Helmut Tschemernjak / mbed-dev

mbed library sources. Supersedes mbed-src.

Fork of mbed-dev by mbed official

drivers/SPISlave.cpp@163:884dfee3189d, 2017-04-19 (annotated)

Committer:
Helmut64
Date:
Wed Apr 19 14:59:20 2017 +0000
Revision:
163:884dfee3189d
Parent:
149:156823d33999 
Added STM32L433xx support, which should supersede 432 support.

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)
<> 149:156823d33999 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
<> 149:156823d33999 33 void SPISlave::format(int bits, int mode) {
<> 149:156823d33999 34 _bits = bits;
<> 149:156823d33999 35 _mode = mode;
<> 149:156823d33999 36 spi_format(&_spi, _bits, _mode, 1);
<> 149:156823d33999 37 }
<> 149:156823d33999 38
<> 149:156823d33999 39 void SPISlave::frequency(int hz) {
<> 149:156823d33999 40 _hz = hz;
<> 149:156823d33999 41 spi_frequency(&_spi, _hz);
<> 149:156823d33999 42 }
<> 149:156823d33999 43
<> 149:156823d33999 44 int SPISlave::receive(void) {
<> 149:156823d33999 45 return(spi_slave_receive(&_spi));
<> 149:156823d33999 46 }
<> 149:156823d33999 47
<> 149:156823d33999 48 int SPISlave::read(void) {
<> 149:156823d33999 49 return(spi_slave_read(&_spi));
<> 149:156823d33999 50 }
<> 149:156823d33999 51
<> 149:156823d33999 52 void SPISlave::reply(int value) {
<> 149:156823d33999 53 spi_slave_write(&_spi, value);
<> 149:156823d33999 54 }
<> 149:156823d33999 55
<> 149:156823d33999 56 } // namespace mbed
<> 149:156823d33999 57
<> 149:156823d33999 58 #endif