Paparazzi UAS  v5.0.5_stable-7-g4b8bbb7
Paparazzi is a free software Unmanned Aircraft System.
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sonar_adc.h
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1 /*
2  * Copyright (C) 2010 Gautier Hattenberger
3  *
4  * This file is part of paparazzi.
5  *
6  * paparazzi is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2, or (at your option)
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14  * GNU General Public License for more details.
15  *
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18  * the Free Software Foundation, 59 Temple Place - Suite 330,
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21  */
22 
27 #ifndef SONAR_ADC_H
28 #define SONAR_ADC_H
29 
30 #include "std.h"
31 
34 extern uint16_t sonar_meas;
35 
38 extern bool_t sonar_data_available;
39 
42 extern float sonar_distance;
43 
44 extern void sonar_adc_init(void);
45 extern void sonar_adc_read(void);
46 
47 #define SonarEvent(_handler) { \
48  if (sonar_data_available) { \
49  _handler(); \
50  sonar_data_available = FALSE; \
51  } \
52 }
53 
54 #endif
unsigned short uint16_t
Definition: types.h:16
void sonar_adc_read(void)
Read ADC value to update sonar measurement.
Definition: sonar_adc.c:76
float sonar_distance
Sonar distance in m.
Definition: sonar_adc.c:54
uint16_t sonar_meas
Raw ADC value.
Definition: sonar_adc.c:52
bool_t sonar_data_available
New data available.
Definition: sonar_adc.c:53
void sonar_adc_init(void)
Definition: sonar_adc.c:62