joey shelton / LED_Demo2

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Dependencies:   MAX44000 PWM_Tone_Library nexpaq_mdk

Fork of LED_Demo by joey shelton

mbd_os/hal/common/SPISlave.cpp@9:6bb35cef007d, 2016-10-22 (annotated)

Committer:
cyberjoey
Date:
Sat Oct 22 01:31:58 2016 +0000
Revision:
9:6bb35cef007d
Parent:
1:55a6170b404f 
WORKING

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nexpaq 1:55a6170b404f 1 /* mbed Microcontroller Library
nexpaq 1:55a6170b404f 2 * Copyright (c) 2006-2013 ARM Limited
nexpaq 1:55a6170b404f 3 *
nexpaq 1:55a6170b404f 4 * Licensed under the Apache License, Version 2.0 (the "License");
nexpaq 1:55a6170b404f 5 * you may not use this file except in compliance with the License.
nexpaq 1:55a6170b404f 6 * You may obtain a copy of the License at
nexpaq 1:55a6170b404f 7 *
nexpaq 1:55a6170b404f 8 * http://www.apache.org/licenses/LICENSE-2.0
nexpaq 1:55a6170b404f 9 *
nexpaq 1:55a6170b404f 10 * Unless required by applicable law or agreed to in writing, software
nexpaq 1:55a6170b404f 11 * distributed under the License is distributed on an "AS IS" BASIS,
nexpaq 1:55a6170b404f 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
nexpaq 1:55a6170b404f 13 * See the License for the specific language governing permissions and
nexpaq 1:55a6170b404f 14 * limitations under the License.
nexpaq 1:55a6170b404f 15 */
nexpaq 1:55a6170b404f 16 #include "SPISlave.h"
nexpaq 1:55a6170b404f 17
nexpaq 1:55a6170b404f 18 #if DEVICE_SPISLAVE
nexpaq 1:55a6170b404f 19
nexpaq 1:55a6170b404f 20 namespace mbed {
nexpaq 1:55a6170b404f 21
nexpaq 1:55a6170b404f 22 SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) :
nexpaq 1:55a6170b404f 23 _spi(),
nexpaq 1:55a6170b404f 24 _bits(8),
nexpaq 1:55a6170b404f 25 _mode(0),
nexpaq 1:55a6170b404f 26 _hz(1000000)
nexpaq 1:55a6170b404f 27 {
nexpaq 1:55a6170b404f 28 spi_init(&_spi, mosi, miso, sclk, ssel);
nexpaq 1:55a6170b404f 29 spi_format(&_spi, _bits, _mode, 1);
nexpaq 1:55a6170b404f 30 spi_frequency(&_spi, _hz);
nexpaq 1:55a6170b404f 31 }
nexpaq 1:55a6170b404f 32
nexpaq 1:55a6170b404f 33 void SPISlave::format(int bits, int mode) {
nexpaq 1:55a6170b404f 34 _bits = bits;
nexpaq 1:55a6170b404f 35 _mode = mode;
nexpaq 1:55a6170b404f 36 spi_format(&_spi, _bits, _mode, 1);
nexpaq 1:55a6170b404f 37 }
nexpaq 1:55a6170b404f 38
nexpaq 1:55a6170b404f 39 void SPISlave::frequency(int hz) {
nexpaq 1:55a6170b404f 40 _hz = hz;
nexpaq 1:55a6170b404f 41 spi_frequency(&_spi, _hz);
nexpaq 1:55a6170b404f 42 }
nexpaq 1:55a6170b404f 43
nexpaq 1:55a6170b404f 44 int SPISlave::receive(void) {
nexpaq 1:55a6170b404f 45 return(spi_slave_receive(&_spi));
nexpaq 1:55a6170b404f 46 }
nexpaq 1:55a6170b404f 47
nexpaq 1:55a6170b404f 48 int SPISlave::read(void) {
nexpaq 1:55a6170b404f 49 return(spi_slave_read(&_spi));
nexpaq 1:55a6170b404f 50 }
nexpaq 1:55a6170b404f 51
nexpaq 1:55a6170b404f 52 void SPISlave::reply(int value) {
nexpaq 1:55a6170b404f 53 spi_slave_write(&_spi, value);
nexpaq 1:55a6170b404f 54 }
nexpaq 1:55a6170b404f 55
nexpaq 1:55a6170b404f 56 } // namespace mbed
nexpaq 1:55a6170b404f 57
nexpaq 1:55a6170b404f 58 #endif