ardupilot/Tools/AP_Periph/rpm.cpp

56 lines
1.6 KiB
C++

#include "AP_Periph.h"
#ifdef HAL_PERIPH_ENABLE_RPM_STREAM
#include <dronecan_msgs.h>
// Send rpm message occasionally
void AP_Periph_FW::rpm_sensor_send(void)
{
if (g.rpm_msg_rate <= 0) {
return;
}
const uint32_t now_ms = AP_HAL::millis();
if (now_ms - rpm_last_send_ms < (1000U / g.rpm_msg_rate)) {
return;
}
rpm_last_send_ms = now_ms;
{
const uint8_t num_sensors = rpm_sensor.num_sensors();
for (uint8_t i = 0; i < num_sensors; i++) {
// Send each sensor in turn
const uint8_t index = (rpm_last_sent_index + 1 + i) % num_sensors;
const int8_t sensor_id = rpm_sensor.get_dronecan_sensor_id(index);
if (sensor_id < 0) {
// disabled or not configured to send
continue;
}
dronecan_sensors_rpm_RPM pkt {};
pkt.sensor_id = sensor_id;
// Get rpm and set health flag
if (!rpm_sensor.get_rpm(index, pkt.rpm)) {
pkt.flags |= DRONECAN_SENSORS_RPM_RPM_FLAGS_UNHEALTHY;
}
uint8_t buffer[DRONECAN_SENSORS_RPM_RPM_MAX_SIZE] {};
const uint16_t total_size = dronecan_sensors_rpm_RPM_encode(&pkt, buffer, !canfdout());
canard_broadcast(DRONECAN_SENSORS_RPM_RPM_SIGNATURE,
DRONECAN_SENSORS_RPM_RPM_ID,
CANARD_TRANSFER_PRIORITY_LOW,
&buffer[0],
total_size);
rpm_last_sent_index = index;
break;
}
}
}
#endif // HAL_PERIPH_ENABLE_RPM_STREAM