Embedded C language code in mikroc AVR

Note : Pin connection should be in according to code below. if any confusion then ask in comments below...

//start global variables
char str[10] = "000";
unsigned char body_temp_str[7]="000 ";
unsigned char heart_beat_str[4]="00 0";
unsigned char in_char =0;
unsigned char out_char =0;

float time = 1;
float speed = 0;

// End global variables
// LCD module connections
sbit LCD_RS at PORTB0_bit;
sbit LCD_EN at PORTB1_bit;
sbit LCD_D4 at PORTB2_bit;
sbit LCD_D5 at PORTB3_bit;
sbit LCD_D6 at PORTB4_bit;
sbit LCD_D7 at PORTB5_bit;
sbit LCD_RS_Direction at DDB0_bit;
sbit LCD_EN_Direction at DDB1_bit;
sbit LCD_D4_Direction at DDB2_bit;
sbit LCD_D5_Direction at DDB3_bit;
sbit LCD_D6_Direction at DDB4_bit;
sbit LCD_D7_Direction at DDB5_bit;
// End LCD module connections

//start buttons
#define button_PIN1 PINC
#define button_DDR1 DDRC
#define button_PORT1 PORTC
#define button1_1 2
#define button1_2 3
#define button1_3 4
void init_buttons(){ //initialise buttons
button_DDR1 &= ~((1<<button1_3)|(1& lt;<button1_2)|(1<&l t;button1_1));
button_PORT1 |= (1<<button1_3)|(1< ;<button1_2)|(1<< button1_1);
}
//End buttons
//Start Sensors
#define sensors_PIN1 PINC
#define sensors_DDR1 DDRC
#define sensors_PORT1 PORTC
#define sensor1_0 0
#define sensor1_1 1
//define sensor1_2 2
void init_sensors(){ //initialise sensors
sensors_DDR1 &= ~((1<<sensor1_0)|(1& lt;<sensor1_1));
sensors_PORT1 &= ~((1<<sensor1_0)|(1& lt;<sensor1_1));
}
//End sensors
// Start outputs
#define outputs_PORT1 PORTD
#define outputs_DDR1 DDRD
#define buzzer 0 //pin number
//#define relay 1 //pin number
void init_outputs(){ //initialise outputs
outputs_DDR1 |= 1<<buzzer;
//outputs_DDR1 |= 1<<relay;
}
//End outputs

/********************* ************************** ************************** ******
* MAIN PROGRAM
********************** ************************** ************************** *****/
void main(){
Lcd_Init(); // Initialize Lcd
init_buttons();
init_sensors();
init_outputs();
outputs_PORT1 &=~(1<<buzzer); //buzzer OFF
Delay_ms(100); //wait for UART Initialize
Lcd_Cmd(_LCD_CLEAR); // Clear display
Lcd_Cmd(_LCD_CURSOR_OFF); // Cursor off
Lcd_Out(1,1,"HWAY SPD CHECKER");
Lcd_Out(2,1,"Initiati ng.......");
Delay_ms(1000);

< div style="background:#eeeeee; border:1px solid #cccccc; padding:5px 10px"> while(1){
////////////////////// /////////////ENTRY start///////////////////// //////////////
unsigned time = 1;
unsigned int speed = 0;
if((sensors_PIN1 & (1<< sensor1_1)))
{ outputs_PORT1 |= (1<<buzzer); //buzzer ON
Lcd_Out(2,1,"SP D calculating..");
Delay_ms(10);
outputs_PORT1 &=~(1<<buzzer); //buzzer OFF
while(1) {
time++;
if((sensors_PIN1 & (1<< sensor1_0))) {
break;
}
Delay_ms(10);
}
speed = (1000/time);
FloatToStr(speed, str);
Lcd_Cmd(_LCD_CLEAR); // Clear display
Lcd_Cmd(_LCD_CURSOR_OFF); // Cursor off
Lcd_Out(1,1,"HWAY SPD CHECKER");
Lcd_Out(2,1,"SPEED=&q uot;);
Lcd_Out(2,7," ");
Lcd_Out(2,7,str);
Delay_ms(2000);

if(!(button_PIN1 & (1<< button1_1))) {
if(speed < 41) {
Lcd_Cmd(_LCD_CLEAR); // Clear display
Lcd_Cmd(_LCD_CURSOR_ OFF); // Cursor off
Lcd_Out(1,1,"HI GHWAY SPD CHECKER");
Lcd_Out(2,1,"SP EED =");
Lcd_Out(2,7," ");
Lcd_Out(2,7,str);
Lcd_Out(2,13,"L OW ");
outputs_PORT1 |= (1<<buzzer); //buzzer ON
Delay_ms(5000);
Delay_ms(5000);
Delay_ms(5000);
Delay_ms(5000);
outputs_PORT1 &=~(1<<buzzer); //buzzer OFF
goto start;
}
}

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Embedded C language code in mikroc AVR