Marco Zecchini / Mbed OS Example_RTOS

Rtos API example

mbed-os/drivers/SPISlave.cpp@0:9fca2b23d0ba, 2019-02-23 (annotated)

Committer:
marcozecchini
Date:
Sat Feb 23 12:13:36 2019 +0000
Revision:
0:9fca2b23d0ba
final commit

Who changed what in which revision?

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marcozecchini 0:9fca2b23d0ba 1 /* mbed Microcontroller Library
marcozecchini 0:9fca2b23d0ba 2 * Copyright (c) 2006-2013 ARM Limited
marcozecchini 0:9fca2b23d0ba 3 *
marcozecchini 0:9fca2b23d0ba 4 * Licensed under the Apache License, Version 2.0 (the "License");
marcozecchini 0:9fca2b23d0ba 5 * you may not use this file except in compliance with the License.
marcozecchini 0:9fca2b23d0ba 6 * You may obtain a copy of the License at
marcozecchini 0:9fca2b23d0ba 7 *
marcozecchini 0:9fca2b23d0ba 8 * http://www.apache.org/licenses/LICENSE-2.0
marcozecchini 0:9fca2b23d0ba 9 *
marcozecchini 0:9fca2b23d0ba 10 * Unless required by applicable law or agreed to in writing, software
marcozecchini 0:9fca2b23d0ba 11 * distributed under the License is distributed on an "AS IS" BASIS,
marcozecchini 0:9fca2b23d0ba 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
marcozecchini 0:9fca2b23d0ba 13 * See the License for the specific language governing permissions and
marcozecchini 0:9fca2b23d0ba 14 * limitations under the License.
marcozecchini 0:9fca2b23d0ba 15 */
marcozecchini 0:9fca2b23d0ba 16 #include "drivers/SPISlave.h"
marcozecchini 0:9fca2b23d0ba 17
marcozecchini 0:9fca2b23d0ba 18 #if DEVICE_SPISLAVE
marcozecchini 0:9fca2b23d0ba 19
marcozecchini 0:9fca2b23d0ba 20 namespace mbed {
marcozecchini 0:9fca2b23d0ba 21
marcozecchini 0:9fca2b23d0ba 22 SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) :
marcozecchini 0:9fca2b23d0ba 23 _spi(),
marcozecchini 0:9fca2b23d0ba 24 _bits(8),
marcozecchini 0:9fca2b23d0ba 25 _mode(0),
marcozecchini 0:9fca2b23d0ba 26 _hz(1000000)
marcozecchini 0:9fca2b23d0ba 27 {
marcozecchini 0:9fca2b23d0ba 28 spi_init(&_spi, mosi, miso, sclk, ssel);
marcozecchini 0:9fca2b23d0ba 29 spi_format(&_spi, _bits, _mode, 1);
marcozecchini 0:9fca2b23d0ba 30 spi_frequency(&_spi, _hz);
marcozecchini 0:9fca2b23d0ba 31 }
marcozecchini 0:9fca2b23d0ba 32
marcozecchini 0:9fca2b23d0ba 33 void SPISlave::format(int bits, int mode) {
marcozecchini 0:9fca2b23d0ba 34 _bits = bits;
marcozecchini 0:9fca2b23d0ba 35 _mode = mode;
marcozecchini 0:9fca2b23d0ba 36 spi_format(&_spi, _bits, _mode, 1);
marcozecchini 0:9fca2b23d0ba 37 }
marcozecchini 0:9fca2b23d0ba 38
marcozecchini 0:9fca2b23d0ba 39 void SPISlave::frequency(int hz) {
marcozecchini 0:9fca2b23d0ba 40 _hz = hz;
marcozecchini 0:9fca2b23d0ba 41 spi_frequency(&_spi, _hz);
marcozecchini 0:9fca2b23d0ba 42 }
marcozecchini 0:9fca2b23d0ba 43
marcozecchini 0:9fca2b23d0ba 44 int SPISlave::receive(void) {
marcozecchini 0:9fca2b23d0ba 45 return(spi_slave_receive(&_spi));
marcozecchini 0:9fca2b23d0ba 46 }
marcozecchini 0:9fca2b23d0ba 47
marcozecchini 0:9fca2b23d0ba 48 int SPISlave::read(void) {
marcozecchini 0:9fca2b23d0ba 49 return(spi_slave_read(&_spi));
marcozecchini 0:9fca2b23d0ba 50 }
marcozecchini 0:9fca2b23d0ba 51
marcozecchini 0:9fca2b23d0ba 52 void SPISlave::reply(int value) {
marcozecchini 0:9fca2b23d0ba 53 spi_slave_write(&_spi, value);
marcozecchini 0:9fca2b23d0ba 54 }
marcozecchini 0:9fca2b23d0ba 55
marcozecchini 0:9fca2b23d0ba 56 } // namespace mbed
marcozecchini 0:9fca2b23d0ba 57
marcozecchini 0:9fca2b23d0ba 58 #endif