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Fork of OmniWheels by Gustav Atmel

mbed-os/drivers/SPISlave.cpp@2:798925c9e4a8, 2018-05-01 (annotated)

Committer:
gustavatmel
Date:
Tue May 01 15:55:34 2018 +0000
Revision:
2:798925c9e4a8
Parent:
1:9c5af431a1f1 
bluetooth

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gustavatmel 1:9c5af431a1f1 1 /* mbed Microcontroller Library
gustavatmel 1:9c5af431a1f1 2 * Copyright (c) 2006-2013 ARM Limited
gustavatmel 1:9c5af431a1f1 3 *
gustavatmel 1:9c5af431a1f1 4 * Licensed under the Apache License, Version 2.0 (the "License");
gustavatmel 1:9c5af431a1f1 5 * you may not use this file except in compliance with the License.
gustavatmel 1:9c5af431a1f1 6 * You may obtain a copy of the License at
gustavatmel 1:9c5af431a1f1 7 *
gustavatmel 1:9c5af431a1f1 8 * http://www.apache.org/licenses/LICENSE-2.0
gustavatmel 1:9c5af431a1f1 9 *
gustavatmel 1:9c5af431a1f1 10 * Unless required by applicable law or agreed to in writing, software
gustavatmel 1:9c5af431a1f1 11 * distributed under the License is distributed on an "AS IS" BASIS,
gustavatmel 1:9c5af431a1f1 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
gustavatmel 1:9c5af431a1f1 13 * See the License for the specific language governing permissions and
gustavatmel 1:9c5af431a1f1 14 * limitations under the License.
gustavatmel 1:9c5af431a1f1 15 */
gustavatmel 1:9c5af431a1f1 16 #include "drivers/SPISlave.h"
gustavatmel 1:9c5af431a1f1 17
gustavatmel 1:9c5af431a1f1 18 #if DEVICE_SPISLAVE
gustavatmel 1:9c5af431a1f1 19
gustavatmel 1:9c5af431a1f1 20 namespace mbed {
gustavatmel 1:9c5af431a1f1 21
gustavatmel 1:9c5af431a1f1 22 SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) :
gustavatmel 1:9c5af431a1f1 23 _spi(),
gustavatmel 1:9c5af431a1f1 24 _bits(8),
gustavatmel 1:9c5af431a1f1 25 _mode(0),
gustavatmel 1:9c5af431a1f1 26 _hz(1000000)
gustavatmel 1:9c5af431a1f1 27 {
gustavatmel 1:9c5af431a1f1 28 spi_init(&_spi, mosi, miso, sclk, ssel);
gustavatmel 1:9c5af431a1f1 29 spi_format(&_spi, _bits, _mode, 1);
gustavatmel 1:9c5af431a1f1 30 spi_frequency(&_spi, _hz);
gustavatmel 1:9c5af431a1f1 31 }
gustavatmel 1:9c5af431a1f1 32
gustavatmel 1:9c5af431a1f1 33 void SPISlave::format(int bits, int mode) {
gustavatmel 1:9c5af431a1f1 34 _bits = bits;
gustavatmel 1:9c5af431a1f1 35 _mode = mode;
gustavatmel 1:9c5af431a1f1 36 spi_format(&_spi, _bits, _mode, 1);
gustavatmel 1:9c5af431a1f1 37 }
gustavatmel 1:9c5af431a1f1 38
gustavatmel 1:9c5af431a1f1 39 void SPISlave::frequency(int hz) {
gustavatmel 1:9c5af431a1f1 40 _hz = hz;
gustavatmel 1:9c5af431a1f1 41 spi_frequency(&_spi, _hz);
gustavatmel 1:9c5af431a1f1 42 }
gustavatmel 1:9c5af431a1f1 43
gustavatmel 1:9c5af431a1f1 44 int SPISlave::receive(void) {
gustavatmel 1:9c5af431a1f1 45 return(spi_slave_receive(&_spi));
gustavatmel 1:9c5af431a1f1 46 }
gustavatmel 1:9c5af431a1f1 47
gustavatmel 1:9c5af431a1f1 48 int SPISlave::read(void) {
gustavatmel 1:9c5af431a1f1 49 return(spi_slave_read(&_spi));
gustavatmel 1:9c5af431a1f1 50 }
gustavatmel 1:9c5af431a1f1 51
gustavatmel 1:9c5af431a1f1 52 void SPISlave::reply(int value) {
gustavatmel 1:9c5af431a1f1 53 spi_slave_write(&_spi, value);
gustavatmel 1:9c5af431a1f1 54 }
gustavatmel 1:9c5af431a1f1 55
gustavatmel 1:9c5af431a1f1 56 } // namespace mbed
gustavatmel 1:9c5af431a1f1 57
gustavatmel 1:9c5af431a1f1 58 #endif