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uart.h

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+/*	
+ *  Copyright (C) 2019  Akshay Patwardhan
+ *  akshay.patwardhan@outlook.com
+ *  
+ *  Please go through readme.md for usage and other instructions, if any.
+ *
+ *	This program is free software: you can redistribute it and/or modify
+ *	it under the terms of the GNU General Public License as published by
+ *	the Free Software Foundation, either version 3 of the License, or
+ *	(at your option) any later version.
+ *
+ *	This program is distributed in the hope that it will be useful,
+ *	but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *	GNU General Public License for more details.
+ *	You should have received a copy of the GNU General Public License
+ *	along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+// Guarding macro start
+#ifndef UART_H
+#define UART_H
+
+// Includes begin
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <time.h>
+#include <termios.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <string.h>
+
+// Error codes and return values
+#define UART_FUNCTION_SUCCESSFUL        0
+#define UART_NUMBER_INCORRECT           1
+#define UART_BAUDRATE_INCORRECT         2
+#define UART_FIFO_ERROR                 3
+#define UART_INCORRECT_PATH             4
+
+// Function declarations
+int uartConf(unsigned char uartNumber, int baudRate);
+int uartClose(unsigned char uartNumber);
+int uartTransmit(unsigned char uartNumber, unsigned char message[]);
+int uartReceive(unsigned char uartNumber);
+
+// Guarding macro end
+#endif // UART_H