File content as of revision 19:55f3114f3996:

#include "mbed.h"
#include "C12832_lcd.h"
#include "Arial_9.h"
#include "Small_7.h"
#include "graphics.h"
#include "models.h"
#include "rtos.h"
#include "point.h"

C12832_LCD lcd;

// down: p12, left: p13, center: p14, up: p15, right: p16
InterruptIn button(p14);
DigitalOut led1(LED1);

Mutex jump_mtx;
Mutex update_mtx;
int jump_flag = 0;
Person h;
Serial pc(USBTX, USBRX); // tx, rx
Bullet* b = NULL;
Timer t;


void a(){
    h.jump();
}

void jump_receive(void const *argument){
    while(true){
        jump_mtx.lock();
        button.rise(&a);
        jump_mtx.unlock();
        //Thread::wait(0.1);
    }
}

void bullet_receive(void const *argument){
    point start;
    start.x = 127;
    start.y = 27;
    char c;
    while(true){
        t.start();
        c = pc.getc();
        if(c == 'a' && t.read() > 5.0){
            b = NULL;
            b = &Bullet(start, 2);
            t.reset();
        }
    }
}

int main(){
    point p_person, p_bullet;
    printf("hello\n");
    Thread jump_th(jump_receive);
    Thread bullet_th(bullet_receive);
    while(true){
        update_mtx.lock();
        p_person = h.update(1);
        if(b != NULL){
            p_bullet = b->update();
        }
        //printf("x: %d,  y: %d", p_bullet.x,p_bullet.y);
        update_mtx.unlock();
        lcd.cls();
        lcd.print_bm(bitmPlayer,p_person.x,p_person.y);
        if(b != NULL){
            lcd.print_bm(bitmBullet_graphics, p_bullet.x, p_bullet.y);
        }
        lcd.copy_to_lcd();
        wait(0.02);
        lcd.cls();
        lcd.print_bm(bitmPlayerB,p_person.x,p_person.y);
        if(b != NULL){
            lcd.print_bm(bitmBullet_graphics, p_bullet.x, p_bullet.y);
        }
        lcd.copy_to_lcd();
        wait(0.02);
    }
}