uart.c

/*
 * uart.c
 *
 * Created: 2020-03-03 21:20:00
 *  Author: 2AM PULLUPS
 */

#include "uart.h"
 
volatile usart0_t *usart0 = (volatile usart0_t *) UCSR0A_OFFSET;
volatile usart1_t *usart1 = (volatile usart1_t *) UCSR1A_OFFSET;

void usart1_init() {
	usart1_set_baudrate();
	usart1->tx_enable				= TRUE;
	usart1->rx_enable				= TRUE;
	usart1->rx_complete_int_enable	= FALSE; //TRUE;
	usart1->multi_processor_mode	= FALSE; //TRUE;
	usart1->nbr_stop_bits = USART_STOP_BITS_2;	// 0
	usart1->nbr_data_bits_c = USART_8_BITS_C;	// 0
}

void usart1_set_baudrate()
{
	UBRR1 = UBBR1_VAL;
}

void usart0_tx_data(uint8_t data)
{	
	while (usart0->data_register_empty_flag == 0);	// Wait for empty transmit buffer		
	UDR0 = data;							// Put data into buffer, sends the data				
}

void usart0_tx_char(char ch)
{	
	while (usart0->data_register_empty_flag == 0);	// Wait for empty transmit buffer
	UDR0 = ch;							// Put data into buffer, sends the data
}

void usart0_tx_string(char *string)
{
	while(*string != 0x00) usart0_tx_char(*string++);
}

void usart0_set_baudrate(int baud)
{
	UBRR0 = UBBR0_VAL;
}

void usart1_tx_data(uint8_t data)
{
	while (usart1->data_register_empty_flag == 0);	// Wait for empty transmit buffer	
	UDR1 = data;						// Put data into buffer, sends the data
}

void usart1_tx_char(char ch)
{
	while (usart1->data_register_empty_flag == 0);	// Wait for empty transmit buffer
	UDR1 = ch;							// Put data into buffer, sends the data
}

void usart1_tx_string(char *string)
{
	while(*string != 0x00) usart1_tx_char(*string++);
}

void usart1_send_uint8_as_ascii_string(uint8_t val)
{
	char string[4];
	itoa(val, string, 10);
	usart1_tx_string(string);
	usart1_tx_data(END_OF_TX_CHAR);
}

void usart1_send_uint16_as_ascii_string(uint16_t val)
{
	char string[6];
	itoa(val, string, 10);
	usart1_tx_string(string);
	usart1_tx_data(END_OF_TX_CHAR);
}