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c2b0401
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master
mips_sys
fw
uart.h
added file headers
Stefan Schuermans
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c2b0401
at 2012-04-08 11:54:40
uart.h
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/* MIPS I system * Copyright 2011-2012 Stefan Schuermans <stefan@schuermans.info> * Copyleft GNU public license V2 or later * http://www.gnu.org/copyleft/gpl.html */ #ifndef UART_H #define UART_H /** * @brief configure baudrate scaler * @param[in] scale baudrate scaler (1 = 7.143 Mhz) */ void uart_cfg_scale(unsigned short scale); /** * @brief configure number of data bits * @param[in] bits number of data bits */ void uart_cfg_bits(unsigned char bits); /** * @brief configure number of stop bits * @param[in] stop number of stop bits */ void uart_cfg_stop(unsigned char stop); /** * @brief check if transmitting a character is possible * @return if transmitting a character is possible */ int uart_can_tx(void); /** * @brief transmit a character * @param[in] chr character to transmit */ void uart_tx(unsigned short chr); /** * @brief check if receiving a character is possible * @return if receiving a character is possible */ int uart_can_rx(void); /** * @brief receive a character * @return character received */ unsigned short uart_rx(void); /** * @brief determine if character is an error character * @param[in] chr character to check * @return if error */ int uart_is_err(unsigned short chr); #endif /* #ifndef UART_H */
