Merge pull request #670 from PX4/airspeed_path_fix

Fix airspeed sensor

src/drivers/airspeed/airspeed.cpp

@@ -76,8 +76,8 @@
 
 #include <drivers/airspeed/airspeed.h>
 
-Airspeed::Airspeed(int bus, int address, unsigned conversion_interval) :
-	I2C("Airspeed", AIRSPEED_DEVICE_PATH, bus, address, 100000),
+Airspeed::Airspeed(int bus, int address, unsigned conversion_interval, const char* path) :
+	I2C("Airspeed", path, bus, address, 100000),
 	_reports(nullptr),
 	_buffer_overflows(perf_alloc(PC_COUNT, "airspeed_buffer_overflows")),
 	_max_differential_pressure_pa(0),

src/drivers/airspeed/airspeed.h

@@ -90,7 +90,7 @@ static const int ERROR = -1;
 class __EXPORT Airspeed : public device::I2C
 {
 public:
-	Airspeed(int bus, int address, unsigned conversion_interval);
+	Airspeed(int bus, int address, unsigned conversion_interval, const char* path);
 	virtual ~Airspeed();
 
 	virtual int	init();

src/drivers/ets_airspeed/ets_airspeed.cpp

@@ -77,6 +77,7 @@
 
 /* I2C bus address */
 #define I2C_ADDRESS	0x75	/* 7-bit address. 8-bit address is 0xEA */
+#define ETS_PATH	"/dev/ets_airspeed"
 
 /* Register address */
 #define READ_CMD	0x07	/* Read the data */
@@ -93,7 +94,7 @@
 class ETSAirspeed : public Airspeed
 {
 public:
-	ETSAirspeed(int bus, int address = I2C_ADDRESS);
+	ETSAirspeed(int bus, int address = I2C_ADDRESS, const char* path = ETS_PATH);
 
 protected:
 
@@ -112,8 +113,8 @@ protected:
  */
 extern "C" __EXPORT int ets_airspeed_main(int argc, char *argv[]);
 
-ETSAirspeed::ETSAirspeed(int bus, int address) : Airspeed(bus, address,
-	CONVERSION_INTERVAL)
+ETSAirspeed::ETSAirspeed(int bus, int address, const char* path) : Airspeed(bus, address,
+	CONVERSION_INTERVAL, path)
 {
 
 }

src/drivers/meas_airspeed/meas_airspeed.cpp

@@ -89,8 +89,10 @@
 
 /* I2C bus address is 1010001x */
 #define I2C_ADDRESS_MS4525DO	0x28	//0x51 /* 7-bit address. */
+#define PATH_MS4525		"/dev/ms4525"
 /* The MS5525DSO address is 111011Cx, where C is the complementary value of the pin CSB */
 #define I2C_ADDRESS_MS5525DSO	0x77	//0x77/* 7-bit address, addr. pin pulled low */
+#define PATH_MS5525		"/dev/ms5525"
 
 /* Register address */
 #define ADDR_READ_MR			0x00	/* write to this address to start conversion */
@@ -101,7 +103,7 @@
 class MEASAirspeed : public Airspeed
 {
 public:
-	MEASAirspeed(int bus, int address = I2C_ADDRESS_MS4525DO);
+	MEASAirspeed(int bus, int address = I2C_ADDRESS_MS4525DO, const char* path = PATH_MS4525);
 
 protected:
 
@@ -120,8 +122,8 @@ protected:
  */
 extern "C" __EXPORT int meas_airspeed_main(int argc, char *argv[]);
 
-MEASAirspeed::MEASAirspeed(int bus, int address) : Airspeed(bus, address,
-			CONVERSION_INTERVAL)
+MEASAirspeed::MEASAirspeed(int bus, int address, const char* path) : Airspeed(bus, address,
+			CONVERSION_INTERVAL, path)
 {
 
 }
@@ -304,7 +306,7 @@ start(int i2c_bus)
 		errx(1, "already started");
 
 	/* create the driver, try the MS4525DO first */
-	g_dev = new MEASAirspeed(i2c_bus, I2C_ADDRESS_MS4525DO);
+	g_dev = new MEASAirspeed(i2c_bus, I2C_ADDRESS_MS4525DO, PATH_MS4525);
 
 	/* check if the MS4525DO was instantiated */
 	if (g_dev == nullptr)
@@ -313,7 +315,7 @@ start(int i2c_bus)
 	/* try the MS5525DSO next if init fails */
 	if (OK != g_dev->Airspeed::init()) {
 		delete g_dev;
-		g_dev = new MEASAirspeed(i2c_bus, I2C_ADDRESS_MS5525DSO);
+		g_dev = new MEASAirspeed(i2c_bus, I2C_ADDRESS_MS5525DSO, PATH_MS5525);
 
 		/* check if the MS5525DSO was instantiated */
 		if (g_dev == nullptr)