Mateusz Kowalik / Application

USB Serial application

Fork of USBSerial_HelloWorld by Samuel Mokrani

mbed-dev/drivers/SPISlave.cpp@11:b3f2a8bdac4d, 2017-12-16 (annotated)

Committer:
Zaitsev
Date:
Sat Dec 16 10:26:48 2017 +0000
Revision:
11:b3f2a8bdac4d
Parent:
10:41552d038a69 
A copy for D.S;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Zaitsev 10:41552d038a69 1 /* mbed Microcontroller Library
Zaitsev 10:41552d038a69 2 * Copyright (c) 2006-2013 ARM Limited
Zaitsev 10:41552d038a69 3 *
Zaitsev 10:41552d038a69 4 * Licensed under the Apache License, Version 2.0 (the "License");
Zaitsev 10:41552d038a69 5 * you may not use this file except in compliance with the License.
Zaitsev 10:41552d038a69 6 * You may obtain a copy of the License at
Zaitsev 10:41552d038a69 7 *
Zaitsev 10:41552d038a69 8 * http://www.apache.org/licenses/LICENSE-2.0
Zaitsev 10:41552d038a69 9 *
Zaitsev 10:41552d038a69 10 * Unless required by applicable law or agreed to in writing, software
Zaitsev 10:41552d038a69 11 * distributed under the License is distributed on an "AS IS" BASIS,
Zaitsev 10:41552d038a69 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Zaitsev 10:41552d038a69 13 * See the License for the specific language governing permissions and
Zaitsev 10:41552d038a69 14 * limitations under the License.
Zaitsev 10:41552d038a69 15 */
Zaitsev 10:41552d038a69 16 #include "drivers/SPISlave.h"
Zaitsev 10:41552d038a69 17
Zaitsev 10:41552d038a69 18 #if DEVICE_SPISLAVE
Zaitsev 10:41552d038a69 19
Zaitsev 10:41552d038a69 20 namespace mbed {
Zaitsev 10:41552d038a69 21
Zaitsev 10:41552d038a69 22 SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) :
Zaitsev 10:41552d038a69 23 _spi(),
Zaitsev 10:41552d038a69 24 _bits(8),
Zaitsev 10:41552d038a69 25 _mode(0),
Zaitsev 10:41552d038a69 26 _hz(1000000)
Zaitsev 10:41552d038a69 27 {
Zaitsev 10:41552d038a69 28 spi_init(&_spi, mosi, miso, sclk, ssel);
Zaitsev 10:41552d038a69 29 spi_format(&_spi, _bits, _mode, 1);
Zaitsev 10:41552d038a69 30 spi_frequency(&_spi, _hz);
Zaitsev 10:41552d038a69 31 }
Zaitsev 10:41552d038a69 32
Zaitsev 10:41552d038a69 33 void SPISlave::format(int bits, int mode) {
Zaitsev 10:41552d038a69 34 _bits = bits;
Zaitsev 10:41552d038a69 35 _mode = mode;
Zaitsev 10:41552d038a69 36 spi_format(&_spi, _bits, _mode, 1);
Zaitsev 10:41552d038a69 37 }
Zaitsev 10:41552d038a69 38
Zaitsev 10:41552d038a69 39 void SPISlave::frequency(int hz) {
Zaitsev 10:41552d038a69 40 _hz = hz;
Zaitsev 10:41552d038a69 41 spi_frequency(&_spi, _hz);
Zaitsev 10:41552d038a69 42 }
Zaitsev 10:41552d038a69 43
Zaitsev 10:41552d038a69 44 int SPISlave::receive(void) {
Zaitsev 10:41552d038a69 45 return(spi_slave_receive(&_spi));
Zaitsev 10:41552d038a69 46 }
Zaitsev 10:41552d038a69 47
Zaitsev 10:41552d038a69 48 int SPISlave::read(void) {
Zaitsev 10:41552d038a69 49 return(spi_slave_read(&_spi));
Zaitsev 10:41552d038a69 50 }
Zaitsev 10:41552d038a69 51
Zaitsev 10:41552d038a69 52 void SPISlave::reply(int value) {
Zaitsev 10:41552d038a69 53 spi_slave_write(&_spi, value);
Zaitsev 10:41552d038a69 54 }
Zaitsev 10:41552d038a69 55
Zaitsev 10:41552d038a69 56 } // namespace mbed
Zaitsev 10:41552d038a69 57
Zaitsev 10:41552d038a69 58 #endif