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circuitpython/extmod/machine_spi.h

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2.3 KiB

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2016 Damien P. George
*
* 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_EXTMOD_MACHINE_SPI_H
#define MICROPY_INCLUDED_EXTMOD_MACHINE_SPI_H
#include "py/obj.h"
#include "py/mphal.h"
#include "drivers/bus/spi.h"
// SPI protocol
typedef struct _mp_machine_spi_p_t {
void (*init)(mp_obj_base_t *obj, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args);
void (*deinit)(mp_obj_base_t *obj); // can be NULL
void (*transfer)(mp_obj_base_t *obj, size_t len, const uint8_t *src, uint8_t *dest);
} mp_machine_spi_p_t;
typedef struct _mp_machine_soft_spi_obj_t {
mp_obj_base_t base;
mp_soft_spi_obj_t spi;
} mp_machine_soft_spi_obj_t;
extern const mp_machine_spi_p_t mp_machine_soft_spi_p;
extern const mp_obj_type_t mp_machine_soft_spi_type;
extern const mp_obj_dict_t mp_machine_spi_locals_dict;
mp_obj_t mp_machine_spi_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args);
MP_DECLARE_CONST_FUN_OBJ_VAR_BETWEEN(mp_machine_spi_read_obj);
MP_DECLARE_CONST_FUN_OBJ_VAR_BETWEEN(mp_machine_spi_readinto_obj);
MP_DECLARE_CONST_FUN_OBJ_2(mp_machine_spi_write_obj);
MP_DECLARE_CONST_FUN_OBJ_3(mp_machine_spi_write_readinto_obj);
#endif // MICROPY_INCLUDED_EXTMOD_MACHINE_SPI_H