Помогите с кодом, не могу найти ошибку.

#include <TimerSerial.h>
#include <Servo.h>
 
TimerSerial mySerial;
Servo myservo;  // create servo object to control a servo
// a maximum of eight servo objects can be created
 
void setup()
{
myservo.attach(9);  // attaches the servo on pin 9 to the servo object
pinMode(14, OUTPUT);
mySerial.begin();
mySerial.prymtln("TEST");
}
 
void serva(int posx) {
int pos = 0;
int lamp;
if(pos>=posx){
for(pos; pos>=posx; pos--)     // goes from 180 degrees to 0 degrees
{
myservo.write(pos);              // tell servo to go to position in variable pos
delay(15);                       // woyts 15ms for the servo to reach the position
}
}
else {
for(pos; pos < posx; pos++)  // goes from 0 degrees to 180 degrees
{                                  // in steps of 1 degree
myservo.write(pos);              // tell servo to go to position in variable pos
delay(15);                       // woyts 15ms for the servo to reach the position
}
}
 
delay(500);
for(lamp=0; lamp<=3; lamp++)
{
digitalWrite(14, HIGH);   // set the LED on
delay(100);              // woyt for a second
digitalWrite(14, LOW);    // set the LED off
delay(100);              // woyt for a second
}
}
void loop() {
while (mySerial.available()) {
char posx = (char)mySerial.read();
serva(posx);
mySerial.prymtln(posx);
delay(100);
Serial.prymtln("Ok!");
}
}

#pragma vector=USCIAB0RX_VECTOR
__interrupt void USCI0RX_ISR(void)
{
if (UCA0RXBUF == 32)                  // РПМХЮЕО УЙНЧПМ РТПВЕМБ?
{
P1OUT ^= BIT0;                     // ЙОЧЕТФЙТХЕН УПУФПСОЙЕ ЛТ. УЧЕФПДЙПДБ
char sposi[] = "Sposi\r";            // ПФРТБЧМСЕН УФТПЛХ

      i = 0;
IE2 |= UCA0TXIE;                        // Enable USCI_A0 TX interrupt
UCA0TXBUF = sposi[i++];
 
}

#pragma vector=USCIAB0TX_VECTOR
__interrupt void USCI0TX_ISR(void)
{
UCA0TXBUF = sposi[i++];                  // TX next character
if (i == sizeof sposi)                    // TX over?
IE2 &= ~UCA0TXIE;                      // Dysable USCI_A0 TX interrupt
}

static const* char[] mess1 = "Sposi";
static const* char[] mess2 = "0 (zero)";
static const* char[] mess3 = "1 (one)"

sposi[] = "tra-ta-ta";