From a591a87f9c37c44304d1ea005c02b173024947eb Mon Sep 17 00:00:00 2001
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 =?UTF-8?q?=D1=86?= <stud126797@vyatsu.ru>
Date: Fri, 23 Jun 2023 05:42:04 +0000
Subject: [PATCH] =?UTF-8?q?=D0=97=D0=B0=D0=B3=D1=80=D1=83=D0=B7=D0=B8?=
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---
 UART.c | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 UART.h |  9 ++++++++
 2 files changed, 77 insertions(+)
 create mode 100644 UART.c
 create mode 100644 UART.h

diff --git a/UART.c b/UART.c
new file mode 100644
index 0000000..f784507
--- /dev/null
+++ b/UART.c
@@ -0,0 +1,68 @@
+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include "device_ring_buffer.h"
+#include "UART.h"
+
+#define F_CPU 16000000
+#define CONF_UART_BAUD 300
+#define BAUD CONF_UART_BAUD
+
+struct rb ring_buff_receive;
+struct rb ring_buff_transmit;
+
+inline void uart_initialize(void)
+{
+	UCSR0B=0;
+    UCSR0C=0; 
+	UCSR0B =(1<<RXEN0)|(1<<TXEN0); // Включаем приём и передачу по UART
+	UCSR0B |= (0<<UDRIE0); // Разрешаем или нет прерывание при очистке регистра данных
+	UCSR0B |= (0<<TXCIE0); // Разрешаем или нет прерывание при завершении передачи
+	UCSR0B |= (1<<RXCIE0); // Разрешаем или нет прерывание при приёме
+	UCSR0C = (1<<USBS0) | (3<<UCSZ00);
+	sei();
+}
+
+ISR(UART_RXC_vect)
+{
+	register unsigned char received_data = UDR0;// Забираем принятые данные
+	rb_put(&ring_buff_receive, received_data);
+}
+
+// Функция отправки байта
+void UART_Transmit(struct rb* _rb)
+{
+	if (_rb->count > 0)
+	{
+		if (UCSR0A & (1 << UDRE0))
+		{
+			char data;
+			rb_get(&ring_buff_transmit, &data);
+			UDR0 = data;
+		}
+	}
+}
+
+struct rb* get_rb_receive(void)
+{
+	return &ring_buff_receive;
+} 	
+
+struct rb* get_rb_transmit(void)
+{
+	return &ring_buff_transmit;
+}
+
+/*int main(void) {
+	sei();
+	uart_initialize();
+	DDRD = 0xFF;
+	uint8_t buff[] = {0x48, 0x45, 0x4C, 0x4C, 0x4F, 0x21, 0x09};
+
+	UART_Transmit(buff);
+	while (1) {
+		UART_Transmit(buff);
+	}
+}*/
\ No newline at end of file
diff --git a/UART.h b/UART.h
new file mode 100644
index 0000000..bb37741
--- /dev/null
+++ b/UART.h
@@ -0,0 +1,9 @@
+#ifndef UART_H
+#define UART_H
+
+inline void uart_initialize(void);
+void UART_Transmit(struct rb* _rb);
+struct rb* get_rb_receive(void);
+struct rb* get_rb_transmit(void);
+
+#endif /*UART_H*/
\ No newline at end of file