[ADD] interrupt setting enums
This commit is contained in:
Sem van der Hoeven
@@ -3,29 +3,29 @@ ultrasonicSensor.elf: file format elf32-avr
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Sections:
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Idx Name Size VMA LMA File off Algn
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0 .data 00000000 00800100 00800100 00000166 2**0
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0 .data 00000002 00800100 0000017c 000001f0 2**0
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CONTENTS, ALLOC, LOAD, DATA
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1 .text 00000112 00000000 00000000 00000054 2**1
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1 .text 0000017c 00000000 00000000 00000074 2**1
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CONTENTS, ALLOC, LOAD, READONLY, CODE
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2 .comment 00000030 00000000 00000000 00000166 2**0
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2 .comment 00000030 00000000 00000000 000001f2 2**0
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CONTENTS, READONLY
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3 .note.gnu.avr.deviceinfo 0000003c 00000000 00000000 00000198 2**2
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3 .note.gnu.avr.deviceinfo 0000003c 00000000 00000000 00000224 2**2
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CONTENTS, READONLY
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4 .debug_aranges 00000030 00000000 00000000 000001d4 2**0
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4 .debug_aranges 00000040 00000000 00000000 00000260 2**0
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CONTENTS, READONLY, DEBUGGING
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5 .debug_info 000009ad 00000000 00000000 00000204 2**0
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5 .debug_info 00000a15 00000000 00000000 000002a0 2**0
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CONTENTS, READONLY, DEBUGGING
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6 .debug_abbrev 0000084e 00000000 00000000 00000bb1 2**0
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6 .debug_abbrev 000008a7 00000000 00000000 00000cb5 2**0
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CONTENTS, READONLY, DEBUGGING
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7 .debug_line 0000030d 00000000 00000000 000013ff 2**0
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7 .debug_line 00000384 00000000 00000000 0000155c 2**0
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CONTENTS, READONLY, DEBUGGING
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8 .debug_frame 00000044 00000000 00000000 0000170c 2**2
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8 .debug_frame 00000080 00000000 00000000 000018e0 2**2
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CONTENTS, READONLY, DEBUGGING
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9 .debug_str 0000043a 00000000 00000000 00001750 2**0
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9 .debug_str 00000498 00000000 00000000 00001960 2**0
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CONTENTS, READONLY, DEBUGGING
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10 .debug_loc 000000d2 00000000 00000000 00001b8a 2**0
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10 .debug_loc 0000013d 00000000 00000000 00001df8 2**0
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CONTENTS, READONLY, DEBUGGING
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11 .debug_ranges 00000020 00000000 00000000 00001c5c 2**0
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11 .debug_ranges 00000030 00000000 00000000 00001f35 2**0
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CONTENTS, READONLY, DEBUGGING
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Disassembly of section .text:
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@@ -33,7 +33,7 @@ Disassembly of section .text:
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00000000 <__vectors>:
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0: 45 c0 rjmp .+138 ; 0x8c <__ctors_end>
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2: 00 00 nop
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4: 58 c0 rjmp .+176 ; 0xb6 <__bad_interrupt>
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4: 82 c0 rjmp .+260 ; 0x10a <__vector_1>
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6: 00 00 nop
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8: 56 c0 rjmp .+172 ; 0xb6 <__bad_interrupt>
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a: 00 00 nop
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@@ -114,25 +114,25 @@ Disassembly of section .text:
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98: 11 e0 ldi r17, 0x01 ; 1
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9a: a0 e0 ldi r26, 0x00 ; 0
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9c: b1 e0 ldi r27, 0x01 ; 1
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9e: e2 e1 ldi r30, 0x12 ; 18
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9e: ec e7 ldi r30, 0x7C ; 124
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a0: f1 e0 ldi r31, 0x01 ; 1
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a2: 00 e0 ldi r16, 0x00 ; 0
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a4: 0b bf out 0x3b, r16 ; 59
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a6: 02 c0 rjmp .+4 ; 0xac <__do_copy_data+0x14>
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a8: 07 90 elpm r0, Z+
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aa: 0d 92 st X+, r0
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ac: a0 30 cpi r26, 0x00 ; 0
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ac: a2 30 cpi r26, 0x02 ; 2
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ae: b1 07 cpc r27, r17
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b0: d9 f7 brne .-10 ; 0xa8 <__do_copy_data+0x10>
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b2: 1e d0 rcall .+60 ; 0xf0 <main>
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b4: 2c c0 rjmp .+88 ; 0x10e <_exit>
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b2: 47 d0 rcall .+142 ; 0x142 <main>
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b4: 61 c0 rjmp .+194 ; 0x178 <_exit>
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000000b6 <__bad_interrupt>:
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b6: a4 cf rjmp .-184 ; 0x0 <__vectors>
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000000b8 <wait_us>:
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#include "lcd_control.h"
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static enum interrupt_status int_stat = INTERRUPT_RISING;
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void wait_us(unsigned int us)
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{
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@@ -193,39 +193,133 @@ void wait_ms(unsigned int ms)
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}
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ee: 08 95 ret
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000000f0 <main>:
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000000f0 <ultrasonic_send_pulse>:
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void ultrasonic_send_pulse()
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{
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f0: cf 93 push r28
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f2: df 93 push r29
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PORTG = 0x00; // 10 us low pulse
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f4: c5 e6 ldi r28, 0x65 ; 101
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f6: d0 e0 ldi r29, 0x00 ; 0
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f8: 18 82 st Y, r1
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wait_us(10);
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fa: 8a e0 ldi r24, 0x0A ; 10
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fc: 90 e0 ldi r25, 0x00 ; 0
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fe: dc df rcall .-72 ; 0xb8 <wait_us>
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PORTG = 0x01;
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100: 81 e0 ldi r24, 0x01 ; 1
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102: 88 83 st Y, r24
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}
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104: df 91 pop r29
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106: cf 91 pop r28
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108: 08 95 ret
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0000010a <__vector_1>:
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ISR(INT0_vect)
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{
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10a: 1f 92 push r1
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10c: 0f 92 push r0
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10e: 0f b6 in r0, 0x3f ; 63
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110: 0f 92 push r0
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112: 11 24 eor r1, r1
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114: 8f 93 push r24
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// if the interrupt was generated on a rising edge (start sending echo)
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if (int_stat == INTERRUPT_RISING)
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116: 80 91 00 01 lds r24, 0x0100 ; 0x800100 <__DATA_REGION_ORIGIN__>
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11a: 81 30 cpi r24, 0x01 ; 1
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11c: 31 f4 brne .+12 ; 0x12a <__vector_1+0x20>
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{
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// set interrupt pin 0 on PORTD to falling edge
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EICRA = 0x02;
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11e: 82 e0 ldi r24, 0x02 ; 2
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120: 80 93 6a 00 sts 0x006A, r24 ; 0x80006a <__TEXT_REGION_LENGTH__+0x7e006a>
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// set interrupt status
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int_stat = INTERRUPT_FALLING;
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124: 10 92 00 01 sts 0x0100, r1 ; 0x800100 <__DATA_REGION_ORIGIN__>
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128: 06 c0 rjmp .+12 ; 0x136 <__vector_1+0x2c>
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} else
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// else if it was generated on a falling edge (end sending echo)
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{
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// set interrupt pin 0 on PORTD to rising edge
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EICRA = 0x03;
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12a: 83 e0 ldi r24, 0x03 ; 3
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12c: 80 93 6a 00 sts 0x006A, r24 ; 0x80006a <__TEXT_REGION_LENGTH__+0x7e006a>
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// set interrupt status
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int_stat = INTERRUPT_RISING;
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130: 81 e0 ldi r24, 0x01 ; 1
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132: 80 93 00 01 sts 0x0100, r24 ; 0x800100 <__DATA_REGION_ORIGIN__>
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}
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}
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136: 8f 91 pop r24
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138: 0f 90 pop r0
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13a: 0f be out 0x3f, r0 ; 63
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13c: 0f 90 pop r0
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13e: 1f 90 pop r1
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140: 18 95 reti
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00000142 <main>:
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int main(void)
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{
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DDRG = 0x01; // port g pin 0 on output, 1 on input. 0 is trig, 1 is echo
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f0: 81 e0 ldi r24, 0x01 ; 1
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f2: 80 93 64 00 sts 0x0064, r24 ; 0x800064 <__TEXT_REGION_LENGTH__+0x7e0064>
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DDRG = 0xFF; // port g all output. pin 0 is trig, the rest is for debug
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142: 8f ef ldi r24, 0xFF ; 255
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144: 80 93 64 00 sts 0x0064, r24 ; 0x800064 <__TEXT_REGION_LENGTH__+0x7e0064>
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DDRD = 0x00; // port D pin 0 on input. 0 is echo and also interrupt
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148: 11 ba out 0x11, r1 ; 17
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DDRA = 0xFF;
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14a: 8a bb out 0x1a, r24 ; 26
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EICRA |= 0x03; // interrupt PORTD on pin 0, rising edge
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14c: ea e6 ldi r30, 0x6A ; 106
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14e: f0 e0 ldi r31, 0x00 ; 0
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150: 80 81 ld r24, Z
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152: 83 60 ori r24, 0x03 ; 3
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154: 80 83 st Z, r24
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EIMSK |= 0x01; // enable interrupt on pin 0 (INT0)
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156: 89 b7 in r24, 0x39 ; 57
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158: 81 60 ori r24, 0x01 ; 1
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15a: 89 bf out 0x39, r24 ; 57
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sei(); // turn on interrupt system
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15c: 78 94 sei
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/* Replace with your application code */
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while (1)
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{
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PORTG = 0x00; // 10 us low pulse
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f6: c5 e6 ldi r28, 0x65 ; 101
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f8: d0 e0 ldi r29, 0x00 ; 0
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fa: 18 82 st Y, r1
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wait_us(10);
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fc: 8a e0 ldi r24, 0x0A ; 10
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fe: 90 e0 ldi r25, 0x00 ; 0
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100: db df rcall .-74 ; 0xb8 <wait_us>
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PORTG = 0x01;
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102: 81 e0 ldi r24, 0x01 ; 1
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104: 88 83 st Y, r24
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ultrasonic_send_pulse();
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15e: c8 df rcall .-112 ; 0xf0 <ultrasonic_send_pulse>
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if (int_stat == INTERRUPT_FALLING)
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160: 80 91 00 01 lds r24, 0x0100 ; 0x800100 <__DATA_REGION_ORIGIN__>
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164: 81 11 cpse r24, r1
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166: 03 c0 rjmp .+6 ; 0x16e <main+0x2c>
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{
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PORTA = 0xFF;
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168: 8f ef ldi r24, 0xFF ; 255
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16a: 8b bb out 0x1b, r24 ; 27
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16c: 01 c0 rjmp .+2 ; 0x170 <main+0x2e>
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} else {
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PORTA = 0x00;
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16e: 1b ba out 0x1b, r1 ; 27
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}
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wait_ms(100);
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106: 84 e6 ldi r24, 0x64 ; 100
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108: 90 e0 ldi r25, 0x00 ; 0
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10a: e3 df rcall .-58 ; 0xd2 <wait_ms>
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10c: f4 cf rjmp .-24 ; 0xf6 <main+0x6>
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wait_ms(1000);
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170: 88 ee ldi r24, 0xE8 ; 232
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172: 93 e0 ldi r25, 0x03 ; 3
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174: ae df rcall .-164 ; 0xd2 <wait_ms>
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}
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176: f3 cf rjmp .-26 ; 0x15e <main+0x1c>
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0000010e <_exit>:
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10e: f8 94 cli
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00000178 <_exit>:
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178: f8 94 cli
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00000110 <__stop_program>:
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110: ff cf rjmp .-2 ; 0x110 <__stop_program>
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0000017a <__stop_program>:
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17a: ff cf rjmp .-2 ; 0x17a <__stop_program>
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@@ -1,5 +1,5 @@
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S0180000756C747261736F6E696353656E736F722E737265634E
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S113000045C0000058C0000056C0000054C00000A5
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S113000045C0000082C0000056C0000054C000007B
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S113001052C0000050C000004EC000004CC00000A0
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S11300204AC0000048C0000046C0000044C00000B0
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S113003042C0000040C000003EC000003CC00000C0
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@@ -8,13 +8,20 @@ S113005032C0000030C000002EC000002CC00000E0
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S11300602AC0000028C0000026C0000024C00000F0
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S113007022C0000020C000001EC000001CC0000000
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S11300801AC0000018C0000016C0000011241FBED2
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S1130090CFEFD0E1DEBFCDBF11E0A0E0B1E0E2E1FF
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S11300A0F1E000E00BBF02C007900D92A030B10751
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S11300B0D9F71ED02CC0A4CF20E030E006C046E023
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S1130090CFEFD0E1DEBFCDBF11E0A0E0B1E0ECE7EF
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S11300A0F1E000E00BBF02C007900D92A230B1074F
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S11300B0D9F747D061C0A4CF20E030E006C046E0C5
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S11300C04A95F1F700C02F5F3F4F28173907B8F35F
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S11300D0089520E030E008C0E7E8F3E13197F1F754
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S11300E000C000002F5F3F4F28173907A8F3089579
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S11300F081E080936400C5E6D0E018828AE090E055
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S1130100DBDF81E0888384E690E0E3DFF4CFF894DA
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S1050110FFCF1B
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S11300F0CF93DF93C5E6D0E018828AE090E0DCDF9E
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S113010081E08883DF91CF9108951F920F920FB6FB
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S11301100F9211248F9380910001813031F482E099
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S113012080936A001092000106C083E080936A0005
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S113013081E0809300018F910F900FBE0F901F906C
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S113014018958FEF8093640011BA8ABBEAE6F0E059
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S113015080818360808389B7816089BF7894C8DF98
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S113016080910001811103C08FEF8BBB01C01BBACA
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S10F017088EE93E0AEDFF3CFF894FFCFED
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S105017C01007C
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S9030000FC
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@@ -20,6 +20,7 @@
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#include <avr/io.h>
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#include <util/delay.h>
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#include <avr/interrupt.h>
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#include "lcd_control.h"
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@@ -53,13 +54,22 @@ void ultrasonic_send_pulse()
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ISR(INT0_vect)
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{
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// set interrupt pin 0 on PORTD to falling edge
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// if the interrupt was generated on a rising edge (start sending echo)
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if (int_stat == INTERRUPT_RISING)
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{
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// set interrupt pin 0 on PORTD to falling edge
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EICRA = 0x02;
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// set interrupt status
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int_stat = INTERRUPT_FALLING;
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} else {
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} else
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// else if it was generated on a falling edge (end sending echo)
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{
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// set interrupt pin 0 on PORTD to rising edge
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EICRA = 0x03;
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// set interrupt status
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int_stat = INTERRUPT_RISING;
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}
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@@ -68,7 +78,10 @@ ISR(INT0_vect)
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int main(void)
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{
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DDRG = 0x01; // port g pin 0 on output, 1 on input. 0 is trig, 1 is echo
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DDRG = 0xFF; // port g all output. pin 0 is trig, the rest is for debug
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DDRD = 0x00; // port D pin 0 on input. 0 is echo and also interrupt
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DDRA = 0xFF;
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EICRA |= 0x03; // interrupt PORTD on pin 0, rising edge
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@@ -80,6 +93,12 @@ int main(void)
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while (1)
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{
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ultrasonic_send_pulse();
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if (int_stat == INTERRUPT_FALLING)
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{
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PORTA = 0xFF;
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} else {
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PORTA = 0x00;
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}
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wait_ms(100);
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}
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Block a user