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-rw-r--r--src/modules/systemlib/mixer/mixer.h3
-rw-r--r--src/modules/systemlib/mixer/mixer_load.c1
-rw-r--r--src/modules/systemlib/mixer/mixer_multirotor.cpp112
-rwxr-xr-xsrc/modules/systemlib/mixer/multi_tables15
-rw-r--r--src/modules/systemlib/param/param.c64
-rw-r--r--src/modules/systemlib/perf_counter.c16
-rw-r--r--src/modules/systemlib/perf_counter.h14
-rw-r--r--src/modules/systemlib/pid/pid.c2
-rw-r--r--src/modules/systemlib/pwm_limit/pwm_limit.c14
-rw-r--r--src/modules/systemlib/rc_check.c2
10 files changed, 122 insertions, 121 deletions
diff --git a/src/modules/systemlib/mixer/mixer.h b/src/modules/systemlib/mixer/mixer.h
index 1c889a811..225570fa4 100644
--- a/src/modules/systemlib/mixer/mixer.h
+++ b/src/modules/systemlib/mixer/mixer.h
@@ -447,6 +447,7 @@ public:
QUAD_WIDE, /**< quad in wide configuration */
HEX_X, /**< hex in X configuration */
HEX_PLUS, /**< hex in + configuration */
+ HEX_COX,
OCTA_X,
OCTA_PLUS,
OCTA_COX,
@@ -516,7 +517,7 @@ private:
float _roll_scale;
float _pitch_scale;
float _yaw_scale;
- float _deadband;
+ float _idle_speed;
unsigned _rotor_count;
const Rotor *_rotors;
diff --git a/src/modules/systemlib/mixer/mixer_load.c b/src/modules/systemlib/mixer/mixer_load.c
index b05273c0d..bf3428a50 100644
--- a/src/modules/systemlib/mixer/mixer_load.c
+++ b/src/modules/systemlib/mixer/mixer_load.c
@@ -41,6 +41,7 @@
#include <string.h>
#include <stdio.h>
#include <ctype.h>
+#include <systemlib/err.h>
#include "mixer_load.h"
diff --git a/src/modules/systemlib/mixer/mixer_multirotor.cpp b/src/modules/systemlib/mixer/mixer_multirotor.cpp
index bf77795d5..092c0e2b0 100644
--- a/src/modules/systemlib/mixer/mixer_multirotor.cpp
+++ b/src/modules/systemlib/mixer/mixer_multirotor.cpp
@@ -67,6 +67,11 @@
namespace
{
+float constrain(float val, float min, float max)
+{
+ return (val < min) ? min : ((val > max) ? max : val);
+}
+
/*
* These tables automatically generated by multi_tables - do not edit.
*/
@@ -110,6 +115,14 @@ const MultirotorMixer::Rotor _config_hex_plus[] = {
{ 0.866025, 0.500000, 1.00 },
{ -0.866025, -0.500000, -1.00 },
};
+const MultirotorMixer::Rotor _config_hex_cox[] = {
+ { -0.866025, 0.500000, -1.00 },
+ { -0.866025, 0.500000, 1.00 },
+ { -0.000000, -1.000000, -1.00 },
+ { -0.000000, -1.000000, 1.00 },
+ { 0.866025, 0.500000, -1.00 },
+ { 0.866025, 0.500000, 1.00 },
+};
const MultirotorMixer::Rotor _config_octa_x[] = {
{ -0.382683, 0.923880, -1.00 },
{ 0.382683, -0.923880, -1.00 },
@@ -147,6 +160,7 @@ const MultirotorMixer::Rotor *_config_index[MultirotorMixer::MAX_GEOMETRY] = {
&_config_quad_wide[0],
&_config_hex_x[0],
&_config_hex_plus[0],
+ &_config_hex_cox[0],
&_config_octa_x[0],
&_config_octa_plus[0],
&_config_octa_cox[0],
@@ -158,6 +172,7 @@ const unsigned _config_rotor_count[MultirotorMixer::MAX_GEOMETRY] = {
4, /* quad_wide */
6, /* hex_x */
6, /* hex_plus */
+ 6, /* hex_cox */
8, /* octa_x */
8, /* octa_plus */
8, /* octa_cox */
@@ -171,12 +186,12 @@ MultirotorMixer::MultirotorMixer(ControlCallback control_cb,
float roll_scale,
float pitch_scale,
float yaw_scale,
- float deadband) :
+ float idle_speed) :
Mixer(control_cb, cb_handle),
_roll_scale(roll_scale),
_pitch_scale(pitch_scale),
_yaw_scale(yaw_scale),
- _deadband(-1.0f + deadband), /* shift to output range here to avoid runtime calculation */
+ _idle_speed(-1.0f + idle_speed * 2.0f), /* shift to output range here to avoid runtime calculation */
_rotor_count(_config_rotor_count[geometry]),
_rotors(_config_index[geometry])
{
@@ -247,6 +262,9 @@ MultirotorMixer::from_text(Mixer::ControlCallback control_cb, uintptr_t cb_handl
} else if (!strcmp(geomname, "6x")) {
geometry = MultirotorMixer::HEX_X;
+ } else if (!strcmp(geomname, "6c")) {
+ geometry = MultirotorMixer::HEX_COX;
+
} else if (!strcmp(geomname, "8+")) {
geometry = MultirotorMixer::OCTA_PLUS;
@@ -276,67 +294,67 @@ MultirotorMixer::from_text(Mixer::ControlCallback control_cb, uintptr_t cb_handl
unsigned
MultirotorMixer::mix(float *outputs, unsigned space)
{
- float roll = get_control(0, 0) * _roll_scale;
+ float roll = constrain(get_control(0, 0) * _roll_scale, -1.0f, 1.0f);
//lowsyslog("roll: %d, get_control0: %d, %d\n", (int)(roll), (int)(get_control(0, 0)), (int)(_roll_scale));
- float pitch = get_control(0, 1) * _pitch_scale;
- float yaw = get_control(0, 2) * _yaw_scale;
- float thrust = get_control(0, 3);
+ float pitch = constrain(get_control(0, 1) * _pitch_scale, -1.0f, 1.0f);
+ float yaw = constrain(get_control(0, 2) * _yaw_scale, -1.0f, 1.0f);
+ float thrust = constrain(get_control(0, 3), 0.0f, 1.0f);
//lowsyslog("thrust: %d, get_control3: %d\n", (int)(thrust), (int)(get_control(0, 3)));
- float max = 0.0f;
- float fixup_scale;
+ float min_out = 0.0f;
+ float max_out = 0.0f;
+ float scale_yaw = 1.0f;
- /* use an output factor to prevent too strong control signals at low throttle */
- float min_thrust = 0.05f;
- float max_thrust = 1.0f;
- float startpoint_full_control = 0.40f;
- float output_factor;
+ /* perform initial mix pass yielding unbounded outputs, ignore yaw */
+ for (unsigned i = 0; i < _rotor_count; i++) {
+ float out = roll * _rotors[i].roll_scale +
+ pitch * _rotors[i].pitch_scale +
+ thrust;
- /* keep roll, pitch and yaw control to 0 below min thrust */
- if (thrust <= min_thrust) {
- output_factor = 0.0f;
- /* linearly increase the output factor from 0 to 1 between min_thrust and startpoint_full_control */
+ /* limit yaw if it causes outputs clipping */
+ if (out >= 0.0f && out < -yaw * _rotors[i].yaw_scale) {
+ yaw = -out / _rotors[i].yaw_scale;
+ }
- } else if (thrust < startpoint_full_control && thrust > min_thrust) {
- output_factor = (thrust / max_thrust) / (startpoint_full_control - min_thrust);
- /* and then stay at full control */
+ /* calculate min and max output values */
+ if (out < min_out) {
+ min_out = out;
+ }
+ if (out > max_out) {
+ max_out = out;
+ }
- } else {
- output_factor = max_thrust;
+ outputs[i] = out;
}
- roll *= output_factor;
- pitch *= output_factor;
- yaw *= output_factor;
-
-
- /* perform initial mix pass yielding un-bounded outputs */
- for (unsigned i = 0; i < _rotor_count; i++) {
- float tmp = roll * _rotors[i].roll_scale +
- pitch * _rotors[i].pitch_scale +
- yaw * _rotors[i].yaw_scale +
- thrust;
+ /* scale down roll/pitch controls if some outputs are negative, don't add yaw, keep total thrust */
+ if (min_out < 0.0) {
+ float scale_in = thrust / (thrust - min_out);
- if (tmp > max)
- max = tmp;
+ /* mix again with adjusted controls */
+ for (unsigned i = 0; i < _rotor_count; i++) {
+ outputs[i] = scale_in * (roll * _rotors[i].roll_scale + pitch * _rotors[i].pitch_scale) + thrust;
+ }
- outputs[i] = tmp;
+ } else {
+ /* roll/pitch mixed without limiting, add yaw control */
+ for (unsigned i = 0; i < _rotor_count; i++) {
+ outputs[i] += yaw * _rotors[i].yaw_scale;
+ }
}
- /* scale values into the -1.0 - 1.0 range */
- if (max > 1.0f) {
- fixup_scale = 2.0f / max;
+ /* scale down all outputs if some outputs are too large, reduce total thrust */
+ float scale_out;
+ if (max_out > 1.0f) {
+ scale_out = 1.0f / max_out;
} else {
- fixup_scale = 2.0f;
+ scale_out = 1.0f;
}
- for (unsigned i = 0; i < _rotor_count; i++)
- outputs[i] = -1.0f + (outputs[i] * fixup_scale);
-
- /* ensure outputs are out of the deadband */
- for (unsigned i = 0; i < _rotor_count; i++)
- if (outputs[i] < _deadband)
- outputs[i] = _deadband;
+ /* scale outputs to range _idle_speed..1, and do final limiting */
+ for (unsigned i = 0; i < _rotor_count; i++) {
+ outputs[i] = constrain(_idle_speed + (outputs[i] * (1.0f - _idle_speed) * scale_out), _idle_speed, 1.0f);
+ }
return _rotor_count;
}
diff --git a/src/modules/systemlib/mixer/multi_tables b/src/modules/systemlib/mixer/multi_tables
index 050bf2f47..b5698036e 100755
--- a/src/modules/systemlib/mixer/multi_tables
+++ b/src/modules/systemlib/mixer/multi_tables
@@ -52,6 +52,15 @@ set hex_plus {
120 CW
}
+set hex_cox {
+ 60 CW
+ 60 CCW
+ 180 CW
+ 180 CCW
+ -60 CW
+ -60 CCW
+}
+
set octa_x {
22.5 CW
-157.5 CW
@@ -85,7 +94,7 @@ set octa_cox {
-135 CW
}
-set tables {quad_x quad_plus quad_v quad_wide hex_x hex_plus octa_x octa_plus octa_cox}
+set tables {quad_x quad_plus quad_v quad_wide hex_x hex_plus hex_cox octa_x octa_plus octa_cox}
proc factors {a d} { puts [format "\t{ %9.6f, %9.6f, %5.2f }," [rcos [expr $a + 90]] [rcos $a] [expr -$d]]}
@@ -104,13 +113,13 @@ foreach table $tables {
puts "};"
}
-puts "const MultirotorMixer::Rotor *_config_index\[MultirotorMixer::Geometry::MAX_GEOMETRY\] = {"
+puts "const MultirotorMixer::Rotor *_config_index\[MultirotorMixer::MAX_GEOMETRY\] = {"
foreach table $tables {
puts [format "\t&_config_%s\[0\]," $table]
}
puts "};"
-puts "const unsigned _config_rotor_count\[MultirotorMixer::Geometry::MAX_GEOMETRY\] = {"
+puts "const unsigned _config_rotor_count\[MultirotorMixer::MAX_GEOMETRY\] = {"
foreach table $tables {
upvar #0 $table angles
puts [format "\t%u, /* %s */" [expr [llength $angles] / 2] $table]
diff --git a/src/modules/systemlib/param/param.c b/src/modules/systemlib/param/param.c
index 2d773fd25..7a499ca72 100644
--- a/src/modules/systemlib/param/param.c
+++ b/src/modules/systemlib/param/param.c
@@ -521,73 +521,15 @@ param_save_default(void)
return ERROR;
}
- if (res == OK) {
- res = param_export(fd, false);
+ res = param_export(fd, false);
- if (res != OK) {
- warnx("failed to write parameters to file: %s", filename);
- }
+ if (res != OK) {
+ warnx("failed to write parameters to file: %s", filename);
}
close(fd);
return res;
-
-#if 0
- const char *filename_tmp = malloc(strlen(filename) + 5);
- sprintf(filename_tmp, "%s.tmp", filename);
-
- /* delete temp file if exist */
- res = unlink(filename_tmp);
-
- if (res != OK && errno == ENOENT)
- res = OK;
-
- if (res != OK)
- warn("failed to delete temp file: %s", filename_tmp);
-
- if (res == OK) {
- /* write parameters to temp file */
- fd = open(filename_tmp, O_WRONLY | O_CREAT | O_EXCL);
-
- if (fd < 0) {
- warn("failed to open temp file: %s", filename_tmp);
- res = ERROR;
- }
-
- if (res == OK) {
- res = param_export(fd, false);
-
- if (res != OK)
- warnx("failed to write parameters to file: %s", filename_tmp);
- }
-
- close(fd);
- }
-
- if (res == OK) {
- /* delete parameters file */
- res = unlink(filename);
-
- if (res != OK && errno == ENOENT)
- res = OK;
-
- if (res != OK)
- warn("failed to delete parameters file: %s", filename);
- }
-
- if (res == OK) {
- /* rename temp file to parameters */
- res = rename(filename_tmp, filename);
-
- if (res != OK)
- warn("failed to rename %s to %s", filename_tmp, filename);
- }
-
- free(filename_tmp);
-
- return res;
-#endif
}
/**
diff --git a/src/modules/systemlib/perf_counter.c b/src/modules/systemlib/perf_counter.c
index b4ca0ed3e..22182e39e 100644
--- a/src/modules/systemlib/perf_counter.c
+++ b/src/modules/systemlib/perf_counter.c
@@ -282,12 +282,18 @@ perf_reset(perf_counter_t handle)
void
perf_print_counter(perf_counter_t handle)
{
+ perf_print_counter_fd(0, handle);
+}
+
+void
+perf_print_counter_fd(int fd, perf_counter_t handle)
+{
if (handle == NULL)
return;
switch (handle->type) {
case PC_COUNT:
- printf("%s: %llu events\n",
+ dprintf(fd, "%s: %llu events\n",
handle->name,
((struct perf_ctr_count *)handle)->event_count);
break;
@@ -295,7 +301,7 @@ perf_print_counter(perf_counter_t handle)
case PC_ELAPSED: {
struct perf_ctr_elapsed *pce = (struct perf_ctr_elapsed *)handle;
- printf("%s: %llu events, %lluus elapsed, %llu avg, min %lluus max %lluus\n",
+ dprintf(fd, "%s: %llu events, %lluus elapsed, %llu avg, min %lluus max %lluus\n",
handle->name,
pce->event_count,
pce->time_total,
@@ -308,7 +314,7 @@ perf_print_counter(perf_counter_t handle)
case PC_INTERVAL: {
struct perf_ctr_interval *pci = (struct perf_ctr_interval *)handle;
- printf("%s: %llu events, %llu avg, min %lluus max %lluus\n",
+ dprintf(fd, "%s: %llu events, %llu avg, min %lluus max %lluus\n",
handle->name,
pci->event_count,
(pci->time_last - pci->time_first) / pci->event_count,
@@ -349,12 +355,12 @@ perf_event_count(perf_counter_t handle)
}
void
-perf_print_all(void)
+perf_print_all(int fd)
{
perf_counter_t handle = (perf_counter_t)sq_peek(&perf_counters);
while (handle != NULL) {
- perf_print_counter(handle);
+ perf_print_counter_fd(fd, handle);
handle = (perf_counter_t)sq_next(&handle->link);
}
}
diff --git a/src/modules/systemlib/perf_counter.h b/src/modules/systemlib/perf_counter.h
index d8f69fdbf..6835ee4a2 100644
--- a/src/modules/systemlib/perf_counter.h
+++ b/src/modules/systemlib/perf_counter.h
@@ -121,16 +121,26 @@ __EXPORT extern void perf_cancel(perf_counter_t handle);
__EXPORT extern void perf_reset(perf_counter_t handle);
/**
- * Print one performance counter.
+ * Print one performance counter to stdout
*
* @param handle The counter to print.
*/
__EXPORT extern void perf_print_counter(perf_counter_t handle);
/**
+ * Print one performance counter to a fd.
+ *
+ * @param fd File descriptor to print to - e.g. 0 for stdout
+ * @param handle The counter to print.
+ */
+__EXPORT extern void perf_print_counter_fd(int fd, perf_counter_t handle);
+
+/**
* Print all of the performance counters.
+ *
+ * @param fd File descriptor to print to - e.g. 0 for stdout
*/
-__EXPORT extern void perf_print_all(void);
+__EXPORT extern void perf_print_all(int fd);
/**
* Reset all of the performance counters.
diff --git a/src/modules/systemlib/pid/pid.c b/src/modules/systemlib/pid/pid.c
index 6a4e9392a..45f218a5b 100644
--- a/src/modules/systemlib/pid/pid.c
+++ b/src/modules/systemlib/pid/pid.c
@@ -53,7 +53,7 @@
#define SIGMA 0.000001f
-__EXPORT void pid_init(PID_t *pid, uint8_t mode, float dt_min)
+__EXPORT void pid_init(PID_t *pid, pid_mode_t mode, float dt_min)
{
pid->mode = mode;
pid->dt_min = dt_min;
diff --git a/src/modules/systemlib/pwm_limit/pwm_limit.c b/src/modules/systemlib/pwm_limit/pwm_limit.c
index 190b315f1..ea5ba9e52 100644
--- a/src/modules/systemlib/pwm_limit/pwm_limit.c
+++ b/src/modules/systemlib/pwm_limit/pwm_limit.c
@@ -136,12 +136,26 @@ void pwm_limit_calc(const bool armed, const unsigned num_channels, const uint16_
}
effective_pwm[i] = output[i] * (max_pwm[i] - ramp_min_pwm)/2 + (max_pwm[i] + ramp_min_pwm)/2;
+
+ /* last line of defense against invalid inputs */
+ if (effective_pwm[i] < ramp_min_pwm) {
+ effective_pwm[i] = ramp_min_pwm;
+ } else if (effective_pwm[i] > max_pwm[i]) {
+ effective_pwm[i] = max_pwm[i];
+ }
}
}
break;
case PWM_LIMIT_STATE_ON:
for (unsigned i=0; i<num_channels; i++) {
effective_pwm[i] = output[i] * (max_pwm[i] - min_pwm[i])/2 + (max_pwm[i] + min_pwm[i])/2;
+
+ /* last line of defense against invalid inputs */
+ if (effective_pwm[i] < min_pwm[i]) {
+ effective_pwm[i] = min_pwm[i];
+ } else if (effective_pwm[i] > max_pwm[i]) {
+ effective_pwm[i] = max_pwm[i];
+ }
}
break;
default:
diff --git a/src/modules/systemlib/rc_check.c b/src/modules/systemlib/rc_check.c
index 21e15ec56..c0c1a5cb4 100644
--- a/src/modules/systemlib/rc_check.c
+++ b/src/modules/systemlib/rc_check.c
@@ -140,7 +140,7 @@ int rc_calibration_check(int mavlink_fd) {
/* sanity checks pass, enable channel */
if (count) {
mavlink_log_critical(mavlink_fd, "ERROR: %d config error(s) for RC channel %d.", count, (i + 1));
- warnx(mavlink_fd, "ERROR: %d config error(s) for RC channel %d.", count, (i + 1));
+ warnx("ERROR: %d config error(s) for RC channel %d.", count, (i + 1));
usleep(100000);
}