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#ifndef _RANGE_H_
#define _RANGE_H_
#define RANGE_ERR 0xFFFF
#define PIN_SONAR_PWM PIND
#define P_SONAR_PWM1 PD2
#define P_SONAR_PWM0 PD3
#define PORT_SONAR_TX PORTG
#define P_SONAR_TX PG1
void range_init();
unsigned int range_get(int which);
#endif