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AP_RangeFinder: make MaxsonarSerialLV backend use new intermediate class

This commit is contained in:
Peter Barker 2019-11-01 17:29:03 +11:00 committed by Peter Barker
parent ff7c5af437
commit 0246dd990e
2 changed files with 5 additions and 40 deletions
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33
libraries/AP_RangeFinder/AP_RangeFinder_MaxsonarSerialLV.cpp
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@ -15,42 +15,15 @@
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <AP_HAL/AP_HAL.h>
#include <AP_SerialManager/AP_SerialManager.h>
#include <ctype.h>
#include "AP_RangeFinder_MaxsonarSerialLV.h"
#include <AP_HAL/AP_HAL.h>
#include <ctype.h>
#define MAXSONAR_SERIAL_LV_BAUD_RATE 9600
extern const AP_HAL::HAL& hal;
/*
The constructor also initialises the rangefinder. Note that this
constructor is not called until detect() returns true, so we
already know that we should setup the rangefinder
*/
AP_RangeFinder_MaxsonarSerialLV::AP_RangeFinder_MaxsonarSerialLV(RangeFinder::RangeFinder_State &_state,
AP_RangeFinder_Params &_params,
uint8_t serial_instance) :
AP_RangeFinder_Backend(_state, _params)
{
const AP_SerialManager &serial_manager = AP::serialmanager();
uart = serial_manager.find_serial(AP_SerialManager::SerialProtocol_Rangefinder, serial_instance);
if (uart != nullptr) {
uart->begin(serial_manager.find_baudrate(AP_SerialManager::SerialProtocol_Rangefinder, serial_instance));
}
}
/*
detect if a MaxSonar rangefinder is connected. We'll detect by
trying to take a reading on Serial. If we get a result the sensor is
there.
*/
bool AP_RangeFinder_MaxsonarSerialLV::detect(uint8_t serial_instance)
{
return AP::serialmanager().find_serial(AP_SerialManager::SerialProtocol_Rangefinder, serial_instance) != nullptr;
}
// read - return last value measured by sensor
bool AP_RangeFinder_MaxsonarSerialLV::get_reading(uint16_t &reading_cm)
{

12
libraries/AP_RangeFinder/AP_RangeFinder_MaxsonarSerialLV.h
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@ -1,19 +1,12 @@
#pragma once
#include "RangeFinder.h"
#include "RangeFinder_Backend.h"
#include "RangeFinder_Backend_Serial.h"
class AP_RangeFinder_MaxsonarSerialLV : public AP_RangeFinder_Backend
class AP_RangeFinder_MaxsonarSerialLV : public AP_RangeFinder_Backend_Serial
{
public:
// constructor
AP_RangeFinder_MaxsonarSerialLV(RangeFinder::RangeFinder_State &_state,
AP_RangeFinder_Params &_params,
uint8_t serial_instance);
// static detection function
static bool detect(uint8_t serial_instance);
// update state
void update(void) override;
@ -28,7 +21,6 @@ private:
// get a reading
bool get_reading(uint16_t &reading_cm);
AP_HAL::UARTDriver *uart = nullptr;
char linebuf[10];
uint8_t linebuf_len = 0;
};