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41 ingob 1
/*#######################################################################################*/
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/* !!! THIS IS NOT FREE SOFTWARE !!!                                                     */
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/*#######################################################################################*/
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// + Copyright (c) 2008 Ingo Busker, Holger Buss
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// + Nur für den privaten Gebrauch / NON-COMMERCIAL USE ONLY
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// + FOR NON COMMERCIAL USE ONLY
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// + www.MikroKopter.com
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// + Es gilt für das gesamte Projekt (Hardware, Software, Binärfiles, Sourcecode und Dokumentation),
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// + dass eine Nutzung (auch auszugsweise) nur für den privaten (nicht-kommerziellen) Gebrauch zulässig ist.
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// + Sollten direkte oder indirekte kommerzielle Absichten verfolgt werden, ist mit uns (info@mikrokopter.de) Kontakt
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// + bzgl. der Nutzungsbedingungen aufzunehmen.
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// + Eine kommerzielle Nutzung ist z.B.Verkauf von MikroKoptern, Bestückung und Verkauf von Platinen oder Bausätzen,
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// + Verkauf von Luftbildaufnahmen, usw.
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// + Werden Teile des Quellcodes (mit oder ohne Modifikation) weiterverwendet oder veröffentlicht,
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// + unterliegen sie auch diesen Nutzungsbedingungen und diese Nutzungsbedingungen incl. Copyright müssen dann beiliegen
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// + Sollte die Software (auch auszugesweise) oder sonstige Informationen des MikroKopter-Projekts
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// + auf anderen Webseiten oder sonstigen Medien veröffentlicht werden, muss unsere Webseite "http://www.mikrokopter.de"
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// + eindeutig als Ursprung verlinkt werden
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// + Keine Gewähr auf Fehlerfreiheit, Vollständigkeit oder Funktion
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// + Benutzung auf eigene Gefahr
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// + Wir übernehmen keinerlei Haftung für direkte oder indirekte Personen- oder Sachschäden
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// + Die Portierung oder Nutzung der Software (oder Teile davon) auf andere Systeme (ausser der Hardware von www.mikrokopter.de) ist nur
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// + mit unserer Zustimmung zulässig
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// + Die Funktion printf_P() unterliegt ihrer eigenen Lizenz und ist hiervon nicht betroffen
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// + Redistributions of source code (with or without modifications) must retain the above copyright notice,
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// + this list of conditions and the following disclaimer.
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// +   * Neither the name of the copyright holders nor the names of contributors may be used to endorse or promote products derived
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// +     from this software without specific prior written permission.
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// +   * The use of this project (hardware, software, binary files, sources and documentation) is only permitted
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// +     for non-commercial use (directly or indirectly)
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// +     Commercial use (for excample: selling of MikroKopters, selling of PCBs, assembly, ...) is only permitted
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// +     with our written permission
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// +   * If sources or documentations are redistributet on other webpages, out webpage (http://www.MikroKopter.de) must be
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// +     clearly linked as origin
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// +   * porting the sources to other systems or using the software on other systems (except hardware from www.mikrokopter.de) is not allowed
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//
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// +  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// +  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// +  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// +  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// +  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// +  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// +  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// +  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// +  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// +  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// +  POSSIBILITY OF SUCH DAMAGE.
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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#include <string.h>
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#include "91x_lib.h"
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#include "waypoints.h"
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#include "uart1.h"
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// the waypoints list
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#define WPLISTLEN 21
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#define MAXWPNUMBER (WPLISTLEN-1)
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Waypoint_t WPList[WPLISTLEN];
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u8 WPIndex = 0;
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u8 WPNumber = 0;
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u8 WPList_Init(void)
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{
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        return WPList_Clear();
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}
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u8 WPList_Clear(void)
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{
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        u8 i;
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        WPIndex = 0; // invalid index
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        WPNumber = 0; // no contents
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        NaviData.WaypointNumber = WPNumber;
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        NaviData.WaypointIndex = WPIndex;
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        for(i = 1; i < WPLISTLEN; i++)
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        {
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                WPList[i].Position.Status = INVALID;
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                WPList[i].Position.Latitude = 0;
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                WPList[i].Position.Longitude = 0;
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                WPList[i].Position.Altitude = 0;
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                WPList[i].Heading = -1;
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                WPList[i].ToleranceRadius = 0;  // in meters, if the MK is within that range around the target, then the next target is triggered
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                WPList[i].HoldTime = 0;                 // in seconds, if the was once in the tolerance area around a WP, this time defines the delay before the next WP is triggered
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                WPList[i].Event_Flag = 0;               // future implementation
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        }
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        return TRUE;           
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}
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u8 WPList_GetCount(void)
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{
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        return WPNumber;
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}
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u8 WPList_Append(Waypoint_t* pwp)
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{
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        if(WPNumber < MAXWPNUMBER) // there is still some space in the list
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        {
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                WPNumber++;
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                memcpy(&WPList[WPNumber], pwp, sizeof(Waypoint_t)); // copy wp data to list entry
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                WPList[WPNumber].Position.Status = NEWDATA;             // mark as new data                                                                             // increment list length
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                NaviData.WaypointNumber = WPNumber;
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                return TRUE;
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        }
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        else return FALSE;
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}
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// rewind to the begin of the list, and returns the first waypoint
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Waypoint_t* WPList_Begin(void)
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{
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        if(WPNumber > 0)
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        {
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                WPIndex = 1; // reset list index
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                NaviData.WaypointIndex = WPIndex;      
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                return(&(WPList[WPIndex])); // if list is not empty return pointer to first waypoint in the list
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        }
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        else
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        {
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                WPIndex = 0; // invalid index
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                NaviData.WaypointIndex = 0;
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                return NULL; // else return NULL
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        }
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}
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// jump to the end of the list, and returns the last waypoint
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Waypoint_t* WPList_End(void)
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{
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        if(WPNumber > 0)
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        {
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                WPIndex = WPNumber;
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                NaviData.WaypointIndex = WPIndex;
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                return(&(WPList[WPIndex])); // if list is not empty return pointer to first waypoint in the list
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        }
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        else
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        {
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                WPIndex = 0;
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                NaviData.WaypointIndex = WPIndex;
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                return NULL; // else return NULL
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        }
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}
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// returns a pointer to the next waypoint or NULL if the end of the list has been reached
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Waypoint_t* WPList_Next(void)
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{
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        if(WPIndex < WPNumber) // if the next WPIndex exist
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        {
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                WPIndex++; // goto next
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                NaviData.WaypointIndex = WPIndex;
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                return(&(WPList[WPIndex]));     // return pointer to this waypoint
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        }
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        else return(NULL);
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}      
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Waypoint_t* WPList_GetAt(u8 index)
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{
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        if(index <= WPNumber) return(&(WPList[index])); // return pointer to this waypoint
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        else return(NULL);
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}
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Waypoint_t* WPList_GetPOI(void)
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{
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        if(WPList[0].Position.Status == INVALID) return(NULL);
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        else return(&(WPList[0]));
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}
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void WPList_SetPOI(Waypoint_t* pwp)
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{
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        memcpy(&WPList[0], pwp, sizeof(Waypoint_t));    // copy wp data to list entry
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}