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- #ifndef ULTRASONIC_H
- #define ULTRASONIC_H
- #include <Arduino.h>
- #include <inttypes.h>
- #define US_RX_0_PIN 2
- #define US_RX_1_PIN 3
- #define US_TX_0_PIN 4
- enum usState_t {
- idle,
- rxPending,
- counting,
- finished
- };
- struct usData_t {
- uint16_t pulseStart;
- uint16_t duration;
- enum usState_t state;
- };
- void us_init();
- void us_transmit();
- long us_get_duration(byte sensor);
- #endif
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