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AP_DDS: Use GPS semaphore

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Signed-off-by: Ryan Friedman <ryanfriedman5410+github@gmail.com>
This commit is contained in:
Ryan Friedman 2023-03-24 14:20:15 -06:00 committed by Andrew Tridgell
parent a610474cdc
commit 9633950098
1 changed files with 8 additions and 5 deletions
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13
libraries/AP_DDS/AP_DDS_Client.cpp
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@ -53,7 +53,10 @@ void AP_DDS_Client::update_topic(sensor_msgs_msg_NavSatFix& msg, const uint8_t i
msg.status.service = 0; // SERVICE_GPS
msg.status.status = -1; // STATUS_NO_FIX
if (!AP::gps().is_healthy(instance)) {
auto &gps = AP::gps();
WITH_SEMAPHORE(gps.get_semaphore());
if (!gps.is_healthy(instance)) {
msg.status.status = -1; // STATUS_NO_FIX
msg.status.service = 0; // No services supported
msg.position_covariance_type = 0; // COVARIANCE_TYPE_UNKNOWN
@ -65,7 +68,7 @@ void AP_DDS_Client::update_topic(sensor_msgs_msg_NavSatFix& msg, const uint8_t i
//! This will be properly designed and implemented to spec in #23277
msg.status.service = 1; // SERVICE_GPS
const auto status = AP::gps().status(instance);
const auto status = gps.status(instance);
switch (status) {
case AP_GPS::NO_GPS:
case AP_GPS::NO_FIX:
@ -91,7 +94,7 @@ void AP_DDS_Client::update_topic(sensor_msgs_msg_NavSatFix& msg, const uint8_t i
//! @todo Can we not just use an enum class and not worry about this condition?
break;
}
const auto loc = AP::gps().location(instance);
const auto loc = gps.location(instance);
msg.latitude = loc.lat * 1E-7;
msg.longitude = loc.lng * 1E-7;
@ -108,9 +111,9 @@ void AP_DDS_Client::update_topic(sensor_msgs_msg_NavSatFix& msg, const uint8_t i
// https://github.com/ros-drivers/nmea_navsat_driver/blob/indigo-devel/src/libnmea_navsat_driver/driver.py#L110-L114
//! @todo This calculation will be moved to AP::gps and fixed in #23259
//! It is a placeholder for now matching the ROS1 nmea_navsat_driver behavior
const auto hdop = AP::gps().get_hdop(instance);
const auto hdop = gps.get_hdop(instance);
const auto hdopSq = hdop * hdop;
const auto vdop = AP::gps().get_vdop(instance);
const auto vdop = gps.get_vdop(instance);
const auto vdopSq = vdop * vdop;
msg.position_covariance[0] = hdopSq;
msg.position_covariance[4] = hdopSq;