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/**
* @file
* @ingroup zynq_uart
* @brief UART support.
*/
/*
* Copyright (c) 2013, 2017 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <info@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifndef LIBBSP_ARM_XILINX_ZYNQ_UART_H
#define LIBBSP_ARM_XILINX_ZYNQ_UART_H
#include <rtems/termiostypes.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/**
* @defgroup zynq_uart UART Support
* @ingroup RTEMSBSPsARMZynq
* @brief UART Support
*/
typedef struct {
rtems_termios_device_context base;
volatile struct zynq_uart *regs;
bool transmitting;
rtems_vector_number irq;
} zynq_uart_context;
const rtems_termios_device_handler zynq_uart_handler;
extern zynq_uart_context zynq_uart_instances[2];
#define ZYNQ_UART_DEFAULT_BAUD 115200
void zynq_uart_initialize(rtems_termios_device_context *base);
int zynq_uart_read_polled(rtems_termios_device_context *base);
void zynq_uart_write_polled(
rtems_termios_device_context *base,
char c
);
/**
* Flush TX FIFO and wait until it is empty. Used in bsp_reset.
*/
void zynq_uart_reset_tx_flush(zynq_uart_context *ctx);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* LIBBSP_ARM_XILINX_ZYNQ_UART_H */
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