23 lines
450 B
C
23 lines
450 B
C
#ifndef DELAY_H
|
|
#define DELAY_H
|
|
|
|
#ifndef F_CPU
|
|
#warning "F_CPU not defined, using 2MHz by default"
|
|
#define F_CPU 2000000UL
|
|
#endif
|
|
|
|
#include <stdint.h>
|
|
|
|
inline void delay_ms(uint32_t ms) {
|
|
for (uint32_t i = 0; i < ((F_CPU / 18 / 1000UL) * ms); i++) {
|
|
__asm__("nop");
|
|
}
|
|
}
|
|
|
|
inline void delay_us(uint32_t us) {
|
|
for (uint32_t i = 0; i < ((F_CPU / 18 /1000UL / 1000UL) * us); i++) {
|
|
__asm__("nop");
|
|
}
|
|
}
|
|
|
|
#endif /* DELAY_H */ |