Takaaki Numai / mbed-dev

inport from local

Dependents:   Hobbyking_Cheetah_0511

drivers/SPISlave.cpp@0:85b3fd62ea1a, 2020-03-16 (annotated)

Committer:
NYX
Date:
Mon Mar 16 06:35:48 2020 +0000
Revision:
0:85b3fd62ea1a
reinport to mbed;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
NYX 0:85b3fd62ea1a 1 /* mbed Microcontroller Library
NYX 0:85b3fd62ea1a 2 * Copyright (c) 2006-2013 ARM Limited
NYX 0:85b3fd62ea1a 3 *
NYX 0:85b3fd62ea1a 4 * Licensed under the Apache License, Version 2.0 (the "License");
NYX 0:85b3fd62ea1a 5 * you may not use this file except in compliance with the License.
NYX 0:85b3fd62ea1a 6 * You may obtain a copy of the License at
NYX 0:85b3fd62ea1a 7 *
NYX 0:85b3fd62ea1a 8 * http://www.apache.org/licenses/LICENSE-2.0
NYX 0:85b3fd62ea1a 9 *
NYX 0:85b3fd62ea1a 10 * Unless required by applicable law or agreed to in writing, software
NYX 0:85b3fd62ea1a 11 * distributed under the License is distributed on an "AS IS" BASIS,
NYX 0:85b3fd62ea1a 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
NYX 0:85b3fd62ea1a 13 * See the License for the specific language governing permissions and
NYX 0:85b3fd62ea1a 14 * limitations under the License.
NYX 0:85b3fd62ea1a 15 */
NYX 0:85b3fd62ea1a 16 #include "drivers/SPISlave.h"
NYX 0:85b3fd62ea1a 17
NYX 0:85b3fd62ea1a 18 #if DEVICE_SPISLAVE
NYX 0:85b3fd62ea1a 19
NYX 0:85b3fd62ea1a 20 namespace mbed {
NYX 0:85b3fd62ea1a 21
NYX 0:85b3fd62ea1a 22 SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) :
NYX 0:85b3fd62ea1a 23 _spi(),
NYX 0:85b3fd62ea1a 24 _bits(8),
NYX 0:85b3fd62ea1a 25 _mode(0),
NYX 0:85b3fd62ea1a 26 _hz(1000000)
NYX 0:85b3fd62ea1a 27 {
NYX 0:85b3fd62ea1a 28 spi_init(&_spi, mosi, miso, sclk, ssel);
NYX 0:85b3fd62ea1a 29 spi_format(&_spi, _bits, _mode, 1);
NYX 0:85b3fd62ea1a 30 spi_frequency(&_spi, _hz);
NYX 0:85b3fd62ea1a 31 }
NYX 0:85b3fd62ea1a 32
NYX 0:85b3fd62ea1a 33 void SPISlave::format(int bits, int mode) {
NYX 0:85b3fd62ea1a 34 _bits = bits;
NYX 0:85b3fd62ea1a 35 _mode = mode;
NYX 0:85b3fd62ea1a 36 spi_format(&_spi, _bits, _mode, 1);
NYX 0:85b3fd62ea1a 37 }
NYX 0:85b3fd62ea1a 38
NYX 0:85b3fd62ea1a 39 void SPISlave::frequency(int hz) {
NYX 0:85b3fd62ea1a 40 _hz = hz;
NYX 0:85b3fd62ea1a 41 spi_frequency(&_spi, _hz);
NYX 0:85b3fd62ea1a 42 }
NYX 0:85b3fd62ea1a 43
NYX 0:85b3fd62ea1a 44 int SPISlave::receive(void) {
NYX 0:85b3fd62ea1a 45 return(spi_slave_receive(&_spi));
NYX 0:85b3fd62ea1a 46 }
NYX 0:85b3fd62ea1a 47
NYX 0:85b3fd62ea1a 48 int SPISlave::read(void) {
NYX 0:85b3fd62ea1a 49 return(spi_slave_read(&_spi));
NYX 0:85b3fd62ea1a 50 }
NYX 0:85b3fd62ea1a 51
NYX 0:85b3fd62ea1a 52 void SPISlave::reply(int value) {
NYX 0:85b3fd62ea1a 53 spi_slave_write(&_spi, value);
NYX 0:85b3fd62ea1a 54 }
NYX 0:85b3fd62ea1a 55
NYX 0:85b3fd62ea1a 56 } // namespace mbed
NYX 0:85b3fd62ea1a 57
NYX 0:85b3fd62ea1a 58 #endif