aboutsummaryrefslogtreecommitdiff
path: root/src/drivers/hmc5883/hmc5883.cpp
diff options
context:
space:
mode:
authorLorenz Meier <lm@inf.ethz.ch>2014-11-26 07:56:54 +0100
committerLorenz Meier <lm@inf.ethz.ch>2014-11-26 07:56:54 +0100
commit6200a3e3a5f24f40ff9da8b3fb366b7014656941 (patch)
tree5fc03991b903894d869125af757954de92331279 /src/drivers/hmc5883/hmc5883.cpp
parent034d0a6a610c8838d6c43b51a4401ce818b77624 (diff)
parentcbcd1ea1d143dfddd2331fb14d17d7be48fa8b6f (diff)
downloadpx4-firmware-6200a3e3a5f24f40ff9da8b3fb366b7014656941.tar.gz
px4-firmware-6200a3e3a5f24f40ff9da8b3fb366b7014656941.tar.bz2
px4-firmware-6200a3e3a5f24f40ff9da8b3fb366b7014656941.zip
Added TeraRanger one sensor
Diffstat (limited to 'src/drivers/hmc5883/hmc5883.cpp')
-rw-r--r--src/drivers/hmc5883/hmc5883.cpp52
1 files changed, 16 insertions, 36 deletions
diff --git a/src/drivers/hmc5883/hmc5883.cpp b/src/drivers/hmc5883/hmc5883.cpp
index 0e9a961ac..81f767965 100644
--- a/src/drivers/hmc5883/hmc5883.cpp
+++ b/src/drivers/hmc5883/hmc5883.cpp
@@ -1049,11 +1049,9 @@ int HMC5883::calibrate(struct file *filp, unsigned enable)
* LSM/Ga, giving 1.16 and 1.08 */
float expected_cal[3] = { 1.16f, 1.08f, 1.08f };
- warnx("starting mag scale calibration");
-
/* start the sensor polling at 50 Hz */
if (OK != ioctl(filp, SENSORIOCSPOLLRATE, 50)) {
- warn("failed to set 2Hz poll rate");
+ warn("FAILED: SENSORIOCSPOLLRATE 2Hz");
ret = 1;
goto out;
}
@@ -1061,25 +1059,25 @@ int HMC5883::calibrate(struct file *filp, unsigned enable)
/* Set to 2.5 Gauss. We ask for 3 to get the right part of
* the chained if statement above. */
if (OK != ioctl(filp, MAGIOCSRANGE, 3)) {
- warnx("failed to set 2.5 Ga range");
+ warnx("FAILED: MAGIOCSRANGE 3.3 Ga");
ret = 1;
goto out;
}
if (OK != ioctl(filp, MAGIOCEXSTRAP, 1)) {
- warnx("failed to enable sensor calibration mode");
+ warnx("FAILED: MAGIOCEXSTRAP 1");
ret = 1;
goto out;
}
if (OK != ioctl(filp, MAGIOCGSCALE, (long unsigned int)&mscale_previous)) {
- warn("WARNING: failed to get scale / offsets for mag");
+ warn("FAILED: MAGIOCGSCALE 1");
ret = 1;
goto out;
}
if (OK != ioctl(filp, MAGIOCSSCALE, (long unsigned int)&mscale_null)) {
- warn("WARNING: failed to set null scale / offsets for mag");
+ warn("FAILED: MAGIOCSSCALE 1");
ret = 1;
goto out;
}
@@ -1094,7 +1092,7 @@ int HMC5883::calibrate(struct file *filp, unsigned enable)
ret = ::poll(&fds, 1, 2000);
if (ret != 1) {
- warn("timed out waiting for sensor data");
+ warn("ERROR: TIMEOUT 1");
goto out;
}
@@ -1102,7 +1100,7 @@ int HMC5883::calibrate(struct file *filp, unsigned enable)
sz = ::read(fd, &report, sizeof(report));
if (sz != sizeof(report)) {
- warn("periodic read failed");
+ warn("ERROR: READ 1");
ret = -EIO;
goto out;
}
@@ -1118,7 +1116,7 @@ int HMC5883::calibrate(struct file *filp, unsigned enable)
ret = ::poll(&fds, 1, 2000);
if (ret != 1) {
- warn("timed out waiting for sensor data");
+ warn("ERROR: TIMEOUT 2");
goto out;
}
@@ -1126,7 +1124,7 @@ int HMC5883::calibrate(struct file *filp, unsigned enable)
sz = ::read(fd, &report, sizeof(report));
if (sz != sizeof(report)) {
- warn("periodic read failed");
+ warn("ERROR: READ 2");
ret = -EIO;
goto out;
}
@@ -1142,33 +1140,19 @@ int HMC5883::calibrate(struct file *filp, unsigned enable)
sum_excited[1] += cal[1];
sum_excited[2] += cal[2];
}
-
- //warnx("periodic read %u", i);
- //warnx("measurement: %.6f %.6f %.6f", (double)report.x, (double)report.y, (double)report.z);
- //warnx("cal: %.6f %.6f %.6f", (double)cal[0], (double)cal[1], (double)cal[2]);
}
if (good_count < 5) {
- warn("failed calibration");
ret = -EIO;
goto out;
}
-#if 0
- warnx("measurement avg: %.6f %.6f %.6f",
- (double)sum_excited[0]/good_count,
- (double)sum_excited[1]/good_count,
- (double)sum_excited[2]/good_count);
-#endif
-
float scaling[3];
scaling[0] = sum_excited[0] / good_count;
scaling[1] = sum_excited[1] / good_count;
scaling[2] = sum_excited[2] / good_count;
- warnx("axes scaling: %.6f %.6f %.6f", (double)scaling[0], (double)scaling[1], (double)scaling[2]);
-
/* set scaling in device */
mscale_previous.x_scale = scaling[0];
mscale_previous.y_scale = scaling[1];
@@ -1179,29 +1163,26 @@ int HMC5883::calibrate(struct file *filp, unsigned enable)
out:
if (OK != ioctl(filp, MAGIOCSSCALE, (long unsigned int)&mscale_previous)) {
- warn("failed to set new scale / offsets for mag");
+ warn("FAILED: MAGIOCSSCALE 2");
}
/* set back to normal mode */
/* Set to 1.1 Gauss */
if (OK != ::ioctl(fd, MAGIOCSRANGE, 1)) {
- warnx("failed to set 1.1 Ga range");
+ warnx("FAILED: MAGIOCSRANGE 1.1 Ga");
}
if (OK != ::ioctl(fd, MAGIOCEXSTRAP, 0)) {
- warnx("failed to disable sensor calibration mode");
+ warnx("FAILED: MAGIOCEXSTRAP 0");
}
if (ret == OK) {
- if (!check_scale()) {
- warnx("mag scale calibration successfully finished.");
- } else {
- warnx("mag scale calibration finished with invalid results.");
+ if (check_scale()) {
+ /* failed */
+ warnx("FAILED: SCALE");
ret = ERROR;
}
- } else {
- warnx("mag scale calibration failed.");
}
return ret;
@@ -1283,14 +1264,13 @@ int HMC5883::set_excitement(unsigned enable)
if (OK != ret)
perf_count(_comms_errors);
+ _conf_reg &= ~0x03; // reset previous excitement mode
if (((int)enable) < 0) {
_conf_reg |= 0x01;
} else if (enable > 0) {
_conf_reg |= 0x02;
- } else {
- _conf_reg &= ~0x03;
}
// ::printf("set_excitement enable=%d regA=0x%x\n", (int)enable, (unsigned)_conf_reg);