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parameter_update use uORB::Subscription consistently

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This commit is contained in:
Daniel Agar
2019-09-29 10:49:03 -04:00
parent bbb96cbd0c
commit c8e59c4e39
47 changed files with 274 additions and 259 deletions
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src/examples/rover_steering_control/main.cpp
+12 -16
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@@ -51,7 +51,7 @@
#include <poll.h>
#include <time.h>
#include <drivers/drv_hrt.h>
#include <uORB/uORB.h>
#include <uORB/Subscription.hpp>
#include <uORB/topics/vehicle_global_position.h>
#include <uORB/topics/position_setpoint_triplet.h>
#include <uORB/topics/vehicle_attitude.h>
@@ -271,20 +271,16 @@ int rover_steering_control_thread_main(int argc, char *argv[])
int att_sp_sub = orb_subscribe(ORB_ID(vehicle_attitude_setpoint));
int param_sub = orb_subscribe(ORB_ID(parameter_update));
uORB::Subscription parameter_update_sub{ORB_ID(parameter_update)};
/* Setup of loop */
struct pollfd fds[2];
struct pollfd fds[1] {};
fds[0].fd = param_sub;
fds[0].fd = att_sub;
fds[0].events = POLLIN;
fds[1].fd = att_sub;
fds[1].events = POLLIN;
while (!thread_should_exit) {
/*
@@ -297,7 +293,7 @@ int rover_steering_control_thread_main(int argc, char *argv[])
* This design pattern makes the controller also agnostic of the attitude
* update speed - it runs as fast as the attitude updates with minimal latency.
*/
int ret = poll(fds, 2, 500);
int ret = poll(fds, 1, 500);
if (ret < 0) {
/*
@@ -310,18 +306,18 @@ int rover_steering_control_thread_main(int argc, char *argv[])
/* no return value = nothing changed for 500 ms, ignore */
} else {
/* only update parameters if they changed */
if (fds[0].revents & POLLIN) {
/* read from param to clear updated flag (uORB API requirement) */
struct parameter_update_s update;
orb_copy(ORB_ID(parameter_update), param_sub, &update);
// check for parameter updates
if (parameter_update_sub.updated()) {
// clear update
parameter_update_s pupdate;
parameter_update_sub.copy(&pupdate);
/* if a param update occured, re-read our parameters */
// if a param update occured, re-read our parameters
parameters_update(&ph, &pp);
}
/* only run controller if attitude changed */
if (fds[1].revents & POLLIN) {
if (fds[0].revents & POLLIN) {
/* Check if there is a new position measurement or position setpoint */