mirror of
https://bitbucket.org/librepilot/librepilot.git
synced 2024-11-29 07:24:13 +01:00
Merge branch 'next' into revo
Conflicts: flight/Modules/GPS/GPS.c flight/Modules/GPS/NMEA.c flight/Modules/GPS/UBX.c flight/Modules/GPS/inc/NMEA.h flight/Modules/GPS/inc/UBX.h flight/Revolution/System/inc/pios_config.h flight/Revolution/UAVObjects.inc ground/openpilotgcs/src/plugins/uavobjects/uavobjects.pro ground/openpilotgcs/src/plugins/waypointeditor/waypointeditorplugin.h shared/uavobjectdefinition/gpsvelocity.xml
This commit is contained in:
commit
93faf131b0
@ -199,6 +199,8 @@ SRC += $(OPUAVSYNTHDIR)/attitudesettings.c
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SRC += $(OPUAVSYNTHDIR)/camerastabsettings.c
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SRC += $(OPUAVSYNTHDIR)/cameradesired.c
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SRC += $(OPUAVSYNTHDIR)/gpsposition.c
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SRC += $(OPUAVSYNTHDIR)/gpsvelocity.c
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SRC += $(OPUAVSYNTHDIR)/gpssettings.c
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SRC += $(OPUAVSYNTHDIR)/hwsettings.c
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SRC += $(OPUAVSYNTHDIR)/gcsreceiver.c
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SRC += $(OPUAVSYNTHDIR)/receiveractivity.c
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|
@ -58,7 +58,8 @@
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#define PIOS_INCLUDE_TELEMETRY_RF
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#define PIOS_INCLUDE_GPS
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#define PIOS_GPS_MINIMAL
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#define PIOS_INCLUDE_GPS_NMEA_PARSER /* Include the NMEA protocol parser */
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#define PIOS_INCLUDE_GPS_UBX_PARSER /* Include the UBX protocol parser */
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#define PIOS_INCLUDE_SERVO
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#define PIOS_INCLUDE_SPI
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#define PIOS_INCLUDE_SYS
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|
@ -33,13 +33,12 @@
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#include "openpilot.h"
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#include "GPS.h"
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#include <stdbool.h>
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#include "gpsposition.h"
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#include "homelocation.h"
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#include "gpstime.h"
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#include "gpssatellites.h"
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#include "gpsvelocity.h"
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#include "gpssettings.h"
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#include "WorldMagModel.h"
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#include "CoordinateConversions.h"
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#include "hwsettings.h"
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@ -63,16 +62,18 @@ static float GravityAccel(float latitude, float longitude, float altitude);
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// Private constants
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#define GPS_TIMEOUT_MS 500
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#define NMEA_MAX_PACKET_LENGTH 96 // 82 max NMEA msg size plus 12 margin (because some vendors add custom crap) plus CR plus Linefeed
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// same as in COM buffer
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#ifdef PIOS_GPS_SETS_HOMELOCATION
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// Unfortunately need a good size stack for the WMM calculation
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#define STACK_SIZE_BYTES 800
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#define STACK_SIZE_BYTES 750
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#else
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#if defined(PIOS_GPS_MINIMAL)
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#define STACK_SIZE_BYTES 500
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#else
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#define STACK_SIZE_BYTES 650
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#endif
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#endif // PIOS_GPS_MINIMAL
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#endif // PIOS_GPS_SETS_HOMELOCATION
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#define TASK_PRIORITY (tskIDLE_PRIORITY + 1)
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@ -88,9 +89,8 @@ static char* gps_rx_buffer;
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static uint32_t timeOfLastCommandMs;
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static uint32_t timeOfLastUpdateMs;
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static uint32_t numUpdates;
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static uint32_t numChecksumErrors;
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static uint32_t numParsingErrors;
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static struct GPS_RX_STATS gpsRxStats;
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// ****************
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/**
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@ -122,6 +122,7 @@ int32_t GPSStart(void)
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int32_t GPSInitialize(void)
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{
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gpsPort = PIOS_COM_GPS;
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uint8_t gpsProtocol;
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#ifdef MODULE_GPS_BUILTIN
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gpsEnabled = true;
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@ -137,19 +138,9 @@ int32_t GPSInitialize(void)
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gpsEnabled = false;
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#endif
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#if defined(REVOLUTION)
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// Revolution expects these objects to always be defined. Not doing so will fail some
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// queue connections in navigation
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GPSPositionInitialize();
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GPSVelocityInitialize();
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GPSTimeInitialize();
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GPSSatellitesInitialize();
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HomeLocationInitialize();
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updateSettings();
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#else
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if (gpsPort && gpsEnabled) {
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GPSPositionInitialize();
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GPSVelocityInitialize();
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#if !defined(PIOS_GPS_MINIMAL)
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GPSTimeInitialize();
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GPSSatellitesInitialize();
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@ -159,10 +150,20 @@ int32_t GPSInitialize(void)
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#endif
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updateSettings();
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}
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#endif
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if (gpsPort && gpsEnabled) {
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gps_rx_buffer = pvPortMalloc(NMEA_MAX_PACKET_LENGTH);
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GPSSettingsInitialize();
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GPSSettingsDataProtocolGet(&gpsProtocol);
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switch (gpsProtocol) {
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case GPSSETTINGS_DATAPROTOCOL_NMEA:
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gps_rx_buffer = pvPortMalloc(NMEA_MAX_PACKET_LENGTH);
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break;
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case GPSSETTINGS_DATAPROTOCOL_UBX:
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gps_rx_buffer = pvPortMalloc(sizeof(struct UBXPacket));
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break;
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default:
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gps_rx_buffer = NULL;
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}
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PIOS_Assert(gps_rx_buffer);
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return 0;
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@ -181,216 +182,75 @@ MODULE_INITCALL(GPSInitialize, GPSStart)
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static void gpsTask(void *parameters)
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{
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portTickType xDelay = 100 / portTICK_RATE_MS;
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uint32_t timeNowMs = xTaskGetTickCount() * portTICK_RATE_MS;;
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GPSPositionData GpsData;
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UBXPacket *ubx = (UBXPacket *)gps_rx_buffer;
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uint8_t rx_count = 0;
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// bool start_flag = false;
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bool found_cr = false;
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enum proto_states {START,NMEA,UBX_SY2,UBX_CLASS,UBX_ID,UBX_LEN1,
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UBX_LEN2,UBX_PAYLOAD,UBX_CHK1,UBX_CHK2};
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enum proto_states proto_state = START;
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int32_t gpsRxOverflow = 0;
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numUpdates = 0;
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numChecksumErrors = 0;
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numParsingErrors = 0;
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uint32_t timeNowMs = xTaskGetTickCount() * portTICK_RATE_MS;
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GPSPositionData gpsposition;
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uint8_t gpsProtocol;
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GPSSettingsDataProtocolGet(&gpsProtocol);
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timeOfLastUpdateMs = timeNowMs;
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timeOfLastCommandMs = timeNowMs;
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GPSPositionGet(&GpsData);
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GPSPositionGet(&gpsposition);
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// Loop forever
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while (1)
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{
|
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uint8_t c;
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|
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// NMEA or SINGLE-SENTENCE GPS mode
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// This blocks the task until there is something on the buffer
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while (PIOS_COM_ReceiveBuffer(gpsPort, &c, 1, xDelay) > 0)
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{
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// detect start while acquiring stream
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switch (proto_state)
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{
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case START: // detect protocol
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switch (c)
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{
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case UBX_SYNC1: // first UBX sync char found
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proto_state = UBX_SY2;
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continue;
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case '$': // NMEA identifier found
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proto_state = NMEA;
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found_cr = false;
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rx_count = 0;
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break;
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default:
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continue;
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}
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int res;
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switch (gpsProtocol) {
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#if defined(PIOS_INCLUDE_GPS_NMEA_PARSER)
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case GPSSETTINGS_DATAPROTOCOL_NMEA:
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res = parse_nmea_stream (c,gps_rx_buffer, &gpsposition, &gpsRxStats);
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break;
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case UBX_SY2:
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if (c == UBX_SYNC2) // second UBX sync char found
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{
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proto_state = UBX_CLASS;
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found_cr = false;
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rx_count = 0;
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}
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else
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{
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proto_state = START; // reset state
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}
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continue;
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case UBX_CLASS:
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ubx->header.class = c;
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proto_state = UBX_ID;
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continue;
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case UBX_ID:
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ubx->header.id = c;
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proto_state = UBX_LEN1;
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continue;
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case UBX_LEN1:
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ubx->header.len = c;
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proto_state = UBX_LEN2;
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continue;
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case UBX_LEN2:
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ubx->header.len += (c << 8);
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if ((sizeof (UBXHeader)) + ubx->header.len > NMEA_MAX_PACKET_LENGTH)
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{
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gpsRxOverflow++;
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proto_state = START;
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found_cr = false;
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rx_count = 0;
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}
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else
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{
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proto_state = UBX_PAYLOAD;
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}
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continue;
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case UBX_PAYLOAD:
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if (rx_count < ubx->header.len)
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{
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ubx->payload.payload[rx_count] = c;
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if (++rx_count == ubx->header.len)
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proto_state = UBX_CHK1;
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}
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else
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proto_state = START;
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continue;
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case UBX_CHK1:
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ubx->header.ck_a = c;
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proto_state = UBX_CHK2;
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continue;
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case UBX_CHK2:
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ubx->header.ck_b = c;
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if (checksum_ubx_message(ubx))
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{
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parse_ubx_message(ubx);
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}
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proto_state = START;
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continue;
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case NMEA:
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#endif
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#if defined(PIOS_INCLUDE_GPS_UBX_PARSER)
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case GPSSETTINGS_DATAPROTOCOL_UBX:
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res = parse_ubx_stream (c,gps_rx_buffer, &gpsposition, &gpsRxStats);
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break;
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#endif
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default:
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res = NO_PARSER; // this should not happen
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break;
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}
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|
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if (rx_count >= NMEA_MAX_PACKET_LENGTH)
|
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{
|
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// The buffer is already full and we haven't found a valid NMEA sentence.
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// Flush the buffer and note the overflow event.
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gpsRxOverflow++;
|
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proto_state = START;
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found_cr = false;
|
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rx_count = 0;
|
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}
|
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else
|
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{
|
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gps_rx_buffer[rx_count] = c;
|
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rx_count++;
|
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}
|
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|
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// look for ending '\r\n' sequence
|
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if (!found_cr && (c == '\r') )
|
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found_cr = true;
|
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else
|
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if (found_cr && (c != '\n') )
|
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found_cr = false; // false end flag
|
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else
|
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if (found_cr && (c == '\n') )
|
||||
{
|
||||
// The NMEA functions require a zero-terminated string
|
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// As we detected \r\n, the string as for sure 2 bytes long, we will also strip the \r\n
|
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gps_rx_buffer[rx_count-2] = 0;
|
||||
|
||||
// prepare to parse next sentence
|
||||
proto_state = START;
|
||||
found_cr = false;
|
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rx_count = 0;
|
||||
// Our rxBuffer must look like this now:
|
||||
// [0] = '$'
|
||||
// ... = zero or more bytes of sentence payload
|
||||
// [end_pos - 1] = '\r'
|
||||
// [end_pos] = '\n'
|
||||
//
|
||||
// Prepare to consume the sentence from the buffer
|
||||
|
||||
// Validate the checksum over the sentence
|
||||
if (!NMEA_checksum(&gps_rx_buffer[1]))
|
||||
{ // Invalid checksum. May indicate dropped characters on Rx.
|
||||
//PIOS_DEBUG_PinHigh(2);
|
||||
++numChecksumErrors;
|
||||
//PIOS_DEBUG_PinLow(2);
|
||||
}
|
||||
else
|
||||
{ // Valid checksum, use this packet to update the GPS position
|
||||
if (!NMEA_update_position(&gps_rx_buffer[1],&GpsData)) {
|
||||
//PIOS_DEBUG_PinHigh(2);
|
||||
++numParsingErrors;
|
||||
//PIOS_DEBUG_PinLow(2);
|
||||
}
|
||||
else
|
||||
++numUpdates;
|
||||
|
||||
timeNowMs = xTaskGetTickCount() * portTICK_RATE_MS;
|
||||
timeOfLastUpdateMs = timeNowMs;
|
||||
timeOfLastCommandMs = timeNowMs;
|
||||
}
|
||||
if (res == PARSER_COMPLETE) {
|
||||
timeNowMs = xTaskGetTickCount() * portTICK_RATE_MS;
|
||||
timeOfLastUpdateMs = timeNowMs;
|
||||
timeOfLastCommandMs = timeNowMs;
|
||||
}
|
||||
}
|
||||
|
||||
// Check for GPS timeout
|
||||
timeNowMs = xTaskGetTickCount() * portTICK_RATE_MS;
|
||||
if ((timeNowMs - timeOfLastUpdateMs) >= GPS_TIMEOUT_MS)
|
||||
{ // we have not received any valid GPS sentences for a while.
|
||||
if ((timeNowMs - timeOfLastUpdateMs) >= GPS_TIMEOUT_MS) {
|
||||
// we have not received any valid GPS sentences for a while.
|
||||
// either the GPS is not plugged in or a hardware problem or the GPS has locked up.
|
||||
|
||||
GpsData.Status = GPSPOSITION_STATUS_NOGPS;
|
||||
GPSPositionSet(&GpsData);
|
||||
uint8_t status = GPSPOSITION_STATUS_NOGPS;
|
||||
GPSPositionStatusSet(&status);
|
||||
AlarmsSet(SYSTEMALARMS_ALARM_GPS, SYSTEMALARMS_ALARM_ERROR);
|
||||
|
||||
}
|
||||
else
|
||||
{ // we appear to be receiving GPS sentences OK, we've had an update
|
||||
|
||||
#ifdef PIOS_GPS_SETS_HOMELOCATION
|
||||
HomeLocationData home;
|
||||
HomeLocationGet(&home);
|
||||
|
||||
if ((GpsData.Status == GPSPOSITION_STATUS_FIX3D) && (home.Set == HOMELOCATION_SET_FALSE))
|
||||
setHomeLocation(&GpsData);
|
||||
#endif
|
||||
|
||||
} else {
|
||||
// we appear to be receiving GPS sentences OK, we've had an update
|
||||
//criteria for GPS-OK taken from this post...
|
||||
//http://forums.openpilot.org/topic/1523-professors-insgps-in-svn/page__view__findpost__p__5220
|
||||
if ((GpsData.PDOP < 3.5) && (GpsData.Satellites >= 7))
|
||||
if ((gpsposition.PDOP < 3.5) && (gpsposition.Satellites >= 7) &&
|
||||
(gpsposition.Status == GPSPOSITION_STATUS_FIX3D)) {
|
||||
AlarmsClear(SYSTEMALARMS_ALARM_GPS);
|
||||
else
|
||||
if (GpsData.Status == GPSPOSITION_STATUS_FIX3D)
|
||||
AlarmsSet(SYSTEMALARMS_ALARM_GPS, SYSTEMALARMS_ALARM_WARNING);
|
||||
else
|
||||
AlarmsSet(SYSTEMALARMS_ALARM_GPS, SYSTEMALARMS_ALARM_CRITICAL);
|
||||
#ifdef PIOS_GPS_SETS_HOMELOCATION
|
||||
HomeLocationData home;
|
||||
HomeLocationGet(&home);
|
||||
|
||||
if (home.Set == HOMELOCATION_SET_FALSE)
|
||||
setHomeLocation(&gpsposition);
|
||||
#endif
|
||||
} else if (gpsposition.Status == GPSPOSITION_STATUS_FIX3D)
|
||||
AlarmsSet(SYSTEMALARMS_ALARM_GPS, SYSTEMALARMS_ALARM_WARNING);
|
||||
else
|
||||
AlarmsSet(SYSTEMALARMS_ALARM_GPS, SYSTEMALARMS_ALARM_CRITICAL);
|
||||
}
|
||||
|
||||
}
|
||||
|
@ -30,10 +30,14 @@
|
||||
|
||||
#include "openpilot.h"
|
||||
#include "pios.h"
|
||||
|
||||
#if defined(PIOS_INCLUDE_GPS_NMEA_PARSER)
|
||||
|
||||
#include "gpsposition.h"
|
||||
#include "NMEA.h"
|
||||
#include "gpstime.h"
|
||||
#include "gpssatellites.h"
|
||||
#include "GPS.h"
|
||||
|
||||
//#define ENABLE_DEBUG_MSG ///< define to enable debug-messages
|
||||
#define DEBUG_PORT PIOS_COM_TELEM_RF ///< defines which serial port is ued for debug-messages
|
||||
@ -43,7 +47,7 @@
|
||||
// Debugging
|
||||
#ifdef ENABLE_DEBUG_MSG
|
||||
//#define DEBUG_MSG_IN ///< define to display the incoming NMEA messages
|
||||
//#define DEBUG_PARS ///< define to display the incoming NMEA messages split into its parameters
|
||||
//#define DEBUG_PARAMS ///< define to display the incoming NMEA messages split into its parameters
|
||||
//#define DEBUG_MGSID_IN ///< define to display the the names of the incoming NMEA messages
|
||||
//#define NMEA_DEBUG_PKT ///< define to enable debug of all NMEA messages
|
||||
//#define NMEA_DEBUG_GGA ///< define to enable debug of GGA messages
|
||||
@ -58,14 +62,11 @@
|
||||
#endif
|
||||
|
||||
#define MAX_NB_PARAMS 20
|
||||
|
||||
#define NMEA_DOP_NOFIX 99.99
|
||||
/* NMEA sentence parsers */
|
||||
|
||||
struct nmea_parser {
|
||||
const char *prefix;
|
||||
bool(*handler) (GPSPositionData * GpsData, bool* gpsDataUpdated, char* param[], uint8_t nbParam);
|
||||
uint32_t cnt;
|
||||
};
|
||||
|
||||
static bool nmeaProcessGPGGA(GPSPositionData * GpsData, bool* gpsDataUpdated, char* param[], uint8_t nbParam);
|
||||
@ -77,50 +78,125 @@ static bool nmeaProcessGPGSA(GPSPositionData * GpsData, bool* gpsDataUpdated, ch
|
||||
static bool nmeaProcessGPGSV(GPSPositionData * GpsData, bool* gpsDataUpdated, char* param[], uint8_t nbParam);
|
||||
#endif //PIOS_GPS_MINIMAL
|
||||
|
||||
|
||||
static struct nmea_parser nmea_parsers[] = {
|
||||
const static struct nmea_parser nmea_parsers[] = {
|
||||
{
|
||||
.prefix = "GPGGA",
|
||||
.handler = nmeaProcessGPGGA,
|
||||
.cnt = 0,
|
||||
},
|
||||
{
|
||||
.prefix = "GPVTG",
|
||||
.handler = nmeaProcessGPVTG,
|
||||
.cnt = 0,
|
||||
},
|
||||
{
|
||||
.prefix = "GPGSA",
|
||||
.handler = nmeaProcessGPGSA,
|
||||
.cnt = 0,
|
||||
},
|
||||
{
|
||||
.prefix = "GPRMC",
|
||||
.handler = nmeaProcessGPRMC,
|
||||
.cnt = 0,
|
||||
},
|
||||
#if !defined(PIOS_GPS_MINIMAL)
|
||||
{
|
||||
.prefix = "GPZDA",
|
||||
.handler = nmeaProcessGPZDA,
|
||||
.cnt = 0,
|
||||
},
|
||||
{
|
||||
.prefix = "GPGSV",
|
||||
.handler = nmeaProcessGPGSV,
|
||||
.cnt = 0,
|
||||
},
|
||||
#endif //PIOS_GPS_MINIMAL
|
||||
};
|
||||
|
||||
static struct nmea_parser *NMEA_find_parser_by_prefix(const char *prefix)
|
||||
int parse_nmea_stream (uint8_t c, char *gps_rx_buffer, GPSPositionData *GpsData, struct GPS_RX_STATS *gpsRxStats)
|
||||
{
|
||||
static uint8_t rx_count = 0;
|
||||
static bool start_flag = false;
|
||||
static bool found_cr = false;
|
||||
|
||||
// detect start while acquiring stream
|
||||
if (!start_flag && (c == '$')) // NMEA identifier found
|
||||
{
|
||||
start_flag = true;
|
||||
found_cr = false;
|
||||
rx_count = 0;
|
||||
}
|
||||
else
|
||||
if (!start_flag)
|
||||
return PARSER_ERROR;
|
||||
|
||||
if (rx_count >= NMEA_MAX_PACKET_LENGTH)
|
||||
{
|
||||
// The buffer is already full and we haven't found a valid NMEA sentence.
|
||||
// Flush the buffer and note the overflow event.
|
||||
gpsRxStats->gpsRxOverflow++;
|
||||
start_flag = false;
|
||||
found_cr = false;
|
||||
rx_count = 0;
|
||||
return PARSER_OVERRUN;
|
||||
}
|
||||
else
|
||||
{
|
||||
gps_rx_buffer[rx_count] = c;
|
||||
rx_count++;
|
||||
}
|
||||
|
||||
// look for ending '\r\n' sequence
|
||||
if (!found_cr && (c == '\r') )
|
||||
found_cr = true;
|
||||
else
|
||||
if (found_cr && (c != '\n') )
|
||||
found_cr = false; // false end flag
|
||||
else
|
||||
if (found_cr && (c == '\n') )
|
||||
{
|
||||
// The NMEA functions require a zero-terminated string
|
||||
// As we detected \r\n, the string as for sure 2 bytes long, we will also strip the \r\n
|
||||
gps_rx_buffer[rx_count-2] = 0;
|
||||
|
||||
// prepare to parse next sentence
|
||||
start_flag = false;
|
||||
found_cr = false;
|
||||
rx_count = 0;
|
||||
// Our rxBuffer must look like this now:
|
||||
// [0] = '$'
|
||||
// ... = zero or more bytes of sentence payload
|
||||
// [end_pos - 1] = '\r'
|
||||
// [end_pos] = '\n'
|
||||
//
|
||||
// Prepare to consume the sentence from the buffer
|
||||
|
||||
// Validate the checksum over the sentence
|
||||
if (!NMEA_checksum(&gps_rx_buffer[1]))
|
||||
{ // Invalid checksum. May indicate dropped characters on Rx.
|
||||
//PIOS_DEBUG_PinHigh(2);
|
||||
gpsRxStats->gpsRxChkSumError++;
|
||||
//PIOS_DEBUG_PinLow(2);
|
||||
return PARSER_ERROR;
|
||||
}
|
||||
else
|
||||
{ // Valid checksum, use this packet to update the GPS position
|
||||
if (!NMEA_update_position(&gps_rx_buffer[1], GpsData)) {
|
||||
//PIOS_DEBUG_PinHigh(2);
|
||||
gpsRxStats->gpsRxParserError++;
|
||||
//PIOS_DEBUG_PinLow(2);
|
||||
}
|
||||
else
|
||||
gpsRxStats->gpsRxReceived++;;
|
||||
|
||||
return PARSER_COMPLETE;
|
||||
}
|
||||
}
|
||||
return PARSER_INCOMPLETE;
|
||||
}
|
||||
|
||||
const static struct nmea_parser *NMEA_find_parser_by_prefix(const char *prefix)
|
||||
{
|
||||
if (!prefix) {
|
||||
return (NULL);
|
||||
}
|
||||
|
||||
for (uint8_t i = 0; i < NELEMENTS(nmea_parsers); i++) {
|
||||
struct nmea_parser *parser = &nmea_parsers[i];
|
||||
const struct nmea_parser *parser = &nmea_parsers[i];
|
||||
|
||||
/* Use strcmp to check for exact equality over the entire prefix */
|
||||
if (!strcmp(prefix, parser->prefix)) {
|
||||
@ -333,7 +409,7 @@ bool NMEA_update_position(char *nmea_sentence, GPSPositionData *GpsData)
|
||||
#endif
|
||||
|
||||
// The first parameter is the message name, lets see if we find a parser for it
|
||||
struct nmea_parser *parser;
|
||||
const struct nmea_parser *parser;
|
||||
parser = NMEA_find_parser_by_prefix(params[0]);
|
||||
if (!parser) {
|
||||
// No parser found
|
||||
@ -341,16 +417,22 @@ bool NMEA_update_position(char *nmea_sentence, GPSPositionData *GpsData)
|
||||
return false;
|
||||
}
|
||||
|
||||
parser->cnt++;
|
||||
#ifdef DEBUG_MGSID_IN
|
||||
DEBUG_MSG("%s %d ", params[0], parser->cnt);
|
||||
DEBUG_MSG("%s %d ", params[0]);
|
||||
#endif
|
||||
// Send the message to the parser and get it update the GpsData
|
||||
// Information from various different NMEA messages are temporarily
|
||||
// cumulated in the GpsData structure. An actual GPSPosition update
|
||||
// is triggered by GGA messages only. This message type sets the
|
||||
// gpsDataUpdated flag to request this.
|
||||
bool gpsDataUpdated = false;
|
||||
|
||||
if (!parser->handler(GpsData, &gpsDataUpdated, params, nbParams)) {
|
||||
// Parse failed
|
||||
DEBUG_MSG("PARSE FAILED (\"%s\")\n", params[0]);
|
||||
if (gpsDataUpdated && (GpsData->Status == GPSPOSITION_STATUS_NOFIX)) {
|
||||
GPSPositionSet(GpsData);
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
@ -394,16 +476,23 @@ static bool nmeaProcessGPGGA(GPSPositionData * GpsData, bool* gpsDataUpdated, ch
|
||||
|
||||
*gpsDataUpdated = true;
|
||||
|
||||
// get latitude [DDMM.mmmmm] [N|S]
|
||||
if (!NMEA_latlon_to_fixed_point(&GpsData->Latitude, param[2], param[3][0] == 'S') ||
|
||||
// get longitude [dddmm.mmmmm] [E|W]
|
||||
!NMEA_latlon_to_fixed_point(&GpsData->Longitude, param[4], param[5][0] == 'W') ||
|
||||
// check for invalid GPS fix
|
||||
param[6][0] == '0') {
|
||||
|
||||
GpsData->Status = GPSPOSITION_STATUS_NOFIX;
|
||||
GpsData->PDOP = GpsData->HDOP = GpsData->VDOP = NMEA_DOP_NOFIX;
|
||||
// check for invalid GPS fix
|
||||
// do this first to make sure we get this information, even if later checks exit
|
||||
// this function early
|
||||
if (param[6][0] == '0') {
|
||||
GpsData->Status = GPSPOSITION_STATUS_NOFIX; // treat invalid fix as NOFIX
|
||||
}
|
||||
|
||||
// get latitude [DDMM.mmmmm] [N|S]
|
||||
if (!NMEA_latlon_to_fixed_point(&GpsData->Latitude, param[2], param[3][0] == 'S')) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// get longitude [dddmm.mmmmm] [E|W]
|
||||
if (!NMEA_latlon_to_fixed_point(&GpsData->Longitude, param[4], param[5][0] == 'W')) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// get number of satellites used in GPS solution
|
||||
GpsData->Satellites = atoi(param[7]);
|
||||
|
||||
@ -446,7 +535,30 @@ static bool nmeaProcessGPRMC(GPSPositionData * GpsData, bool* gpsDataUpdated, ch
|
||||
gpst.Second = (int)hms % 100;
|
||||
gpst.Minute = (((int)hms - gpst.Second) / 100) % 100;
|
||||
gpst.Hour = (int)hms / 10000;
|
||||
#endif //PIOS_GPS_MINIMAL
|
||||
|
||||
// don't process void sentences
|
||||
if (param[2][0] == 'V') {
|
||||
return false;
|
||||
}
|
||||
|
||||
// get latitude [DDMM.mmmmm] [N|S]
|
||||
if (!NMEA_latlon_to_fixed_point(&GpsData->Latitude, param[3], param[4][0] == 'S')) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// get longitude [dddmm.mmmmm] [E|W]
|
||||
if (!NMEA_latlon_to_fixed_point(&GpsData->Longitude, param[5], param[6][0] == 'W')) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// get speed in knots
|
||||
GpsData->Groundspeed = NMEA_real_to_float(param[7]) * 0.51444f; // to m/s
|
||||
|
||||
// get True course
|
||||
GpsData->Heading = NMEA_real_to_float(param[8]);
|
||||
|
||||
#if !defined(PIOS_GPS_MINIMAL)
|
||||
// get Date of fix
|
||||
// TODO: Should really not use a float here to be safe
|
||||
float date = NMEA_real_to_float(param[9]);
|
||||
@ -457,26 +569,6 @@ static bool nmeaProcessGPRMC(GPSPositionData * GpsData, bool* gpsDataUpdated, ch
|
||||
GPSTimeSet(&gpst);
|
||||
#endif //PIOS_GPS_MINIMAL
|
||||
|
||||
// don't process void sentences
|
||||
if (param[2][0] == 'V') {
|
||||
return false;
|
||||
}
|
||||
|
||||
// get latitude [DDMM.mmmmm] [N|S]
|
||||
if (!NMEA_latlon_to_fixed_point(&GpsData->Latitude, param[3], param[4][0] == 'S') ||
|
||||
// get longitude [dddmm.mmmmm] [E|W]
|
||||
!NMEA_latlon_to_fixed_point(&GpsData->Longitude, param[5], param[6][0] == 'W')) {
|
||||
|
||||
GpsData->Status = GPSPOSITION_STATUS_NOFIX;
|
||||
GpsData->PDOP = GpsData->HDOP = GpsData->VDOP = NMEA_DOP_NOFIX;
|
||||
}
|
||||
|
||||
// get speed in knots
|
||||
GpsData->Groundspeed = NMEA_real_to_float(param[7]) * 0.51444f; // to m/s
|
||||
|
||||
// get True course
|
||||
GpsData->Heading = NMEA_real_to_float(param[8]);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@ -675,3 +767,4 @@ static bool nmeaProcessGPGSA(GPSPositionData * GpsData, bool* gpsDataUpdated, ch
|
||||
return true;
|
||||
}
|
||||
|
||||
#endif // PIOS_INCLUDE_GPS_NMEA_PARSER
|
||||
|
@ -30,10 +30,137 @@
|
||||
|
||||
#include "openpilot.h"
|
||||
#include "pios.h"
|
||||
#include "UBX.h"
|
||||
#include "gpsvelocity.h"
|
||||
|
||||
bool checksum_ubx_message (UBXPacket *ubx)
|
||||
#if defined(PIOS_INCLUDE_GPS_UBX_PARSER)
|
||||
|
||||
#include "UBX.h"
|
||||
#include "GPS.h"
|
||||
|
||||
// parse incoming character stream for messages in UBX binary format
|
||||
|
||||
int parse_ubx_stream (uint8_t c, char *gps_rx_buffer, GPSPositionData *GpsData, struct GPS_RX_STATS *gpsRxStats)
|
||||
{
|
||||
enum proto_states {
|
||||
START,
|
||||
UBX_SY2,
|
||||
UBX_CLASS,
|
||||
UBX_ID,
|
||||
UBX_LEN1,
|
||||
UBX_LEN2,
|
||||
UBX_PAYLOAD,
|
||||
UBX_CHK1,
|
||||
UBX_CHK2,
|
||||
FINISHED
|
||||
};
|
||||
|
||||
static enum proto_states proto_state = START;
|
||||
static uint8_t rx_count = 0;
|
||||
struct UBXPacket *ubx = (struct UBXPacket *)gps_rx_buffer;
|
||||
|
||||
switch (proto_state) {
|
||||
case START: // detect protocol
|
||||
if (c == UBX_SYNC1) // first UBX sync char found
|
||||
proto_state = UBX_SY2;
|
||||
break;
|
||||
case UBX_SY2:
|
||||
if (c == UBX_SYNC2) // second UBX sync char found
|
||||
proto_state = UBX_CLASS;
|
||||
else
|
||||
proto_state = START; // reset state
|
||||
break;
|
||||
case UBX_CLASS:
|
||||
ubx->header.class = c;
|
||||
proto_state = UBX_ID;
|
||||
break;
|
||||
case UBX_ID:
|
||||
ubx->header.id = c;
|
||||
proto_state = UBX_LEN1;
|
||||
break;
|
||||
case UBX_LEN1:
|
||||
ubx->header.len = c;
|
||||
proto_state = UBX_LEN2;
|
||||
break;
|
||||
case UBX_LEN2:
|
||||
ubx->header.len += (c << 8);
|
||||
if (ubx->header.len > sizeof(UBXPayload)) {
|
||||
gpsRxStats->gpsRxOverflow++;
|
||||
proto_state = START;
|
||||
} else {
|
||||
rx_count = 0;
|
||||
proto_state = UBX_PAYLOAD;
|
||||
}
|
||||
break;
|
||||
case UBX_PAYLOAD:
|
||||
if (rx_count < ubx->header.len) {
|
||||
ubx->payload.payload[rx_count] = c;
|
||||
if (++rx_count == ubx->header.len)
|
||||
proto_state = UBX_CHK1;
|
||||
} else {
|
||||
gpsRxStats->gpsRxOverflow++;
|
||||
proto_state = START;
|
||||
}
|
||||
break;
|
||||
case UBX_CHK1:
|
||||
ubx->header.ck_a = c;
|
||||
proto_state = UBX_CHK2;
|
||||
break;
|
||||
case UBX_CHK2:
|
||||
ubx->header.ck_b = c;
|
||||
if (checksum_ubx_message(ubx)) { // message complete and valid
|
||||
parse_ubx_message(ubx, GpsData);
|
||||
proto_state = FINISHED;
|
||||
} else {
|
||||
gpsRxStats->gpsRxChkSumError++;
|
||||
proto_state = START;
|
||||
}
|
||||
break;
|
||||
default: break;
|
||||
}
|
||||
|
||||
if (proto_state == START)
|
||||
return PARSER_ERROR; // parser couldn't use this byte
|
||||
else if (proto_state == FINISHED) {
|
||||
gpsRxStats->gpsRxReceived++;
|
||||
proto_state = START;
|
||||
return PARSER_COMPLETE; // message complete & processed
|
||||
}
|
||||
|
||||
return PARSER_INCOMPLETE; // message not (yet) complete
|
||||
}
|
||||
|
||||
|
||||
// Keep track of various GPS messages needed to make up a single UAVO update
|
||||
// time-of-week timestamp is used to correlate matching messages
|
||||
|
||||
#define POSLLH_RECEIVED (1 << 0)
|
||||
#define STATUS_RECEIVED (1 << 1)
|
||||
#define DOP_RECEIVED (1 << 2)
|
||||
#define VELNED_RECEIVED (1 << 3)
|
||||
#define SOL_RECEIVED (1 << 4)
|
||||
#define ALL_RECEIVED (SOL_RECEIVED | VELNED_RECEIVED | DOP_RECEIVED | POSLLH_RECEIVED)
|
||||
#define NONE_RECEIVED 0
|
||||
|
||||
static struct msgtracker{
|
||||
uint32_t currentTOW; // TOW of the message set currently in progress
|
||||
uint8_t msg_received; // keep track of received message types
|
||||
} msgtracker;
|
||||
|
||||
// Check if a message belongs to the current data set and register it as 'received'
|
||||
bool check_msgtracker (uint32_t tow, uint8_t msg_flag)
|
||||
{
|
||||
|
||||
if (tow > msgtracker.currentTOW ? true // start of a new message set
|
||||
: (msgtracker.currentTOW - tow > 6*24*3600*1000)) { // 6 days, TOW wrap around occured
|
||||
msgtracker.currentTOW = tow;
|
||||
msgtracker.msg_received = NONE_RECEIVED;
|
||||
} else if (tow < msgtracker.currentTOW) // message outdated (don't process)
|
||||
return false;
|
||||
|
||||
msgtracker.msg_received |= msg_flag; // register reception of this msg type
|
||||
return true;
|
||||
}
|
||||
|
||||
bool checksum_ubx_message (struct UBXPacket *ubx)
|
||||
{
|
||||
int i;
|
||||
uint8_t ck_a, ck_b;
|
||||
@ -50,50 +177,165 @@ bool checksum_ubx_message (UBXPacket *ubx)
|
||||
ck_a += ubx->header.len >> 8;
|
||||
ck_b += ck_a;
|
||||
|
||||
|
||||
|
||||
for (i = 0; i < ubx->header.len; i++)
|
||||
{
|
||||
for (i = 0; i < ubx->header.len; i++) {
|
||||
ck_a += ubx->payload.payload[i];
|
||||
ck_b += ck_a;
|
||||
}
|
||||
|
||||
if (ubx->header.ck_a == ck_a &&
|
||||
ubx->header.ck_b == ck_b)
|
||||
{
|
||||
return true;
|
||||
}
|
||||
else
|
||||
return false;
|
||||
|
||||
}
|
||||
|
||||
void parse_ubx_nav_velned (UBXPayload payload)
|
||||
void parse_ubx_nav_posllh (struct UBX_NAV_POSLLH *posllh, GPSPositionData *GpsPosition)
|
||||
{
|
||||
#if defined(REVOLUTION)
|
||||
GPSVelocityData GpsVelocity;
|
||||
GPSVelocityGet(&GpsVelocity);
|
||||
|
||||
GpsVelocity.North = (float)payload.nav_velned.velN/100.0f;
|
||||
GpsVelocity.East = (float)payload.nav_velned.velE/100.0f;
|
||||
GpsVelocity.Down = (float)payload.nav_velned.velD/100.0f;
|
||||
|
||||
GPSVelocitySet(&GpsVelocity);
|
||||
#endif
|
||||
}
|
||||
|
||||
void parse_ubx_message (UBXPacket *ubx)
|
||||
{
|
||||
switch (ubx->header.class)
|
||||
{
|
||||
case UBX_CLASS_NAV:
|
||||
switch (ubx->header.id)
|
||||
{
|
||||
case UBX_ID_VELNED:
|
||||
parse_ubx_nav_velned (ubx->payload);
|
||||
}
|
||||
break;
|
||||
if (check_msgtracker(posllh->iTOW, POSLLH_RECEIVED)) {
|
||||
if (GpsPosition->Status != GPSPOSITION_STATUS_NOFIX) {
|
||||
GpsPosition->Altitude = (float)posllh->hMSL*0.001f;
|
||||
GpsPosition->GeoidSeparation = (float)(posllh->height - posllh->hMSL)*0.001f;
|
||||
GpsPosition->Latitude = posllh->lat;
|
||||
GpsPosition->Longitude = posllh->lon;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void parse_ubx_nav_sol (struct UBX_NAV_SOL *sol, GPSPositionData *GpsPosition)
|
||||
{
|
||||
if (check_msgtracker(sol->iTOW, SOL_RECEIVED)) {
|
||||
GpsPosition->Satellites = sol->numSV;
|
||||
|
||||
if (sol->flags & STATUS_FLAGS_GPSFIX_OK) {
|
||||
switch (sol->gpsFix) {
|
||||
case STATUS_GPSFIX_2DFIX:
|
||||
GpsPosition->Status = GPSPOSITION_STATUS_FIX2D;
|
||||
break;
|
||||
case STATUS_GPSFIX_3DFIX:
|
||||
GpsPosition->Status = GPSPOSITION_STATUS_FIX3D;
|
||||
break;
|
||||
default: GpsPosition->Status = GPSPOSITION_STATUS_NOFIX;
|
||||
}
|
||||
}
|
||||
else // fix is not valid so we make sure to treat is as NOFIX
|
||||
GpsPosition->Status = GPSPOSITION_STATUS_NOFIX;
|
||||
}
|
||||
}
|
||||
|
||||
void parse_ubx_nav_dop (struct UBX_NAV_DOP *dop, GPSPositionData *GpsPosition)
|
||||
{
|
||||
if (check_msgtracker(dop->iTOW, DOP_RECEIVED)) {
|
||||
GpsPosition->HDOP = (float)dop->hDOP * 0.01f;
|
||||
GpsPosition->VDOP = (float)dop->vDOP * 0.01f;
|
||||
GpsPosition->PDOP = (float)dop->pDOP * 0.01f;
|
||||
}
|
||||
}
|
||||
|
||||
void parse_ubx_nav_velned (struct UBX_NAV_VELNED *velned, GPSPositionData *GpsPosition)
|
||||
{
|
||||
GPSVelocityData GpsVelocity;
|
||||
|
||||
if (check_msgtracker(velned->iTOW, VELNED_RECEIVED)) {
|
||||
if (GpsPosition->Status != GPSPOSITION_STATUS_NOFIX) {
|
||||
GpsVelocity.North = (float)velned->velN/100.0f;
|
||||
GpsVelocity.East = (float)velned->velE/100.0f;
|
||||
GpsVelocity.Down = (float)velned->velD/100.0f;
|
||||
GPSVelocitySet(&GpsVelocity);
|
||||
GpsPosition->Groundspeed = (float)velned->gSpeed * 0.01f;
|
||||
GpsPosition->Heading = (float)velned->heading * 1.0e-5f;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#if !defined(PIOS_GPS_MINIMAL)
|
||||
void parse_ubx_nav_timeutc (UBX_NAV_TIMEUTC *timeutc)
|
||||
{
|
||||
if (!(timeutc->valid & TIMEUTC_VALIDUTC))
|
||||
return;
|
||||
|
||||
GPSTimeData GpsTime;
|
||||
|
||||
GpsTime.Year = timeutc->year;
|
||||
GpsTime.Month = timeutc->month;
|
||||
GpsTime.Day = timeutc->day;
|
||||
GpsTime.Hour = timeutc->hour;
|
||||
GpsTime.Minute = timeutc->min;
|
||||
GpsTime.Second = timeutc->sec;
|
||||
|
||||
GPSTimeSet(&GpsTime);
|
||||
}
|
||||
#endif
|
||||
|
||||
#if !defined(PIOS_GPS_MINIMAL)
|
||||
void parse_ubx_nav_svinfo (UBX_NAV_SVINFO *svinfo)
|
||||
{
|
||||
uint8_t chan;
|
||||
GPSSatellitesData svdata;
|
||||
|
||||
svdata.SatsInView = 0;
|
||||
for (chan = 0; chan < svinfo->numCh; chan++) {
|
||||
if (svdata.SatsInView < GPSSATELLITES_PRN_NUMELEM) {
|
||||
svdata.Azimuth[svdata.SatsInView] = (float)svinfo->sv[chan].azim;
|
||||
svdata.Elevation[svdata.SatsInView] = (float)svinfo->sv[chan].elev;
|
||||
svdata.PRN[svdata.SatsInView] = svinfo->sv[chan].svid;
|
||||
svdata.SNR[svdata.SatsInView] = svinfo->sv[chan].cno;
|
||||
svdata.SatsInView++;
|
||||
}
|
||||
|
||||
}
|
||||
// fill remaining slots (if any)
|
||||
for (chan = svdata.SatsInView; chan < GPSSATELLITES_PRN_NUMELEM; chan++) {
|
||||
svdata.Azimuth[chan] = (float)0.0f;
|
||||
svdata.Elevation[chan] = (float)0.0f;
|
||||
svdata.PRN[chan] = 0;
|
||||
svdata.SNR[chan] = 0;
|
||||
}
|
||||
|
||||
GPSSatellitesSet(&svdata);
|
||||
}
|
||||
#endif
|
||||
|
||||
// UBX message parser
|
||||
// returns UAVObjectID if a UAVObject structure is ready for further processing
|
||||
|
||||
uint32_t parse_ubx_message (struct UBXPacket *ubx, GPSPositionData *GpsPosition)
|
||||
{
|
||||
uint32_t id = 0;
|
||||
|
||||
switch (ubx->header.class) {
|
||||
case UBX_CLASS_NAV:
|
||||
switch (ubx->header.id) {
|
||||
case UBX_ID_POSLLH:
|
||||
parse_ubx_nav_posllh (&ubx->payload.nav_posllh, GpsPosition);
|
||||
break;
|
||||
case UBX_ID_DOP:
|
||||
parse_ubx_nav_dop (&ubx->payload.nav_dop, GpsPosition);
|
||||
break;
|
||||
case UBX_ID_SOL:
|
||||
parse_ubx_nav_sol (&ubx->payload.nav_sol, GpsPosition);
|
||||
break;
|
||||
case UBX_ID_VELNED:
|
||||
parse_ubx_nav_velned (&ubx->payload.nav_velned, GpsPosition);
|
||||
break;
|
||||
#if !defined(PIOS_GPS_MINIMAL)
|
||||
case UBX_ID_TIMEUTC:
|
||||
parse_ubx_nav_timeutc (&ubx->payload.nav_timeutc);
|
||||
break;
|
||||
case UBX_ID_SVINFO:
|
||||
parse_ubx_nav_svinfo (&ubx->payload.nav_svinfo);
|
||||
break;
|
||||
#endif
|
||||
}
|
||||
break;
|
||||
}
|
||||
if (msgtracker.msg_received == ALL_RECEIVED) {
|
||||
GPSPositionSet(GpsPosition);
|
||||
msgtracker.msg_received = NONE_RECEIVED;
|
||||
id = GPSPOSITION_OBJID;
|
||||
}
|
||||
return id;
|
||||
}
|
||||
|
||||
#endif // PIOS_INCLUDE_GPS_UBX_PARSER
|
||||
|
||||
|
@ -34,6 +34,24 @@
|
||||
#ifndef GPS_H
|
||||
#define GPS_H
|
||||
|
||||
#include "gpsvelocity.h"
|
||||
#include "gpssatellites.h"
|
||||
#include "gpsposition.h"
|
||||
#include "gpstime.h"
|
||||
|
||||
#define NO_PARSER -3 // no parser available
|
||||
#define PARSER_OVERRUN -2 // message buffer overrun before completing the message
|
||||
#define PARSER_ERROR -1 // message unparsable by this parser
|
||||
#define PARSER_INCOMPLETE 0 // parser needs more data to complete the message
|
||||
#define PARSER_COMPLETE 1 // parser has received a complete message and finished processing
|
||||
|
||||
struct GPS_RX_STATS {
|
||||
uint16_t gpsRxReceived;
|
||||
uint16_t gpsRxChkSumError;
|
||||
uint16_t gpsRxOverflow;
|
||||
uint16_t gpsRxParserError;
|
||||
};
|
||||
|
||||
int32_t GPSInitialize(void);
|
||||
|
||||
#endif // GPS_H
|
||||
|
@ -33,8 +33,12 @@
|
||||
|
||||
#include <stdbool.h>
|
||||
#include <stdint.h>
|
||||
#include "GPS.h"
|
||||
|
||||
#define NMEA_MAX_PACKET_LENGTH 96 // 82 max NMEA msg size plus 12 margin (because some vendors add custom crap) plus CR plus Linefeed
|
||||
|
||||
extern bool NMEA_update_position(char *nmea_sentence, GPSPositionData *GpsData);
|
||||
extern bool NMEA_checksum(char *nmea_sentence);
|
||||
extern int parse_nmea_stream(uint8_t, char *, GPSPositionData *, struct GPS_RX_STATS *);
|
||||
|
||||
#endif /* NMEA_H */
|
||||
|
@ -1,80 +1,224 @@
|
||||
/**
|
||||
******************************************************************************
|
||||
* @addtogroup OpenPilotModules OpenPilot Modules
|
||||
* @{
|
||||
* @addtogroup GSPModule GPS Module
|
||||
* @brief Process GPS information
|
||||
* @{
|
||||
*
|
||||
* @file UBX.h
|
||||
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
|
||||
* @brief GPS module, handles GPS and NMEA stream
|
||||
* @see The GNU Public License (GPL) Version 3
|
||||
*
|
||||
*****************************************************************************/
|
||||
/*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful, but
|
||||
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
||||
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
* for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License along
|
||||
* with this program; if not, write to the Free Software Foundation, Inc.,
|
||||
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#ifndef UBX_H
|
||||
#define UBX_H
|
||||
#include "openpilot.h"
|
||||
|
||||
#define UBX_SYNC1 0xb5 // UBX protocol synchronization characters
|
||||
#define UBX_SYNC2 0x62
|
||||
|
||||
// From u-blox6 receiver protocol specification
|
||||
|
||||
// Messages classes
|
||||
#define UBX_CLASS_NAV 0x01
|
||||
|
||||
// Message IDs
|
||||
#define UBX_ID_VELNED 0x12
|
||||
|
||||
// private structures
|
||||
|
||||
typedef struct {
|
||||
uint32_t iTOW; // ms GPS Millisecond Time of Week
|
||||
int32_t velN; // cm/s NED north velocity
|
||||
int32_t velE; // cm/s NED east velocity
|
||||
int32_t velD; // cm/s NED down velocity
|
||||
uint32_t speed; // cm/s Speed (3-D)
|
||||
uint32_t gSpeed; // cm/s Ground Speed (2-D)
|
||||
int32_t heading; // 1e-5 *deg Heading of motion 2-D
|
||||
uint32_t sAcc; // cm/s Speed Accuracy Estimate
|
||||
uint32_t cAcc; // 1e-5 *deg Course / Heading Accuracy Estimate
|
||||
} UBX_NAV_VELNED;
|
||||
|
||||
typedef union { // add more message types later
|
||||
uint8_t payload[0];
|
||||
UBX_NAV_VELNED nav_velned;
|
||||
} UBXPayload;
|
||||
|
||||
typedef struct {
|
||||
uint8_t class;
|
||||
uint8_t id;
|
||||
uint16_t len;
|
||||
uint8_t ck_a;
|
||||
uint8_t ck_b;
|
||||
} UBXHeader;
|
||||
|
||||
typedef struct {
|
||||
UBXHeader header;
|
||||
UBXPayload payload;
|
||||
} UBXPacket;
|
||||
|
||||
bool checksum_ubx_message(UBXPacket *);
|
||||
void parse_ubx_message(UBXPacket *);
|
||||
#endif /* UBX_H */
|
||||
/**
|
||||
******************************************************************************
|
||||
* @addtogroup OpenPilotModules OpenPilot Modules
|
||||
* @{
|
||||
* @addtogroup GSPModule GPS Module
|
||||
* @brief Process GPS information
|
||||
* @{
|
||||
*
|
||||
* @file UBX.h
|
||||
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
|
||||
* @brief GPS module, handles GPS and NMEA stream
|
||||
* @see The GNU Public License (GPL) Version 3
|
||||
*
|
||||
*****************************************************************************/
|
||||
/*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful, but
|
||||
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
||||
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
* for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License along
|
||||
* with this program; if not, write to the Free Software Foundation, Inc.,
|
||||
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#ifndef UBX_H
|
||||
#define UBX_H
|
||||
#include "openpilot.h"
|
||||
#include "gpsposition.h"
|
||||
#include "GPS.h"
|
||||
|
||||
|
||||
#define UBX_SYNC1 0xb5 // UBX protocol synchronization characters
|
||||
#define UBX_SYNC2 0x62
|
||||
|
||||
// From u-blox6 receiver protocol specification
|
||||
|
||||
// Messages classes
|
||||
#define UBX_CLASS_NAV 0x01
|
||||
|
||||
// Message IDs
|
||||
#define UBX_ID_POSLLH 0x02
|
||||
#define UBX_ID_STATUS 0x03
|
||||
#define UBX_ID_DOP 0x04
|
||||
#define UBX_ID_SOL 0x06
|
||||
#define UBX_ID_VELNED 0x12
|
||||
#define UBX_ID_TIMEUTC 0x21
|
||||
#define UBX_ID_SVINFO 0x30
|
||||
|
||||
// private structures
|
||||
|
||||
// Geodetic Position Solution
|
||||
struct UBX_NAV_POSLLH {
|
||||
uint32_t iTOW; // GPS Millisecond Time of Week (ms)
|
||||
int32_t lon; // Longitude (deg*1e-7)
|
||||
int32_t lat; // Latitude (deg*1e-7)
|
||||
int32_t height; // Height above Ellipsoid (mm)
|
||||
int32_t hMSL; // Height above mean sea level (mm)
|
||||
uint32_t hAcc; // Horizontal Accuracy Estimate (mm)
|
||||
uint32_t vAcc; // Vertical Accuracy Estimate (mm)
|
||||
};
|
||||
|
||||
// Receiver Navigation Status
|
||||
|
||||
#define STATUS_GPSFIX_NOFIX 0x00
|
||||
#define STATUS_GPSFIX_DRONLY 0x01
|
||||
#define STATUS_GPSFIX_2DFIX 0x02
|
||||
#define STATUS_GPSFIX_3DFIX 0x03
|
||||
#define STATUS_GPSFIX_GPSDR 0x04
|
||||
#define STATUS_GPSFIX_TIMEONLY 0x05
|
||||
|
||||
#define STATUS_FLAGS_GPSFIX_OK (1 << 0)
|
||||
#define STATUS_FLAGS_DIFFSOLN (1 << 1)
|
||||
#define STATUS_FLAGS_WKNSET (1 << 2)
|
||||
#define STATUS_FLAGS_TOWSET (1 << 3)
|
||||
|
||||
struct UBX_NAV_STATUS {
|
||||
uint32_t iTOW; // GPS Millisecond Time of Week (ms)
|
||||
uint8_t gpsFix; // GPS fix type
|
||||
uint8_t flags; // Navigation Status Flags
|
||||
uint8_t fixStat; // Fix Status Information
|
||||
uint8_t flags2; // Additional navigation output information
|
||||
uint32_t ttff; // Time to first fix (ms)
|
||||
uint32_t msss; // Milliseconds since startup/reset (ms)
|
||||
};
|
||||
|
||||
// Dilution of precision
|
||||
struct UBX_NAV_DOP {
|
||||
uint32_t iTOW; // GPS Millisecond Time of Week (ms)
|
||||
uint16_t gDOP; // Geometric DOP
|
||||
uint16_t pDOP; // Position DOP
|
||||
uint16_t tDOP; // Time DOP
|
||||
uint16_t vDOP; // Vertical DOP
|
||||
uint16_t hDOP; // Horizontal DOP
|
||||
uint16_t nDOP; // Northing DOP
|
||||
uint16_t eDOP; // Easting DOP
|
||||
};
|
||||
|
||||
// Navigation solution
|
||||
|
||||
struct UBX_NAV_SOL {
|
||||
uint32_t iTOW; // GPS Millisecond Time of Week (ms)
|
||||
int32_t fTOW; // fractional nanoseconds (ns)
|
||||
int16_t week; // GPS week
|
||||
uint8_t gpsFix; // GPS fix type
|
||||
uint8_t flags; // Fix status flags
|
||||
int32_t ecefX; // ECEF X coordinate (cm)
|
||||
int32_t ecefY; // ECEF Y coordinate (cm)
|
||||
int32_t ecefZ; // ECEF Z coordinate (cm)
|
||||
uint32_t pAcc; // 3D Position Accuracy Estimate (cm)
|
||||
int32_t ecefVX; // ECEF X coordinate (cm/s)
|
||||
int32_t ecefVY; // ECEF Y coordinate (cm/s)
|
||||
int32_t ecefVZ; // ECEF Z coordinate (cm/s)
|
||||
uint32_t sAcc; // Speed Accuracy Estimate
|
||||
uint16_t pDOP; // Position DOP
|
||||
uint8_t reserved1; // Reserved
|
||||
uint8_t numSV; // Number of SVs used in Nav Solution
|
||||
uint32_t reserved2; // Reserved
|
||||
};
|
||||
|
||||
// North/East/Down velocity
|
||||
|
||||
struct UBX_NAV_VELNED {
|
||||
uint32_t iTOW; // ms GPS Millisecond Time of Week
|
||||
int32_t velN; // cm/s NED north velocity
|
||||
int32_t velE; // cm/s NED east velocity
|
||||
int32_t velD; // cm/s NED down velocity
|
||||
uint32_t speed; // cm/s Speed (3-D)
|
||||
uint32_t gSpeed; // cm/s Ground Speed (2-D)
|
||||
int32_t heading; // 1e-5 *deg Heading of motion 2-D
|
||||
uint32_t sAcc; // cm/s Speed Accuracy Estimate
|
||||
uint32_t cAcc; // 1e-5 *deg Course / Heading Accuracy Estimate
|
||||
};
|
||||
|
||||
// UTC Time Solution
|
||||
|
||||
#define TIMEUTC_VALIDTOW (1 << 0)
|
||||
#define TIMEUTC_VALIDWKN (1 << 1)
|
||||
#define TIMEUTC_VALIDUTC (1 << 2)
|
||||
|
||||
struct UBX_NAV_TIMEUTC {
|
||||
uint32_t iTOW; // GPS Millisecond Time of Week (ms)
|
||||
uint32_t tAcc; // Time Accuracy Estimate (ns)
|
||||
int32_t nano; // Nanoseconds of second
|
||||
uint16_t year;
|
||||
uint8_t month;
|
||||
uint8_t day;
|
||||
uint8_t hour;
|
||||
uint8_t min;
|
||||
uint8_t sec;
|
||||
uint8_t valid; // Validity Flags
|
||||
};
|
||||
|
||||
// Space Vehicle (SV) Information
|
||||
|
||||
// Single SV information block
|
||||
|
||||
#define SVUSED (1 << 0) // This SV is used for navigation
|
||||
#define DIFFCORR (1 << 1) // Differential correction available
|
||||
#define ORBITAVAIL (1 << 2) // Orbit information available
|
||||
#define ORBITEPH (1 << 3) // Orbit information is Ephemeris
|
||||
#define UNHEALTHY (1 << 4) // SV is unhealthy
|
||||
#define ORBITALM (1 << 5) // Orbit information is Almanac Plus
|
||||
#define ORBITAOP (1 << 6) // Orbit information is AssistNow Autonomous
|
||||
#define SMOOTHED (1 << 7) // Carrier smoothed pseudoranges used
|
||||
|
||||
struct UBX_NAV_SVINFO_SV {
|
||||
uint8_t chn; // Channel number
|
||||
uint8_t svid; // Satellite ID
|
||||
uint8_t flags; // Misc SV information
|
||||
uint8_t quality; // Misc quality indicators
|
||||
uint8_t cno; // Carrier to Noise Ratio (dbHz)
|
||||
int8_t elev; // Elevation (integer degrees)
|
||||
int16_t azim; // Azimuth (integer degrees)
|
||||
int32_t prRes; // Pseudo range residual (cm)
|
||||
};
|
||||
|
||||
// SV information message
|
||||
#define MAX_SVS 16
|
||||
|
||||
struct UBX_NAV_SVINFO {
|
||||
uint32_t iTOW; // GPS Millisecond Time of Week (ms)
|
||||
uint8_t numCh; // Number of channels
|
||||
uint8_t globalFlags; //
|
||||
uint16_t reserved2; // Reserved
|
||||
struct UBX_NAV_SVINFO_SV sv[MAX_SVS]; // Repeated 'numCh' times
|
||||
};
|
||||
|
||||
typedef union {
|
||||
uint8_t payload[0];
|
||||
struct UBX_NAV_POSLLH nav_posllh;
|
||||
struct UBX_NAV_STATUS nav_status;
|
||||
struct UBX_NAV_DOP nav_dop;
|
||||
struct UBX_NAV_SOL nav_sol;
|
||||
struct UBX_NAV_VELNED nav_velned;
|
||||
#if !defined(PIOS_GPS_MINIMAL)
|
||||
struct UBX_NAV_TIMEUTC nav_timeutc;
|
||||
struct UBX_NAV_SVINFO nav_svinfo;
|
||||
#endif
|
||||
} UBXPayload;
|
||||
|
||||
struct UBXHeader {
|
||||
uint8_t class;
|
||||
uint8_t id;
|
||||
uint16_t len;
|
||||
uint8_t ck_a;
|
||||
uint8_t ck_b;
|
||||
};
|
||||
|
||||
struct UBXPacket {
|
||||
struct UBXHeader header;
|
||||
UBXPayload payload;
|
||||
};
|
||||
|
||||
bool checksum_ubx_message(struct UBXPacket *);
|
||||
uint32_t parse_ubx_message(struct UBXPacket *, GPSPositionData *);
|
||||
int parse_ubx_stream(uint8_t, char *, GPSPositionData *, struct GPS_RX_STATS *);
|
||||
|
||||
#endif /* UBX_H */
|
||||
|
@ -50,6 +50,7 @@ UAVOBJSRCFILENAMES += gcstelemetrystats
|
||||
UAVOBJSRCFILENAMES += gcsreceiver
|
||||
UAVOBJSRCFILENAMES += gpsposition
|
||||
UAVOBJSRCFILENAMES += gpssatellites
|
||||
UAVOBJSRCFILENAMES += gpssettings
|
||||
UAVOBJSRCFILENAMES += gpstime
|
||||
UAVOBJSRCFILENAMES += gpsvelocity
|
||||
UAVOBJSRCFILENAMES += vtolpathfollowersettings
|
||||
|
@ -47,6 +47,8 @@ UAVOBJSRCFILENAMES += gcstelemetrystats
|
||||
UAVOBJSRCFILENAMES += gpsposition
|
||||
UAVOBJSRCFILENAMES += gpssatellites
|
||||
UAVOBJSRCFILENAMES += gpstime
|
||||
UAVOBJSRCFILENAMES += gpssettings
|
||||
UAVOBJSRCFILENAMES += gpsvelocity
|
||||
UAVOBJSRCFILENAMES += guidancesettings
|
||||
UAVOBJSRCFILENAMES += homelocation
|
||||
UAVOBJSRCFILENAMES += i2cstats
|
||||
|
@ -2788,7 +2788,7 @@ p, li { white-space: pre-wrap; }
|
||||
<table border="0" style="-qt-table-type: root; margin-top:4px; margin-bottom:4px; margin-left:4px; margin-right:4px;">
|
||||
<tr>
|
||||
<td style="border: none;">
|
||||
<p align="center" style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-family:'Ubuntu'; font-size:14pt; font-weight:600; color:#ff0000;">SETTING UP FEED FORWARD IS DANGEROUS</span></p>
|
||||
<p align="center" style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-family:'Ubuntu'; font-size:14pt; font-weight:600; color:#ff0000;">SETTING UP FEED FORWARD NEEDS CAUTION</span></p>
|
||||
<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-family:'Ubuntu'; font-size:11pt;"></p>
|
||||
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Beware: Feed Forward Tuning will launch all engines around mid-throttle, you have been warned!</p>
|
||||
<p style=" margin-top:12px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Remove your props initially, and for fine-tuning, make sure your airframe is safely held in place. Wear glasses and protect your face and body.</p></td></tr></table></body></html></string>
|
||||
|
@ -123,7 +123,7 @@ void GpsConstellationWidget::updateSat(int index, int prn, int elevation, int az
|
||||
satellites[index][2] = azimuth;
|
||||
satellites[index][3] = snr;
|
||||
|
||||
if (prn) {
|
||||
if (prn && elevation >= 0) {
|
||||
QPointF opd = polarToCoord(elevation,azimuth);
|
||||
opd += QPointF(-satIcons[index]->boundingRect().center().x(),
|
||||
-satIcons[index]->boundingRect().center().y());
|
||||
|
@ -60,6 +60,7 @@ HEADERS += $$UAVOBJECT_SYNTHETICS/accessorydesired.h \
|
||||
$$UAVOBJECT_SYNTHETICS/gpssatellites.h \
|
||||
$$UAVOBJECT_SYNTHETICS/pathdesired.h \
|
||||
$$UAVOBJECT_SYNTHETICS/pathplannersettings.h \
|
||||
$$UAVOBJECT_SYNTHETICS/gpssettings.h \
|
||||
$$UAVOBJECT_SYNTHETICS/gpsvelocity.h \
|
||||
$$UAVOBJECT_SYNTHETICS/positionactual.h \
|
||||
$$UAVOBJECT_SYNTHETICS/flightbatterystate.h \
|
||||
@ -131,6 +132,7 @@ SOURCES += $$UAVOBJECT_SYNTHETICS/accessorydesired.cpp \
|
||||
$$UAVOBJECT_SYNTHETICS/gpssatellites.cpp \
|
||||
$$UAVOBJECT_SYNTHETICS/pathdesired.cpp \
|
||||
$$UAVOBJECT_SYNTHETICS/pathplannersettings.cpp \
|
||||
$$UAVOBJECT_SYNTHETICS/gpssettings.cpp \
|
||||
$$UAVOBJECT_SYNTHETICS/gpsvelocity.cpp \
|
||||
$$UAVOBJECT_SYNTHETICS/positionactual.cpp \
|
||||
$$UAVOBJECT_SYNTHETICS/flightbatterystate.cpp \
|
||||
|
10
shared/uavobjectdefinition/gpssettings.xml
Normal file
10
shared/uavobjectdefinition/gpssettings.xml
Normal file
@ -0,0 +1,10 @@
|
||||
<xml>
|
||||
<object name="GPSSettings" singleinstance="true" settings="true">
|
||||
<description>Settings for the GPS</description>
|
||||
<field name="DataProtocol" units="" type="enum" elements="1" options="NMEA,UBX" defaultvalue="NMEA"/>
|
||||
<access gcs="readwrite" flight="readwrite"/>
|
||||
<telemetrygcs acked="true" updatemode="onchange" period="0"/>
|
||||
<telemetryflight acked="true" updatemode="onchange" period="0"/>
|
||||
<logging updatemode="manual" period="0"/>
|
||||
</object>
|
||||
</xml>
|
@ -1,6 +1,6 @@
|
||||
<xml>
|
||||
<object name="GPSVelocity" singleinstance="true" settings="false">
|
||||
<description>Raw GPS data from @ref GPSModule. Should only be used by @ref AHRSCommsModule.</description>
|
||||
<description>Raw GPS data from @ref GPSModule.</description>
|
||||
<field name="North" units="m/s" type="float" elements="1"/>
|
||||
<field name="East" units="m/s" type="float" elements="1"/>
|
||||
<field name="Down" units="m/s" type="float" elements="1"/>
|
||||
|
Loading…
Reference in New Issue
Block a user