Продолжайте:как я могу решить эти синтаксические ошибки codevisionavr?

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hc05.h
#ifndef	_HC05_H_
#define	_HC05_H_ 	1


#include <io.h>;
#include <delay.h>;
#include <usart.h>;

char hc_05_buffer1[25], hc_05_buffer2[50];
char temp;

void hc_05_bluetooth_transmit_byte(char data_byte);
char hc_05_bluetooth_receive_byte(void);
void hc_05_bluetooth_transmit_string(char *transmit_string);
void hc_05_bluetooth_transmit_command(char *transmit_string);
char *hc_05_bluetooth_receive_string(char *receive_string, unsigned char terminating_character);
unsigned char hc_05_bluetooth_at_command_mode_test(void);
unsigned char hc_05_bluetooth_device_name_change(char *device_name);
unsigned char hc_05_bluetooth_get_version(void);
unsigned  char hc_05_bluetooth_change_baud_rate(long int baud_rate);
unsigned  char hc_05_bluetooth_pin_change(char *new_pin);


void hc_05_bluetooth_transmit_byte(char data_byte)
{
	usart_data_transmit(data_byte);
}
char hc_05_bluetooth_receive_byte(void)
{
	return usart_data_receive();
}
void hc_05_bluetooth_transmit_string(char *transmit_string)
{
	usart_string_transmit(transmit_string);
}
char *hc_05_bluetooth_receive_string(char *receive_string, unsigned char terminating_character)
{
	unsigned char temp=0x00;
	for(unsigned char i=0;;i++)
	{
		*(receive_string+i)=usart_data_receive();
		if(*(receive_string+i)==terminating_character)
			break;
		else
			temp++;
	}
	*(receive_string+temp)=&#39;\0&#39;;
	return receive_string;
}
unsigned char hc_05_bluetooth_at_command_mode_test(void)
{
	UBRRL=12;
	delay_ms(500);
	usart_string_transmit(&quot;AT&quot;);
	usart_data_transmit(0x0d);
	usart_data_transmit(0x0a);
	usart_string_receive(hc_05_buffer1,0x0d);
	temp=usart_data_receive();
	if(!(strcmp(hc_05_buffer1,&quot;OK&quot;)))
	{
		return 1;
	}
	else
	{
		return 0;
	}
}

unsigned  char hc_05_bluetooth_change_baud_rate(long int baud_rate)
{
	UBRRL=12;
	delay_ms(500);
	
	if(baud_rate==4800)
	{
		usart_string_transmit(&quot;AT+UART=4800,0,0&quot;);
	}
	else if(baud_rate==9600)
	{
		usart_string_transmit(&quot;AT+UART=9600,0,0&quot;);
	}
	else if(baud_rate==19200)
	{
		usart_string_transmit(&quot;AT+UART=19200,0,0&quot;);
	}
	else if(baud_rate==38400)
	{
		usart_string_transmit(&quot;AT+UART=38400,0,0&quot;);
	}
	else if(baud_rate==57600)
	{
		usart_string_transmit(&quot;AT+UART=57600,0,0&quot;);
	}
	else if(baud_rate==115200)
	{
		usart_string_transmit(&quot;AT+UART=115200,0,0&quot;);
	}
	else if(baud_rate==230400)
	{
		usart_string_transmit(&quot;AT+UART=230400,0,0&quot;);
	}
	else if(baud_rate==460800)
	{
		usart_string_transmit(&quot;AT+UART=460800,0,0&quot;);
	}
	else if(baud_rate==921600)
	{
		usart_string_transmit(&quot;AT+UART=921600,0,0&quot;);
	}
	else if(baud_rate==1382400)
	{
		usart_string_transmit(&quot;AT+UART=1382400,0,0&quot;);
	}
	else
	{
		;
	}
	usart_data_transmit(0x0d);
	usart_data_transmit(0x0a);
	usart_string_receive(hc_05_buffer1,13);
	temp=usart_data_receive();
	
	if(!(strcmp(hc_05_buffer1,&quot;OK&quot;)))
	{
		return 1;
	}
	else
	{
		return 0;
	}
}

unsigned char hc_05_bluetooth_device_name_change(char *device_name)
{
	UBRRL=12;
	delay_ms(500);
	
	usart_string_transmit(&quot;AT+NAME=&quot;);
	usart_string_transmit(device_name);
	usart_data_transmit(0x0d);
	usart_data_transmit(0x0a);
	
	usart_string_receive(hc_05_buffer1,13);
	temp=usart_data_receive();
	
	if(!(strcmp(hc_05_buffer1,&quot;OK&quot;)))
	{
		return 1;
	}
	else
	{
		return 0;
	}
}

What I have tried:

Error: C:\cvavr\INC\hc05.h(34): can't open #include file: usart.h
Error: C:\cvavr\INC\hc05.h(53): undefined symbol 'usart_data_transmit'
Error: C:\cvavr\INC\hc05.h(66): undefined symbol 'unsigned'
Error: C:\cvavr\INC\hc05.h(66): undefined symbol 'i'
Error: C:\cvavr\INC\hc05.h(81): undefined symbol 'usart_string_transmit'
Error: C:\cvavr\INC\hc05.h(90): no matching if
Error: C:\cvavr\INC\hc05.h(103): undefined symbol 'usart_string_transmit'
Error: C:\cvavr\INC\hc05.h(145): undefined symbol 'usart_data_transmit'
Error: C:\cvavr\INC\hc05.h(154): no matching if
<pre lang="JavaScript">Error: C:\cvavr\INC\hc05.h(165): undefined symbol 'usart_string_transmit'

Ошибка: C:\cvavr\INC\hc05.h(177): нет соответствия, если
Ошибка: C:\cvavr\INC\hc05.h(187): должен объявить первым в блоке

Error: C:\cvavr\INC\hc05.h(188): undefined symbol 'usart_string_transmit'

Error: C:\cvavr\INC\hc05.h(205): undefined symbol 'strcmp'

Ошибка: C:\cvavr\INC\hc05.h(209): нет соответствия, если

Error: C:\cvavr\INC\hc05.h(220): undefined symbol 'usart_string_transmit'

Ошибка: C:\cvavr\INC\hc05.h(232): нет соответствия, если

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