20 lines
379 B
C
20 lines
379 B
C
#include "delay.h"
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void __attribute__((naked))
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Delay(uint32_t count) {
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__asm(" subs r0, #1\n"
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" bne Delay\n"
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" bx lr");
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}
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// 1us tuned at 48 MHz
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void Delay1us(uint32_t n) {
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for (n = (382 * n) / 100; n; n--) {}
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}
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// 1 msec, tuned at 48 MHz
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void Delay1ms(uint32_t n) {
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for (; n; n--) {
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Delay(48000000 / 9162);
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}
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} |