ef61b5ecb5
cpx build compiles and loads and works in repl; test suite not run yet esp8266 not tested yet
61 lines
2.4 KiB
C
61 lines
2.4 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2016 Scott Shawcroft for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef MICROPY_INCLUDED_SHARED_BINDINGS_BUSIO_UART_H
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#define MICROPY_INCLUDED_SHARED_BINDINGS_BUSIO_UART_H
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#include "common-hal/microcontroller/Pin.h"
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#include "common-hal/busio/UART.h"
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extern const mp_obj_type_t busio_uart_type;
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typedef enum {
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PARITY_NONE,
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PARITY_EVEN,
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PARITY_ODD
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} uart_parity_t;
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// Construct an underlying UART object.
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extern void common_hal_busio_uart_construct(busio_uart_obj_t *self,
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const mcu_pin_obj_t * tx, const mcu_pin_obj_t * rx, uint32_t baudrate,
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uint8_t bits, uart_parity_t parity, uint8_t stop, uint32_t timeout,
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uint8_t receiver_buffer_size);
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extern void common_hal_busio_uart_deinit(busio_uart_obj_t *self);
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// Read characters. len is in characters NOT bytes!
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extern size_t common_hal_busio_uart_read(busio_uart_obj_t *self,
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uint8_t *data, size_t len, int *errcode);
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// Write characters. len is in characters NOT bytes!
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extern size_t common_hal_busio_uart_write(busio_uart_obj_t *self,
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const uint8_t *data, size_t len, int *errcode);
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extern uint32_t common_hal_busio_uart_rx_characters_available(busio_uart_obj_t *self);
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extern bool common_hal_busio_uart_ready_to_tx(busio_uart_obj_t *self);
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#endif // MICROPY_INCLUDED_SHARED_BINDINGS_BUSIO_UART_H
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