GPS

Dependents:   CameraC1098_GPS_different_Lib

Files at this revision

API Documentation at this revision

Comitter:
hepta2ume
Date:
Thu Aug 03 04:28:24 2017 +0000
Commit message:
test

Changed in this revision

HeptaGPS.cpp Show annotated file Show diff for this revision Revisions of this file
HeptaGPS.h Show annotated file Show diff for this revision Revisions of this file
diff -r 000000000000 -r 1be20a74923d HeptaGPS.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HeptaGPS.cpp	Thu Aug 03 04:28:24 2017 +0000
@@ -0,0 +1,167 @@
+#include "HeptaGPS.h"
+#include "mbed.h"
+
+HeptaGPS::HeptaGPS(PinName tx, PinName rx) : gps(tx,rx)
+{
+}
+void HeptaGPS::baud(int rate)
+{
+    gps.baud(rate);
+}
+char HeptaGPS::getc()
+{
+    c = gps.getc();
+    return c;
+}
+int HeptaGPS::readable()
+{
+    i = gps.readable();
+    return i;
+}
+void HeptaGPS::flushSerialBuffer(void)
+{
+    ite = 0;
+    while (gps.readable())
+    { 
+        gps.getc();
+        ite++;
+        if(ite==100){break;};
+    }
+    return;
+}
+void HeptaGPS::gga_sensing(float *time, float *latitude, char *ns, float *longitude, char *ew, int *quality, int *stnum, float *hacu, float *altitude, char *aunit, int *gps_check)
+{
+    int ite = 0;
+    while(gps.getc()!='$'){
+        ite++;
+        if(ite==10000) break;
+    }
+    for(int i=0; i<5; i++){
+        msg[i] = gps.getc();
+    }
+    if((msg[2]=='G')&(msg[3]=='G')&(msg[4]=='A')){
+        for(int j=0; j<6; j++){
+            if(j==0){
+                for(int i=5; i<256; i++){
+                    msg[i] = gps.getc();
+                    if(msg[i] == '\r') {
+                        msg[i] = 0;
+                        break;
+                    }
+                }
+            }else{
+                for(int i=0; i<256; i++){
+                    msgd[i] = gps.getc();
+                    if(msgd[i] == '\r') {
+                        break;
+                    }
+                }
+                if((msgd[4]=='V')&(msgd[5]=='T')&(msgd[6]=='G')){
+                    break;
+                }
+            }
+        }
+        if(sscanf(msg, "GPGGA,%f,%f,%c,%f,%c,%d,%d,%f,%f,%c", time, latitude, ns, longitude, ew, quality, stnum, hacu, altitude, aunit) >= 1) { 
+            if(!(quality)) {
+                //latitude(unit transformation)
+                *latitude=int(*latitude/100)+(*latitude-int(*latitude/100)*100)/60;
+                //longitude(unit transformation)
+                *longitude = int(*longitude/100)+(*longitude-int(*longitude/100)*100)/60;
+                *gps_check = 0;
+            } else {
+                //latitude(unit transformation)
+                *latitude=int(*latitude/100)+(*latitude-int(*latitude/100)*100)/60;
+                //longitude(unit transformation)
+                *longitude = int(*longitude/100)+(*longitude-int(*longitude/100)*100)/60;
+                *gps_check = 1;
+            }
+        }
+        else{
+            printf("No Data");
+            *gps_check = 2;
+        }       
+    }
+    else{
+        *gps_check = 3;
+    }
+}
+void HeptaGPS::lat_log_sensing_u16(char *lat, char *log, int *dsize)
+{
+    char gph1[8]={0x00},gph2[8]={0x00},gph3[8]={0x00},gph4[8]={0x00},gpt1[8]={0x00},gpt2[8]={0x00},gpt3[8]={0x00},gpt4[8]={0x00};
+    int i=0,j=0;
+    while (gps.readable()){ 
+        gps.getc();
+    }
+    loop:
+    while(gps.getc()!='$'){}
+    for(j=0;j<5;j++){
+        gps_data[1][j]=gps.getc();
+    }
+    if((gps_data[1][2]==0x52)&(gps_data[1][3]==0x4d)&(gps_data[1][4]==0x43)){
+        for(j=0;j<1;j++){
+            if(j==0){
+                i=0;
+                while((gps_data[j+1][i+5] = gps.getc()) != '\r'){    
+                    //pc.putc(gps_data[j+1][i+5]);
+                    i++;
+                }
+                gps_data[j+1][i+5]='\0';
+                i=0;
+                //pc.printf("\n\r");
+            }
+            else{
+                while(gps.getc()!='$'){}
+                i=0;
+                while((gps_data[j+1][i] = gps.getc()) != '\r'){    
+                    //pc.putc(gps_data[j+1][i]);
+                    i++;
+                }
+                gps_data[j+1][i]='\0';
+                i=0;
+                //pc.printf("\n\r");
+            }
+        }
+    }
+    else
+    {
+        goto loop;
+    }
+    if( sscanf(gps_data[1],"GPRMC,%f,%c,%f,%c,%f,%c,%f",&time,&statas,&hokui,&ns,&tokei,&ew,&vel) >= 1){
+        //hokui
+        d_hokui=int(hokui/100);
+        m_hokui=(hokui-d_hokui*100);
+        //m_hokui=(hokui-d_hokui*100)/60;
+        g_hokui=d_hokui+(hokui-d_hokui*100)/60;
+        sprintf( gph1, "%02X", (char(d_hokui)) & 0xFF);
+        sprintf( gph2, "%02X", (char(m_hokui)) & 0xFF);
+        sprintf( gph3, "%02X", (char((m_hokui-char(m_hokui))*100)) & 0xFF);
+        sprintf( gph4, "%02X", (char(((m_hokui-char(m_hokui))*100-char((m_hokui-char(m_hokui))*100))*100)) & 0xFF);
+    
+        //tokei
+        d_tokei=int(tokei/100);
+        m_tokei=(tokei-d_tokei*100);
+        //m_tokei=(tokei-d_tokei*100)/60;
+        g_tokei=d_tokei+(tokei-d_tokei*100)/60;
+        sprintf( gpt1, "%02X", (char(d_tokei)) & 0xFF);
+        sprintf( gpt2, "%02X", (char(m_tokei)) & 0xFF);
+        sprintf( gpt3, "%02X", (char((m_tokei-char(m_tokei))*100)) & 0xFF);
+        sprintf( gpt4, "%02X", (char(((m_tokei-char(m_tokei))*100-char((m_tokei-char(m_tokei))*100))*100)) & 0xFF);
+        lat[0] = gph1[0];
+        lat[1] = gph1[1];
+        lat[2] = gph2[0];
+        lat[3] = gph2[1];
+        lat[4] = gph3[0];
+        lat[5] = gph3[1];
+        lat[6] = gph4[0];
+        lat[7] = gph4[1];
+        log[0] = gpt1[0];
+        log[1] = gpt1[1];
+        log[2] = gpt2[0];
+        log[3] = gpt2[1];
+        log[4] = gpt3[0];
+        log[5] = gpt3[1];
+        log[6] = gpt4[0];
+        log[7] = gpt4[1];               
+    }
+    *dsize = 8;
+}
\ No newline at end of file
diff -r 000000000000 -r 1be20a74923d HeptaGPS.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HeptaGPS.h	Thu Aug 03 04:28:24 2017 +0000
@@ -0,0 +1,29 @@
+#ifndef MBED_HEPTAGPS_H
+#define MBED_HEPTAGPS_H
+#include "mbed.h"
+
+class HeptaGPS{
+public:
+    Serial gps;
+    HeptaGPS(
+        PinName tx,
+        PinName rx 
+    );
+    void baud(int rate);
+    char getc();
+    int  readable();
+    void flushSerialBuffer(void);
+    void gga_sensing(float *time, float *latitude, char *ns, float *longitude, char *ew, int *quality, int *stnum, float *hacu, float *altitude, char *aunit, int *gps_check);
+    void lat_log_sensing_u16(char *lat, char *log, int *dsize);
+private:
+    char msg[256],msgd[256];
+    int i,ite,rlock,stn;
+    char c;
+    char gps_data[7][1000];
+    char ns,ew,statas;
+    float time,hokui,tokei,vel;
+    float g_hokui,g_tokei;
+    float d_hokui,m_hokui,d_tokei,m_tokei;
+    int h_time,m_time,s_time;
+};
+#endif
\ No newline at end of file