#include <avr/io.h>
#include "RS485.h"
#include "UART.h"

void Rs485_Init(uint8_t Uart0_Enable, uint8_t Uart1_Enable)
{
	RS485_DDR |= (1<<RS485_TX_EN);
	RS485_PORT &= ~(1<<RS485_TX_EN);
	Uart_Init(MYUBRR, Uart0_Enable, Uart1_Enable);
}

void Rs485_TransmitStart(void)
{
	RS485_PORT |= (1<<RS485_TX_EN);				/* Set transmitter enabled pin */
	while(!(RS485_PORT & (1<<RS485_TX_EN)));
}

void Rs485_TransmitEnd(void)
{
	RS485_PORT &= ~(1<<RS485_TX_EN);			/* Clear transmitter enabled pin */
}

void Rs485_TransmitUart0(uint8_t Data)
{
	Uart0_Transmit8bit(Data);					/* Check whether transmitter data buffer is empty or not */
	while(!(UCSR0A&(1<<TXC0)));					/* Check whether transmission complete or not */
	UCSR0A|=(1<<TXC0);							/* Make TXC high level */
}

void Rs485_TransmitUart1(uint8_t data)
{
	Uart1_Transmit8bit(data);					/* Check whether transmitter data buffer is empty or not */
	while(!(UCSR1A&(1<<TXC1)));					/* Check whether transmission complete or not */
	UCSR1A|=(1<<TXC1);							/* Make TXC high level */
}