Yihui Xiong / mbed-src-nrf51822

customized mbed library sources for nrf51822

Dependents:   Grove_Node Potentiometer BLE_Beacon I2C_Scanner

common/SPISlave.cpp@0:700cadd8b708, 2014-11-04 (annotated)

Committer:
yihui
Date:
Tue Nov 04 07:38:53 2014 +0000
Revision:
0:700cadd8b708
customized mbed-src library for nrf51822

Who changed what in which revision?

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yihui 0:700cadd8b708 1 /* mbed Microcontroller Library
yihui 0:700cadd8b708 2 * Copyright (c) 2006-2013 ARM Limited
yihui 0:700cadd8b708 3 *
yihui 0:700cadd8b708 4 * Licensed under the Apache License, Version 2.0 (the "License");
yihui 0:700cadd8b708 5 * you may not use this file except in compliance with the License.
yihui 0:700cadd8b708 6 * You may obtain a copy of the License at
yihui 0:700cadd8b708 7 *
yihui 0:700cadd8b708 8 * http://www.apache.org/licenses/LICENSE-2.0
yihui 0:700cadd8b708 9 *
yihui 0:700cadd8b708 10 * Unless required by applicable law or agreed to in writing, software
yihui 0:700cadd8b708 11 * distributed under the License is distributed on an "AS IS" BASIS,
yihui 0:700cadd8b708 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
yihui 0:700cadd8b708 13 * See the License for the specific language governing permissions and
yihui 0:700cadd8b708 14 * limitations under the License.
yihui 0:700cadd8b708 15 */
yihui 0:700cadd8b708 16 #include "SPISlave.h"
yihui 0:700cadd8b708 17
yihui 0:700cadd8b708 18 #if DEVICE_SPISLAVE
yihui 0:700cadd8b708 19
yihui 0:700cadd8b708 20 namespace mbed {
yihui 0:700cadd8b708 21
yihui 0:700cadd8b708 22 SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) :
yihui 0:700cadd8b708 23 _spi(),
yihui 0:700cadd8b708 24 _bits(8),
yihui 0:700cadd8b708 25 _mode(0),
yihui 0:700cadd8b708 26 _hz(1000000)
yihui 0:700cadd8b708 27 {
yihui 0:700cadd8b708 28 spi_init(&_spi, mosi, miso, sclk, ssel);
yihui 0:700cadd8b708 29 spi_format(&_spi, _bits, _mode, 1);
yihui 0:700cadd8b708 30 spi_frequency(&_spi, _hz);
yihui 0:700cadd8b708 31 }
yihui 0:700cadd8b708 32
yihui 0:700cadd8b708 33 void SPISlave::format(int bits, int mode) {
yihui 0:700cadd8b708 34 _bits = bits;
yihui 0:700cadd8b708 35 _mode = mode;
yihui 0:700cadd8b708 36 spi_format(&_spi, _bits, _mode, 1);
yihui 0:700cadd8b708 37 }
yihui 0:700cadd8b708 38
yihui 0:700cadd8b708 39 void SPISlave::frequency(int hz) {
yihui 0:700cadd8b708 40 _hz = hz;
yihui 0:700cadd8b708 41 spi_frequency(&_spi, _hz);
yihui 0:700cadd8b708 42 }
yihui 0:700cadd8b708 43
yihui 0:700cadd8b708 44 int SPISlave::receive(void) {
yihui 0:700cadd8b708 45 return(spi_slave_receive(&_spi));
yihui 0:700cadd8b708 46 }
yihui 0:700cadd8b708 47
yihui 0:700cadd8b708 48 int SPISlave::read(void) {
yihui 0:700cadd8b708 49 return(spi_slave_read(&_spi));
yihui 0:700cadd8b708 50 }
yihui 0:700cadd8b708 51
yihui 0:700cadd8b708 52 void SPISlave::reply(int value) {
yihui 0:700cadd8b708 53 spi_slave_write(&_spi, value);
yihui 0:700cadd8b708 54 }
yihui 0:700cadd8b708 55
yihui 0:700cadd8b708 56 } // namespace mbed
yihui 0:700cadd8b708 57
yihui 0:700cadd8b708 58 #endif