/* This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
/** library to receive data from a Bluetooth SPP module
 *  @file
 *  @author King Kévin <kingkevin@cuvoodoo.info>
 *  @date 2016-2020
 *  @note peripherals used: USART @ref spp_uart
 */
#pragma once

/** flag set when data has been received and is available */
extern volatile bool spp_rx_input_available;

/** setup UART peripheral */
void spp_rx_setup(void);
/** get the data received from Bluetooth SPP module
 *  @return available data
 *  @warning returns 0 when no data is available
 *  @note sets spp_rx_input_available to indicate if more data is available
 */
char spp_rx_input_get(void);