: static void GPIO_init(void); static void delay(const uint16_t ms); /* ------------------------------------ M A I N --------------------------------------- */ int main(void) { 8000218: b580 push {r7, lr} 800021a: b084 sub sp, #16 800021c: af00 add r7, sp, #0 \details Disables IRQ interrupts by setting the I-bit in the CPSR. Can only be executed in Privileged modes. */ __STATIC_FORCEINLINE void __disable_irq(void) { __ASM volatile ("cpsid i" : : : "memory"); 800021e: b672 cpsid i } 8000220: bf00 nop /* --- initialization --- */ __disable_irq(); // disable interrupts globally GPIO_init(); 8000222: f000 f8e5 bl 80003f0 __ASM volatile ("cpsie i" : : : "memory"); 8000226: b662 cpsie i } 8000228: bf00 nop __enable_irq(); // enable interrupts globally /* --- one time tasks --- */ //s0 Hilfvariablen auserhalb von while deklarieren int running = 0; //0 Lauflicht aus, 1 Lauflicht an 800022a: 2300 movs r3, #0 800022c: 60fb str r3, [r7, #12] int lastButtonState = 1; // Hilfsvariable zur Flankenerkennung 800022e: 2301 movs r3, #1 8000230: 60bb str r3, [r7, #8] /* --- infinite processing loop --- */ while (1) { int buttonState = GPIOB->IDR & (1 << 0); 8000232: 4b6d ldr r3, [pc, #436] @ (80003e8 ) 8000234: 691b ldr r3, [r3, #16] 8000236: f003 0301 and.w r3, r3, #1 800023a: 607b str r3, [r7, #4] // fallende Flanke erkennen if (lastButtonState && !buttonState) 800023c: 68bb ldr r3, [r7, #8] 800023e: 2b00 cmp r3, #0 8000240: d006 beq.n 8000250 8000242: 687b ldr r3, [r7, #4] 8000244: 2b00 cmp r3, #0 8000246: d103 bne.n 8000250 { running ^= 1; // toggle running 8000248: 68fb ldr r3, [r7, #12] 800024a: f083 0301 eor.w r3, r3, #1 800024e: 60fb str r3, [r7, #12] /* delay(50); // entprellen */ } lastButtonState = buttonState; 8000250: 687b ldr r3, [r7, #4] 8000252: 60bb str r3, [r7, #8] if(running) 8000254: 68fb ldr r3, [r7, #12] 8000256: 2b00 cmp r3, #0 8000258: d0eb beq.n 8000232 { switch (state) 800025a: 4b64 ldr r3, [pc, #400] @ (80003ec ) 800025c: 681b ldr r3, [r3, #0] 800025e: 2b05 cmp r3, #5 8000260: dc12 bgt.n 8000288 8000262: 2b00 cmp r3, #0 8000264: dbe5 blt.n 8000232 8000266: 2b05 cmp r3, #5 8000268: d8e3 bhi.n 8000232 800026a: a201 add r2, pc, #4 @ (adr r2, 8000270 ) 800026c: f852 f023 ldr.w pc, [r2, r3, lsl #2] 8000270: 08000291 .word 0x08000291 8000274: 080002c5 .word 0x080002c5 8000278: 080002f9 .word 0x080002f9 800027c: 0800032d .word 0x0800032d 8000280: 08000361 .word 0x08000361 8000284: 08000395 .word 0x08000395 8000288: 2b63 cmp r3, #99 @ 0x63 800028a: f000 809b beq.w 80003c4 800028e: e0aa b.n 80003e6 { case 0: state++; 8000290: 4b56 ldr r3, [pc, #344] @ (80003ec ) 8000292: 681b ldr r3, [r3, #0] 8000294: 3301 adds r3, #1 8000296: 4a55 ldr r2, [pc, #340] @ (80003ec ) 8000298: 6013 str r3, [r2, #0] GPIOA->ODR &= ~(1 << 0); 800029a: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 800029e: 695b ldr r3, [r3, #20] 80002a0: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 80002a4: f023 0301 bic.w r3, r3, #1 80002a8: 6153 str r3, [r2, #20] delay(WAITTIME); 80002aa: f240 104d movw r0, #333 @ 0x14d 80002ae: f000 f911 bl 80004d4 GPIOA->ODR |= (1 << 0); 80002b2: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 80002b6: 695b ldr r3, [r3, #20] 80002b8: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 80002bc: f043 0301 orr.w r3, r3, #1 80002c0: 6153 str r3, [r2, #20] break; 80002c2: e090 b.n 80003e6 case 1: state++; 80002c4: 4b49 ldr r3, [pc, #292] @ (80003ec ) 80002c6: 681b ldr r3, [r3, #0] 80002c8: 3301 adds r3, #1 80002ca: 4a48 ldr r2, [pc, #288] @ (80003ec ) 80002cc: 6013 str r3, [r2, #0] GPIOA->ODR &= ~(1 << 1); 80002ce: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 80002d2: 695b ldr r3, [r3, #20] 80002d4: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 80002d8: f023 0302 bic.w r3, r3, #2 80002dc: 6153 str r3, [r2, #20] delay(WAITTIME); 80002de: f240 104d movw r0, #333 @ 0x14d 80002e2: f000 f8f7 bl 80004d4 GPIOA->ODR |= (1 << 1); 80002e6: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 80002ea: 695b ldr r3, [r3, #20] 80002ec: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 80002f0: f043 0302 orr.w r3, r3, #2 80002f4: 6153 str r3, [r2, #20] break; 80002f6: e076 b.n 80003e6 case 2: state++; 80002f8: 4b3c ldr r3, [pc, #240] @ (80003ec ) 80002fa: 681b ldr r3, [r3, #0] 80002fc: 3301 adds r3, #1 80002fe: 4a3b ldr r2, [pc, #236] @ (80003ec ) 8000300: 6013 str r3, [r2, #0] GPIOA->ODR &= ~(1 << 2); 8000302: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 8000306: 695b ldr r3, [r3, #20] 8000308: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 800030c: f023 0304 bic.w r3, r3, #4 8000310: 6153 str r3, [r2, #20] delay(WAITTIME); 8000312: f240 104d movw r0, #333 @ 0x14d 8000316: f000 f8dd bl 80004d4 GPIOA->ODR |= (1 << 2); 800031a: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 800031e: 695b ldr r3, [r3, #20] 8000320: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 8000324: f043 0304 orr.w r3, r3, #4 8000328: 6153 str r3, [r2, #20] break; 800032a: e05c b.n 80003e6 case 3: state++; 800032c: 4b2f ldr r3, [pc, #188] @ (80003ec ) 800032e: 681b ldr r3, [r3, #0] 8000330: 3301 adds r3, #1 8000332: 4a2e ldr r2, [pc, #184] @ (80003ec ) 8000334: 6013 str r3, [r2, #0] GPIOA->ODR &= ~(1 << 3); 8000336: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 800033a: 695b ldr r3, [r3, #20] 800033c: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 8000340: f023 0308 bic.w r3, r3, #8 8000344: 6153 str r3, [r2, #20] delay(WAITTIME); 8000346: f240 104d movw r0, #333 @ 0x14d 800034a: f000 f8c3 bl 80004d4 GPIOA->ODR |= (1 << 3); 800034e: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 8000352: 695b ldr r3, [r3, #20] 8000354: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 8000358: f043 0308 orr.w r3, r3, #8 800035c: 6153 str r3, [r2, #20] break; 800035e: e042 b.n 80003e6 case 4: state++; 8000360: 4b22 ldr r3, [pc, #136] @ (80003ec ) 8000362: 681b ldr r3, [r3, #0] 8000364: 3301 adds r3, #1 8000366: 4a21 ldr r2, [pc, #132] @ (80003ec ) 8000368: 6013 str r3, [r2, #0] GPIOA->ODR &= ~(1 << 2); 800036a: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 800036e: 695b ldr r3, [r3, #20] 8000370: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 8000374: f023 0304 bic.w r3, r3, #4 8000378: 6153 str r3, [r2, #20] delay(WAITTIME); 800037a: f240 104d movw r0, #333 @ 0x14d 800037e: f000 f8a9 bl 80004d4 GPIOA->ODR |= (1 << 2); 8000382: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 8000386: 695b ldr r3, [r3, #20] 8000388: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 800038c: f043 0304 orr.w r3, r3, #4 8000390: 6153 str r3, [r2, #20] break; 8000392: e028 b.n 80003e6 case 5: state=0; 8000394: 4b15 ldr r3, [pc, #84] @ (80003ec ) 8000396: 2200 movs r2, #0 8000398: 601a str r2, [r3, #0] GPIOA->ODR &= ~(1 << 1); 800039a: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 800039e: 695b ldr r3, [r3, #20] 80003a0: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 80003a4: f023 0302 bic.w r3, r3, #2 80003a8: 6153 str r3, [r2, #20] delay(WAITTIME); 80003aa: f240 104d movw r0, #333 @ 0x14d 80003ae: f000 f891 bl 80004d4 GPIOA->ODR |= (1 << 1); 80003b2: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 80003b6: 695b ldr r3, [r3, #20] 80003b8: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 80003bc: f043 0302 orr.w r3, r3, #2 80003c0: 6153 str r3, [r2, #20] break; 80003c2: e010 b.n 80003e6 case 99: GPIOA->ODR |= MASK_LED_ALL; 80003c4: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 80003c8: 695b ldr r3, [r3, #20] 80003ca: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 80003ce: f043 030f orr.w r3, r3, #15 80003d2: 6153 str r3, [r2, #20] while(1){ if((GPIOB->IDR & (1 << 0)) == 0){ 80003d4: 4b04 ldr r3, [pc, #16] @ (80003e8 ) 80003d6: 691b ldr r3, [r3, #16] 80003d8: f003 0301 and.w r3, r3, #1 80003dc: 2b00 cmp r3, #0 80003de: d1f9 bne.n 80003d4 state=0; 80003e0: 4b02 ldr r3, [pc, #8] @ (80003ec ) 80003e2: 2200 movs r2, #0 80003e4: 601a str r2, [r3, #0] { 80003e6: e724 b.n 8000232 80003e8: 48000400 .word 0x48000400 80003ec: 2000001c .word 0x2000001c 080003f0 : * requires: - nothing - * parameters: - none - * returns: - nothing - \* ------------------------------------------------------------------------------------ */ static void GPIO_init(void) { 80003f0: b480 push {r7} 80003f2: af00 add r7, sp, #0 /* enable port clocks */ RCC->AHB2ENR |= RCC_AHB2ENR_GPIOAEN; // LEDs: A 80003f4: 4b35 ldr r3, [pc, #212] @ (80004cc ) 80003f6: 6cdb ldr r3, [r3, #76] @ 0x4c 80003f8: 4a34 ldr r2, [pc, #208] @ (80004cc ) 80003fa: f043 0301 orr.w r3, r3, #1 80003fe: 64d3 str r3, [r2, #76] @ 0x4c RCC->AHB2ENR |= RCC_AHB2ENR_GPIOBEN; //Taster versuch 8000400: 4b32 ldr r3, [pc, #200] @ (80004cc ) 8000402: 6cdb ldr r3, [r3, #76] @ 0x4c 8000404: 4a31 ldr r2, [pc, #196] @ (80004cc ) 8000406: f043 0302 orr.w r3, r3, #2 800040a: 64d3 str r3, [r2, #76] @ 0x4c /* --- LEDs --- */ GPIOA->ODR |= MASK_LED_ALL; 800040c: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 8000410: 695b ldr r3, [r3, #20] 8000412: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 8000416: f043 030f orr.w r3, r3, #15 800041a: 6153 str r3, [r2, #20] GPIOA->MODER &= ~(3 << 0); 800041c: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 8000420: 681b ldr r3, [r3, #0] 8000422: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 8000426: f023 0303 bic.w r3, r3, #3 800042a: 6013 str r3, [r2, #0] GPIOA->MODER |= (1 << 0); // set LED pin to output 800042c: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 8000430: 681b ldr r3, [r3, #0] 8000432: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 8000436: f043 0301 orr.w r3, r3, #1 800043a: 6013 str r3, [r2, #0] /* LED1 als Output */ GPIOA->MODER &= ~(3 << 2); // Versuch: LED 1 Mode löschen :klappt so 800043c: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 8000440: 681b ldr r3, [r3, #0] 8000442: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 8000446: f023 030c bic.w r3, r3, #12 800044a: 6013 str r3, [r2, #0] GPIOA->MODER |= (1 << 2); // Versuch: LED 1 PA1 = output :klappt so 800044c: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 8000450: 681b ldr r3, [r3, #0] 8000452: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 8000456: f043 0304 orr.w r3, r3, #4 800045a: 6013 str r3, [r2, #0] /* LED2 als Output */ GPIOA->MODER &= ~(3 << 4); // Versuch: LED 2 Mode löschen :klappt 800045c: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 8000460: 681b ldr r3, [r3, #0] 8000462: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 8000466: f023 0330 bic.w r3, r3, #48 @ 0x30 800046a: 6013 str r3, [r2, #0] GPIOA->MODER |= (1 << 4); // Versuch: LED 2 PA1 = output :klappt 800046c: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 8000470: 681b ldr r3, [r3, #0] 8000472: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 8000476: f043 0310 orr.w r3, r3, #16 800047a: 6013 str r3, [r2, #0] /* LED3 als output */ GPIOA->MODER &= ~(3 << 6); 800047c: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 8000480: 681b ldr r3, [r3, #0] 8000482: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 8000486: f023 03c0 bic.w r3, r3, #192 @ 0xc0 800048a: 6013 str r3, [r2, #0] GPIOA->MODER |= (1 << 6); 800048c: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 8000490: 681b ldr r3, [r3, #0] 8000492: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 8000496: f043 0340 orr.w r3, r3, #64 @ 0x40 800049a: 6013 str r3, [r2, #0] /* s0 (PB0) als Input Versuch */ GPIOB->MODER &= ~(3 << 0); 800049c: 4b0c ldr r3, [pc, #48] @ (80004d0 ) 800049e: 681b ldr r3, [r3, #0] 80004a0: 4a0b ldr r2, [pc, #44] @ (80004d0 ) 80004a2: f023 0303 bic.w r3, r3, #3 80004a6: 6013 str r3, [r2, #0] /* Pull-Up Aktivieren Versuch */ GPIOB->PUPDR &= ~(3 << 0); 80004a8: 4b09 ldr r3, [pc, #36] @ (80004d0 ) 80004aa: 68db ldr r3, [r3, #12] 80004ac: 4a08 ldr r2, [pc, #32] @ (80004d0 ) 80004ae: f023 0303 bic.w r3, r3, #3 80004b2: 60d3 str r3, [r2, #12] GPIOB->PUPDR |= (1 << 0); // 01 = Pull-Up 80004b4: 4b06 ldr r3, [pc, #24] @ (80004d0 ) 80004b6: 68db ldr r3, [r3, #12] 80004b8: 4a05 ldr r2, [pc, #20] @ (80004d0 ) 80004ba: f043 0301 orr.w r3, r3, #1 80004be: 60d3 str r3, [r2, #12] } 80004c0: bf00 nop 80004c2: 46bd mov sp, r7 80004c4: f85d 7b04 ldr.w r7, [sp], #4 80004c8: 4770 bx lr 80004ca: bf00 nop 80004cc: 40021000 .word 0x40021000 80004d0: 48000400 .word 0x48000400 080004d4 : * requires: - nothing - * parameters: ms - delay time in milliseconds * returns: - nothing - \* ------------------------------------------------------------------------------------ */ static void delay(const uint16_t ms) { 80004d4: b480 push {r7} 80004d6: b085 sub sp, #20 80004d8: af00 add r7, sp, #0 80004da: 4603 mov r3, r0 80004dc: 80fb strh r3, [r7, #6] for (uint16_t i = 0; i < ms; ++i) 80004de: 2300 movs r3, #0 80004e0: 81fb strh r3, [r7, #14] 80004e2: e018 b.n 8000516 { if((GPIOB->IDR & (1 << 0)) == 0){ 80004e4: 4b11 ldr r3, [pc, #68] @ (800052c ) 80004e6: 691b ldr r3, [r3, #16] 80004e8: f003 0301 and.w r3, r3, #1 80004ec: 2b00 cmp r3, #0 80004ee: d103 bne.n 80004f8 state = 99; 80004f0: 4b0f ldr r3, [pc, #60] @ (8000530 ) 80004f2: 2263 movs r2, #99 @ 0x63 80004f4: 601a str r2, [r3, #0] break; 80004f6: e013 b.n 8000520 } for (uint16_t j = 0; j < LOOPS_PER_MS; ++j) 80004f8: 2300 movs r3, #0 80004fa: 81bb strh r3, [r7, #12] 80004fc: e003 b.n 8000506 { __asm("NOP"); 80004fe: bf00 nop for (uint16_t j = 0; j < LOOPS_PER_MS; ++j) 8000500: 89bb ldrh r3, [r7, #12] 8000502: 3301 adds r3, #1 8000504: 81bb strh r3, [r7, #12] 8000506: 89bb ldrh r3, [r7, #12] 8000508: f240 42db movw r2, #1243 @ 0x4db 800050c: 4293 cmp r3, r2 800050e: d9f6 bls.n 80004fe for (uint16_t i = 0; i < ms; ++i) 8000510: 89fb ldrh r3, [r7, #14] 8000512: 3301 adds r3, #1 8000514: 81fb strh r3, [r7, #14] 8000516: 89fa ldrh r2, [r7, #14] 8000518: 88fb ldrh r3, [r7, #6] 800051a: 429a cmp r2, r3 800051c: d3e2 bcc.n 80004e4 } } } 800051e: bf00 nop 8000520: bf00 nop 8000522: 3714 adds r7, #20 8000524: 46bd mov sp, r7 8000526: f85d 7b04 ldr.w r7, [sp], #4 800052a: 4770 bx lr 800052c: 48000400 .word 0x48000400 8000530: 2000001c .word 0x2000001c 08000534 : * * Default interrupt handler for core interrupts. * Enables the green and red LED on the STefi Light board. \* ------------------------------------------------------------------------------------ */ void ISR_error(void) { 8000534: b480 push {r7} 8000536: af00 add r7, sp, #0 /* init */ RCC->AHB2ENR |= RCC_AHB2ENR_GPIOAEN; // PA: clock on (LEDs) 8000538: 4b10 ldr r3, [pc, #64] @ (800057c ) 800053a: 6cdb ldr r3, [r3, #76] @ 0x4c 800053c: 4a0f ldr r2, [pc, #60] @ (800057c ) 800053e: f043 0301 orr.w r3, r3, #1 8000542: 64d3 str r3, [r2, #76] @ 0x4c GPIOA->ODR |= MASK_LED_ALL; 8000544: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 8000548: 695b ldr r3, [r3, #20] 800054a: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 800054e: f043 030f orr.w r3, r3, #15 8000552: 6153 str r3, [r2, #20] GPIOA->MODER = (GPIOA->MODER & 0xFFFFFF00) | 0x11; 8000554: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 8000558: 681b ldr r3, [r3, #0] 800055a: f023 03ff bic.w r3, r3, #255 @ 0xff 800055e: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 8000562: f043 0311 orr.w r3, r3, #17 8000566: 6013 str r3, [r2, #0] while(1) { /* light up the LEDs permanently */ GPIOA->ODR &= ~(MASK_LED_GREEN | MASK_LED_RED); 8000568: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 800056c: 695b ldr r3, [r3, #20] 800056e: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 8000572: f023 0305 bic.w r3, r3, #5 8000576: 6153 str r3, [r2, #20] 8000578: e7f6 b.n 8000568 800057a: bf00 nop 800057c: 40021000 .word 0x40021000 08000580 : * * Default interrupt handler for non-core interrupts. * Enables the blue and yellow LED on the STefi Light board. \* ------------------------------------------------------------------------------------ */ void ISR_default(void) { 8000580: b480 push {r7} 8000582: af00 add r7, sp, #0 /* init */ RCC->AHB2ENR |= RCC_AHB2ENR_GPIOAEN; // PA: clock on (LEDs) 8000584: 4b10 ldr r3, [pc, #64] @ (80005c8 ) 8000586: 6cdb ldr r3, [r3, #76] @ 0x4c 8000588: 4a0f ldr r2, [pc, #60] @ (80005c8 ) 800058a: f043 0301 orr.w r3, r3, #1 800058e: 64d3 str r3, [r2, #76] @ 0x4c GPIOA->ODR |= MASK_LED_ALL; 8000590: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 8000594: 695b ldr r3, [r3, #20] 8000596: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 800059a: f043 030f orr.w r3, r3, #15 800059e: 6153 str r3, [r2, #20] GPIOA->MODER = (GPIOA->MODER & 0xFFFFFF00) | 0x44; 80005a0: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 80005a4: 681b ldr r3, [r3, #0] 80005a6: f023 03ff bic.w r3, r3, #255 @ 0xff 80005aa: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 80005ae: f043 0344 orr.w r3, r3, #68 @ 0x44 80005b2: 6013 str r3, [r2, #0] while(1) { /* light up the LEDs permanently */ GPIOA->ODR &= ~(MASK_LED_BLUE | MASK_LED_YELLOW); 80005b4: f04f 4390 mov.w r3, #1207959552 @ 0x48000000 80005b8: 695b ldr r3, [r3, #20] 80005ba: f04f 4290 mov.w r2, #1207959552 @ 0x48000000 80005be: f023 030a bic.w r3, r3, #10 80005c2: 6153 str r3, [r2, #20] 80005c4: e7f6 b.n 80005b4 80005c6: bf00 nop 80005c8: 40021000 .word 0x40021000 080005cc : .section .text.Reset_Handler .weak Reset_Handler .type Reset_Handler, %function Reset_Handler: ldr r0, =_estack 80005cc: 480c ldr r0, [pc, #48] @ (8000600 ) mov sp, r0 /* set stack pointer */ 80005ce: 4685 mov sp, r0 /* Call the clock system initialization function.*/ // bl SystemInit /* Copy the data segment initializers from flash to SRAM */ ldr r0, =_sdata 80005d0: 480c ldr r0, [pc, #48] @ (8000604 ) ldr r1, =_edata 80005d2: 490d ldr r1, [pc, #52] @ (8000608 ) ldr r2, =_sidata 80005d4: 4a0d ldr r2, [pc, #52] @ (800060c ) movs r3, #0 80005d6: 2300 movs r3, #0 b LoopCopyDataInit 80005d8: e002 b.n 80005e0 080005da : CopyDataInit: ldr r4, [r2, r3] 80005da: 58d4 ldr r4, [r2, r3] str r4, [r0, r3] 80005dc: 50c4 str r4, [r0, r3] adds r3, r3, #4 80005de: 3304 adds r3, #4 080005e0 : LoopCopyDataInit: adds r4, r0, r3 80005e0: 18c4 adds r4, r0, r3 cmp r4, r1 80005e2: 428c cmp r4, r1 bcc CopyDataInit 80005e4: d3f9 bcc.n 80005da /* Zero fill the bss segment. */ ldr r2, =_sbss 80005e6: 4a0a ldr r2, [pc, #40] @ (8000610 ) ldr r4, =_ebss 80005e8: 4c0a ldr r4, [pc, #40] @ (8000614 ) movs r3, #0 80005ea: 2300 movs r3, #0 b LoopFillZerobss 80005ec: e001 b.n 80005f2 080005ee : FillZerobss: str r3, [r2] 80005ee: 6013 str r3, [r2, #0] adds r2, r2, #4 80005f0: 3204 adds r2, #4 080005f2 : LoopFillZerobss: cmp r2, r4 80005f2: 42a2 cmp r2, r4 bcc FillZerobss 80005f4: d3fb bcc.n 80005ee /* Call static constructors */ bl __libc_init_array 80005f6: f000 f80f bl 8000618 <__libc_init_array> /* Call the application's entry point.*/ bl main 80005fa: f7ff fe0d bl 8000218

080005fe : LoopForever: b LoopForever 80005fe: e7fe b.n 80005fe ldr r0, =_estack 8000600: 20008000 .word 0x20008000 ldr r0, =_sdata 8000604: 20000000 .word 0x20000000 ldr r1, =_edata 8000608: 20000000 .word 0x20000000 ldr r2, =_sidata 800060c: 08000680 .word 0x08000680 ldr r2, =_sbss 8000610: 20000000 .word 0x20000000 ldr r4, =_ebss 8000614: 20000020 .word 0x20000020 08000618 <__libc_init_array>: 8000618: b570 push {r4, r5, r6, lr} 800061a: 4d0d ldr r5, [pc, #52] @ (8000650 <__libc_init_array+0x38>) 800061c: 4c0d ldr r4, [pc, #52] @ (8000654 <__libc_init_array+0x3c>) 800061e: 1b64 subs r4, r4, r5 8000620: 10a4 asrs r4, r4, #2 8000622: 2600 movs r6, #0 8000624: 42a6 cmp r6, r4 8000626: d109 bne.n 800063c <__libc_init_array+0x24> 8000628: 4d0b ldr r5, [pc, #44] @ (8000658 <__libc_init_array+0x40>) 800062a: 4c0c ldr r4, [pc, #48] @ (800065c <__libc_init_array+0x44>) 800062c: f000 f818 bl 8000660 <_init> 8000630: 1b64 subs r4, r4, r5 8000632: 10a4 asrs r4, r4, #2 8000634: 2600 movs r6, #0 8000636: 42a6 cmp r6, r4 8000638: d105 bne.n 8000646 <__libc_init_array+0x2e> 800063a: bd70 pop {r4, r5, r6, pc} 800063c: f855 3b04 ldr.w r3, [r5], #4 8000640: 4798 blx r3 8000642: 3601 adds r6, #1 8000644: e7ee b.n 8000624 <__libc_init_array+0xc> 8000646: f855 3b04 ldr.w r3, [r5], #4 800064a: 4798 blx r3 800064c: 3601 adds r6, #1 800064e: e7f2 b.n 8000636 <__libc_init_array+0x1e> 8000650: 08000678 .word 0x08000678 8000654: 08000678 .word 0x08000678 8000658: 08000678 .word 0x08000678 800065c: 0800067c .word 0x0800067c 08000660 <_init>: 8000660: b5f8 push {r3, r4, r5, r6, r7, lr} 8000662: bf00 nop 8000664: bcf8 pop {r3, r4, r5, r6, r7} 8000666: bc08 pop {r3} 8000668: 469e mov lr, r3 800066a: 4770 bx lr 0800066c <_fini>: 800066c: b5f8 push {r3, r4, r5, r6, r7, lr} 800066e: bf00 nop 8000670: bcf8 pop {r3, r4, r5, r6, r7} 8000672: bc08 pop {r3} 8000674: 469e mov lr, r3 8000676: 4770 bx lr