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added functions to read int or hex value from console
This commit is contained in:
matthias.ringwald@gmail.com
parent
2e62db4a2a
commit
f6d30445bd
123
platforms/posix/src/stdin_support.c
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123
platforms/posix/src/stdin_support.c
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/*
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* Copyright (C) 2014 BlueKitchen GmbH
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holders nor the names of
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* 4. Any redistribution, use, or modification is done solely for
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* personal benefit and not for any commercial purpose or for
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* monetary gain.
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*
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* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
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* RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Please inquire about commercial licensing options at
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* contact@bluekitchen-gmbh.com
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*
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*/
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#include <errno.h>
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#include <stdio.h>
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#include <termios.h>
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#include <btstack/run_loop.h>
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#include <stdlib.h>
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#include "stdin_support.h"
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#ifndef _WIN32
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static data_source_t stdin_source;
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static int activated = 0;
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void btstack_stdin_setup(int (*stdin_process)(data_source_t *_ds)){
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struct termios term = {0};
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if (tcgetattr(0, &term) < 0)
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perror("tcsetattr()");
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term.c_lflag &= ~ICANON;
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term.c_lflag &= ~ECHO;
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// term.c_cc[VMIN] = 1;
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// term.c_cc[VTIME] = 0;
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if (tcsetattr(0, TCSANOW, &term) < 0)
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perror("tcsetattr ICANON");
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stdin_source.fd = 0; // stdin
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stdin_source.process = stdin_process;
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run_loop_add_data_source(&stdin_source);
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activated = 1;
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}
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void btstack_stdin_reset(void){
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if (!activated) return;
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activated = 0;
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run_loop_remove_data_source(&stdin_source);
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struct termios term = {0};
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if (tcgetattr(0, &term) < 0)
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perror("tcsetattr()");
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term.c_lflag |= ICANON;
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term.c_lflag |= ECHO;
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// term.c_cc[VMIN] = 1;
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// term.c_cc[VTIME] = 0;
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if (tcsetattr(0, TCSANOW, &term) < 0)
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perror("tcsetattr ICANON");
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}
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int getstring(char *line, int size)
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{
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int i = 0;
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while (1){
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int ch = getchar();
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if ( ch == '\n' || ch == EOF ) {
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printf("\n");
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break;
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}
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if ( ch == '\b' || ch == 0x7f){
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printf("\b \b");
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i--;
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continue;
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}
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putchar(ch);
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line[i++] = ch;
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}
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line[i] = 0;
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return i;
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}
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uint32_t btstack_stdin_query_int(const char * fieldName){
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printf("Please enter new int value for %s:\n", fieldName);
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char buffer[80];
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getstring(buffer, sizeof(buffer));
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return atoi(buffer);
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}
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uint32_t btstack_stdin_query_hex(const char * fieldName){
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printf("Please enter new hex value for %s:\n", fieldName);
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char buffer[80];
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getstring(buffer, sizeof(buffer));
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uint32_t value;
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sscanf(buffer, "%x", &value);
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return value;
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}
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#endif
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61
platforms/posix/src/stdin_support.h
Normal file
61
platforms/posix/src/stdin_support.h
Normal file
@ -0,0 +1,61 @@
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/*
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* Copyright (C) 2014 BlueKitchen GmbH
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
|
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
|
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holders nor the names of
|
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* 4. Any redistribution, use, or modification is done solely for
|
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* personal benefit and not for any commercial purpose or for
|
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* monetary gain.
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*
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* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
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* RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Please inquire about commercial licensing options at
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* contact@bluekitchen-gmbh.com
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*
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*/
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#ifndef __STDIN_SUPPORT_H
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#define __STDIN_SUPPORT_H
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#include <btstack/run_loop.h>
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#if defined __cplusplus
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extern "C" {
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#endif
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// setup handler for command line interface
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void btstack_stdin_setup(int (*stdin_handler)(data_source_t *_ds));
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// gets called by main.c
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void btstack_stdin_reset(void);
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//
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uint32_t btstack_stdin_query_int(const char * fieldName);
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uint32_t btstack_stdin_query_hex(const char * fieldName);
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#if defined __cplusplus
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}
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#endif
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#endif
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