void init(void);
void start(void);
void send(int);
void send(int);
void stop(void);


void setup() {
  // put your setup code here, to run once:
init();
start();
send(0x03);
send(0x01);
stop();
}

void loop() {}
  // put your main code here, to run repeatedly:
void init(void)
{
  volatile char *port_f = 0x30;
  *port_f = 0x01;
}

void start(void)
{
  volatile long i;
   volatile char *slave = 0x31;
   volatile char *TWCR1 = 0xbc;
    *TWCR1 = 0xa4;
   while(*TWCR1 != 0x04)
   {
    *slave = 0x01;
    for(i=0;i<100000;i++);
    *slave = 0x00;
    for(i=0;i<100000;i++);
    break;
   }
}

void send(volatile int num)
{
  volatile long i;
   volatile char *slave = 0x31;
   volatile char *TWCR1 = 0xbc;
   volatile char *TWDR1 = 0xbb;
   *TWCR1 = 0x84;
   *TWDR1 = num;
   while(*TWCR1 != 0x84)
   {
    *slave = 0x01;
    for(i=0;i<100000;i++);
    *slave = 0x00;
    for(i=0;i<100000;i++);
    break;
   }



}

void stop(void)
{
  volatile long i;
   volatile char *slave = 0x31;
   volatile char *TWCR1 = 0xbc;
  *TWCR1 = 0x94;
   while(*TWCR1 != 0x94)
   {
    *slave = 0x02;
    for(i=0;i<100000;i++);
    *slave = 0x00;
    for(i=0;i<100000;i++);
    break;
   }


}