1 |
580 |
jeremybenn |
/* ----------------------------------------------------------------------------
|
2 |
|
|
* ATMEL Microcontroller Software Support
|
3 |
|
|
* ----------------------------------------------------------------------------
|
4 |
|
|
* Copyright (c) 2008, Atmel Corporation
|
5 |
|
|
*
|
6 |
|
|
* All rights reserved.
|
7 |
|
|
*
|
8 |
|
|
* Redistribution and use in source and binary forms, with or without
|
9 |
|
|
* modification, are permitted provided that the following conditions are met:
|
10 |
|
|
*
|
11 |
|
|
* - Redistributions of source code must retain the above copyright notice,
|
12 |
|
|
* this list of conditions and the disclaimer below.
|
13 |
|
|
*
|
14 |
|
|
* Atmel's name may not be used to endorse or promote products derived from
|
15 |
|
|
* this software without specific prior written permission.
|
16 |
|
|
*
|
17 |
|
|
* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
|
18 |
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
19 |
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
|
20 |
|
|
* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
|
21 |
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
22 |
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
|
23 |
|
|
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
24 |
|
|
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
25 |
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
|
26 |
|
|
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
27 |
|
|
* ----------------------------------------------------------------------------
|
28 |
|
|
*/
|
29 |
|
|
|
30 |
|
|
//------------------------------------------------------------------------------
|
31 |
|
|
// Headers
|
32 |
|
|
//------------------------------------------------------------------------------
|
33 |
|
|
#include "board.h"
|
34 |
|
|
#include "exceptions.h"
|
35 |
|
|
#include "board_lowlevel.h"
|
36 |
|
|
|
37 |
|
|
//------------------------------------------------------------------------------
|
38 |
|
|
// Types
|
39 |
|
|
//------------------------------------------------------------------------------
|
40 |
|
|
typedef union { IntFunc __fun; void * __ptr; } IntVector;
|
41 |
|
|
|
42 |
|
|
//------------------------------------------------------------------------------
|
43 |
|
|
// ProtoTypes
|
44 |
|
|
//------------------------------------------------------------------------------
|
45 |
|
|
|
46 |
|
|
extern void __iar_program_start( void );
|
47 |
|
|
extern void xPortPendSVHandler(void);
|
48 |
|
|
extern void xPortSysTickHandler(void);
|
49 |
|
|
extern void vPortSVCHandler(void);
|
50 |
|
|
extern void vSerialISR( void );
|
51 |
|
|
|
52 |
|
|
int __low_level_init( void );
|
53 |
|
|
|
54 |
|
|
//------------------------------------------------------------------------------
|
55 |
|
|
// Variables
|
56 |
|
|
//------------------------------------------------------------------------------
|
57 |
|
|
extern unsigned int __ICFEDIT_vector_start__;
|
58 |
|
|
|
59 |
|
|
//------------------------------------------------------------------------------
|
60 |
|
|
// Exception Table
|
61 |
|
|
//------------------------------------------------------------------------------
|
62 |
|
|
|
63 |
|
|
#pragma language=extended
|
64 |
|
|
#pragma segment="CSTACK"
|
65 |
|
|
|
66 |
|
|
// The name "__vector_table" has special meaning for C-SPY:
|
67 |
|
|
// it is where the SP start value is found, and the NVIC vector
|
68 |
|
|
// table register (VTOR) is initialized to this address if != 0.
|
69 |
|
|
|
70 |
|
|
#pragma section = ".vectors"
|
71 |
|
|
#pragma location = ".vectors"
|
72 |
|
|
const IntVector __vector_table[] =
|
73 |
|
|
{
|
74 |
|
|
{ .__ptr = __sfe( "CSTACK" ) },
|
75 |
|
|
__iar_program_start,
|
76 |
|
|
|
77 |
|
|
NMI_Handler,
|
78 |
|
|
HardFault_Handler,
|
79 |
|
|
MemManage_Handler,
|
80 |
|
|
BusFault_Handler,
|
81 |
|
|
UsageFault_Handler,
|
82 |
|
|
0, 0, 0, 0, // Reserved
|
83 |
|
|
vPortSVCHandler, // SVCall handler
|
84 |
|
|
DebugMon_Handler,
|
85 |
|
|
0, // Reserved
|
86 |
|
|
xPortPendSVHandler, // The PendSV handler
|
87 |
|
|
xPortSysTickHandler, // The SysTick handler
|
88 |
|
|
|
89 |
|
|
// Configurable interrupts
|
90 |
|
|
SUPC_IrqHandler, // 0 SUPPLY CONTROLLER
|
91 |
|
|
RSTC_IrqHandler, // 1 RESET CONTROLLER
|
92 |
|
|
RTC_IrqHandler, // 2 REAL TIME CLOCK
|
93 |
|
|
RTT_IrqHandler, // 3 REAL TIME TIMER
|
94 |
|
|
WDT_IrqHandler, // 4 WATCHDOG TIMER
|
95 |
|
|
PMC_IrqHandler, // 5 PMC
|
96 |
|
|
EFC0_IrqHandler, // 6 EFC0
|
97 |
|
|
EFC1_IrqHandler, // 7 EFC1
|
98 |
|
|
DBGU_IrqHandler, // 8 DBGU
|
99 |
|
|
HSMC4_IrqHandler, // 9 HSMC4
|
100 |
|
|
PIOA_IrqHandler, // 10 Parallel IO Controller A
|
101 |
|
|
PIOB_IrqHandler, // 11 Parallel IO Controller B
|
102 |
|
|
PIOC_IrqHandler, // 12 Parallel IO Controller C
|
103 |
|
|
USART0_IrqHandler, // 13 USART 0
|
104 |
|
|
vSerialISR, // 14 USART 1
|
105 |
|
|
USART2_IrqHandler, // 15 USART 2
|
106 |
|
|
USART3_IrqHandler, // 16 USART 3
|
107 |
|
|
MCI0_IrqHandler, // 17 Multimedia Card Interface
|
108 |
|
|
TWI0_IrqHandler, // 18 TWI 0
|
109 |
|
|
TWI1_IrqHandler, // 19 TWI 1
|
110 |
|
|
SPI0_IrqHandler, // 20 Serial Peripheral Interface
|
111 |
|
|
SSC0_IrqHandler, // 21 Serial Synchronous Controller 0
|
112 |
|
|
TC0_IrqHandler, // 22 Timer Counter 0
|
113 |
|
|
TC1_IrqHandler, // 23 Timer Counter 1
|
114 |
|
|
TC2_IrqHandler, // 24 Timer Counter 2
|
115 |
|
|
PWM_IrqHandler, // 25 Pulse Width Modulation Controller
|
116 |
|
|
ADCC0_IrqHandler, // 26 ADC controller0
|
117 |
|
|
ADCC1_IrqHandler, // 27 ADC controller1
|
118 |
|
|
HDMA_IrqHandler, // 28 HDMA
|
119 |
|
|
UDPD_IrqHandler, // 29 USB Device High Speed UDP_HS
|
120 |
|
|
IrqHandlerNotUsed // 30 not used
|
121 |
|
|
};
|
122 |
|
|
|
123 |
|
|
//------------------------------------------------------------------------------
|
124 |
|
|
// Exported functions
|
125 |
|
|
//------------------------------------------------------------------------------
|
126 |
|
|
|
127 |
|
|
//------------------------------------------------------------------------------
|
128 |
|
|
/// This is the code that gets called on processor reset. To initialize the
|
129 |
|
|
/// device.
|
130 |
|
|
//------------------------------------------------------------------------------
|
131 |
|
|
int __low_level_init( void )
|
132 |
|
|
{
|
133 |
|
|
unsigned int * src = __section_begin(".vectors");
|
134 |
|
|
|
135 |
|
|
LowLevelInit();
|
136 |
|
|
|
137 |
|
|
AT91C_BASE_NVIC->NVIC_VTOFFR = ((unsigned int)(src)) | (0x0 << 7);
|
138 |
|
|
|
139 |
|
|
return 1; // if return 0, the data sections will not be initialized.
|
140 |
|
|
}
|