RTEMS 6.1-rc1
zynq-uart.h
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1
7/*
8 * SPDX-License-Identifier: BSD-2-Clause
9 *
10 * Copyright (C) 2013, XXX embedded brains GmbH & Co. KG
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34#ifndef LIBBSP_ARM_XILINX_ZYNQ_UART_H
35#define LIBBSP_ARM_XILINX_ZYNQ_UART_H
36
37#include <rtems/termiosdevice.h>
38
39#ifdef __cplusplus
40extern "C" {
41#endif /* __cplusplus */
42
52typedef struct {
54 volatile struct zynq_uart *regs;
55 int tx_queued;
56 bool transmitting;
59
60extern const rtems_termios_device_handler zynq_uart_handler;
61
62#define ZYNQ_UART_DEFAULT_BAUD 115200
63
64void zynq_uart_initialize(rtems_termios_device_context *base);
65
66int zynq_uart_read_polled(rtems_termios_device_context *base);
67
68void zynq_uart_write_polled(
70 char c
71);
72
77
78int zynq_cal_baud_rate(
79 uint32_t baudrate,
80 uint32_t* brgr,
81 uint32_t* bauddiv,
82 uint32_t modereg
83);
84
85#ifdef __cplusplus
86}
87#endif /* __cplusplus */
88
89#endif /* LIBBSP_ARM_XILINX_ZYNQ_UART_H */
ISR_Vector_number rtems_vector_number
This integer type represents interrupt vector numbers.
Definition: intr.h:102
Termios device context.
Definition: termiosdevice.h:68
Termios device handler.
Definition: termiosdevice.h:100
Definition: zynq-uart.h:52
Definition: zynq-uart-regs.h:48
This header file provides the interfaces of the RTEMS Termios Device Support.
void zynq_uart_reset_tx_flush(zynq_uart_context *ctx)
Definition: zynq-uart-polled.c:191