1 /*******************************************************************************
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3 * This software is supplied by Renesas Electronics Corporation and is only
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4 * intended for use with Renesas products. No other uses are authorized. This
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5 * software is owned by Renesas Electronics Corporation and is protected under
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6 * all applicable laws, including copyright laws.
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7 * THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
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8 * THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
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9 * LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
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10 * AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
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11 * TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
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12 * ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
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13 * FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
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14 * ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
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15 * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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16 * Renesas reserves the right, without notice, to make changes to this software
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17 * and to discontinue the availability of this software. By using this software,
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18 * you agree to the additional terms and conditions found by accessing the
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20 * http://www.renesas.com/disclaimer
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21 *******************************************************************************/
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22 /* Copyright (C) 2014 Renesas Electronics Corporation. All rights reserved. */
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23 /*******************************************************************************
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24 * File Name : r_rsk_async.c
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26 * Device(s) : R5F51138AxFP
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28 * H/W Platform : RSKRX113
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29 * Description : Functions used to send data via the SCI in asynchronous mode
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30 *******************************************************************************/
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31 /*******************************************************************************
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32 * History : 26.08.2014 Ver. 1.00 First Release
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33 *******************************************************************************/
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35 /*******************************************************************************
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37 *******************************************************************************/
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38 /* Following header file provides string type definitions. */
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41 /*******************************************************************************
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42 User Includes (Project Level Includes)
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43 *******************************************************************************/
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44 /* Defines port registers */
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45 #include "r_cg_macrodriver.h"
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46 #include "r_cg_sci.h"
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47 #include "r_rsk_async.h"
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49 /*******************************************************************************
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51 *******************************************************************************/
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53 /*******************************************************************************
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55 *******************************************************************************/
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57 /* Declaration of the command string to clear the terminal screen */
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58 static const char cmd_clr_scr[] =
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59 { 27, 91, 50, 74, 0, 27, 91, 72, 0 };
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61 /*******************************************************************************
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62 * Function Prototypes
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63 *******************************************************************************/
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65 /* text_write function prototype */
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66 static void text_write (const char * const msg_string);
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68 /*******************************************************************************
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69 * Function Name: R_ASYNC_Init
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70 * Description : This function initialises the SCI channel connected to the
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71 * RS232 connector on the RSK. The channel is configured for
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72 * transmission and reception, and instructions are sent to the
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75 * Return value : none
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76 *******************************************************************************/
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77 void R_ASYNC_Init (void)
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80 /* Set up SCI1 receive buffer */
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81 R_SCI1_Serial_Receive((uint8_t *) &g_rx_char, 1);
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83 /* Enable SCI1 operations */
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86 /* Clear the text on terminal window */
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87 text_write(cmd_clr_scr);
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89 /* Display splash screen on terminal window */
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90 text_write("Renesas RSKRX113 Async Serial \r\n");
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92 /* Inform user on how to stop transmission */
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93 text_write("Press 'z' to stop and any key to resume\r\n\n");
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95 /*******************************************************************************
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96 * End of function R_ASYNC_Init
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97 *******************************************************************************/
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99 /*******************************************************************************
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100 * Function Name : text_write
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101 * Description : Transmits null-terminated string.
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102 * Argument : (char*) msg_string - null terminated string
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103 * Return value : None
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104 *******************************************************************************/
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105 static void text_write (const char * const msg_string)
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107 R_SCI1_AsyncTransmit((uint8_t *) msg_string, (uint16_t) strlen(msg_string));
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109 /*******************************************************************************
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110 * End of function text_write
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111 *******************************************************************************/
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