File content as of revision 0:649fc30be6ec:

#include "mbed.h"
#include "SDFileSystem.h"

Ticker timer;
SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board
Serial gp(p28, p27);       // tx, rx
Serial pc(USBTX, USBRX);    // tx, rx 
PwmOut moterl(p21);//左モーター
PwmOut moterr(p22);//右モーター
DigitalOut led1(LED1);
DigitalOut fet3(p23);//ニクロム線
DigitalOut led2(LED2);
DigitalOut led3(LED3);
DigitalOut led4(LED4);
DigitalOut janpa1(p19);//パラシュートの開きを検知
DigitalIn janpa2(p20);//パラシュートの開きを検知
int gosa;

char gpsc[100];
int a,b,c,d;
int i=0;

void gps()
{
    led1 = 1;
    
    printf("Hello World!\n");   
 
    mkdir("/sd/mydir", 0777);
    FILE *fp = fopen("/sd/mydir/sdtest.txt", "a");
    if(fp == NULL) {
        error("Could not open file for write\n");
        } 
        
    led1 = 0;
    led2 = 1;
    while(i!=50)
     { fputc(gp.getc(),fp);
       i++; }
    fputc(a,fp);
    
    fclose(fp);
    
    led1 = 0;
}


void start()
{
    janpa1=1;
    while(janpa2 == 1)
     { led4 = 0;
       led3 = 1;}//2
    
}



void nikuromu()
{
    led4=1;
    fet3=1;//3
    wait(60);//焼き切り時間
    led4=0;
    led3=0;
    led2=1;//4
}

void moter() {
    while(1)
    {
    float offset=0.0;
    float offset2=0.0;
    moterl.period(0.02);      // 周期
    moterr.period(0.02);          
    moterl.pulsewidth(0.08); // servo position determined by a pulsewidth between 1-2ms
    moterr.pulsewidth(0.08); //パルス幅
    
    
    }
    led2=led3=led4=1;
    wait(1.0);
    led2=led3=led4=0;
    wait(1.0);
    led2=led3=led4=1;   
}
    
int main()
{
    gp.baud(9600);
    timer.attach(&gps, 2.0);//割り込み
    led4 = 1;
    start();
    wait(60);//落下中
    nikuromu();
    moter();
    
    return 0;
}