This commit is contained in:
Simon Wilks
2013-04-22 08:51:49 +02:00
parent 48f815860b
commit 715e3e2ebe
3 changed files with 19 additions and 30 deletions
-14
View File
@@ -46,20 +46,6 @@
#define AIRSPEED_DEVICE_PATH "/dev/airspeed"
/**
* Airspeed report structure. Reads from the device must be in multiples of this
* structure.
*/
//struct airspeed_report {
// uint64_t timestamp;
// uint8_t diff_pressure; /** differential pressure in Pa */
//};
/*
* ObjDev tag for raw range finder data.
*/
//ORB_DECLARE(sensor_differential_pressure);
/*
* ioctl() definitions
*
+10 -7
View File
@@ -74,20 +74,22 @@
#include <uORB/topics/subsystem_info.h>
/* Configuration Constants */
#define I2C_BUS PX4_I2C_BUS_ESC
#define I2C_BUS PX4_I2C_BUS_ESC // XXX Replace with PX4_I2C_BUS_EXPANSION before submitting.
#define I2C_ADDRESS 0x75
/* ETS_AIRSPEED Registers addresses */
#define READ_CMD 0x07 /* Read the data */
/* Max measurement rate is 100Hz */
/* Measurement rate is 100Hz */
#define CONVERSION_INTERVAL (1000000 / 100) /* microseconds */
/* The Eagle Tree Airspeed V3 can only provide accurate readings
for speeds from 15km/h upwards. */
/**
* The Eagle Tree Airspeed V3 can only provide accurate readings
* for speeds from 15km/h upwards.
*/
#define MIN_ACCURATE_DIFF_PRES_PA 12
/* oddly, ERROR is not defined for c++ */
/* Oddly, ERROR is not defined for C++ */
#ifdef ERROR
# undef ERROR
#endif
@@ -109,8 +111,8 @@ public:
virtual int ioctl(struct file *filp, int cmd, unsigned long arg);
/**
* Diagnostics - print some basic information about the driver.
*/
* Diagnostics - print some basic information about the driver.
*/
void print_info();
protected:
@@ -163,6 +165,7 @@ private:
void cycle();
int measure();
int collect();
/**
* Static trampoline from the workq context; because we don't have a
* generic workq wrapper yet.