File content as of revision 0:8848a3fcb99c:

#pragma import __use_all_ctype

#include "mbed.h"
#include <stdlib.h>

Serial pc(USBTX, USBRX);
Serial pi(p9, p10);  // tx, rx

bool f_rcev = 0;
unsigned int c_rcev = 0;
char uartBuff[1000];
char uartRcev[1000];

void callback() {
    char buf = 0;

    buf = pi.getc();
    uartBuff[c_rcev] = buf;
    if(uartBuff[c_rcev] == '\r' )
    {
        uartBuff[c_rcev+1] = 0;
        memcpy(uartRcev,uartBuff,sizeof(uartRcev) );
        memset(uartBuff,0,sizeof(uartBuff));
        c_rcev = 0;
        f_rcev = 1;
    }
    else
    {
        c_rcev++;
    }
}

int main(void) {

    pi.baud(115200);
    pc.baud(115200);
    pi.attach(&callback);

    while (1) 
    {
        if(f_rcev == 1)
        {
//            printf("\033[2J");
//            printf("\033[1;1H");
//            printf("%s\r\n",uartRcev);
            puts(uartRcev);
            f_rcev = 0;
        }
    }   
}