PES4 / Mbed OS Queue_02

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mbed-os/drivers/SPISlave.cpp@0:6bf0743ece18, 2020-03-28 (annotated)

Committer:
demayer
Date:
Sat Mar 28 15:28:19 2020 +0000
Revision:
0:6bf0743ece18
IMU Thread with an event-queue running parallel to handle tasks like a 5 times blinking LED. Button with interrupt detected.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
demayer 0:6bf0743ece18 1 /* mbed Microcontroller Library
demayer 0:6bf0743ece18 2 * Copyright (c) 2006-2013 ARM Limited
demayer 0:6bf0743ece18 3 *
demayer 0:6bf0743ece18 4 * Licensed under the Apache License, Version 2.0 (the "License");
demayer 0:6bf0743ece18 5 * you may not use this file except in compliance with the License.
demayer 0:6bf0743ece18 6 * You may obtain a copy of the License at
demayer 0:6bf0743ece18 7 *
demayer 0:6bf0743ece18 8 * http://www.apache.org/licenses/LICENSE-2.0
demayer 0:6bf0743ece18 9 *
demayer 0:6bf0743ece18 10 * Unless required by applicable law or agreed to in writing, software
demayer 0:6bf0743ece18 11 * distributed under the License is distributed on an "AS IS" BASIS,
demayer 0:6bf0743ece18 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
demayer 0:6bf0743ece18 13 * See the License for the specific language governing permissions and
demayer 0:6bf0743ece18 14 * limitations under the License.
demayer 0:6bf0743ece18 15 */
demayer 0:6bf0743ece18 16 #include "drivers/SPISlave.h"
demayer 0:6bf0743ece18 17
demayer 0:6bf0743ece18 18 #if DEVICE_SPISLAVE
demayer 0:6bf0743ece18 19
demayer 0:6bf0743ece18 20 namespace mbed {
demayer 0:6bf0743ece18 21
demayer 0:6bf0743ece18 22 SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) :
demayer 0:6bf0743ece18 23 _spi(),
demayer 0:6bf0743ece18 24 _bits(8),
demayer 0:6bf0743ece18 25 _mode(0),
demayer 0:6bf0743ece18 26 _hz(1000000)
demayer 0:6bf0743ece18 27 {
demayer 0:6bf0743ece18 28 spi_init(&_spi, mosi, miso, sclk, ssel);
demayer 0:6bf0743ece18 29 spi_format(&_spi, _bits, _mode, 1);
demayer 0:6bf0743ece18 30 spi_frequency(&_spi, _hz);
demayer 0:6bf0743ece18 31 }
demayer 0:6bf0743ece18 32
demayer 0:6bf0743ece18 33 void SPISlave::format(int bits, int mode) {
demayer 0:6bf0743ece18 34 _bits = bits;
demayer 0:6bf0743ece18 35 _mode = mode;
demayer 0:6bf0743ece18 36 spi_format(&_spi, _bits, _mode, 1);
demayer 0:6bf0743ece18 37 }
demayer 0:6bf0743ece18 38
demayer 0:6bf0743ece18 39 void SPISlave::frequency(int hz) {
demayer 0:6bf0743ece18 40 _hz = hz;
demayer 0:6bf0743ece18 41 spi_frequency(&_spi, _hz);
demayer 0:6bf0743ece18 42 }
demayer 0:6bf0743ece18 43
demayer 0:6bf0743ece18 44 int SPISlave::receive(void) {
demayer 0:6bf0743ece18 45 return(spi_slave_receive(&_spi));
demayer 0:6bf0743ece18 46 }
demayer 0:6bf0743ece18 47
demayer 0:6bf0743ece18 48 int SPISlave::read(void) {
demayer 0:6bf0743ece18 49 return(spi_slave_read(&_spi));
demayer 0:6bf0743ece18 50 }
demayer 0:6bf0743ece18 51
demayer 0:6bf0743ece18 52 void SPISlave::reply(int value) {
demayer 0:6bf0743ece18 53 spi_slave_write(&_spi, value);
demayer 0:6bf0743ece18 54 }
demayer 0:6bf0743ece18 55
demayer 0:6bf0743ece18 56 } // namespace mbed
demayer 0:6bf0743ece18 57
demayer 0:6bf0743ece18 58 #endif