41 lines
713 B
C
41 lines
713 B
C
/*
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* File: uart.h
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* Author: Sebastian H. Gabrielli
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*
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* Created on March 6, 2024, 3:19 PM
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*/
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#ifndef UART_H
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#define UART_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <avr/io.h>
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#include <stdio.h>
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#ifndef F_CPU
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#define F_CPU 4E6
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#endif
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#define USART3_BAUD_RATE(BAUD_RATE) ((float)(F_CPU * 64 / (16 * (float)BAUD_RATE)) + 0.5)
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// Initialize the USART3 controller
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void init_uart(uint16_t baud);
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// Send a single character over UART
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void USART3_sendChar(char c);
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// Send a string of characters over UART
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int USART3_printChar(char c, FILE *stream);
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static FILE USART_stream = FDEV_SETUP_STREAM(USART3_printChar, NULL, _FDEV_SETUP_WRITE);
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#ifdef __cplusplus
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}
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#endif
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#endif /* UART_H */
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