Christopher Haster / mbed-hal

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Dependencies:   target-freescale

Fork of mbed-hal by Morpheus

common/SPISlave.cpp@0:9c59db1fbc9e, 2016-03-23 (annotated)

Committer:
screamer
Date:
Wed Mar 23 21:36:09 2016 +0000
Revision:
0:9c59db1fbc9e
Initial revision

Who changed what in which revision?

UserRevisionLine numberNew contents of line
screamer 0:9c59db1fbc9e 1 /* mbed Microcontroller Library
screamer 0:9c59db1fbc9e 2 * Copyright (c) 2006-2013 ARM Limited
screamer 0:9c59db1fbc9e 3 *
screamer 0:9c59db1fbc9e 4 * Licensed under the Apache License, Version 2.0 (the "License");
screamer 0:9c59db1fbc9e 5 * you may not use this file except in compliance with the License.
screamer 0:9c59db1fbc9e 6 * You may obtain a copy of the License at
screamer 0:9c59db1fbc9e 7 *
screamer 0:9c59db1fbc9e 8 * http://www.apache.org/licenses/LICENSE-2.0
screamer 0:9c59db1fbc9e 9 *
screamer 0:9c59db1fbc9e 10 * Unless required by applicable law or agreed to in writing, software
screamer 0:9c59db1fbc9e 11 * distributed under the License is distributed on an "AS IS" BASIS,
screamer 0:9c59db1fbc9e 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
screamer 0:9c59db1fbc9e 13 * See the License for the specific language governing permissions and
screamer 0:9c59db1fbc9e 14 * limitations under the License.
screamer 0:9c59db1fbc9e 15 */
screamer 0:9c59db1fbc9e 16 #include "SPISlave.h"
screamer 0:9c59db1fbc9e 17
screamer 0:9c59db1fbc9e 18 #if DEVICE_SPISLAVE
screamer 0:9c59db1fbc9e 19
screamer 0:9c59db1fbc9e 20 namespace mbed {
screamer 0:9c59db1fbc9e 21
screamer 0:9c59db1fbc9e 22 SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) :
screamer 0:9c59db1fbc9e 23 _spi(),
screamer 0:9c59db1fbc9e 24 _bits(8),
screamer 0:9c59db1fbc9e 25 _mode(0),
screamer 0:9c59db1fbc9e 26 _hz(1000000)
screamer 0:9c59db1fbc9e 27 {
screamer 0:9c59db1fbc9e 28 spi_init(&_spi, mosi, miso, sclk, ssel);
screamer 0:9c59db1fbc9e 29 spi_format(&_spi, _bits, _mode, 1);
screamer 0:9c59db1fbc9e 30 spi_frequency(&_spi, _hz);
screamer 0:9c59db1fbc9e 31 }
screamer 0:9c59db1fbc9e 32
screamer 0:9c59db1fbc9e 33 void SPISlave::format(int bits, int mode) {
screamer 0:9c59db1fbc9e 34 _bits = bits;
screamer 0:9c59db1fbc9e 35 _mode = mode;
screamer 0:9c59db1fbc9e 36 spi_format(&_spi, _bits, _mode, 1);
screamer 0:9c59db1fbc9e 37 }
screamer 0:9c59db1fbc9e 38
screamer 0:9c59db1fbc9e 39 void SPISlave::frequency(int hz) {
screamer 0:9c59db1fbc9e 40 _hz = hz;
screamer 0:9c59db1fbc9e 41 spi_frequency(&_spi, _hz);
screamer 0:9c59db1fbc9e 42 }
screamer 0:9c59db1fbc9e 43
screamer 0:9c59db1fbc9e 44 int SPISlave::receive(void) {
screamer 0:9c59db1fbc9e 45 return(spi_slave_receive(&_spi));
screamer 0:9c59db1fbc9e 46 }
screamer 0:9c59db1fbc9e 47
screamer 0:9c59db1fbc9e 48 int SPISlave::read(void) {
screamer 0:9c59db1fbc9e 49 return(spi_slave_read(&_spi));
screamer 0:9c59db1fbc9e 50 }
screamer 0:9c59db1fbc9e 51
screamer 0:9c59db1fbc9e 52 void SPISlave::reply(int value) {
screamer 0:9c59db1fbc9e 53 spi_slave_write(&_spi, value);
screamer 0:9c59db1fbc9e 54 }
screamer 0:9c59db1fbc9e 55
screamer 0:9c59db1fbc9e 56 } // namespace mbed
screamer 0:9c59db1fbc9e 57
screamer 0:9c59db1fbc9e 58 #endif
screamer 0:9c59db1fbc9e 59