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/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2016 Scott Shawcroft for Adafruit Industries
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef MICROPY_INCLUDED_SHARED_BINDINGS_BUSIO_UART_H
#define MICROPY_INCLUDED_SHARED_BINDINGS_BUSIO_UART_H
#include "common-hal/microcontroller/Pin.h"
#include "common-hal/busio/UART.h"
#include "py/ringbuf.h"
extern const mp_obj_type_t busio_uart_type;
typedef enum {
BUSIO_UART_PARITY_NONE,
BUSIO_UART_PARITY_EVEN,
BUSIO_UART_PARITY_ODD
} busio_uart_parity_t;
// Construct an underlying UART object.
extern void common_hal_busio_uart_construct(busio_uart_obj_t *self,
const mcu_pin_obj_t *tx, const mcu_pin_obj_t *rx,
const mcu_pin_obj_t *rts, const mcu_pin_obj_t *cts,
const mcu_pin_obj_t *rs485_dir, bool rs485_invert,
uint32_t baudrate, uint8_t bits, busio_uart_parity_t parity, uint8_t stop,
mp_float_t timeout, uint16_t receiver_buffer_size, byte *receiver_buffer,
bool sigint_enabled);
extern void common_hal_busio_uart_deinit(busio_uart_obj_t *self);
extern bool common_hal_busio_uart_deinited(busio_uart_obj_t *self);
// Read characters. len is in characters NOT bytes!
extern size_t common_hal_busio_uart_read(busio_uart_obj_t *self,
uint8_t *data, size_t len, int *errcode);
// Write characters. len is in characters NOT bytes!
extern size_t common_hal_busio_uart_write(busio_uart_obj_t *self,
const uint8_t *data, size_t len, int *errcode);
extern uint32_t common_hal_busio_uart_get_baudrate(busio_uart_obj_t *self);
extern void common_hal_busio_uart_set_baudrate(busio_uart_obj_t *self, uint32_t baudrate);
extern mp_float_t common_hal_busio_uart_get_timeout(busio_uart_obj_t *self);
extern void common_hal_busio_uart_set_timeout(busio_uart_obj_t *self, mp_float_t timeout);
extern uint32_t common_hal_busio_uart_rx_characters_available(busio_uart_obj_t *self);
extern void common_hal_busio_uart_clear_rx_buffer(busio_uart_obj_t *self);
extern bool common_hal_busio_uart_ready_to_tx(busio_uart_obj_t *self);
extern void common_hal_busio_uart_never_reset(busio_uart_obj_t *self);
#endif // MICROPY_INCLUDED_SHARED_BINDINGS_BUSIO_UART_H
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