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AP_RangeFinder: have two instances on all platforms

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rover needs two sonars for obstacle avoidance
This commit is contained in:
Andrew Tridgell 2014-06-27 13:18:54 +10:00
parent bfe705a14d
commit 22b9059647
1 changed files with 2 additions and 10 deletions
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12
libraries/AP_RangeFinder/RangeFinder.h
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@ -22,11 +22,7 @@
#include <AP_Param.h>
// Maximum number of range finder instances available on this platform
#if HAL_CPU_CLASS >= HAL_CPU_CLASS_75
#define RANGEFINDER_MAX_INSTANCES 2
#else
#define RANGEFINDER_MAX_INSTANCES 1
#endif
class AP_RangeFinder_Backend;
@ -91,11 +87,7 @@ public:
// 10Hz from main loop
void update(void);
#if RANGEFINDER_MAX_INSTANCES == 1
# define _RangeFinder_STATE(instance) state[0]
#else
# define _RangeFinder_STATE(instance) state[instance]
#endif
#define _RangeFinder_STATE(instance) state[instance]
uint16_t distance_cm(uint8_t instance) const {
return _RangeFinder_STATE(instance).distance_cm;
@ -126,7 +118,7 @@ public:
}
bool healthy(uint8_t instance) const {
return _RangeFinder_STATE(instance).healthy;
return instance < num_instances && _RangeFinder_STATE(instance).healthy;
}
bool healthy() const {
return healthy(primary_instance);