Tadao Iida
エレキジャック Web版 mbedで初めてのマイコン開発 センサを使ってみよう Rapid PrototypingでGPSロガーをサクサク作るの記事のGPS Loggerのプログラムです。とても簡単にGPS Loggerを作ることができます。 http://www.eleki-jack.com/arm/2011/03/mbed-rapid-prototypinggps-1.html
Dependencies: TextLCD mbed SDFileSystem
Diff: main.cpp
- Revision:
- 0:83a5c5ca947f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Mar 08 08:13:49 2011 +0000
@@ -0,0 +1,94 @@
+#include "mbed.h"
+#include "MyGPS.h"
+#include "TextLCD.h"
+#include "string.h"
+#include "SDFileSystem.h"
+
+TextLCD lcd(p24, p26, p27, p28, p29, p30) ;
+MyGPS gps(p9, p10); // tx, rx
+SDFileSystem sd(p5, p6, p7, p8, "sd1") ;
+DigitalOut led1(LED1);
+
+void writeLocation(void) ;
+void ledFlash(void);
+
+int main() {
+ time_t oldTime = 0 ,nowTime = 0;
+ char strTimeMsg[16];
+ time_t t_time;
+
+ gps.setUpdateTime(10);
+ lcd.cls();
+
+ lcd.locate(0,0);
+ lcd.printf("Please Wait....");
+ gps.setTime();
+
+ t_time = gps.getTime() ;
+
+ strftime(strTimeMsg,16,"%m/%d %H:%M:%S",localtime(&t_time));
+ lcd.locate(0,0);
+ lcd.printf("%s",strTimeMsg);
+ wait(2.0);
+
+ while (1) {
+ gps.sample();
+ lcd.cls();
+ if ( gps.getStatus() ==1 ){
+ lcd.locate(0,0);
+ lcd.printf("lat:%10.6f %c",gps.getLatitude(),gps.getNS());
+ lcd.locate(0,1);
+ lcd.printf("lon:%10.6f %c",gps.getLongitude(),gps.getEW());
+
+ nowTime = gps.getTime();
+ if( (oldTime + gps.getUpdateTime()) < nowTime ){
+ writeLocation();
+ oldTime = nowTime;
+ }
+ }else{
+ lcd.locate(0,1);
+ lcd.printf("data not valid!");
+ }
+ }
+}
+
+void writeLocation(void)
+{
+ FILE *fp,*fp1;
+ char strTimeMsg[32];
+ time_t t_time;
+
+ if ( gps.getStatus() == 1 ){
+ if ( (fp = fopen("/sd1/gps.txt","a"))== NULL ) {
+ lcd.cls();
+ lcd.locate(0,0);
+ lcd.printf("gps Open Failed.") ;
+ wait(0.5);
+ }else{
+ t_time = gps.getTime() ;
+ strftime(strTimeMsg,32,"%Y/%m/%d %H:%M:%S ",localtime(&t_time));
+ fprintf(fp,"%s",strTimeMsg);
+ fprintf(fp,"Latitude:%f Longitude:%f\n",gps.getLatitude(),gps.getLongitude());
+
+ ledFlash();
+ fclose(fp);
+ }
+
+ if ( (fp1 = fopen("/sd1/NMEA.nme","a"))== NULL ) {
+ lcd.cls();
+ lcd.locate(0,1);
+ lcd.printf("NMEA Open Failed.") ;
+ wait(0.5);
+ }else{
+ fprintf(fp1,"%s\n",gps.getNMEA());
+ fclose(fp1);
+ }
+ }
+}
+
+void ledFlash(void)
+{
+ led1=1;
+ wait(0.3);
+ led1=0;
+}
\ No newline at end of file