#include <bcm.h>
#include <mem.h>
#include <stdbool.h>

void gilbraltar_led(bool s) {
  uint32_t reg = read32(ARM_GPIO2_DATA0);

  if (s)
    reg |= 0x200; // set bit 9 to 1
  else
    reg &= ~0x200; // set bit 9 to 0

  write32(ARM_GPIO2_DATA0, reg);
}