e5l
31 lines
789 B
C
31 lines
789 B
C
#pragma once
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#include <stdint.h>
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/*
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* Pins commutation:
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* MCU | URM37 | Servo |
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* ----------------------------
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* PC11 | TXD | - |
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* PC10 | RXD | - |
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* GND | GND | - |
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* NRST | NRST | - |
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* 5V | +5V | - |
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* - | MOTO | Orange |
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* GND | - | Brown |
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* 5V | - | Red |
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*/
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#define CAR_SONAR_DIST_ERR 0xffff
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void car_sonar_init(void);
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// returns CAR_SONAR_DIST_ERR on error
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// else distance in centimeters
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uint16_t car_sonar_get_dist(uint8_t rot_degree);
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uint32_t car_sonar_get_measurement_total();
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uint32_t car_sonar_get_measurement_failed_checksum();
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uint32_t car_sonar_get_measurement_failed_distance();
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uint32_t car_sonar_get_measurement_failed_command();
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