23 lines
350 B
C
23 lines
350 B
C
#include <stdint.h>
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#define GPIO_BASE 0x40000000u
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static volatile uint32_t * const gpio = (volatile uint32_t *)GPIO_BASE;
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static void delay(volatile uint32_t ticks){
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while (ticks--) {
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__asm__ volatile ("nop");
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}
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}
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int main(void)
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{
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uint32_t v = 0;
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for (;;) {
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*gpio = v;
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v++;
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delay(20000u);
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}
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}
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