28 #include <mraa/gpio.h>
35 #define MAX_PERIOD 7968
36 #define TRIGGER_PULSE 10
69 HCSR04 (uint8_t triggerPin, uint8_t echoPin,
void (*fptr)(
void *));
99 mraa_pwm_context m_pwmTriggerCtx;
100 mraa_gpio_context m_echoPinCtx;
103 long m_RisingTimeStamp;
104 long m_FallingTimeStamp;
105 uint8_t m_InterruptCounter;
HCSR04(uint8_t triggerPin, uint8_t echoPin, void(*fptr)(void *))
Definition: hcsr04.cxx:34
~HCSR04()
Definition: hcsr04.cxx:55
uint8_t m_doWork
Definition: hcsr04.h:88
void ackEdgeDetected()
Definition: hcsr04.cxx:82
std::string name()
Definition: hcsr04.h:93
int getDistance()
Definition: hcsr04.cxx:66
API for the HC-SR04 Ultrasonic Sensor.
Definition: hcsr04.h:59