCRCF_12MHz:
|
||||
SystemCoreClock *= 3;
|
||||
break;
|
||||
case 3:
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (PMC->PMC_MCKR & PMC_MCKR_CSS_Msk == PMC_MCKR_CSS_PLLA_CLK) {
|
||||
SystemCoreClock *= ((((PMC->CKGR_PLLAR) >> CKGR_PLLAR_MULA_Pos) & 0x7FF) + 1);
|
||||
SystemCoreClock /= ((((PMC->CKGR_PLLAR) >> CKGR_PLLAR_DIVA_Pos) & 0x0FF));
|
||||
}
|
||||
else {
|
||||
SystemCoreClock *= ((((PMC->CKGR_PLLBR) >> CKGR_PLLBR_MULB_Pos) & 0x7FF) + 1);
|
||||
SystemCoreClock /= ((((PMC->CKGR_PLLBR) >> CKGR_PLLBR_DIVB_Pos) & 0x0FF));
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
if ((PMC->PMC_MCKR & PMC_MCKR_PRES_Msk) == PMC_MCKR_PRES_CLK_3)
|
||||
SystemCoreClock /= 3;
|
||||
else
|
||||
SystemCoreClock >>= ((PMC->PMC_MCKR & PMC_MCKR_PRES_Msk) >> PMC_MCKR_PRES_Pos);
|
||||
}
|
@ -0,0 +1,53 @@
|
||||
/*! \file *********************************************************************
|
||||
*
|
||||
* \brief CMSIS Cortex-M# Device Peripheral Access Layer Header File
|
||||
* for SAM3 devices.
|
||||
*
|
||||
* \par Purpose
|
||||
*
|
||||
* This file provides basic support for Cortex-M processor based
|
||||
* microcontrollers.
|
||||
*
|
||||
* \author Atmel Corporation: http://www.atmel.com \n
|
||||
* Support and FAQ: http://support.atmel.no/
|
||||
*
|
||||
******************************************************************************/
|
||||
|
||||
/* $asf_license$ */
|
||||
|
||||
#ifndef __SYSTEM_SAM3SD8_
|
||||
#define __SYSTEM_SAM3SD8_
|
||||
|
||||
/* @cond 0 */
|
||||
/**INDENT-OFF**/
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
/**INDENT-ON**/
|
||||
/* @endcond */
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
extern uint32_t SystemCoreClock; /* System Clock Frequency (Core Clock) */
|
||||
|
||||
/**
|
||||
* @brief Setup the microcontroller system.
|
||||
* Initialize the System and update the SystemCoreClock variable.
|
||||
*/
|
||||
extern void SystemInit (void);
|
||||
|
||||
/**
|
||||
* @brief Updates the SystemCoreClock with current core Clock
|
||||
* retrieved from cpu registers.
|
||||
*/
|
||||
extern void SystemCoreClockUpdate (void);
|
||||
|
||||
/* @cond 0 */
|
||||
/**INDENT-OFF**/
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
/**INDENT-ON**/
|
||||
/* @endcond */
|
||||
|
||||
#endif /* __SYSTEM_SAM3SD8_ */
|
Reference in New Issue
Block a user