song zhao / smartball_project_test_board

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Dependencies:   BLE_API nRF51822

Fork of BLE_NODE_TEST by Yihui Xiong

mbed-src/common/SPISlave.cpp@9:05f0b5a3a70a, 2014-10-29 (annotated)

Committer:
yihui
Date:
Wed Oct 29 06:23:47 2014 +0000
Revision:
9:05f0b5a3a70a
initial

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yihui 9:05f0b5a3a70a 1 /* mbed Microcontroller Library
yihui 9:05f0b5a3a70a 2 * Copyright (c) 2006-2013 ARM Limited
yihui 9:05f0b5a3a70a 3 *
yihui 9:05f0b5a3a70a 4 * Licensed under the Apache License, Version 2.0 (the "License");
yihui 9:05f0b5a3a70a 5 * you may not use this file except in compliance with the License.
yihui 9:05f0b5a3a70a 6 * You may obtain a copy of the License at
yihui 9:05f0b5a3a70a 7 *
yihui 9:05f0b5a3a70a 8 * http://www.apache.org/licenses/LICENSE-2.0
yihui 9:05f0b5a3a70a 9 *
yihui 9:05f0b5a3a70a 10 * Unless required by applicable law or agreed to in writing, software
yihui 9:05f0b5a3a70a 11 * distributed under the License is distributed on an "AS IS" BASIS,
yihui 9:05f0b5a3a70a 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
yihui 9:05f0b5a3a70a 13 * See the License for the specific language governing permissions and
yihui 9:05f0b5a3a70a 14 * limitations under the License.
yihui 9:05f0b5a3a70a 15 */
yihui 9:05f0b5a3a70a 16 #include "SPISlave.h"
yihui 9:05f0b5a3a70a 17
yihui 9:05f0b5a3a70a 18 #if DEVICE_SPISLAVE
yihui 9:05f0b5a3a70a 19
yihui 9:05f0b5a3a70a 20 namespace mbed {
yihui 9:05f0b5a3a70a 21
yihui 9:05f0b5a3a70a 22 SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) :
yihui 9:05f0b5a3a70a 23 _spi(),
yihui 9:05f0b5a3a70a 24 _bits(8),
yihui 9:05f0b5a3a70a 25 _mode(0),
yihui 9:05f0b5a3a70a 26 _hz(1000000)
yihui 9:05f0b5a3a70a 27 {
yihui 9:05f0b5a3a70a 28 spi_init(&_spi, mosi, miso, sclk, ssel);
yihui 9:05f0b5a3a70a 29 spi_format(&_spi, _bits, _mode, 1);
yihui 9:05f0b5a3a70a 30 spi_frequency(&_spi, _hz);
yihui 9:05f0b5a3a70a 31 }
yihui 9:05f0b5a3a70a 32
yihui 9:05f0b5a3a70a 33 void SPISlave::format(int bits, int mode) {
yihui 9:05f0b5a3a70a 34 _bits = bits;
yihui 9:05f0b5a3a70a 35 _mode = mode;
yihui 9:05f0b5a3a70a 36 spi_format(&_spi, _bits, _mode, 1);
yihui 9:05f0b5a3a70a 37 }
yihui 9:05f0b5a3a70a 38
yihui 9:05f0b5a3a70a 39 void SPISlave::frequency(int hz) {
yihui 9:05f0b5a3a70a 40 _hz = hz;
yihui 9:05f0b5a3a70a 41 spi_frequency(&_spi, _hz);
yihui 9:05f0b5a3a70a 42 }
yihui 9:05f0b5a3a70a 43
yihui 9:05f0b5a3a70a 44 int SPISlave::receive(void) {
yihui 9:05f0b5a3a70a 45 return(spi_slave_receive(&_spi));
yihui 9:05f0b5a3a70a 46 }
yihui 9:05f0b5a3a70a 47
yihui 9:05f0b5a3a70a 48 int SPISlave::read(void) {
yihui 9:05f0b5a3a70a 49 return(spi_slave_read(&_spi));
yihui 9:05f0b5a3a70a 50 }
yihui 9:05f0b5a3a70a 51
yihui 9:05f0b5a3a70a 52 void SPISlave::reply(int value) {
yihui 9:05f0b5a3a70a 53 spi_slave_write(&_spi, value);
yihui 9:05f0b5a3a70a 54 }
yihui 9:05f0b5a3a70a 55
yihui 9:05f0b5a3a70a 56 } // namespace mbed
yihui 9:05f0b5a3a70a 57
yihui 9:05f0b5a3a70a 58 #endif