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Мой первый блин), Перехожу на Си |
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Oct 6 2009, 13:08
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Частый гость
 
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CODE #include <avr/io.h> #include <avr/interrupt.h> #include <avr/wdt.h> volatile int i = 0; int main() { PORTE = 0x01; DDRE = 0x7F;
wdt_disable();
TCNT0 = 0x00; TCCR0A = 0; TCCR0B = 3; TIFR0 = 0; TIMSK0 = 0x01; sei(); //cli(); while (1) {
if (PORTK == 255) PORTK = 0; else PORTK++;
} }
ISR(TIMER0_OVF_vect) { //TCNT0 = 0x00;
if(i++ == 0xFF55) { PORTE ^= 0x01; i = 0; } } Суть проблемы - прерывание срабатывает, но на ноге порта Е никаких изменений, а если убрать условие (if) то все норм. Чиво не так сделал? Заранее спасибо.
Причина редактирования: Нарушение правил цитирования исходников.
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Oct 6 2009, 13:41
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Местный
  
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Цитата(novlev @ Oct 6 2009, 16:08)  Чиво не так сделал? Заранее спасибо. Попробуйте так : Код ISR(TIMER0_OVF_vect) { static unsigned int i = 0; // i - используется только в обработчике прерывания и является статической // с локальной областью видимости. //TCNT0 = 0x00;
if(i++ == 0xFF55) { PORTE ^= 0x01; i = 0; } }
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Oct 6 2009, 14:02
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Частый гость
 
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Вот дизасм - CODE +00000072: 2411 CLR R1 Clear Register +00000073: BE1F OUT 0x3F,R1 Out to I/O location +00000074: EFCF SER R28 Set Register +00000075: E2D1 LDI R29,0x21 Load immediate +00000076: BFDE OUT 0x3E,R29 Out to I/O location +00000077: BFCD OUT 0x3D,R28 Out to I/O location +00000078: E012 LDI R17,0x02 Load immediate +00000079: E0A0 LDI R26,0x00 Load immediate +0000007A: E0B2 LDI R27,0x02 Load immediate +0000007B: C001 RJMP PC+0x0002 Relative jump +0000007C: 921D ST X+,R1 Store indirect and postincrement +0000007D: 30A2 CPI R26,0x02 Compare with immediate +0000007E: 07B1 CPC R27,R17 Compare with carry +0000007F: F7E1 BRNE PC-0x03 Branch if not equal +00000080: 940E0086 CALL 0x00000086 Call subroutine +00000082: 940C0103 JMP 0x00000103 Jump +00000084: 940C0000 JMP 0x00000000 Jump +00000086: 93DF PUSH R29 Push register on stack +00000087: 93CF PUSH R28 Push register on stack +00000088: B7CD IN R28,0x3D In from I/O location +00000089: B7DE IN R29,0x3E In from I/O location +0000008A: E2EE LDI R30,0x2E Load immediate +0000008B: E0F0 LDI R31,0x00 Load immediate +0000008C: E081 LDI R24,0x01 Load immediate +0000008D: 8380 STD Z+0,R24 Store indirect with displacement +0000008E: E2ED LDI R30,0x2D Load immediate +0000008F: E0F0 LDI R31,0x00 Load immediate +00000090: E78F LDI R24,0x7F Load immediate +00000091: 8380 STD Z+0,R24 Store indirect with displacement +00000092: E188 LDI R24,0x18 Load immediate +00000093: B60F IN R0,0x3F In from I/O location +00000094: 94F8 CLI Global Interrupt Disable +00000095: 93800060 STS 0x0060,R24 Store direct to data space +00000097: 92100060 STS 0x0060,R1 Store direct to data space +00000099: BE0F OUT 0x3F,R0 Out to I/O location +0000009A: E4E6 LDI R30,0x46 Load immediate +0000009B: E0F0 LDI R31,0x00 Load immediate +0000009C: 8210 STD Z+0,R1 Store indirect with displacement +0000009D: E4E4 LDI R30,0x44 Load immediate +0000009E: E0F0 LDI R31,0x00 Load immediate +0000009F: 8210 STD Z+0,R1 Store indirect with displacement +000000A0: E4E5 LDI R30,0x45 Load immediate +000000A1: E0F0 LDI R31,0x00 Load immediate +000000A2: E085 LDI R24,0x05 Load immediate +000000A3: 8380 STD Z+0,R24 Store indirect with displacement +000000A4: E3E5 LDI R30,0x35 Load immediate +000000A5: E0F0 LDI R31,0x00 Load immediate +000000A6: 8210 STD Z+0,R1 Store indirect with displacement +000000A7: E6EE LDI R30,0x6E Load immediate +000000A8: E0F0 LDI R31,0x00 Load immediate +000000A9: E081 LDI R24,0x01 Load immediate +000000AA: 8380 STD Z+0,R24 Store indirect with displacement +000000AB: 9478 SEI Global Interrupt Enable +000000AC: E0E8 LDI R30,0x08 Load immediate +000000AD: E0F1 LDI R31,0x01 Load immediate +000000AE: 8180 LDD R24,Z+0 Load indirect with displacement +000000AF: 3F8F CPI R24,0xFF Compare with immediate +000000B0: F421 BRNE PC+0x05 Branch if not equal +000000B1: E0E8 LDI R30,0x08 Load immediate +000000B2: E0F1 LDI R31,0x01 Load immediate +000000B3: 8210 STD Z+0,R1 Store indirect with displacement +000000B4: CFF7 RJMP PC-0x0008 Relative jump +000000B5: E0E8 LDI R30,0x08 Load immediate +000000B6: E0F1 LDI R31,0x01 Load immediate +000000B7: 8180 LDD R24,Z+0 Load indirect with displacement +000000B8: 5F8F SUBI R24,0xFF Subtract immediate +000000B9: 8380 STD Z+0,R24 Store indirect with displacement +000000BA: CFF1 RJMP PC-0x000E Relative jump +000000BB: 921F PUSH R1 Push register on stack +000000BC: 920F PUSH R0 Push register on stack +000000BD: B60F IN R0,0x3F In from I/O location +000000BE: 920F PUSH R0 Push register on stack +000000BF: 2411 CLR R1 Clear Register +000000C0: 932F PUSH R18 Push register on stack +000000C1: 938F PUSH R24 Push register on stack +000000C2: 939F PUSH R25 Push register on stack +000000C3: 93AF PUSH R26 Push register on stack +000000C4: 93BF PUSH R27 Push register on stack +000000C5: 93EF PUSH R30 Push register on stack +000000C6: 93FF PUSH R31 Push register on stack +000000C7: 93DF PUSH R29 Push register on stack +000000C8: 93CF PUSH R28 Push register on stack +000000C9: D000 RCALL PC+0x0001 Relative call subroutine +000000CA: 920F PUSH R0 Push register on stack +000000CB: B7CD IN R28,0x3D In from I/O location +000000CC: B7DE IN R29,0x3E In from I/O location +000000CD: 91800200 LDS R24,0x0200 Load direct from data space +000000CF: 91900201 LDS R25,0x0201 Load direct from data space +000000D1: 839B STD Y+3,R25 Store indirect with displacement +000000D2: 838A STD Y+2,R24 Store indirect with displacement +000000D3: 8219 STD Y+1,R1 Store indirect with displacement +000000D4: 818A LDD R24,Y+2 Load indirect with displacement +000000D5: 819B LDD R25,Y+3 Load indirect with displacement +000000D6: EF2F SER R18 Set Register +000000D7: 3F80 CPI R24,0xF0 Compare with immediate +000000D8: 0792 CPC R25,R18 Compare with carry +000000D9: F411 BRNE PC+0x03 Branch if not equal +000000DA: E081 LDI R24,0x01 Load immediate +000000DB: 8389 STD Y+1,R24 Store indirect with displacement +000000DC: 818A LDD R24,Y+2 Load indirect with displacement +000000DD: 819B LDD R25,Y+3 Load indirect with displacement +000000DE: 9601 ADIW R24,0x01 Add immediate to word +000000DF: 93900201 STS 0x0201,R25 Store direct to data space +000000E1: 93800200 STS 0x0200,R24 Store direct to data space +000000E3: 8199 LDD R25,Y+1 Load indirect with displacement +000000E4: 2399 TST R25 Test for Zero or Minus +000000E5: F061 BREQ PC+0x0D Branch if equal +000000E6: E2AE LDI R26,0x2E Load immediate +000000E7: E0B0 LDI R27,0x00 Load immediate +000000E8: E2EE LDI R30,0x2E Load immediate +000000E9: E0F0 LDI R31,0x00 Load immediate +000000EA: 8190 LDD R25,Z+0 Load indirect with displacement +000000EB: E081 LDI R24,0x01 Load immediate +000000EC: 2789 EOR R24,R25 Exclusive OR +000000ED: 938C ST X,R24 Store indirect +000000EE: 92100201 STS 0x0201,R1 Store direct to data space +000000F0: 92100200 STS 0x0200,R1 Store direct to data space +000000F2: 900F POP R0 Pop register from stack +000000F3: 900F POP R0 Pop register from stack +000000F4: 900F POP R0 Pop register from stack +000000F5: 91CF POP R28 Pop register from stack +000000F6: 91DF POP R29 Pop register from stack +000000F7: 91FF POP R31 Pop register from stack +000000F8: 91EF POP R30 Pop register from stack +000000F9: 91BF POP R27 Pop register from stack +000000FA: 91AF POP R26 Pop register from stack +000000FB: 919F POP R25 Pop register from stack +000000FC: 918F POP R24 Pop register from stack +000000FD: 912F POP R18 Pop register from stack +000000FE: 900F POP R0 Pop register from stack +000000FF: BE0F OUT 0x3F,R0 Out to I/O location +00000100: 900F POP R0 Pop register from stack +00000101: 901F POP R1 Pop register from stack +00000102: 9518 RETI Interrupt return +00000103: 94F8 CLI Global Interrupt Disable +00000104: CFFF RJMP PC-0x0000 Relative jump +00000105: 90FF POP R15 Pop register from stack +00000106: BE0F OUT 0x3F,R0 Out to I/O location +00000107: 900F POP R0 Pop register from stack +00000108: 901F POP R1 Pop register from stack +00000109: 9518 RETI Interrupt return +0000010A: 921F PUSH R1 Push register on stack +0000010B: 920F PUSH R0 Push register on stack +0000010C: B60F IN R0,0x3F In from I/O location +0000010D: 920F PUSH R0 Push register on stack +0000010E: 2411 CLR R1 Clear Register +0000010F: 932F PUSH R18 Push register on stack +00000110: 938F PUSH R24 Push register on stack +00000111: 939F PUSH R25 Push register on stack +00000112: 93AF PUSH R26 Push register on stack +00000113: 93BF PUSH R27 Push register on stack +00000114: 93EF PUSH R30 Push register on stack +00000115: 93FF PUSH R31 Push register on stack +00000116: 93DF PUSH R29 Push register on stack +00000117: 93CF PUSH R28 Push register on stack +00000118: D000 RCALL PC+0x0001 Relative call subroutine +00000119: 920F PUSH R0 Push register on stack +0000011A: B7CD IN R28,0x3D In from I/O location +0000011B: B7DE IN R29,0x3E In from I/O location +0000011C: 91800200 LDS R24,0x0200 Load direct from data space +0000011E: 91900201 LDS R25,0x0201 Load direct from data space +00000120: 839B STD Y+3,R25 Store indirect with displacement +00000121: 838A STD Y+2,R24 Store indirect with displacement +00000122: 8219 STD Y+1,R1 Store indirect with displacement +00000123: 818A LDD R24,Y+2 Load indirect with displacement +00000124: 819B LDD R25,Y+3 Load indirect with displacement +00000125: EF2F SER R18 Set Register +00000126: 3F80 CPI R24,0xF0 Compare with immediate +00000127: 0792 CPC R25,R18 Compare with carry +00000128: F411 BRNE PC+0x03 Branch if not equal +00000129: E081 LDI R24,0x01 Load immediate +0000012A: 8389 STD Y+1,R24 Store indirect with displacement +0000012B: 818A LDD R24,Y+2 Load indirect with displacement +0000012C: 819B LDD R25,Y+3 Load indirect with displacement +0000012D: 9601 ADIW R24,0x01 Add immediate to word +0000012E: 93900201 STS 0x0201,R25 Store direct to data space +00000130: 93800200 STS 0x0200,R24 Store direct to data space +00000132: 8199 LDD R25,Y+1 Load indirect with displacement +00000133: 2399 TST R25 Test for Zero or Minus +00000134: F061 BREQ PC+0x0D Branch if equal +00000135: E2AE LDI R26,0x2E Load immediate +00000136: E0B0 LDI R27,0x00 Load immediate +00000137: E2EE LDI R30,0x2E Load immediate +00000138: E0F0 LDI R31,0x00 Load immediate +00000139: 8190 LDD R25,Z+0 Load indirect with displacement +0000013A: E081 LDI R24,0x01 Load immediate +0000013B: 2789 EOR R24,R25 Exclusive OR +0000013C: 938C ST X,R24 Store indirect +0000013D: 92100201 STS 0x0201,R1 Store direct to data space +0000013F: 92100000 STS 0x0000,R1 Store direct to data space +00000141: 900F POP R0 Pop register from stack +00000142: 900F POP R0 Pop register from stack +00000143: 900F POP R0 Pop register from stack +00000144: 91CF POP R28 Pop register from stack +00000145: 91DF POP R29 Pop register from stack +00000146: 91FF POP R31 Pop register from stack +00000147: 91EF POP R30 Pop register from stack +00000148: 91BF POP R27 Pop register from stack +00000149: 91AF POP R26 Pop register from stack +0000014A: 919F POP R25 Pop register from stack +0000014B: 918F POP R24 Pop register from stack +0000014C: 912F POP R18 Pop register from stack +0000014D: 900F POP R0 Pop register from stack +0000014E: BE0F OUT 0x3F,R0 Out to I/O location +0000014F: 900F POP R0 Pop register from stack +00000150: 901F POP R1 Pop register from stack +00000151: 9518 RETI Interrupt return +00000152: 94F8 CLI Global Interrupt Disable +00000153: CFFF RJMP PC-0x0000 Relative jump Может надо стек настроить? или еще что...
Причина редактирования: Нарушение правил цитирования исходников.
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Oct 6 2009, 14:16
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Частый гость
 
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вот листинг, прикрепить файл не получилось. CODE tst_gcc.elf: file format elf32-avr
Sections: Idx Name Size VMA LMA File off Algn 0 .text 000001a8 00000000 00000000 00000074 2**1 CONTENTS, ALLOC, LOAD, READONLY, CODE 1 .bss 00000001 00800200 00800200 0000021c 2**0 ALLOC
Disassembly of section .text:
00000000 <__vectors>: 0: 0c 94 72 00 jmp 0xe4; 0xe4 <__ctors_end> 4: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 8: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> c: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 10: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 14: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 18: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 1c: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 20: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 24: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 28: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 2c: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 30: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 34: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 38: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 3c: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 40: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 44: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 48: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 4c: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 50: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 54: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 58: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 5c: 0c 94 bb 00 jmp 0x176; 0x176 <__vector_23> 60: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 64: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 68: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 6c: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 70: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 74: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 78: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 7c: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 80: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 84: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 88: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 8c: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 90: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 94: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 98: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> 9c: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> a0: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> a4: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> a8: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> ac: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> b0: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> b4: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> b8: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> bc: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> c0: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> c4: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> c8: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> cc: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> d0: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> d4: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> d8: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> dc: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt> e0: 0c 94 84 00 jmp 0x108; 0x108 <__bad_interrupt>
000000e4 <__ctors_end>: e4: 11 24 eor r1, r1 e6: 1f be out 0x3f, r1; 63 e8: cf ef ldi r28, 0xFF; 255 ea: d1 e2 ldi r29, 0x21; 33 ec: de bf out 0x3e, r29; 62 ee: cd bf out 0x3d, r28; 61
000000f0 <__do_clear_bss>: f0: 12 e0 ldi r17, 0x02; 2 f2: a0 e0 ldi r26, 0x00; 0 f4: b2 e0 ldi r27, 0x02; 2 f6: 01 c0 rjmp .+2 ; 0xfa <.do_clear_bss_start>
000000f8 <.do_clear_bss_loop>: f8: 1d 92 st X+, r1
000000fa <.do_clear_bss_start>: fa: a1 30 cpi r26, 0x01; 1 fc: b1 07 cpc r27, r17 fe: e1 f7 brne .-8 ; 0xf8 <.do_clear_bss_loop> 100: 0e 94 86 00 call 0x10c; 0x10c <main> 104: 0c 94 d2 00 jmp 0x1a4; 0x1a4 <_exit>
00000108 <__bad_interrupt>: 108: 0c 94 00 00 jmp 0; 0x0 <__vectors>
0000010c <main>: 10c: df 93 push r29 10e: cf 93 push r28 110: cd b7 in r28, 0x3d; 61 112: de b7 in r29, 0x3e; 62 114: ee e2 ldi r30, 0x2E; 46 116: f0 e0 ldi r31, 0x00; 0 118: 81 e0 ldi r24, 0x01; 1 11a: 80 83 st Z, r24 11c: ed e2 ldi r30, 0x2D; 45 11e: f0 e0 ldi r31, 0x00; 0 120: 8f e7 ldi r24, 0x7F; 127 122: 80 83 st Z, r24 124: 88 e1 ldi r24, 0x18; 24 126: 0f b6 in r0, 0x3f; 63 128: f8 94 cli 12a: 80 93 60 00 sts 0x0060, r24 12e: 10 92 60 00 sts 0x0060, r1 132: 0f be out 0x3f, r0; 63 134: e6 e4 ldi r30, 0x46; 70 136: f0 e0 ldi r31, 0x00; 0 138: 10 82 st Z, r1 13a: e4 e4 ldi r30, 0x44; 68 13c: f0 e0 ldi r31, 0x00; 0 13e: 10 82 st Z, r1 140: e5 e4 ldi r30, 0x45; 69 142: f0 e0 ldi r31, 0x00; 0 144: 85 e0 ldi r24, 0x05; 5 146: 80 83 st Z, r24 148: e5 e3 ldi r30, 0x35; 53 14a: f0 e0 ldi r31, 0x00; 0 14c: 10 82 st Z, r1 14e: ee e6 ldi r30, 0x6E; 110 150: f0 e0 ldi r31, 0x00; 0 152: 81 e0 ldi r24, 0x01; 1 154: 80 83 st Z, r24 156: 78 94 sei 158: e8 e0 ldi r30, 0x08; 8 15a: f1 e0 ldi r31, 0x01; 1 15c: 80 81 ld r24, Z 15e: 8f 3f cpi r24, 0xFF; 255 160: 21 f4 brne .+8 ; 0x16a <main+0x5e> 162: e8 e0 ldi r30, 0x08; 8 164: f1 e0 ldi r31, 0x01; 1 166: 10 82 st Z, r1 168: f7 cf rjmp .-18 ; 0x158 <main+0x4c> 16a: e8 e0 ldi r30, 0x08; 8 16c: f1 e0 ldi r31, 0x01; 1 16e: 80 81 ld r24, Z 170: 8f 5f subi r24, 0xFF; 255 172: 80 83 st Z, r24 174: f1 cf rjmp .-30 ; 0x158 <main+0x4c>
00000176 <__vector_23>: 176: 1f 92 push r1 178: 0f 92 push r0 17a: 0f b6 in r0, 0x3f; 63 17c: 0f 92 push r0 17e: 11 24 eor r1, r1 180: 8f 93 push r24 182: df 93 push r29 184: cf 93 push r28 186: cd b7 in r28, 0x3d; 61 188: de b7 in r29, 0x3e; 62 18a: 80 91 00 02 lds r24, 0x0200 18e: 8f 5f subi r24, 0xFF; 255 190: 80 93 00 02 sts 0x0200, r24 194: cf 91 pop r28 196: df 91 pop r29 198: 8f 91 pop r24 19a: 0f 90 pop r0 19c: 0f be out 0x3f, r0; 63 19e: 0f 90 pop r0 1a0: 1f 90 pop r1 1a2: 18 95 reti
000001a4 <_exit>: 1a4: f8 94 cli
000001a6 <__stop_program>: 1a6: ff cf rjmp .-2 ; 0x1a6 <__stop_program> Перебрал все типы данных, по логике оставил unsigned short int, результата нет
Причина редактирования: Нарушение п.3.4 правил форума.
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Oct 6 2009, 14:32
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Частый гость
 
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Код unsigned char i = 0x00; ISR(TIMER0_OVF_vect) { if(i++ == 0x55) { PORTE ^= 0x01; i = 0; } } и так не хочет. Уровни оптимизации попробовал все. Прикольная ситуация))
Сообщение отредактировал novlev - Oct 6 2009, 14:40
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4 чел. читают эту тему (гостей: 4, скрытых пользователей: 0)
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