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drivers/SPISlave.cpp@187:0387e8f68319, 2018-09-06 (annotated)

Committer:
AnnaBridge
Date:
Thu Sep 06 13:40:20 2018 +0100
Revision:
187:0387e8f68319
Parent:
149:156823d33999
Child:
189:f392fc9709a3
mbed-dev library. Release version 163

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 149:156823d33999 1 /* mbed Microcontroller Library
<> 149:156823d33999 2 * Copyright (c) 2006-2013 ARM Limited
<> 149:156823d33999 3 *
<> 149:156823d33999 4 * Licensed under the Apache License, Version 2.0 (the "License");
<> 149:156823d33999 5 * you may not use this file except in compliance with the License.
<> 149:156823d33999 6 * You may obtain a copy of the License at
<> 149:156823d33999 7 *
<> 149:156823d33999 8 * http://www.apache.org/licenses/LICENSE-2.0
<> 149:156823d33999 9 *
<> 149:156823d33999 10 * Unless required by applicable law or agreed to in writing, software
<> 149:156823d33999 11 * distributed under the License is distributed on an "AS IS" BASIS,
<> 149:156823d33999 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 149:156823d33999 13 * See the License for the specific language governing permissions and
<> 149:156823d33999 14 * limitations under the License.
<> 149:156823d33999 15 */
<> 149:156823d33999 16 #include "drivers/SPISlave.h"
<> 149:156823d33999 17
<> 149:156823d33999 18 #if DEVICE_SPISLAVE
<> 149:156823d33999 19
<> 149:156823d33999 20 namespace mbed {
<> 149:156823d33999 21
<> 149:156823d33999 22 SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) :
<> 149:156823d33999 23 _spi(),
<> 149:156823d33999 24 _bits(8),
<> 149:156823d33999 25 _mode(0),
<> 149:156823d33999 26 _hz(1000000)
AnnaBridge 187:0387e8f68319 27 {
<> 149:156823d33999 28 spi_init(&_spi, mosi, miso, sclk, ssel);
<> 149:156823d33999 29 spi_format(&_spi, _bits, _mode, 1);
<> 149:156823d33999 30 spi_frequency(&_spi, _hz);
<> 149:156823d33999 31 }
<> 149:156823d33999 32
AnnaBridge 187:0387e8f68319 33 void SPISlave::format(int bits, int mode)
AnnaBridge 187:0387e8f68319 34 {
<> 149:156823d33999 35 _bits = bits;
<> 149:156823d33999 36 _mode = mode;
<> 149:156823d33999 37 spi_format(&_spi, _bits, _mode, 1);
<> 149:156823d33999 38 }
<> 149:156823d33999 39
AnnaBridge 187:0387e8f68319 40 void SPISlave::frequency(int hz)
AnnaBridge 187:0387e8f68319 41 {
<> 149:156823d33999 42 _hz = hz;
<> 149:156823d33999 43 spi_frequency(&_spi, _hz);
<> 149:156823d33999 44 }
<> 149:156823d33999 45
AnnaBridge 187:0387e8f68319 46 int SPISlave::receive(void)
AnnaBridge 187:0387e8f68319 47 {
AnnaBridge 187:0387e8f68319 48 return (spi_slave_receive(&_spi));
<> 149:156823d33999 49 }
<> 149:156823d33999 50
AnnaBridge 187:0387e8f68319 51 int SPISlave::read(void)
AnnaBridge 187:0387e8f68319 52 {
AnnaBridge 187:0387e8f68319 53 return (spi_slave_read(&_spi));
<> 149:156823d33999 54 }
<> 149:156823d33999 55
AnnaBridge 187:0387e8f68319 56 void SPISlave::reply(int value)
AnnaBridge 187:0387e8f68319 57 {
<> 149:156823d33999 58 spi_slave_write(&_spi, value);
<> 149:156823d33999 59 }
<> 149:156823d33999 60
<> 149:156823d33999 61 } // namespace mbed
<> 149:156823d33999 62
<> 149:156823d33999 63 #endif