Atsumi Toda
/
mbed_GPS_TP
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Revision 0:7fe771d8b39a, committed 2017-09-03
- Comitter:
- Joeatsumi
- Date:
- Sun Sep 03 11:54:59 2017 +0000
- Commit message:
- TBT S-240???TP?GPS???
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
diff -r 000000000000 -r 7fe771d8b39a main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sun Sep 03 11:54:59 2017 +0000
@@ -0,0 +1,55 @@
+//LPC1768での作動を確認。
+#include "mbed.h"
+DigitalOut led(LED1);
+LocalFileSystem local("local");
+
+//機体に搭載する際には、LPC1768ではなく、LPC1114を使うと思うので、
+//LocalFileSystem ではなく、sdfilesystemを使うといいかも。
+
+Serial gps(p9,p10);//9,10ピンをGPSの送受信に用いる。
+
+int main(){
+
+ char rcv[256];
+ int count=0;
+ int log_count=0;
+ FILE*fp;
+
+ gps.baud(9600); //gpsのボーレート設定
+
+
+ while(1){
+ if(gps.readable()){//GPSからの文字を受信したら
+
+ rcv[count]=gps.getc();
+
+ if(rcv[count]=='$'){//$という文字を受信したら、
+ rcv[0]='$';
+ count=1;
+ }else{
+ if(rcv[count-1]=='\r'&&rcv[count]=='\n'){
+ rcv[count+1]='\0';
+
+ if(memcmp(rcv, "$GPRMC",6) == 0) {//$GPRMCという文字を10回取得すると記録する。
+
+ if(log_count >= 10) {
+
+ log_count=0;
+ led=1;
+ fp=fopen("/local/nmea.log","a");
+ if(fp != NULL){
+ fprintf(fp,"%s",rcv);
+ fclose(fp);
+ } // if(log_count >= 10) ends
+ }else{
+ led=0;
+ log_count++;
+ }//else ends
+
+ }
+ count =0;
+ }else{
+ count++;
+ }
+ }
+ }}}
diff -r 000000000000 -r 7fe771d8b39a mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sun Sep 03 11:54:59 2017 +0000 @@ -0,0 +1,1 @@ +https://mbed.org/users/mbed_official/code/mbed/builds/fd96258d940d \ No newline at end of file