/* Reflow Oven Controller
*
* Copyright (C) 2021  Mario Hüttel <mario.huettel@gmx.net>
*
* This file is part of the Reflow Oven Controller Project.
*
* The reflow oven controller is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* The Reflow Oven Control Firmware 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 the reflow oven controller project.
* If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef __SHELL_UART_H__

#include <shellmatta.h>
#include <stddef.h>
#include <stdint.h>

/**
 * @brief Configure the UART for the shellmatta shell.
 *
 * This will configure the UART for use with a DMA ring buffer.
 * @param uart
 */
void shell_uart_setup(void);

shellmatta_retCode_t shell_uart_write_callback(const char *data, uint32_t len);

int shell_uart_receive_data_with_dma(const char **data, size_t *len);

/**
 * @brief Configure a new connection speed.
 * @param new_baud Baudrate. E.g: 115200
 * @return Error in permille (1/1000). A return value of 2 means a baudrate error of: 0.002 or 0.2%.
 * Return value is negative in case of a hard error.
 */
int32_t shell_uart_reconfig_baud(uint32_t new_baud);

uint32_t shell_uart_get_current_baudrate(void);

#define __SHELL_UART_H__

#endif /* __SHELL_UART_H__ */