File content as of revision 0:d024d4d62f2e:

/* ADコンバータであるMCP3204を使い，圧力センサP-7100からデータを取得するためのコード */

#include "mbed.h"

SPI spi(p5, p6, p7);
DigitalOut cs(p8);
Timer t;

Serial pc(USBTX, USBRX);

int main()
{
    // ADC val
    uint8_t high, low;
    double value, v, tp;
    
    //file val
    int i = 0, j = 0, k = 1000;
    double V[k], TP[k],T[k];
    
    spi.format(7, 0);
    spi.frequency(1000000);
    
    pc.baud(460800);
    
    pc.printf("start!\n");
    
    t.start();
    
    while(j < 20)
    {
    
    while(i < k)
    {
        cs = 0;
        
        spi.write(0x60); //シングル
        //spi.write(0x40); //差動
        
        high = spi.write(0x00);
        low = spi.write(0x00);
        
        low = (high << 5) | (low >> 2);
        high = high >> 3;
        
        value = (high << 8) | low;
        
        v = value / 4096 * 5.0;
        
        tp = 0.25 * v - 0.125;
        
        V[i] = v;
        TP[i] = tp;
        T[i] = t.read();
        
        //pc.printf("sensor 0 value = %lf\n", value);
        
        cs = 1;
        
        i++;
        
        wait(0.009);
    }
    
    i  = 0;
    
    while(i < k)
    {
        pc.printf("%f, %f, %f\n", T[i], V[i], TP[i]);
        
        i++;
    }
    
    i = 0;
    
    j++;
    
    }
    
    t.stop();
    
    pc.printf("finish!");
}