4ad3ede21a
There is an underlying hardware SPI driver (built on top of the STM HAL) and then on top of this sits the legacy pyb.SPI class as well as the machine.SPI class. This patch improves the separation between these layers, in particular decoupling machine.SPI from pyb.SPI.
55 lines
2.0 KiB
C
55 lines
2.0 KiB
C
/*
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* This file is part of the MicroPython 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) 2013, 2014 Damien P. George
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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_STMHAL_SPI_H
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#define MICROPY_INCLUDED_STMHAL_SPI_H
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#include "dma.h"
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typedef struct _spi_t {
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SPI_HandleTypeDef *spi;
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const dma_descr_t *tx_dma_descr;
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const dma_descr_t *rx_dma_descr;
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} spi_t;
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extern SPI_HandleTypeDef SPIHandle1;
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extern SPI_HandleTypeDef SPIHandle2;
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extern SPI_HandleTypeDef SPIHandle3;
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extern SPI_HandleTypeDef SPIHandle4;
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extern SPI_HandleTypeDef SPIHandle5;
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extern SPI_HandleTypeDef SPIHandle6;
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extern const spi_t spi_obj[6];
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extern const mp_obj_type_t pyb_spi_type;
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extern const mp_obj_type_t machine_soft_spi_type;
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extern const mp_obj_type_t machine_hard_spi_type;
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void spi_init0(void);
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void spi_init(const spi_t *spi, bool enable_nss_pin);
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const spi_t *spi_from_mp_obj(mp_obj_t o);
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#endif // MICROPY_INCLUDED_STMHAL_SPI_H
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