Diff: hepta_sat/HeptaGPS.cpp

Revision:

0:8d235efb1150

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hepta_sat/HeptaGPS.cpp	Fri Dec 09 05:02:42 2016 +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;
+}
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