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https://github.com/saymrwulf/uhd.git
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92 lines
2.2 KiB
C
92 lines
2.2 KiB
C
/* -*- c -*- */
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/*
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* Copyright 2007,2008 Free Software Foundation, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef INCLUDED_HAL_UART_H
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#define INCLUDED_HAL_UART_H
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/*!
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* \brief uart mode flags
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*/
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#define UART_MODE_RAW 0x0000 // no mapping on input or output
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#define UART_MODE_ONLCR 0x0001 // map \n to \r\n on output (default)
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#define DEFAULT_UART UART_DEBUG //which UART printf, gets, etc. use
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typedef enum {
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US_9600 = 0,
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US_19200 = 1,
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US_38400 = 2,
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US_57600 = 3,
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US_115200 = 4,
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US_230400 = 5
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} hal_uart_speed_t;
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typedef struct {
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hal_uart_speed_t speed;
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} hal_uart_config_t;
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typedef enum {
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UART_DEBUG = 0,
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UART_EXP = 1,
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UART_GPS = 2
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} hal_uart_name_t;
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/*
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* \brief Set uart mode
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*/
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void hal_uart_set_mode(hal_uart_name_t uart, int flags);
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/*!
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* \brief one-time call to init
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*/
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void hal_uart_init(void);
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/*!
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* \brief Set uart parameters
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* Default is 115,200 bps, 8N1.
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*/
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void hal_uart_set_config(const hal_uart_config_t *c);
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/*!
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* \brief Get uart configuation.
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*/
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void hal_uart_get_config(hal_uart_config_t *c);
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/*!
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* \brief Enqueue \p ch for output over serial port
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*/
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void hal_uart_putc(hal_uart_name_t u, int ch);
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/*!
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* \brief Enqueue \p ch for output over serial port, silent fail if queue is full
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*/
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void hal_uart_putc_nowait(hal_uart_name_t u, int ch);
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/*
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* \brief Blocking read of next char from serial port
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*/
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int hal_uart_getc(hal_uart_name_t u);
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/*
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* \brief Non-blocking read of next char from serial port, return -1 if nothing available
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*/
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int hal_uart_getc_noblock(hal_uart_name_t u);
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int hal_uart_rx_flush(hal_uart_name_t u);
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#endif /* INCLUDED_HAL_UART_H */
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