Lancaster University / mbed-src

Lancaster University's (short term!) clone of mbed-src for micro:bit. This is a copy of the github branch https://github.com/lancaster-university/mbed-classic

Fork of mbed-src by mbed official

common/SPISlave.cpp@9:0ce32e54c9a7, 2013-06-10 (annotated)

Committer:
emilmont
Date:
Mon Jun 10 16:03:00 2013 +0100
Revision:
9:0ce32e54c9a7
Parent:
cpp/SPISlave.cpp@2:143cac498751
Child:
10:3bc89ef62ce7
Refactoring of the mbed SDK:

- Provide a well defined HAL and API

- Keep separated the HAL implementations for the different targets

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:fd0d7bdfcdc2 1 /* mbed Microcontroller Library
emilmont 2:143cac498751 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 0:fd0d7bdfcdc2 3 *
emilmont 2:143cac498751 4 * Licensed under the Apache License, Version 2.0 (the "License");
emilmont 2:143cac498751 5 * you may not use this file except in compliance with the License.
emilmont 2:143cac498751 6 * You may obtain a copy of the License at
mbed_official 0:fd0d7bdfcdc2 7 *
emilmont 2:143cac498751 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 0:fd0d7bdfcdc2 9 *
emilmont 2:143cac498751 10 * Unless required by applicable law or agreed to in writing, software
emilmont 2:143cac498751 11 * distributed under the License is distributed on an "AS IS" BASIS,
emilmont 2:143cac498751 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
emilmont 2:143cac498751 13 * See the License for the specific language governing permissions and
emilmont 2:143cac498751 14 * limitations under the License.
mbed_official 0:fd0d7bdfcdc2 15 */
mbed_official 0:fd0d7bdfcdc2 16 #include "SPISlave.h"
mbed_official 0:fd0d7bdfcdc2 17
mbed_official 0:fd0d7bdfcdc2 18 #if DEVICE_SPISLAVE
mbed_official 0:fd0d7bdfcdc2 19
mbed_official 0:fd0d7bdfcdc2 20 namespace mbed {
mbed_official 0:fd0d7bdfcdc2 21
mbed_official 0:fd0d7bdfcdc2 22 SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) {
mbed_official 0:fd0d7bdfcdc2 23 spi_init(&_spi, mosi, miso, sclk, ssel);
mbed_official 0:fd0d7bdfcdc2 24 _bits = 8;
mbed_official 0:fd0d7bdfcdc2 25 _mode = 0;
mbed_official 0:fd0d7bdfcdc2 26 _hz = 1000000;
mbed_official 0:fd0d7bdfcdc2 27 spi_format(&_spi, _bits, _mode, 1);
mbed_official 0:fd0d7bdfcdc2 28 spi_frequency(&_spi, _hz);
mbed_official 0:fd0d7bdfcdc2 29 }
mbed_official 0:fd0d7bdfcdc2 30
mbed_official 0:fd0d7bdfcdc2 31 void SPISlave::format(int bits, int mode) {
mbed_official 0:fd0d7bdfcdc2 32 _bits = bits;
mbed_official 0:fd0d7bdfcdc2 33 _mode = mode;
mbed_official 0:fd0d7bdfcdc2 34 spi_format(&_spi, _bits, _mode, 1);
mbed_official 0:fd0d7bdfcdc2 35 }
mbed_official 0:fd0d7bdfcdc2 36
mbed_official 0:fd0d7bdfcdc2 37 void SPISlave::frequency(int hz) {
mbed_official 0:fd0d7bdfcdc2 38 _hz = hz;
mbed_official 0:fd0d7bdfcdc2 39 spi_frequency(&_spi, _hz);
mbed_official 0:fd0d7bdfcdc2 40 }
mbed_official 0:fd0d7bdfcdc2 41
mbed_official 0:fd0d7bdfcdc2 42 int SPISlave::receive(void) {
mbed_official 0:fd0d7bdfcdc2 43 return(spi_slave_receive(&_spi));
mbed_official 0:fd0d7bdfcdc2 44 }
mbed_official 0:fd0d7bdfcdc2 45
mbed_official 0:fd0d7bdfcdc2 46 int SPISlave::read(void) {
mbed_official 0:fd0d7bdfcdc2 47 return(spi_slave_read(&_spi));
mbed_official 0:fd0d7bdfcdc2 48 }
mbed_official 0:fd0d7bdfcdc2 49
mbed_official 0:fd0d7bdfcdc2 50 void SPISlave::reply(int value) {
mbed_official 0:fd0d7bdfcdc2 51 spi_slave_write(&_spi, value);
mbed_official 0:fd0d7bdfcdc2 52 }
mbed_official 0:fd0d7bdfcdc2 53
mbed_official 0:fd0d7bdfcdc2 54 } // namespace mbed
mbed_official 0:fd0d7bdfcdc2 55
mbed_official 0:fd0d7bdfcdc2 56 #endif