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mbed library sources

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common/SPISlave.cpp@134:06c344ebdfe8, 2014-03-27 (annotated)

Committer:
koiamk
Date:
Thu Mar 27 22:43:30 2014 +0000
Revision:
134:06c344ebdfe8
Parent:
13:0645d8841f51 
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bogdanm 13:0645d8841f51 1 /* mbed Microcontroller Library
bogdanm 13:0645d8841f51 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 13:0645d8841f51 3 *
bogdanm 13:0645d8841f51 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 13:0645d8841f51 5 * you may not use this file except in compliance with the License.
bogdanm 13:0645d8841f51 6 * You may obtain a copy of the License at
bogdanm 13:0645d8841f51 7 *
bogdanm 13:0645d8841f51 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 13:0645d8841f51 9 *
bogdanm 13:0645d8841f51 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 13:0645d8841f51 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 13:0645d8841f51 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 13:0645d8841f51 13 * See the License for the specific language governing permissions and
bogdanm 13:0645d8841f51 14 * limitations under the License.
bogdanm 13:0645d8841f51 15 */
bogdanm 13:0645d8841f51 16 #include "SPISlave.h"
bogdanm 13:0645d8841f51 17
bogdanm 13:0645d8841f51 18 #if DEVICE_SPISLAVE
bogdanm 13:0645d8841f51 19
bogdanm 13:0645d8841f51 20 namespace mbed {
bogdanm 13:0645d8841f51 21
bogdanm 13:0645d8841f51 22 SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) {
bogdanm 13:0645d8841f51 23 spi_init(&_spi, mosi, miso, sclk, ssel);
bogdanm 13:0645d8841f51 24 _bits = 8;
bogdanm 13:0645d8841f51 25 _mode = 0;
bogdanm 13:0645d8841f51 26 _hz = 1000000;
bogdanm 13:0645d8841f51 27 spi_format(&_spi, _bits, _mode, 1);
bogdanm 13:0645d8841f51 28 spi_frequency(&_spi, _hz);
bogdanm 13:0645d8841f51 29 }
bogdanm 13:0645d8841f51 30
bogdanm 13:0645d8841f51 31 void SPISlave::format(int bits, int mode) {
bogdanm 13:0645d8841f51 32 _bits = bits;
bogdanm 13:0645d8841f51 33 _mode = mode;
bogdanm 13:0645d8841f51 34 spi_format(&_spi, _bits, _mode, 1);
bogdanm 13:0645d8841f51 35 }
bogdanm 13:0645d8841f51 36
bogdanm 13:0645d8841f51 37 void SPISlave::frequency(int hz) {
bogdanm 13:0645d8841f51 38 _hz = hz;
bogdanm 13:0645d8841f51 39 spi_frequency(&_spi, _hz);
bogdanm 13:0645d8841f51 40 }
bogdanm 13:0645d8841f51 41
bogdanm 13:0645d8841f51 42 int SPISlave::receive(void) {
bogdanm 13:0645d8841f51 43 return(spi_slave_receive(&_spi));
bogdanm 13:0645d8841f51 44 }
bogdanm 13:0645d8841f51 45
bogdanm 13:0645d8841f51 46 int SPISlave::read(void) {
bogdanm 13:0645d8841f51 47 return(spi_slave_read(&_spi));
bogdanm 13:0645d8841f51 48 }
bogdanm 13:0645d8841f51 49
bogdanm 13:0645d8841f51 50 void SPISlave::reply(int value) {
bogdanm 13:0645d8841f51 51 spi_slave_write(&_spi, value);
bogdanm 13:0645d8841f51 52 }
bogdanm 13:0645d8841f51 53
bogdanm 13:0645d8841f51 54 } // namespace mbed
bogdanm 13:0645d8841f51 55
bogdanm 13:0645d8841f51 56 #endif