📄 pio_it.lst
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###############################################################################
# #
# 25/May/2009 02:53:23 #
# IAR ANSI C/C++ Compiler V5.20.0.20892/W32 EVALUATION for ARM #
# Copyright 1999-2008 IAR Systems AB. #
# #
# Cpu mode = arm #
# Endian = little #
# Source file = F:\Diplomovka\IARprojects\Diplomovka\25.4.2009\getting-s #
# tarted-project-at91sam7x-ek-iar\getting-started-project- #
# at91sam7x-ek\at91lib\peripherals\pio\pio_it.c #
# Command line = F:\Diplomovka\IARprojects\Diplomovka\25.4.2009\getting-s #
# tarted-project-at91sam7x-ek-iar\getting-started-project- #
# at91sam7x-ek\at91lib\peripherals\pio\pio_it.c -D #
# at91sam7x256 -D flash -D TRACE_LEVEL=4 -lC #
# F:\Diplomovka\IARprojects\Diplomovka\25.4.2009\getting-s #
# tarted-project-at91sam7x-ek-iar\getting-started-project- #
# at91sam7x-ek\at91sam7x-ek\getting-started-project\ewp\at #
# 91sam7x256_flash\List\ --remarks --diag_suppress #
# Pe826,Pe1375 -o F:\Diplomovka\IARprojects\Diplomovka\25. #
# 4.2009\getting-started-project-at91sam7x-ek-iar\getting- #
# started-project-at91sam7x-ek\at91sam7x-ek\getting-starte #
# d-project\ewp\at91sam7x256_flash\Obj\ --no_cse #
# --no_unroll --no_inline --no_code_motion --no_tbaa #
# --no_clustering --no_scheduling --debug --endian=little #
# --cpu=ARM7TDMI -e --fpu=None --dlib_config "C:\Program #
# Files (x86)\IAR Systems\Embedded Workbench 5.0 #
# Evaluation\ARM\INC\DLib_Config_Full.h" -I #
# F:\Diplomovka\IARprojects\Diplomovka\25.4.2009\getting-s #
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# at91sam7x-ek\at91sam7x-ek\getting-started-project\ewp\.. #
# \..\..\at91lib/peripherals\ -I #
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# 25.4.2009\getting-started-project-at91sam7x-ek-iar\getti #
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# rted-project\ewp\..\..\..\at91lib\memories\sdmmc\ -I #
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# at91sam7x-ek\at91sam7x-ek\getting-started-project\ewp\.. #
# \..\..\at91lib/boards/at91sam7x-ek\ -I #
# F:\Diplomovka\IARprojects\Diplomovka\25.4.2009\getting-s #
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# \..\..\external_libs/crc\ -I "C:\Program Files #
# (x86)\IAR Systems\Embedded Workbench 5.0 #
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# List file = F:\Diplomovka\IARprojects\Diplomovka\25.4.2009\getting-s #
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# 91sam7x256_flash\List\pio_it.lst #
# Object file = F:\Diplomovka\IARprojects\Diplomovka\25.4.2009\getting-s #
# tarted-project-at91sam7x-ek-iar\getting-started-project- #
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# 91sam7x256_flash\Obj\pio_it.o #
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F:\Diplomovka\IARprojects\Diplomovka\25.4.2009\getting-started-project-at91sam7x-ek-iar\getting-started-project-at91sam7x-ek\at91lib\peripherals\pio\pio_it.c
1 /* ----------------------------------------------------------------------------
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 /// Disable traces for this file
31 #undef TRACE_LEVEL
32 #define TRACE_LEVEL 0
33
34 //------------------------------------------------------------------------------
35 // Headers
36 //------------------------------------------------------------------------------
37
38 #include "pio_it.h"
39 #include "pio.h"
40 #include <board.h>
41 #include <aic/aic.h>
42 #include <utility/assert.h>
#if (TRACE_LEVEL==0) && (DYNTRACE==0)
^
"F:\Diplomovka\IARprojects\Diplomovka\25.4.2009\getting-started-project-at91sam7x-ek-iar\getting-started-project-at91sam7x-ek\at91lib\utility\trace.h",134 Remark[Pe193]:
zero used for undefined preprocessing identifier
43 #include <utility/trace.h>
44
45 //------------------------------------------------------------------------------
46 // Local definitions
47 //------------------------------------------------------------------------------
48
49 /// \exclude
50 /// Maximum number of interrupt sources that can be defined. This
51 /// constant can be increased, but the current value is the smallest possible
52 /// that will be compatible with all existing projects.
53 #define MAX_INTERRUPT_SOURCES 7
54
55 //------------------------------------------------------------------------------
56 // Local types
57 //------------------------------------------------------------------------------
58
59 //------------------------------------------------------------------------------
60 /// \exclude
61 /// Describes a PIO interrupt source, including the PIO instance triggering the
62 /// interrupt and the associated interrupt handler.
63 //------------------------------------------------------------------------------
64 typedef struct {
65
66 /// Pointer to the source pin instance.
67 const Pin *pPin;
68
69 /// Interrupt handler.
70 void (*handler)(const Pin *);
71
72 } InterruptSource;
73
74 //------------------------------------------------------------------------------
75 // Local variables
76 //------------------------------------------------------------------------------
77
78 /// List of interrupt sources.
\ In section .bss, align 4
79 static InterruptSource pSources[MAX_INTERRUPT_SOURCES];
\ pSources:
\ 00000000 DS8 56
80
81 /// Number of currently defined interrupt sources.
\ In section .bss, align 4
82 static unsigned int numSources;
\ numSources:
\ 00000000 DS8 4
83
84 //------------------------------------------------------------------------------
85 // Local functions
86 //------------------------------------------------------------------------------
87
88 //------------------------------------------------------------------------------
89 /// Handles all interrupts on the given PIO controller.
90 /// \param id PIO controller ID.
91 /// \param pPio PIO controller base address.
92 //------------------------------------------------------------------------------
\ In section .text, align 4, keep-with-next
93 static void PioInterruptHandler(unsigned int id, AT91S_PIO *pPio)
94 {
\ PioInterruptHandler:
\ 00000000 F8402DE9 PUSH {R3-R7,LR}
\ 00000004 0040A0E1 MOV R4,R0
95 unsigned int status;
96 unsigned int i;
97
98 // Read PIO controller status
99 status = pPio->PIO_ISR;
\ 00000008 4C0091E5 LDR R0,[R1, #+76]
100 status &= pPio->PIO_IMR;
\ 0000000C 481091E5 LDR R1,[R1, #+72]
\ 00000010 005011E0 ANDS R5,R1,R0
101
102 // Check pending events
103 if (status != 0) {
\ 00000014 1900000A BEQ ??PioInterruptHandler_0
104
105 TRACE_DEBUG("PIO interrupt on PIO controller #%d\n\r", id);
106
107 // Find triggering source
108 i = 0;
\ 00000018 0060A0E3 MOV R6,#+0
\ 0000001C ........ LDR R7,??DataTable9 ;; pSources
109 while (status != 0) {
110
111 // There cannot be an unconfigured source enabled.
112 SANITY_CHECK(i < numSources);
\ ??PioInterruptHandler_1:
\ 00000020 ........ LDR R0,??DataTable10 ;; numSources
\ 00000024 000090E5 LDR R0,[R0, #+0]
\ 00000028 000056E1 CMP R6,R0
\ 0000002C 0000003A BCC ??PioInterruptHandler_2
\ ??PioInterruptHandler_3:
\ 00000030 FEFFFFEA B ??PioInterruptHandler_3
113
114 // Source is configured on the same controller
115 if (pSources[i].pPin->id == id) {
\ ??PioInterruptHandler_2:
\ 00000034 000097E5 LDR R0,[R7, #+0]
\ 00000038 0800D0E5 LDRB R0,[R0, #+8]
\ 0000003C 040050E1 CMP R0,R4
\ 00000040 0A00001A BNE ??PioInterruptHandler_4
116
117 // Source has PIOs whose statuses have changed
118 if ((status & pSources[i].pPin->mask) != 0) {
\ 00000044 000097E5 LDR R0,[R7, #+0]
\ 00000048 000090E5 LDR R0,[R0, #+0]
\ 0000004C 050010E1 TST R0,R5
\ 00000050 0600000A BEQ ??PioInterruptHandler_4
119
120 TRACE_DEBUG("Interrupt source #%d triggered\n\r", i);
121
122 pSources[i].handler(pSources[i].pPin);
\ 00000054 000097E5 LDR R0,[R7, #+0]
\ 00000058 041097E5 LDR R1,[R7, #+4]
\ 0000005C 0FE0A0E1 MOV LR,PC
\ 00000060 11FF2FE1 BX R1
123 status &= ~(pSources[i].pPin->mask);
\ 00000064 000097E5 LDR R0,[R7, #+0]
\ 00000068 000090E5 LDR R0,[R0, #+0]
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