108 lines
5.2 KiB
C
108 lines
5.2 KiB
C
/*********************************************************************
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* SEGGER Microcontroller GmbH *
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* The Embedded Experts *
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**********************************************************************
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* *
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* (c) 1995 - 2021 SEGGER Microcontroller GmbH *
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* *
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* www.segger.com Support: support@segger.com *
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* *
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**********************************************************************
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* *
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* SEGGER SystemView * Real-time application analysis *
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* *
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**********************************************************************
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* *
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* All rights reserved. *
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* *
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* SEGGER strongly recommends to not make any changes *
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* to or modify the source code of this software in order to stay *
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* compatible with the SystemView and RTT protocol, and J-Link. *
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* *
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* Redistribution and use in source and binary forms, with or *
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* without modification, are permitted provided that the following *
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* condition is met: *
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* *
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* o Redistributions of source code must retain the above copyright *
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* notice, this condition and the following disclaimer. *
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* *
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND *
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, *
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE *
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* DISCLAIMED. IN NO EVENT SHALL SEGGER Microcontroller BE LIABLE FOR *
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT *
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; *
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE *
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH *
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* DAMAGE. *
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* *
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**********************************************************************
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* *
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* SystemView version: 3.30 *
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* *
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**********************************************************************
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--------- END-OF-HEADER --------------------------------------------
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File : Main_RTT_MenuApp.c
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Purpose : Sample application to demonstrate RTT bi-directional functionality
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*/
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#define MAIN_C
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#include <stdio.h>
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#include "SEGGER_RTT.h"
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volatile int _Cnt;
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volatile int _Delay;
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/*********************************************************************
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*
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* main
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*/
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void main(void) {
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int r;
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int CancelOp;
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do {
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_Cnt = 0;
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SEGGER_RTT_WriteString(0, "SEGGER Real-Time-Terminal Sample\r\n");
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SEGGER_RTT_WriteString(0, "Press <1> to continue in blocking mode (Application waits if necessary, no data lost)\r\n");
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SEGGER_RTT_WriteString(0, "Press <2> to continue in non-blocking mode (Application does not wait, data lost if fifo full)\r\n");
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do {
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r = SEGGER_RTT_WaitKey();
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} while ((r != '1') && (r != '2'));
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if (r == '1') {
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SEGGER_RTT_WriteString(0, "\r\nSelected <1>. Configuring RTT and starting...\r\n");
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SEGGER_RTT_ConfigUpBuffer(0, NULL, NULL, 0, SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL);
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} else {
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SEGGER_RTT_WriteString(0, "\r\nSelected <2>. Configuring RTT and starting...\r\n");
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SEGGER_RTT_ConfigUpBuffer(0, NULL, NULL, 0, SEGGER_RTT_MODE_NO_BLOCK_SKIP);
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}
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CancelOp = 0;
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do {
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//for (_Delay = 0; _Delay < 10000; _Delay++);
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SEGGER_RTT_printf(0, "Count: %d. Press <Space> to get back to menu.\r\n", _Cnt++);
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r = SEGGER_RTT_HasKey();
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if (r) {
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CancelOp = (SEGGER_RTT_GetKey() == ' ') ? 1 : 0;
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}
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//
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// Check if user selected to cancel the current operation
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//
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if (CancelOp) {
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SEGGER_RTT_WriteString(0, "Operation cancelled, going back to menu...\r\n");
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break;
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}
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} while (1);
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SEGGER_RTT_GetKey();
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SEGGER_RTT_WriteString(0, "\r\n");
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} while (1);
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}
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/*************************** End of file ****************************/
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