diff options
author | Andrew Tridgell <tridge@samba.org> | 2013-12-07 22:45:10 +1100 |
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committer | Lorenz Meier <lm@inf.ethz.ch> | 2013-12-10 11:38:10 +0100 |
commit | 5a88dc02a7a7e6386f3987794afd8e3881abe0b3 (patch) | |
tree | f3225930fb13e2ebc1bdec12cb70d1e12cbb8c4b /src | |
parent | 5ee41bc0835df045593cba50d90ef004cfec3167 (diff) | |
download | px4-firmware-5a88dc02a7a7e6386f3987794afd8e3881abe0b3.tar.gz px4-firmware-5a88dc02a7a7e6386f3987794afd8e3881abe0b3.tar.bz2 px4-firmware-5a88dc02a7a7e6386f3987794afd8e3881abe0b3.zip |
l3gd20: use register_class_devname()
Diffstat (limited to 'src')
-rw-r--r-- | src/drivers/l3gd20/l3gd20.cpp | 37 |
1 files changed, 20 insertions, 17 deletions
diff --git a/src/drivers/l3gd20/l3gd20.cpp b/src/drivers/l3gd20/l3gd20.cpp index a27bc5280..78a086b11 100644 --- a/src/drivers/l3gd20/l3gd20.cpp +++ b/src/drivers/l3gd20/l3gd20.cpp @@ -66,6 +66,8 @@ #include <board_config.h> #include <mathlib/math/filter/LowPassFilter2p.hpp> +#define L3GD20_DEVICE_PATH "/dev/l3gd20" + /* oddly, ERROR is not defined for c++ */ #ifdef ERROR # undef ERROR @@ -199,6 +201,7 @@ private: float _gyro_range_scale; float _gyro_range_rad_s; orb_advert_t _gyro_topic; + int _class_instance; unsigned _current_rate; unsigned _orientation; @@ -317,6 +320,7 @@ L3GD20::L3GD20(int bus, const char* path, spi_dev_e device) : _gyro_range_scale(0.0f), _gyro_range_rad_s(0.0f), _gyro_topic(-1), + _class_instance(-1), _current_rate(0), _orientation(SENSOR_BOARD_ROTATION_270_DEG), _read(0), @@ -346,6 +350,9 @@ L3GD20::~L3GD20() if (_reports != nullptr) delete _reports; + if (_class_instance != -1) + unregister_class_devname(GYRO_DEVICE_PATH, _class_instance); + /* delete the perf counter */ perf_free(_sample_perf); } @@ -365,17 +372,13 @@ L3GD20::init() if (_reports == nullptr) goto out; - /* try to claim the generic accel node as well - it's OK if we fail at this */ - ret = register_driver(GYRO_DEVICE_PATH, &fops, 0666, (void *)this); - - if (ret == OK) { - log("default gyro device"); - } - - /* advertise sensor topic */ - struct gyro_report zero_report; - memset(&zero_report, 0, sizeof(zero_report)); - _gyro_topic = orb_advertise(ORB_ID(sensor_gyro), &zero_report); + _class_instance = register_class_devname(GYRO_DEVICE_PATH); + if (_class_instance == CLASS_DEVICE_PRIMARY) { + /* advertise sensor topic */ + struct gyro_report zero_report; + memset(&zero_report, 0, sizeof(zero_report)); + _gyro_topic = orb_advertise(ORB_ID(sensor_gyro), &zero_report); + } reset(); @@ -743,7 +746,7 @@ L3GD20::reset() /* set default configuration */ write_reg(ADDR_CTRL_REG1, REG1_POWER_NORMAL | REG1_Z_ENABLE | REG1_Y_ENABLE | REG1_X_ENABLE); write_reg(ADDR_CTRL_REG2, 0); /* disable high-pass filters */ - write_reg(ADDR_CTRL_REG3, 0); /* no interrupts - we don't use them */ + write_reg(ADDR_CTRL_REG3, 0); /* no interrupts - we don't use them */ write_reg(ADDR_CTRL_REG4, REG4_BDU); write_reg(ADDR_CTRL_REG5, 0); @@ -922,7 +925,7 @@ start() errx(0, "already started"); /* create the driver */ - g_dev = new L3GD20(1 /* XXX magic number */, GYRO_DEVICE_PATH, (spi_dev_e)PX4_SPIDEV_GYRO); + g_dev = new L3GD20(1 /* SPI bus 1 */, L3GD20_DEVICE_PATH, (spi_dev_e)PX4_SPIDEV_GYRO); if (g_dev == nullptr) goto fail; @@ -931,7 +934,7 @@ start() goto fail; /* set the poll rate to default, starts automatic data collection */ - fd = open(GYRO_DEVICE_PATH, O_RDONLY); + fd = open(L3GD20_DEVICE_PATH, O_RDONLY); if (fd < 0) goto fail; @@ -963,10 +966,10 @@ test() ssize_t sz; /* get the driver */ - fd_gyro = open(GYRO_DEVICE_PATH, O_RDONLY); + fd_gyro = open(L3GD20_DEVICE_PATH, O_RDONLY); if (fd_gyro < 0) - err(1, "%s open failed", GYRO_DEVICE_PATH); + err(1, "%s open failed", L3GD20_DEVICE_PATH); /* reset to manual polling */ if (ioctl(fd_gyro, SENSORIOCSPOLLRATE, SENSOR_POLLRATE_MANUAL) < 0) @@ -999,7 +1002,7 @@ test() void reset() { - int fd = open(GYRO_DEVICE_PATH, O_RDONLY); + int fd = open(L3GD20_DEVICE_PATH, O_RDONLY); if (fd < 0) err(1, "failed "); |