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System -> Settings -> GPSSettings -> UbxGNSSMode The options GPS+Galileo and GPS+GLONASS+Galileo have been added. Also corrected PRN mask for EGNOS SBAS information. Active PRN: 120 & 136 , 123 Ref: https://egnos-user-support.essp-sas.eu/new_egnos_ops/index.php
948 lines
45 KiB
C
948 lines
45 KiB
C
/**
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******************************************************************************
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* @addtogroup OpenPilotModules OpenPilot Modules
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* @{
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* @addtogroup GPSModule GPS Module
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* @brief Support code for UBX AutoConfig
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* @{
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*
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* @file ubx_autoconfig.c
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* @author The LibrePilot Project, http://www.librepilot.org Copyright (C) 2015-2016.
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* The OpenPilot Team, http://www.openpilot.org Copyright (C) 2014.
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* @brief Support code for UBX AutoConfig
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* @see The GNU Public License (GPL) Version 3
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*
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*****************************************************************************/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <openpilot.h>
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#include "hwsettings.h"
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#include "gpssettings.h"
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#include "inc/ubx_autoconfig.h"
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#include <pios_mem.h>
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#include "taskinfo.h"
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// private type definitions
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typedef enum {
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INIT_STEP_DISABLED = 0,
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INIT_STEP_START,
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INIT_STEP_SEND_MON_VER,
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INIT_STEP_WAIT_MON_VER_ACK,
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INIT_STEP_RESET_GPS,
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INIT_STEP_REVO_9600_BAUD,
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INIT_STEP_GPS_BAUD,
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INIT_STEP_REVO_BAUD,
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INIT_STEP_ENABLE_SENTENCES,
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INIT_STEP_ENABLE_SENTENCES_WAIT_ACK,
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INIT_STEP_CONFIGURE,
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INIT_STEP_CONFIGURE_WAIT_ACK,
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INIT_STEP_SAVE,
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INIT_STEP_SAVE_WAIT_ACK,
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INIT_STEP_PRE_DONE,
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INIT_STEP_DONE,
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INIT_STEP_PRE_ERROR,
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INIT_STEP_ERROR
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} initSteps_t;
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typedef struct {
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initSteps_t currentStep; // Current configuration "fsm" status
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initSteps_t currentStepSave; // Current configuration "fsm" status
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uint32_t lastStepTimestampRaw; // timestamp of last operation
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uint32_t lastConnectedRaw; // timestamp of last time gps was connected
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struct {
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union {
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struct {
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UBXSentPacket_t working_packet; // outbound "buffer"
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// bufferPaddingForPiosBugAt2400Baud must exist for baud rate change to work at 2400 or 4800
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// failure mode otherwise:
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// - send message with baud rate change
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// - wait 1 second (even at 2400, the baud rate change command
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// - should clear even an initially full 31 byte PIOS buffer much more quickly)
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// - change Revo port baud rate
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// sometimes fails (much worse for lowest baud rates)
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// FIXME: remove this and retest when someone has time
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uint8_t bufferPaddingForPiosBugAt2400Baud[2]; // must be at least 2 for 2400 to work, probably 1 for 4800 and 0 for 9600+
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} __attribute__((packed));
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GPSSettingsData gpsSettings;
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} __attribute__((packed));
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} __attribute__((packed));
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volatile ubx_autoconfig_settings_t currentSettings;
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int8_t lastConfigSent; // index of last configuration string sent
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struct UBX_ACK_ACK requiredAck; // Class and id of the message we are waiting for an ACK from GPS
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uint8_t retryCount;
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} status_t;
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ubx_cfg_msg_t msg_config_ubx6[] = {
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// messages to disable
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_CLOCK, .rate = 0 },
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_POSECEF, .rate = 0 },
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_SBAS, .rate = 0 },
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_TIMEGPS, .rate = 0 },
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_VELECEF, .rate = 0 },
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{ .msgClass = UBX_CLASS_MON, .msgID = UBX_ID_MON_HW, .rate = 0 },
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{ .msgClass = UBX_CLASS_MON, .msgID = UBX_ID_MON_HW2, .rate = 0 },
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{ .msgClass = UBX_CLASS_MON, .msgID = UBX_ID_MON_IO, .rate = 0 },
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{ .msgClass = UBX_CLASS_MON, .msgID = UBX_ID_MON_MSGPP, .rate = 0 },
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{ .msgClass = UBX_CLASS_MON, .msgID = UBX_ID_MON_RXBUFF, .rate = 0 },
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{ .msgClass = UBX_CLASS_MON, .msgID = UBX_ID_MON_RXR, .rate = 0 },
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{ .msgClass = UBX_CLASS_MON, .msgID = UBX_ID_MON_TXBUF, .rate = 0 },
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{ .msgClass = UBX_CLASS_RXM, .msgID = UBX_ID_RXM_SVSI, .rate = 0 },
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// message to enable
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_POSLLH, .rate = 1 },
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_DOP, .rate = 1 },
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_SOL, .rate = 1 },
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_STATUS, .rate = 1 },
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_VELNED, .rate = 1 },
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_TIMEUTC, .rate = 1 },
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_SVINFO, .rate = 10 },
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};
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ubx_cfg_msg_t msg_config_ubx7[] = {
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// messages to disable
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_AOPSTATUS, .rate = 0 },
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_CLOCK, .rate = 0 },
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_DGPS, .rate = 0 },
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_POSECEF, .rate = 0 },
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_SBAS, .rate = 0 },
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_TIMEGPS, .rate = 0 },
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_VELECEF, .rate = 0 },
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_SOL, .rate = 0 },
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_STATUS, .rate = 0 },
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_VELNED, .rate = 0 },
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_TIMEUTC, .rate = 0 },
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_POSLLH, .rate = 0 },
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{ .msgClass = UBX_CLASS_MON, .msgID = UBX_ID_MON_HW, .rate = 0 },
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{ .msgClass = UBX_CLASS_MON, .msgID = UBX_ID_MON_HW2, .rate = 0 },
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{ .msgClass = UBX_CLASS_MON, .msgID = UBX_ID_MON_IO, .rate = 0 },
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{ .msgClass = UBX_CLASS_MON, .msgID = UBX_ID_MON_MSGPP, .rate = 0 },
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{ .msgClass = UBX_CLASS_MON, .msgID = UBX_ID_MON_RXBUFF, .rate = 0 },
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{ .msgClass = UBX_CLASS_MON, .msgID = UBX_ID_MON_RXR, .rate = 0 },
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{ .msgClass = UBX_CLASS_MON, .msgID = UBX_ID_MON_TXBUF, .rate = 0 },
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{ .msgClass = UBX_CLASS_RXM, .msgID = UBX_ID_RXM_SVSI, .rate = 0 },
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// message to enable
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_PVT, .rate = 1 },
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_DOP, .rate = 1 },
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{ .msgClass = UBX_CLASS_NAV, .msgID = UBX_ID_NAV_SVINFO, .rate = 10 },
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};
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// private defines
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#define LAST_CONFIG_SENT_START (-1)
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#define LAST_CONFIG_SENT_COMPLETED (-2)
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// always reset the stored GPS configuration, even when doing autoconfig.nostore
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// that is required to do a 100% correct configuration
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// but is unexpected because it changes the stored configuration when doing autoconfig.nostore
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// note that a reset is always done with autoconfig.store
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// #define ALWAYS_RESET
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// we can enable this when we know how to make the Flight Controller save an object to permanent storage
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// also see comment about simple edit in gpssettings.xml
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#define AUTOBAUD_CONFIGURE_STORE_AND_DISABLE
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// Alessio Morale May 20 3:16 AM
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// @Cliff you should update the ObjectPersistence uavo passing the object id and the desired operation.
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// private variables
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// enable the autoconfiguration system
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static volatile bool enabled = false;
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static volatile bool current_step_touched = false;
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// both the pointer and what it points to are volatile. Yuk.
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static volatile status_t *volatile status = 0;
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static uint8_t hwsettings_baud;
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static uint8_t baud_to_try_index = 255;
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// functions
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static void append_checksum(UBXSentPacket_t *packet)
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{
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uint8_t i;
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uint8_t ck_a = 0;
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uint8_t ck_b = 0;
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uint16_t len = packet->message.header.len + sizeof(UBXSentHeader_t);
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for (i = 2; i < len; i++) {
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ck_a += packet->buffer[i];
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ck_b += ck_a;
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}
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packet->buffer[len] = ck_a;
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packet->buffer[len + 1] = ck_b;
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}
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/**
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* prepare a packet to be sent, fill the header and appends the checksum.
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* return the total packet lenght comprising header and checksum
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*/
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static uint16_t prepare_packet(UBXSentPacket_t *packet, uint8_t classID, uint8_t messageID, uint16_t len)
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{
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memset((uint8_t *)status->working_packet.buffer + len + sizeof(UBXSentHeader_t) + 2, 0, sizeof(status->bufferPaddingForPiosBugAt2400Baud));
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packet->message.header.prolog[0] = UBX_SYNC1;
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packet->message.header.prolog[1] = UBX_SYNC2;
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packet->message.header.class = classID;
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packet->message.header.id = messageID;
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packet->message.header.len = len;
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append_checksum(packet);
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status->requiredAck.clsID = classID;
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status->requiredAck.msgID = messageID;
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return len + sizeof(UBXSentHeader_t) + 2 + sizeof(status->bufferPaddingForPiosBugAt2400Baud); // payload + header + checksum + extra bytes
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}
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static void build_request(UBXSentPacket_t *packet, uint8_t classID, uint8_t messageID, uint16_t *bytes_to_send)
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{
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*bytes_to_send = prepare_packet(packet, classID, messageID, 0);
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}
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static void set_current_step_if_untouched(initSteps_t new_steps)
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{
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// assume this one byte initSteps_t is atomic
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// take care of some concurrency issues
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if (!current_step_touched) {
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status->currentStep = new_steps;
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}
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if (current_step_touched) {
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status->currentStep = status->currentStepSave;
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}
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}
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void gps_ubx_reset_sensor_type()
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{
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static uint8_t mutex; // = 0
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// is this needed?
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// what happens if two tasks / threads try to do an XyzSet() at the same time?
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if (__sync_fetch_and_add(&mutex, 1) == 0) {
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ubxHwVersion = -1;
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baud_to_try_index -= 1; // undo postincrement and start with the one that was most recently successful
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ubxSensorType = GPSPOSITIONSENSOR_SENSORTYPE_UNKNOWN;
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GPSPositionSensorSensorTypeSet(&ubxSensorType);
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// make the sensor type / autobaud code time out immediately to send the request immediately
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status->lastStepTimestampRaw += 0x8000000UL;
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}
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--mutex;
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}
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static void config_reset(uint16_t *bytes_to_send)
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{
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memset((uint8_t *)status->working_packet.buffer, 0, sizeof(UBXSentHeader_t) + sizeof(ubx_cfg_cfg_t));
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// mask LSB=ioPort|msgConf|infMsg|navConf|rxmConf|||||rinvConf|antConf|....|= MSB
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// ioPort=1, msgConf=2, infMsg=4, navConf=8, tpConf=0x10, sfdrConf=0x100, rinvConf=0x200, antConf=0x400
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// first: reset (permanent settings to default) all but rinv = e.g. owner name
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status->working_packet.message.payload.cfg_cfg.clearMask = UBX_CFG_CFG_OP_RESET_SETTINGS;
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// then: don't store any current settings to permanent
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status->working_packet.message.payload.cfg_cfg.saveMask = UBX_CFG_CFG_SETTINGS_NONE;
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// lastly: load (immediately start to use) all but rinv = e.g. owner name
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status->working_packet.message.payload.cfg_cfg.loadMask = UBX_CFG_CFG_OP_RESET_SETTINGS;
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// all devices
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status->working_packet.message.payload.cfg_cfg.deviceMask = UBX_CFG_CFG_DEVICE_ALL;
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*bytes_to_send = prepare_packet((UBXSentPacket_t *)&status->working_packet, UBX_CLASS_CFG, UBX_ID_CFG_CFG, sizeof(ubx_cfg_cfg_t));
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}
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// set the GPS baud rate to the user specified baud rate
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// because we may have started up with 9600 baud (for a GPS with no permanent settings)
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static void config_gps_baud(uint16_t *bytes_to_send)
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{
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memset((uint8_t *)status->working_packet.buffer, 0, sizeof(UBXSentHeader_t) + sizeof(ubx_cfg_prt_t));
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status->working_packet.message.payload.cfg_prt.mode = UBX_CFG_PRT_MODE_DEFAULT; // 8databits, 1stopbit, noparity, and non-zero reserved
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status->working_packet.message.payload.cfg_prt.portID = 1; // 1 = UART1, 2 = UART2
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// for protocol masks, bit 0 is UBX enable, bit 1 is NMEA enable
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status->working_packet.message.payload.cfg_prt.inProtoMask = 1; // 1 = UBX only (bit 0)
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// disable current UBX messages for low baud rates
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status->working_packet.message.payload.cfg_prt.outProtoMask = 1;
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// Ask GPS to change it's speed
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status->working_packet.message.payload.cfg_prt.baudRate = hwsettings_gpsspeed_enum_to_baud(hwsettings_baud);
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*bytes_to_send = prepare_packet((UBXSentPacket_t *)&status->working_packet, UBX_CLASS_CFG, UBX_ID_CFG_PRT, sizeof(ubx_cfg_prt_t));
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}
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static void config_rate(uint16_t *bytes_to_send)
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{
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memset((uint8_t *)status->working_packet.buffer, 0, sizeof(UBXSentHeader_t) + sizeof(ubx_cfg_rate_t));
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// if rate is less than 1 uses the highest rate for current hardware
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uint16_t rate = status->currentSettings.navRate > 0 ? status->currentSettings.navRate : 99;
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if (ubxHwVersion < UBX_HW_VERSION_7 && rate > UBX_MAX_RATE) {
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rate = UBX_MAX_RATE;
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} else if (ubxHwVersion < UBX_HW_VERSION_8 && rate > UBX_MAX_RATE_VER7) {
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rate = UBX_MAX_RATE_VER7;
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} else if (ubxHwVersion >= UBX_HW_VERSION_8 && rate > UBX_MAX_RATE_VER8) {
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rate = UBX_MAX_RATE_VER8;
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}
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uint16_t period = 1000 / rate;
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status->working_packet.message.payload.cfg_rate.measRate = period;
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status->working_packet.message.payload.cfg_rate.navRate = 1; // must be set to 1
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status->working_packet.message.payload.cfg_rate.timeRef = 1; // 0 = UTC Time, 1 = GPS Time
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*bytes_to_send = prepare_packet((UBXSentPacket_t *)&status->working_packet, UBX_CLASS_CFG, UBX_ID_CFG_RATE, sizeof(ubx_cfg_rate_t));
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}
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static void config_nav(uint16_t *bytes_to_send)
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{
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memset((uint8_t *)status->working_packet.buffer, 0, sizeof(UBXSentHeader_t) + sizeof(ubx_cfg_nav5_t));
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status->working_packet.message.payload.cfg_nav5.dynModel = status->currentSettings.dynamicModel;
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status->working_packet.message.payload.cfg_nav5.fixMode = UBX_CFG_NAV5_FIXMODE_3D_ONLY;
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// mask LSB=dyn|minEl|posFixMode|drLim|posMask|statisticHoldMask|dgpsMask|......|reservedBit0 = MSB
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status->working_packet.message.payload.cfg_nav5.mask = UBX_CFG_NAV5_DYNMODEL + UBX_CFG_NAV5_FIXMODE;
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*bytes_to_send = prepare_packet((UBXSentPacket_t *)&status->working_packet, UBX_CLASS_CFG, UBX_ID_CFG_NAV5, sizeof(ubx_cfg_nav5_t));
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}
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static void config_navx(uint16_t *bytes_to_send)
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{
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memset((uint8_t *)status->working_packet.buffer, 0, sizeof(UBXSentHeader_t) + sizeof(ubx_cfg_navx5_t));
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status->working_packet.message.payload.cfg_navx5.useAOP = status->currentSettings.AssistNowAutonomous;
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status->working_packet.message.payload.cfg_navx5.mask1 = UBX_CFG_NAVX5_AOP;
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*bytes_to_send = prepare_packet((UBXSentPacket_t *)&status->working_packet, UBX_CLASS_CFG, UBX_ID_CFG_NAVX5, sizeof(ubx_cfg_navx5_t));
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}
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static void config_sbas(uint16_t *bytes_to_send)
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{
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memset((uint8_t *)status->working_packet.buffer, 0, sizeof(UBXSentHeader_t) + sizeof(ubx_cfg_sbas_t));
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status->working_packet.message.payload.cfg_sbas.maxSBAS =
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status->currentSettings.SBASChannelsUsed < 4 ? status->currentSettings.SBASChannelsUsed : 3;
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status->working_packet.message.payload.cfg_sbas.usage =
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(status->currentSettings.SBASCorrection ? UBX_CFG_SBAS_USAGE_DIFFCORR : 0) |
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(status->currentSettings.SBASIntegrity ? UBX_CFG_SBAS_USAGE_INTEGRITY : 0) |
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(status->currentSettings.SBASRanging ? UBX_CFG_SBAS_USAGE_RANGE : 0);
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// If sbas is used for anything then set mode as enabled
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status->working_packet.message.payload.cfg_sbas.mode =
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status->working_packet.message.payload.cfg_sbas.usage != 0 ? UBX_CFG_SBAS_MODE_ENABLED : 0;
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status->working_packet.message.payload.cfg_sbas.scanmode1 =
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status->currentSettings.SBASSats == UBX_SBAS_SATS_WAAS ? UBX_CFG_SBAS_SCANMODE1_WAAS :
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status->currentSettings.SBASSats == UBX_SBAS_SATS_EGNOS ? UBX_CFG_SBAS_SCANMODE1_EGNOS :
|
|
status->currentSettings.SBASSats == UBX_SBAS_SATS_MSAS ? UBX_CFG_SBAS_SCANMODE1_MSAS :
|
|
status->currentSettings.SBASSats == UBX_SBAS_SATS_GAGAN ? UBX_CFG_SBAS_SCANMODE1_GAGAN :
|
|
status->currentSettings.SBASSats == UBX_SBAS_SATS_SDCM ? UBX_CFG_SBAS_SCANMODE1_SDCM : UBX_SBAS_SATS_AUTOSCAN;
|
|
status->working_packet.message.payload.cfg_sbas.scanmode2 =
|
|
UBX_CFG_SBAS_SCANMODE2;
|
|
|
|
*bytes_to_send = prepare_packet((UBXSentPacket_t *)&status->working_packet, UBX_CLASS_CFG, UBX_ID_CFG_SBAS, sizeof(ubx_cfg_sbas_t));
|
|
}
|
|
|
|
|
|
static void config_gnss(uint16_t *bytes_to_send)
|
|
{
|
|
memset((uint8_t *)status->working_packet.buffer, 0, sizeof(UBXSentHeader_t) + sizeof(ubx_cfg_gnss_t));
|
|
status->working_packet.message.payload.cfg_gnss.numConfigBlocks = UBX_GNSS_ID_MAX;
|
|
status->working_packet.message.payload.cfg_gnss.numTrkChHw = (ubxHwVersion > UBX_HW_VERSION_7) ? UBX_CFG_GNSS_NUMCH_VER8 : UBX_CFG_GNSS_NUMCH_VER7;
|
|
status->working_packet.message.payload.cfg_gnss.numTrkChUse = status->working_packet.message.payload.cfg_gnss.numTrkChHw;
|
|
|
|
for (int32_t i = 0; i < UBX_GNSS_ID_MAX; i++) {
|
|
status->working_packet.message.payload.cfg_gnss.cfgBlocks[i].gnssId = i;
|
|
switch (i) {
|
|
case UBX_GNSS_ID_GPS:
|
|
if (status->currentSettings.enableGPS) {
|
|
status->working_packet.message.payload.cfg_gnss.cfgBlocks[i].flags = UBX_CFG_GNSS_FLAGS_ENABLED | UBX_CFG_GNSS_FLAGS_GPS_L1CA;
|
|
status->working_packet.message.payload.cfg_gnss.cfgBlocks[i].maxTrkCh = 16;
|
|
status->working_packet.message.payload.cfg_gnss.cfgBlocks[i].resTrkCh = 8;
|
|
}
|
|
break;
|
|
case UBX_GNSS_ID_QZSS:
|
|
if (status->currentSettings.enableGPS) {
|
|
status->working_packet.message.payload.cfg_gnss.cfgBlocks[i].flags = UBX_CFG_GNSS_FLAGS_ENABLED | UBX_CFG_GNSS_FLAGS_QZSS_L1CA;
|
|
status->working_packet.message.payload.cfg_gnss.cfgBlocks[i].maxTrkCh = 3;
|
|
status->working_packet.message.payload.cfg_gnss.cfgBlocks[i].resTrkCh = 0;
|
|
}
|
|
break;
|
|
case UBX_GNSS_ID_SBAS:
|
|
if (status->currentSettings.SBASCorrection || status->currentSettings.SBASIntegrity || status->currentSettings.SBASRanging) {
|
|
status->working_packet.message.payload.cfg_gnss.cfgBlocks[i].flags = UBX_CFG_GNSS_FLAGS_ENABLED | UBX_CFG_GNSS_FLAGS_SBAS_L1CA;
|
|
status->working_packet.message.payload.cfg_gnss.cfgBlocks[i].maxTrkCh = status->currentSettings.SBASChannelsUsed < 4 ? status->currentSettings.SBASChannelsUsed : 3;
|
|
status->working_packet.message.payload.cfg_gnss.cfgBlocks[i].resTrkCh = 1;
|
|
}
|
|
break;
|
|
case UBX_GNSS_ID_GLONASS:
|
|
if (status->currentSettings.enableGLONASS) {
|
|
status->working_packet.message.payload.cfg_gnss.cfgBlocks[i].flags = UBX_CFG_GNSS_FLAGS_ENABLED | UBX_CFG_GNSS_FLAGS_GLONASS_L1OF;
|
|
status->working_packet.message.payload.cfg_gnss.cfgBlocks[i].maxTrkCh = 14;
|
|
status->working_packet.message.payload.cfg_gnss.cfgBlocks[i].resTrkCh = 8;
|
|
}
|
|
break;
|
|
case UBX_GNSS_ID_BEIDOU:
|
|
if (status->currentSettings.enableBeiDou) {
|
|
status->working_packet.message.payload.cfg_gnss.cfgBlocks[i].flags = UBX_CFG_GNSS_FLAGS_ENABLED | UBX_CFG_GNSS_FLAGS_BEIDOU_B1I;
|
|
status->working_packet.message.payload.cfg_gnss.cfgBlocks[i].maxTrkCh = 14;
|
|
status->working_packet.message.payload.cfg_gnss.cfgBlocks[i].resTrkCh = 8;
|
|
}
|
|
break;
|
|
case UBX_GNSS_ID_GALILEO:
|
|
if (status->currentSettings.enableGalileo) {
|
|
status->working_packet.message.payload.cfg_gnss.cfgBlocks[i].flags = UBX_CFG_GNSS_FLAGS_ENABLED | UBX_CFG_GNSS_FLAGS_GALILEO_E1;
|
|
status->working_packet.message.payload.cfg_gnss.cfgBlocks[i].maxTrkCh = 10;
|
|
status->working_packet.message.payload.cfg_gnss.cfgBlocks[i].resTrkCh = 8;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
*bytes_to_send = prepare_packet((UBXSentPacket_t *)&status->working_packet, UBX_CLASS_CFG, UBX_ID_CFG_GNSS, sizeof(ubx_cfg_gnss_t));
|
|
}
|
|
|
|
|
|
static void config_save(uint16_t *bytes_to_send)
|
|
{
|
|
memset((uint8_t *)status->working_packet.buffer, 0, sizeof(UBXSentHeader_t) + sizeof(ubx_cfg_cfg_t));
|
|
// mask LSB=ioPort|msgConf|infMsg|navConf|rxmConf|||||rinvConf|antConf|....|= MSB
|
|
// ioPort=1, msgConf=2, infMsg=4, navConf=8, tpConf=0x10, sfdrConf=0x100, rinvConf=0x200, antConf=0x400
|
|
status->working_packet.message.payload.cfg_cfg.saveMask = UBX_CFG_CFG_OP_STORE_SETTINGS; // a list of settings we just set
|
|
status->working_packet.message.payload.cfg_cfg.clearMask = UBX_CFG_CFG_OP_CLEAR_SETTINGS; // everything else gets factory default
|
|
status->working_packet.message.payload.cfg_cfg.deviceMask = UBX_CFG_CFG_DEVICE_ALL;
|
|
|
|
*bytes_to_send = prepare_packet((UBXSentPacket_t *)&status->working_packet, UBX_CLASS_CFG, UBX_ID_CFG_CFG, sizeof(ubx_cfg_cfg_t));
|
|
}
|
|
|
|
static void configure(uint16_t *bytes_to_send)
|
|
{
|
|
switch (status->lastConfigSent) {
|
|
case LAST_CONFIG_SENT_START:
|
|
// increase message rates to 5 fixes per second
|
|
config_rate(bytes_to_send);
|
|
break;
|
|
|
|
case LAST_CONFIG_SENT_START + 1:
|
|
config_nav(bytes_to_send);
|
|
break;
|
|
|
|
case LAST_CONFIG_SENT_START + 2:
|
|
if (ubxHwVersion > UBX_HW_VERSION_5) {
|
|
config_navx(bytes_to_send);
|
|
break;
|
|
} else {
|
|
// Skip and fall through to next step
|
|
status->lastConfigSent++;
|
|
}
|
|
|
|
case LAST_CONFIG_SENT_START + 3:
|
|
if (status->currentSettings.enableGLONASS || status->currentSettings.enableGPS) {
|
|
config_gnss(bytes_to_send);
|
|
break;
|
|
} else {
|
|
// Skip and fall through to next step
|
|
status->lastConfigSent++;
|
|
}
|
|
// in the else case we must fall through because we must send something each time because successful send is tested externally
|
|
|
|
case LAST_CONFIG_SENT_START + 4:
|
|
config_sbas(bytes_to_send);
|
|
break;
|
|
|
|
default:
|
|
status->lastConfigSent = LAST_CONFIG_SENT_COMPLETED;
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
static void enable_sentences(__attribute__((unused)) uint16_t *bytes_to_send)
|
|
{
|
|
int8_t msg = status->lastConfigSent + 1;
|
|
uint8_t msg_count = (ubxHwVersion >= UBX_HW_VERSION_7) ?
|
|
NELEMENTS(msg_config_ubx7) : NELEMENTS(msg_config_ubx6);
|
|
ubx_cfg_msg_t *msg_config = (ubxHwVersion >= UBX_HW_VERSION_7) ?
|
|
&msg_config_ubx7[0] : &msg_config_ubx6[0];
|
|
|
|
if (msg >= 0 && msg < msg_count) {
|
|
status->working_packet.message.payload.cfg_msg = msg_config[msg];
|
|
*bytes_to_send = prepare_packet((UBXSentPacket_t *)&status->working_packet, UBX_CLASS_CFG, UBX_ID_CFG_MSG, sizeof(ubx_cfg_msg_t));
|
|
} else {
|
|
status->lastConfigSent = LAST_CONFIG_SENT_COMPLETED;
|
|
}
|
|
}
|
|
|
|
|
|
#if defined(AUTOBAUD_CONFIGURE_STORE_AND_DISABLE)
|
|
// permanently store our version of GPSSettings.UbxAutoConfig
|
|
// we use this to disable after AbConfigStoreAndDisable is complete
|
|
static void setGpsSettings()
|
|
{
|
|
// trying to do this as perfectly as possible we must realize that they may have pressed Send on some fields
|
|
// and so those fields are not stored permanently
|
|
// if we write the memory copy to flash, we will have made those permanent
|
|
|
|
// we could save off the uavo memory copy to a local buffer with a standard GPSSettingsGet()
|
|
// load from flash to uavo memory with a UAVObjLoad()
|
|
// update our one setting in uavo memory with a standard GPSSettingsUbxAutoConfigSet()
|
|
// save from uavo memory to flash with a UAVObjSave()
|
|
// modify our saved off copy to have our new setting in it too
|
|
// and finally copy the local buffer back out to uavo memory
|
|
|
|
// that would do it as correctly as possible, but it doesn't work
|
|
// so we do it the way autotune.c does it
|
|
|
|
#if 0
|
|
// get the "in memory" version to a local buffer
|
|
GPSSettingsGet((void *)&status->gpsSettings);
|
|
// load the permanent version into memory
|
|
UAVObjLoad(GPSSettingsHandle(), 0);
|
|
#endif
|
|
// change the in memory version of the field we want to change
|
|
GPSSettingsUbxAutoConfigSet((GPSSettingsUbxAutoConfigOptions *)&status->currentSettings.UbxAutoConfig);
|
|
// save the in memory version to permanent
|
|
UAVObjSave(GPSSettingsHandle(), 0);
|
|
#if 0
|
|
// copy the setting into the struct we will use to Set()
|
|
status->gpsSettings.UbxAutoConfig = status->currentSettings.UbxAutoConfig;
|
|
// try casting it correctly and it says:
|
|
// expected 'struct GPSSettingsData *' but argument is of type 'struct GPSSettingsData *'
|
|
// probably a volatile or align issue
|
|
GPSSettingsSet((void *)&status->gpsSettings); // set the "in memory" version back into use
|
|
#endif
|
|
}
|
|
#endif /* if defined(AUTOBAUD_CONFIGURE_STORE_AND_DISABLE) */
|
|
|
|
|
|
// 9600 baud and lower are not usable, and are best left at factory default
|
|
// if the user selects 9600
|
|
void gps_ubx_autoconfig_run(char * *buffer, uint16_t *bytes_to_send)
|
|
{
|
|
*bytes_to_send = 0;
|
|
*buffer = (char *)status->working_packet.buffer;
|
|
current_step_touched = false;
|
|
|
|
// autoconfig struct not yet allocated
|
|
if (!status) {
|
|
return;
|
|
}
|
|
|
|
// get UBX version whether autobaud / autoconfig is enabled or not
|
|
// this allows the user to manually try some baud rates and visibly see when it works
|
|
// it also is how the autobaud code determines when the baud rate is correct
|
|
// ubxHwVersion is a global set externally by the caller of this function
|
|
// it is set when the GPS responds to a MON_VER message
|
|
if (ubxHwVersion <= 0) {
|
|
// at low baud rates and high data rates the ubx gps simply must drop some outgoing data
|
|
// this isn't really an error
|
|
// and when a lot of data is being dropped, the MON VER reply often gets dropped
|
|
// on the other hand, uBlox documents that some versions discard data that is over 1 second old
|
|
// implying a 1 second send buffer and that it could be over 1 second before a reply is received
|
|
// later uBlox versions dropped this 1 second constraint and drop data when the send buffer is full
|
|
// and that could be even longer than 1 second
|
|
// send this more quickly and it will get a reply more quickly if a fixed percentage of replies are being dropped
|
|
|
|
// wait for the normal reply timeout before sending it over and over
|
|
if (PIOS_DELAY_DiffuS(status->lastStepTimestampRaw) < UBX_PARSER_TIMEOUT) {
|
|
return;
|
|
}
|
|
|
|
// at this point we have already waited for the MON_VER reply to time out (except the first time where it times out without being sent)
|
|
// and the fact we are here says that ubxHwVersion has not been set (it is set externally)
|
|
// so this try at this baud rate has failed
|
|
// if we get here
|
|
// select the next baud rate, skipping ahead if new baud rate is HwSettings.GPSSpeed
|
|
// set Revo baud rate to current++ value (immediate change so we can send right after that) and send the MON_VER request
|
|
// baud rate search order are most likely matches first
|
|
|
|
// if AutoBaud or higher, do AutoBaud
|
|
if (status->currentSettings.UbxAutoConfig >= GPSSETTINGS_UBXAUTOCONFIG_AUTOBAUD) {
|
|
uint8_t baud_to_try;
|
|
static uint8_t baud_array[] = {
|
|
HWSETTINGS_GPSSPEED_57600,
|
|
HWSETTINGS_GPSSPEED_9600,
|
|
HWSETTINGS_GPSSPEED_115200,
|
|
HWSETTINGS_GPSSPEED_38400,
|
|
HWSETTINGS_GPSSPEED_19200,
|
|
HWSETTINGS_GPSSPEED_230400,
|
|
HWSETTINGS_GPSSPEED_4800,
|
|
HWSETTINGS_GPSSPEED_2400
|
|
};
|
|
|
|
// first try HwSettings.GPSSpeed and then
|
|
// get the next baud rate to try from the table, but skip over the value of HwSettings.GPSSpeed
|
|
do {
|
|
// index is inited to be out of bounds, which is interpreted as "currently defined baud rate" (= HwSettings.GPSSpeed)
|
|
if (baud_to_try_index >= sizeof(baud_array) / sizeof(baud_array[0])) {
|
|
HwSettingsGPSSpeedGet(&hwsettings_baud);
|
|
baud_to_try = hwsettings_baud;
|
|
baud_to_try_index = 0;
|
|
break;
|
|
} else {
|
|
baud_to_try = baud_array[baud_to_try_index++];
|
|
}
|
|
// skip HwSettings.GPSSpeed when you run across it in the list
|
|
} while (baud_to_try == hwsettings_baud);
|
|
// set the FC (Revo) baud rate
|
|
gps_set_fc_baud_from_arg(baud_to_try);
|
|
}
|
|
|
|
// this code is executed even if ubxautoconfig is disabled
|
|
// it detects the "sensor type" = type of GPS
|
|
// the user can use this to manually determine if the baud rate is correct
|
|
build_request((UBXSentPacket_t *)&status->working_packet, UBX_CLASS_MON, UBX_ID_MON_VER, bytes_to_send);
|
|
// keep timeouts running properly, we (will have) just sent a packet that generates a reply
|
|
status->lastStepTimestampRaw = PIOS_DELAY_GetRaw();
|
|
return;
|
|
}
|
|
|
|
if (!enabled) {
|
|
// keep resetting the timeouts here if we are not actually going to run the configure code
|
|
// not really necessary, but it keeps the timer from wrapping every 50 seconds
|
|
status->lastStepTimestampRaw = PIOS_DELAY_GetRaw();
|
|
return; // autoconfig not enabled
|
|
}
|
|
|
|
////////
|
|
// FSM
|
|
////////
|
|
switch (status->currentStep) {
|
|
// if here, we have verified that the baud rates are in sync sometime in the past
|
|
case INIT_STEP_START:
|
|
// we should look for the GPS version again (user may plug in a different GPS and then do autoconfig again)
|
|
// zero retries for the next state that needs it (INIT_STEP_SAVE)
|
|
set_current_step_if_untouched(INIT_STEP_SEND_MON_VER);
|
|
// fall through to next state
|
|
// we can do that if we choose because we haven't sent any data in this state
|
|
// break;
|
|
|
|
case INIT_STEP_SEND_MON_VER:
|
|
build_request((UBXSentPacket_t *)&status->working_packet, UBX_CLASS_MON, UBX_ID_MON_VER, bytes_to_send);
|
|
// keep timeouts running properly, we (will have) just sent a packet that generates a reply
|
|
set_current_step_if_untouched(INIT_STEP_WAIT_MON_VER_ACK);
|
|
status->lastStepTimestampRaw = PIOS_DELAY_GetRaw();
|
|
break;
|
|
|
|
case INIT_STEP_WAIT_MON_VER_ACK:
|
|
// wait for previous step
|
|
// extra wait time might well be unnecessary but we want to make sure
|
|
// that we don't stop waiting too soon
|
|
if (PIOS_DELAY_DiffuS(status->lastStepTimestampRaw) < UBX_UNVERIFIED_STEP_WAIT_TIME) {
|
|
return;
|
|
}
|
|
// Continue with next configuration option
|
|
set_current_step_if_untouched(INIT_STEP_RESET_GPS);
|
|
// fall through to next state
|
|
// we can do that if we choose because we haven't sent any data in this state
|
|
// break;
|
|
|
|
// if here, we have just verified that the baud rates are in sync (again)
|
|
case INIT_STEP_RESET_GPS:
|
|
// make sure we don't change the baud rate too soon and garble the packet being sent
|
|
// even after pios says the buffer is empty, the serial port buffer still has data in it
|
|
// and changing the baud will screw it up
|
|
// when the GPS is configured to send a lot of data, but has a low baud rate
|
|
// it has way too many messages to send and has to drop most of them
|
|
|
|
// Retrieve desired GPS baud rate once for use throughout this module
|
|
HwSettingsGPSSpeedGet(&hwsettings_baud);
|
|
#if !defined(ALWAYS_RESET)
|
|
// ALWAYS_RESET is undefined because it causes stored settings to change even with autoconfig.nostore
|
|
// but with it off, some settings may be enabled that should really be disabled (but aren't) after autoconfig.nostore
|
|
// if user requests a low baud rate then we just reset and avoid adding navigation sentences
|
|
// because low GPS baud and high OP data rate doesn't play nice
|
|
// if user requests that settings be saved, we will reset here too
|
|
// that makes sure that all strange settings are reset to factory default
|
|
// else these strange settings may persist because we don't reset all settings by table
|
|
if (status->currentSettings.UbxAutoConfig == GPSSETTINGS_UBXAUTOCONFIG_AUTOBAUDCONFIGUREANDSTORE
|
|
#if defined(AUTOBAUD_CONFIGURE_STORE_AND_DISABLE)
|
|
|| status->currentSettings.UbxAutoConfig == GPSSETTINGS_UBXAUTOCONFIG_AUTOBAUDCONFIGURESTOREANDDISABLE
|
|
#endif
|
|
)
|
|
#endif
|
|
{
|
|
// reset all GPS parameters to factory default (configure low rate NMEA for low baud rates)
|
|
// this is not usable by OP code for either baud rate or types of messages sent
|
|
// but it starts up very quickly for use with autoconfig-nostore (which sets a high baud and enables all the necessary messages)
|
|
config_reset(bytes_to_send);
|
|
status->lastStepTimestampRaw = PIOS_DELAY_GetRaw();
|
|
}
|
|
// else allow it enter the next state immmediately by not setting status->lastStepTimestampRaw = PIOS_DELAY_GetRaw();
|
|
set_current_step_if_untouched(INIT_STEP_REVO_9600_BAUD);
|
|
break;
|
|
|
|
// GPS was just reset, so GPS is running 9600 baud, and Revo is running whatever baud it was before
|
|
case INIT_STEP_REVO_9600_BAUD:
|
|
#if !defined(ALWAYS_RESET)
|
|
// if user requests a low baud rate then we just reset and leave it set to NMEA
|
|
// because low baud and high OP data rate doesn't play nice
|
|
// if user requests that settings be saved, we will reset here too
|
|
// that makes sure that all strange settings are reset to factory default
|
|
// else these strange settings may persist because we don't reset all settings by hand
|
|
if (status->currentSettings.UbxAutoConfig == GPSSETTINGS_UBXAUTOCONFIG_AUTOBAUDCONFIGUREANDSTORE
|
|
#if defined(AUTOBAUD_CONFIGURE_STORE_AND_DISABLE)
|
|
|| status->currentSettings.UbxAutoConfig == GPSSETTINGS_UBXAUTOCONFIG_AUTOBAUDCONFIGURESTOREANDDISABLE
|
|
#endif
|
|
)
|
|
#endif
|
|
{
|
|
// wait for previous step
|
|
// extra wait time might well be unnecessary but we want to make very sure
|
|
// that we don't stop waiting too soon as that could leave us at an unknown baud rate
|
|
// (i.e. set or not set) if the the transmit buffer was full and we were running at a low baud rate
|
|
if (PIOS_DELAY_DiffuS(status->lastStepTimestampRaw) < UBX_UNVERIFIED_STEP_WAIT_TIME) {
|
|
return;
|
|
}
|
|
// set the Revo GPS port to 9600 baud to match the reset to factory default that has already been done
|
|
gps_set_fc_baud_from_arg(HWSETTINGS_GPSSPEED_9600);
|
|
}
|
|
// at most, we just set Revo baud and that doesn't send any data
|
|
// fall through to next state
|
|
// we can do that if we choose because we haven't sent any data in this state
|
|
// set_current_step_if_untouched(INIT_STEP_GPS_BAUD);
|
|
// allow it enter the next state immmediately by not setting status->lastStepTimestampRaw = PIOS_DELAY_GetRaw();
|
|
// break;
|
|
|
|
// Revo and GPS are both at 9600 baud
|
|
case INIT_STEP_GPS_BAUD:
|
|
// https://www.u-blox.com/images/downloads/Product_Docs/u-bloxM8_ReceiverDescriptionProtocolSpec_%28UBX-13003221%29_Public.pdf
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// It is possible to change the current communications port settings using a UBX-CFG-CFG message. This could
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// affect baud rate and other transmission parameters. Because there may be messages queued for transmission
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// there may be uncertainty about which protocol applies to such messages. In addition a message currently in
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// transmission may be corrupted by a protocol change. Host data reception parameters may have to be changed to
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// be able to receive future messages, including the acknowledge message associated with the UBX-CFG-CFG message.
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// so the message that changes the baud rate will send it's acknowledgement back at the new baud rate; this is not good.
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// if your message was corrupted, you didn't change the baud rate and you have to guess; try pinging at both baud rates.
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// also, you would have to change the baud rate instantly after the last byte of the sentence was sent,
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// and you would have to poll the port in real time for that, and there may be messages ahead of the baud rate change.
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//
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// so we ignore the ack from this. it has proven to be reliable (with the addition of two dummy bytes after the packet)
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// set the GPS internal baud rate to the user configured value
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config_gps_baud(bytes_to_send);
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set_current_step_if_untouched(INIT_STEP_REVO_BAUD);
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status->lastStepTimestampRaw = PIOS_DELAY_GetRaw();
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break;
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// GPS is at final baud and Revo is at old baud (old is 9600 or initial detected baud)
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case INIT_STEP_REVO_BAUD:
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// wait for previous step
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if (PIOS_DELAY_DiffuS(status->lastStepTimestampRaw) < UBX_UNVERIFIED_STEP_WAIT_TIME) {
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return;
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}
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// set the Revo GPS port baud rate to the (same) user configured value
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gps_set_fc_baud_from_arg(hwsettings_baud);
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status->lastConfigSent = LAST_CONFIG_SENT_START;
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// zero the retries for the first "enable sentence"
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status->retryCount = 0;
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// skip enabling UBX sentences for low baud rates
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// low baud rates are not usable, and higher data rates just makes it harder for this code to change the configuration
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if (hwsettings_baud <= HWSETTINGS_GPSSPEED_9600) {
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set_current_step_if_untouched(INIT_STEP_SAVE);
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} else {
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set_current_step_if_untouched(INIT_STEP_ENABLE_SENTENCES);
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}
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// allow it enter the next state immmediately by not setting status->lastStepTimestampRaw = PIOS_DELAY_GetRaw();
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break;
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case INIT_STEP_ENABLE_SENTENCES:
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case INIT_STEP_CONFIGURE:
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{
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bool step_configure = (status->currentStep == INIT_STEP_CONFIGURE);
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if (step_configure) {
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configure(bytes_to_send);
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} else {
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enable_sentences(bytes_to_send);
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}
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// for some branches, allow it enter the next state immmediately by not setting status->lastStepTimestampRaw = PIOS_DELAY_GetRaw();
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if (status->lastConfigSent == LAST_CONFIG_SENT_COMPLETED) {
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if (step_configure) {
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// zero retries for the next state that needs it (INIT_STEP_SAVE)
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status->retryCount = 0;
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set_current_step_if_untouched(INIT_STEP_SAVE);
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} else {
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// finished enabling sentences, now configure() needs to start at the beginning
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status->lastConfigSent = LAST_CONFIG_SENT_START;
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set_current_step_if_untouched(INIT_STEP_CONFIGURE);
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}
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} else {
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set_current_step_if_untouched(step_configure ? INIT_STEP_CONFIGURE_WAIT_ACK : INIT_STEP_ENABLE_SENTENCES_WAIT_ACK);
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status->lastStepTimestampRaw = PIOS_DELAY_GetRaw();
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}
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break;
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}
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case INIT_STEP_ENABLE_SENTENCES_WAIT_ACK:
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case INIT_STEP_CONFIGURE_WAIT_ACK: // Wait for an ack from GPS
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{
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bool step_configure = (status->currentStep == INIT_STEP_CONFIGURE_WAIT_ACK);
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if (ubxLastAck.clsID == status->requiredAck.clsID && ubxLastAck.msgID == status->requiredAck.msgID) {
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// Continue with next configuration option
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// start retries over for the next setting to be sent
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status->retryCount = 0;
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status->lastConfigSent++;
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} else if (PIOS_DELAY_DiffuS(status->lastStepTimestampRaw) < UBX_REPLY_TIMEOUT &&
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(ubxLastNak.clsID != status->requiredAck.clsID || ubxLastNak.msgID != status->requiredAck.msgID)) {
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// allow timeouts to count up by not setting status->lastStepTimestampRaw = PIOS_DELAY_GetRaw();
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break;
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} else {
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// timeout or NAK, resend the message or abort
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status->retryCount++;
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if (status->retryCount > UBX_MAX_RETRIES) {
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set_current_step_if_untouched(INIT_STEP_PRE_ERROR);
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status->lastStepTimestampRaw = PIOS_DELAY_GetRaw();
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break;
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}
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}
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// success or failure here, retries are handled elsewhere
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if (step_configure) {
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set_current_step_if_untouched(INIT_STEP_CONFIGURE);
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} else {
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set_current_step_if_untouched(INIT_STEP_ENABLE_SENTENCES);
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}
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break;
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}
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// all configurations have been made
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case INIT_STEP_SAVE:
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// now decide whether to save them permanently into the GPS
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if (status->currentSettings.UbxAutoConfig == GPSSETTINGS_UBXAUTOCONFIG_AUTOBAUDCONFIGUREANDSTORE
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#if defined(AUTOBAUD_CONFIGURE_STORE_AND_DISABLE)
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|| status->currentSettings.UbxAutoConfig == GPSSETTINGS_UBXAUTOCONFIG_AUTOBAUDCONFIGURESTOREANDDISABLE
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#endif
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) {
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config_save(bytes_to_send);
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set_current_step_if_untouched(INIT_STEP_SAVE_WAIT_ACK);
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status->lastStepTimestampRaw = PIOS_DELAY_GetRaw();
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} else {
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set_current_step_if_untouched(INIT_STEP_PRE_DONE);
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// allow it enter INIT_STEP_PRE_DONE immmediately by not setting status->lastStepTimestampRaw = PIOS_DELAY_GetRaw();
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}
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break;
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// command to save configuration has already been issued
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case INIT_STEP_SAVE_WAIT_ACK:
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// save doesn't appear to respond, even in 24 seconds
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// just delay a while, in case there it is busy with a flash write, etc.
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if (PIOS_DELAY_DiffuS(status->lastStepTimestampRaw) < UBX_SAVE_WAIT_TIME) {
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return;
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}
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// fall through to next state
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// we can do that if we choose because we haven't sent any data in this state
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set_current_step_if_untouched(INIT_STEP_PRE_DONE);
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// break;
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// the autoconfig has completed normally
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case INIT_STEP_PRE_DONE:
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#if defined(AUTOBAUD_CONFIGURE_STORE_AND_DISABLE)
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// determine if we need to disable autoconfig via the autoconfig==AUTOBAUDCONFIGSTOREANDDISABLE setting
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if (status->currentSettings.UbxAutoConfig == GPSSETTINGS_UBXAUTOCONFIG_AUTOBAUDCONFIGURESTOREANDDISABLE) {
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enabled = false;
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status->currentSettings.UbxAutoConfig = GPSSETTINGS_UBXAUTOCONFIG_DISABLED;
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// like it says
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setGpsSettings();
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}
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#endif
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set_current_step_if_untouched(INIT_STEP_DONE);
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break;
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// an error, such as retries exhausted, has occurred
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case INIT_STEP_PRE_ERROR:
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// on error we should get the GPS version immediately
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gps_ubx_reset_sensor_type();
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set_current_step_if_untouched(INIT_STEP_ERROR);
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break;
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case INIT_STEP_DONE:
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case INIT_STEP_ERROR:
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case INIT_STEP_DISABLED:
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break;
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}
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}
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// (re)init the autoconfig stuff so that it will run if called
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//
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// this can be called from a different thread
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// so everything it touches must be declared volatile
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void gps_ubx_autoconfig_set(ubx_autoconfig_settings_t *config)
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{
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initSteps_t new_step;
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enabled = false;
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if (!status) {
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status = (status_t *)pios_malloc(sizeof(status_t));
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PIOS_Assert(status);
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memset((status_t *)status, 0, sizeof(status_t));
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}
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// if caller used NULL, just use current settings to restart autoconfig process
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if (config != NULL) {
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status->currentSettings = *config;
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}
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if (status->currentSettings.UbxAutoConfig >= GPSSETTINGS_UBXAUTOCONFIG_AUTOBAUDANDCONFIGURE) {
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new_step = INIT_STEP_START;
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} else {
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new_step = INIT_STEP_DISABLED;
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}
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status->lastStepTimestampRaw = PIOS_DELAY_GetRaw();
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// assume this one byte initSteps_t is atomic
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// take care of some but not all concurrency issues
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status->currentStep = new_step;
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status->currentStepSave = new_step;
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current_step_touched = true;
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status->currentStep = new_step;
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status->currentStepSave = new_step;
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// this forces the sensor type detection to occur outside the FSM
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// and _can_ also engage the autobaud detection that is outside the FSM
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// don't do it if FSM is enabled as FSM can change the baud itself
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// (don't do it because the baud rates are already in sync)
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gps_ubx_reset_sensor_type();
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if (status->currentSettings.UbxAutoConfig >= GPSSETTINGS_UBXAUTOCONFIG_AUTOBAUDANDCONFIGURE) {
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// enabled refers to autoconfigure
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// note that sensor type (gps type) detection happens even if completely disabled
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// also note that AutoBaud is less than AutoBaudAndConfigure
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enabled = true;
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}
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}
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int32_t ubx_autoconfig_get_status()
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{
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if (!status || !enabled) {
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return UBX_AUTOCONFIG_STATUS_DISABLED;
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}
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switch (status->currentStep) {
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case INIT_STEP_ERROR:
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return UBX_AUTOCONFIG_STATUS_ERROR;
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case INIT_STEP_DISABLED:
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return UBX_AUTOCONFIG_STATUS_DISABLED;
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case INIT_STEP_DONE:
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return UBX_AUTOCONFIG_STATUS_DONE;
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default:
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break;
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}
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return UBX_AUTOCONFIG_STATUS_RUNNING;
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}
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