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drivers/source/SPISlave.cpp
76 строк
2 KB
Przemyslaw Stekiel
SPISlave: Add explicit pinmap support
28 ноя 2019, 10:31
28 ноя 2019, 10:31
3a38c6b
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/* mbed Microcontroller Library * Copyright (c) 2006-2013 ARM Limited * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "drivers/SPISlave.h" #include "mbed_assert.h" #if DEVICE_SPISLAVE namespace mbed { SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) : _spi(), _bits(8), _mode(0), _hz(1000000) { spi_init(&_spi, mosi, miso, sclk, ssel); spi_format(&_spi, _bits, _mode, 1); spi_frequency(&_spi, _hz); } SPISlave::SPISlave(const spi_pinmap_t &pinmap) : _spi(), _bits(8), _mode(0), _hz(1000000) { spi_init_direct(&_spi, &pinmap); spi_format(&_spi, _bits, _mode, 1); spi_frequency(&_spi, _hz); } void SPISlave::format(int bits, int mode) { _bits = bits; _mode = mode; spi_format(&_spi, _bits, _mode, 1); } void SPISlave::frequency(int hz) { _hz = hz; spi_frequency(&_spi, _hz); } int SPISlave::receive(void) { return (spi_slave_receive(&_spi)); } int SPISlave::read(void) { return (spi_slave_read(&_spi)); } void SPISlave::reply(int value) { spi_slave_write(&_spi, value); } } // namespace mbed #endif