sandbox/blue-pill/draugr/blink.cc

23 lines
480 B
C++

#include "bluepill.h"
constexpr uint32_t LED = 13;
constexpr unsigned long SDELAY = 100000;
constexpr unsigned long LDELAY = (SDELAY * 10) - (3 * SDELAY);
int
main() {
GPIO_C->enable_clock();
GPIO_C->pin_mode(LED, true, OUTPUT_GPP, OUTPUT_MAX_2MHZ);
while (true) {
GPIO_C->pin_clear(LED);
delay(LDELAY);
GPIO_C->pin_set(LED);
delay(SDELAY);
GPIO_C->pin_clear(LED);
delay(SDELAY);
GPIO_C->pin_set(LED);
delay(SDELAY);
}
}