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btstack_stdin: implement btstack_stdin_embedded.c that relies on new hal_stdin.h to receive console characters

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This commit is contained in:
Matthias Ringwald 2017-05-26 22:28:12 +02:00
parent 829e22376a
commit b570940d6e
2 changed files with 143 additions and 0 deletions
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83
platform/embedded/btstack_stdin_embedded.c Normal file
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/*
* Copyright (C) 2017 BlueKitchen GmbH
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holders nor the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* 4. Any redistribution, use, or modification is done solely for
* personal benefit and not for any commercial purpose or for
* monetary gain.
*
* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
* RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Please inquire about commercial licensing options at
* contact@bluekitchen-gmbh.com
*
*/
#define __BTSTACK_FILE__ "btstack_stdin_embedded.c"
/*
* btstack_stdin_embedded.c
*
* Common code to provide console input using an IRQ-driven console UART in hal_stdin.h
*
*/
#include "hal_stdin.h"
#include "btstack_stdin.h"
#include "btstack_run_loop.h"
#include "btstack_run_loop_embedded.h"
volatile int stdin_character_received;
volatile char stdin_character;
static void (*stdin_handler)(char c);
static btstack_data_source_t stdin_data_source;
static void btstack_stdin_handler(char c){
stdin_character = c;
stdin_character_received = 1;
btstack_run_loop_embedded_trigger();
}
static void btstack_stdin_process(struct btstack_data_source *ds, btstack_data_source_callback_type_t callback_type){
if (!stdin_character_received) return;
if (stdin_handler){
(*stdin_handler)(stdin_character);
}
stdin_character_received = 0;
}
void btstack_stdin_setup(void (*handler)(char c)){
// set handler
stdin_handler = handler;
// set up polling data_source
btstack_run_loop_set_data_source_handler(&stdin_data_source, &btstack_stdin_process);
btstack_run_loop_enable_data_source_callbacks(&stdin_data_source, DATA_SOURCE_CALLBACK_POLL);
btstack_run_loop_add_data_source(&stdin_data_source);
// start receiving
hal_stdin_setup(&btstack_stdin_handler);
}

60
platform/embedded/hal_stdin.h Normal file
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/*
* Copyright (C) 2017 BlueKitchen GmbH
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holders nor the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* 4. Any redistribution, use, or modification is done solely for
* personal benefit and not for any commercial purpose or for
* monetary gain.
*
* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
* RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Please inquire about commercial licensing options at
* contact@bluekitchen-gmbh.com
*
*/
/*
* hal_stdin.h
*
* Support for console input for embedded targets
*/
#ifndef __HAL_STDIN_H
#define __HAL_STDIN_H
#if defined __cplusplus
extern "C" {
#endif
/**
* @brief setup handler for console input
* @param hander to be called with new input, can be from ISR context
*/
void hal_stdin_setup(void (*handler)(char c));
#if defined __cplusplus
}
#endif
#endif // __HAL_STDIN_H