Daniel Vizcaya / Mbed OS 04_RTOS_Embebidos

Entrega 3er corte - sistemas embebidos

mbed-os/drivers/SPISlave.cpp@0:6ad07c9019fd, 2018-05-30 (annotated)

Committer:
Bethory
Date:
Wed May 30 00:01:50 2018 +0000
Revision:
0:6ad07c9019fd
Codigo de tales para todos los pasculaes

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Bethory 0:6ad07c9019fd 1 /* mbed Microcontroller Library
Bethory 0:6ad07c9019fd 2 * Copyright (c) 2006-2013 ARM Limited
Bethory 0:6ad07c9019fd 3 *
Bethory 0:6ad07c9019fd 4 * Licensed under the Apache License, Version 2.0 (the "License");
Bethory 0:6ad07c9019fd 5 * you may not use this file except in compliance with the License.
Bethory 0:6ad07c9019fd 6 * You may obtain a copy of the License at
Bethory 0:6ad07c9019fd 7 *
Bethory 0:6ad07c9019fd 8 * http://www.apache.org/licenses/LICENSE-2.0
Bethory 0:6ad07c9019fd 9 *
Bethory 0:6ad07c9019fd 10 * Unless required by applicable law or agreed to in writing, software
Bethory 0:6ad07c9019fd 11 * distributed under the License is distributed on an "AS IS" BASIS,
Bethory 0:6ad07c9019fd 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Bethory 0:6ad07c9019fd 13 * See the License for the specific language governing permissions and
Bethory 0:6ad07c9019fd 14 * limitations under the License.
Bethory 0:6ad07c9019fd 15 */
Bethory 0:6ad07c9019fd 16 #include "drivers/SPISlave.h"
Bethory 0:6ad07c9019fd 17
Bethory 0:6ad07c9019fd 18 #if DEVICE_SPISLAVE
Bethory 0:6ad07c9019fd 19
Bethory 0:6ad07c9019fd 20 namespace mbed {
Bethory 0:6ad07c9019fd 21
Bethory 0:6ad07c9019fd 22 SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) :
Bethory 0:6ad07c9019fd 23 _spi(),
Bethory 0:6ad07c9019fd 24 _bits(8),
Bethory 0:6ad07c9019fd 25 _mode(0),
Bethory 0:6ad07c9019fd 26 _hz(1000000)
Bethory 0:6ad07c9019fd 27 {
Bethory 0:6ad07c9019fd 28 spi_init(&_spi, mosi, miso, sclk, ssel);
Bethory 0:6ad07c9019fd 29 spi_format(&_spi, _bits, _mode, 1);
Bethory 0:6ad07c9019fd 30 spi_frequency(&_spi, _hz);
Bethory 0:6ad07c9019fd 31 }
Bethory 0:6ad07c9019fd 32
Bethory 0:6ad07c9019fd 33 void SPISlave::format(int bits, int mode) {
Bethory 0:6ad07c9019fd 34 _bits = bits;
Bethory 0:6ad07c9019fd 35 _mode = mode;
Bethory 0:6ad07c9019fd 36 spi_format(&_spi, _bits, _mode, 1);
Bethory 0:6ad07c9019fd 37 }
Bethory 0:6ad07c9019fd 38
Bethory 0:6ad07c9019fd 39 void SPISlave::frequency(int hz) {
Bethory 0:6ad07c9019fd 40 _hz = hz;
Bethory 0:6ad07c9019fd 41 spi_frequency(&_spi, _hz);
Bethory 0:6ad07c9019fd 42 }
Bethory 0:6ad07c9019fd 43
Bethory 0:6ad07c9019fd 44 int SPISlave::receive(void) {
Bethory 0:6ad07c9019fd 45 return(spi_slave_receive(&_spi));
Bethory 0:6ad07c9019fd 46 }
Bethory 0:6ad07c9019fd 47
Bethory 0:6ad07c9019fd 48 int SPISlave::read(void) {
Bethory 0:6ad07c9019fd 49 return(spi_slave_read(&_spi));
Bethory 0:6ad07c9019fd 50 }
Bethory 0:6ad07c9019fd 51
Bethory 0:6ad07c9019fd 52 void SPISlave::reply(int value) {
Bethory 0:6ad07c9019fd 53 spi_slave_write(&_spi, value);
Bethory 0:6ad07c9019fd 54 }
Bethory 0:6ad07c9019fd 55
Bethory 0:6ad07c9019fd 56 } // namespace mbed
Bethory 0:6ad07c9019fd 57
Bethory 0:6ad07c9019fd 58 #endif