ardupilot/Tools/AP_Periph/baro.cpp

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#include "AP_Periph.h"
#ifdef HAL_PERIPH_ENABLE_BARO
/*
barometer support
*/
#include <dronecan_msgs.h>
/*
update CAN baro
*/
void AP_Periph_FW::can_baro_update(void)
{
if (!periph.g.baro_enable) {
return;
}
baro.update();
if (last_baro_update_ms == baro.get_last_update()) {
return;
}
last_baro_update_ms = baro.get_last_update();
if (!baro.healthy()) {
// don't send any data
return;
}
const float press = baro.get_pressure();
const float temp = baro.get_temperature();
{
uavcan_equipment_air_data_StaticPressure pkt {};
pkt.static_pressure = press;
pkt.static_pressure_variance = 0; // should we make this a parameter?
uint8_t buffer[UAVCAN_EQUIPMENT_AIR_DATA_STATICPRESSURE_MAX_SIZE] {};
uint16_t total_size = uavcan_equipment_air_data_StaticPressure_encode(&pkt, buffer, !periph.canfdout());
canard_broadcast(UAVCAN_EQUIPMENT_AIR_DATA_STATICPRESSURE_SIGNATURE,
UAVCAN_EQUIPMENT_AIR_DATA_STATICPRESSURE_ID,
CANARD_TRANSFER_PRIORITY_LOW,
&buffer[0],
total_size);
}
{
uavcan_equipment_air_data_StaticTemperature pkt {};
pkt.static_temperature = C_TO_KELVIN(temp);
pkt.static_temperature_variance = 0; // should we make this a parameter?
uint8_t buffer[UAVCAN_EQUIPMENT_AIR_DATA_STATICTEMPERATURE_MAX_SIZE] {};
uint16_t total_size = uavcan_equipment_air_data_StaticTemperature_encode(&pkt, buffer, !periph.canfdout());
canard_broadcast(UAVCAN_EQUIPMENT_AIR_DATA_STATICTEMPERATURE_SIGNATURE,
UAVCAN_EQUIPMENT_AIR_DATA_STATICTEMPERATURE_ID,
CANARD_TRANSFER_PRIORITY_LOW,
&buffer[0],
total_size);
}
}
#endif // HAL_PERIPH_ENABLE_BARO