Denislam Valeev / Mbed OS Nucleo_rtos_basic

1

mbed-os/drivers/SPISlave.cpp@0:e056ac8fecf8, 2018-03-13 (annotated)

Committer:
valeyev
Date:
Tue Mar 13 07:17:50 2018 +0000
Revision:
0:e056ac8fecf8
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valeyev 0:e056ac8fecf8 1 /* mbed Microcontroller Library
valeyev 0:e056ac8fecf8 2 * Copyright (c) 2006-2013 ARM Limited
valeyev 0:e056ac8fecf8 3 *
valeyev 0:e056ac8fecf8 4 * Licensed under the Apache License, Version 2.0 (the "License");
valeyev 0:e056ac8fecf8 5 * you may not use this file except in compliance with the License.
valeyev 0:e056ac8fecf8 6 * You may obtain a copy of the License at
valeyev 0:e056ac8fecf8 7 *
valeyev 0:e056ac8fecf8 8 * http://www.apache.org/licenses/LICENSE-2.0
valeyev 0:e056ac8fecf8 9 *
valeyev 0:e056ac8fecf8 10 * Unless required by applicable law or agreed to in writing, software
valeyev 0:e056ac8fecf8 11 * distributed under the License is distributed on an "AS IS" BASIS,
valeyev 0:e056ac8fecf8 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
valeyev 0:e056ac8fecf8 13 * See the License for the specific language governing permissions and
valeyev 0:e056ac8fecf8 14 * limitations under the License.
valeyev 0:e056ac8fecf8 15 */
valeyev 0:e056ac8fecf8 16 #include "drivers/SPISlave.h"
valeyev 0:e056ac8fecf8 17
valeyev 0:e056ac8fecf8 18 #if DEVICE_SPISLAVE
valeyev 0:e056ac8fecf8 19
valeyev 0:e056ac8fecf8 20 namespace mbed {
valeyev 0:e056ac8fecf8 21
valeyev 0:e056ac8fecf8 22 SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) :
valeyev 0:e056ac8fecf8 23 _spi(),
valeyev 0:e056ac8fecf8 24 _bits(8),
valeyev 0:e056ac8fecf8 25 _mode(0),
valeyev 0:e056ac8fecf8 26 _hz(1000000)
valeyev 0:e056ac8fecf8 27 {
valeyev 0:e056ac8fecf8 28 spi_init(&_spi, mosi, miso, sclk, ssel);
valeyev 0:e056ac8fecf8 29 spi_format(&_spi, _bits, _mode, 1);
valeyev 0:e056ac8fecf8 30 spi_frequency(&_spi, _hz);
valeyev 0:e056ac8fecf8 31 }
valeyev 0:e056ac8fecf8 32
valeyev 0:e056ac8fecf8 33 void SPISlave::format(int bits, int mode) {
valeyev 0:e056ac8fecf8 34 _bits = bits;
valeyev 0:e056ac8fecf8 35 _mode = mode;
valeyev 0:e056ac8fecf8 36 spi_format(&_spi, _bits, _mode, 1);
valeyev 0:e056ac8fecf8 37 }
valeyev 0:e056ac8fecf8 38
valeyev 0:e056ac8fecf8 39 void SPISlave::frequency(int hz) {
valeyev 0:e056ac8fecf8 40 _hz = hz;
valeyev 0:e056ac8fecf8 41 spi_frequency(&_spi, _hz);
valeyev 0:e056ac8fecf8 42 }
valeyev 0:e056ac8fecf8 43
valeyev 0:e056ac8fecf8 44 int SPISlave::receive(void) {
valeyev 0:e056ac8fecf8 45 return(spi_slave_receive(&_spi));
valeyev 0:e056ac8fecf8 46 }
valeyev 0:e056ac8fecf8 47
valeyev 0:e056ac8fecf8 48 int SPISlave::read(void) {
valeyev 0:e056ac8fecf8 49 return(spi_slave_read(&_spi));
valeyev 0:e056ac8fecf8 50 }
valeyev 0:e056ac8fecf8 51
valeyev 0:e056ac8fecf8 52 void SPISlave::reply(int value) {
valeyev 0:e056ac8fecf8 53 spi_slave_write(&_spi, value);
valeyev 0:e056ac8fecf8 54 }
valeyev 0:e056ac8fecf8 55
valeyev 0:e056ac8fecf8 56 } // namespace mbed
valeyev 0:e056ac8fecf8 57
valeyev 0:e056ac8fecf8 58 #endif