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the led_on does not random abort
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@ -0,0 +1,6 @@
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use follow command to run this program
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start OpenOCD,then do this
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> reset halt
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> load_image /path/to/led_on 0
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> resume
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@ -1,9 +1,17 @@
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.global _start
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.globl _start
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_start:
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_start: b start_code
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start_code:
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ldr sp,=1024*4
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ldr sp,=1024*4
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.extern main
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/* turn off the watchdog */
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bl main
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# define pWTCON 0x53000000
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ldr r0, =pWTCON
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mov r1, #0x0
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str r1, [r0]
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.extern blink_led
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bl blink_led
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.global delay
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.global delay
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delay:
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delay:
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subs r0,r0,#0x1
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subs r0,r0,#0x1
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@ -8,7 +8,7 @@
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extern void delay(int time);
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extern void delay(int time);
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int main()
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int blink_led()
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{
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{
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GPBCON = 0x5;
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GPBCON = 0x5;
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GPBDW = 0xffff;
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GPBDW = 0xffff;
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