pios_usart_priv.h

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/*
 * 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/>
 */

#ifndef PIOS_USART_PRIV_H
#define PIOS_USART_PRIV_H

#include <pios.h>
#include <pios_stm32.h>
#include "pios_usart.h"

extern const struct pios_com_driver pios_usart_com_driver;

struct pios_usart_cfg {
        USART_TypeDef *regs;
        uint32_t remap;         /* GPIO_Remap_* */
        struct stm32_gpio rx;
        struct stm32_gpio tx;
        struct stm32_irq irq;
};

struct pios_usart_params {
        USART_InitTypeDef init;
        bool rx_invert;
        bool tx_invert;
        bool rxtx_swap;
        bool single_wire;
};

extern int32_t PIOS_USART_Init(uintptr_t * usart_id, const struct pios_usart_cfg * cfg, struct pios_usart_params * params);
extern const struct pios_usart_cfg * PIOS_USART_GetConfig(uintptr_t usart_id);

#endif /* PIOS_USART_PRIV_H */