5
Last change
on this file since 11f0d52 was
11f0d52,
checked in by Sebastian Huber <sebastian.huber@…>, on 02/22/17 at 08:01:40
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bsp/xilinx-zynq: Add interrupt support to UART
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Property mode set to
100644
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File size:
1.4 KB
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1 | /** |
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2 | * @file |
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3 | * @ingroup zynq_uart |
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4 | * @brief UART support. |
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5 | */ |
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6 | |
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7 | /* |
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8 | * Copyright (c) 2013, 2017 embedded brains GmbH. All rights reserved. |
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9 | * |
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10 | * embedded brains GmbH |
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11 | * Dornierstr. 4 |
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12 | * 82178 Puchheim |
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13 | * Germany |
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14 | * <info@embedded-brains.de> |
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15 | * |
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16 | * The license and distribution terms for this file may be |
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17 | * found in the file LICENSE in this distribution or at |
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18 | * http://www.rtems.org/license/LICENSE. |
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19 | */ |
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20 | |
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21 | #ifndef LIBBSP_ARM_XILINX_ZYNQ_UART_H |
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22 | #define LIBBSP_ARM_XILINX_ZYNQ_UART_H |
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23 | |
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24 | #include <rtems/termiostypes.h> |
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25 | |
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26 | #ifdef __cplusplus |
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27 | extern "C" { |
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28 | #endif /* __cplusplus */ |
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29 | |
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30 | /** |
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31 | * @defgroup zynq_uart UART Support |
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32 | * @ingroup arm_zynq |
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33 | * @brief UART Support |
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34 | */ |
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35 | |
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36 | typedef struct { |
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37 | rtems_termios_device_context base; |
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38 | volatile struct zynq_uart *regs; |
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39 | bool transmitting; |
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40 | rtems_vector_number irq; |
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41 | } zynq_uart_context; |
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42 | |
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43 | const rtems_termios_device_handler zynq_uart_handler; |
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44 | |
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45 | extern zynq_uart_context zynq_uart_instances[2]; |
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46 | |
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47 | #define ZYNQ_UART_DEFAULT_BAUD 115200 |
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48 | |
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49 | void zynq_uart_initialize(rtems_termios_device_context *base); |
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50 | |
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51 | int zynq_uart_read_polled(rtems_termios_device_context *base); |
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52 | |
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53 | void zynq_uart_write_polled( |
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54 | rtems_termios_device_context *base, |
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55 | char c |
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56 | ); |
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57 | |
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58 | /** |
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59 | * Flush TX FIFO and wait until it is empty. Used in bsp_reset. |
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60 | */ |
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61 | void zynq_uart_reset_tx_flush(zynq_uart_context *ctx); |
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62 | |
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63 | #ifdef __cplusplus |
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64 | } |
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65 | #endif /* __cplusplus */ |
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66 | |
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67 | #endif /* LIBBSP_ARM_XILINX_ZYNQ_UART_H */ |
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