modtronix H / mbed_nz32sc151

mbed library for NZ32-SC151

common/SPISlave.cpp@17:639ed60ce759, 2016-08-19 (annotated)

Committer:
modtronix-com
Date:
Fri Aug 19 15:46:42 2016 +1000
Revision:
17:639ed60ce759
Parent:
1:71204b8406f2 
Added tag v1.1 for changeset 076cbe3e55be

Who changed what in which revision?

UserRevisionLine numberNew contents of line
modtronix 1:71204b8406f2 1 /* mbed Microcontroller Library
modtronix 1:71204b8406f2 2 * Copyright (c) 2006-2013 ARM Limited
modtronix 1:71204b8406f2 3 *
modtronix 1:71204b8406f2 4 * Licensed under the Apache License, Version 2.0 (the "License");
modtronix 1:71204b8406f2 5 * you may not use this file except in compliance with the License.
modtronix 1:71204b8406f2 6 * You may obtain a copy of the License at
modtronix 1:71204b8406f2 7 *
modtronix 1:71204b8406f2 8 * http://www.apache.org/licenses/LICENSE-2.0
modtronix 1:71204b8406f2 9 *
modtronix 1:71204b8406f2 10 * Unless required by applicable law or agreed to in writing, software
modtronix 1:71204b8406f2 11 * distributed under the License is distributed on an "AS IS" BASIS,
modtronix 1:71204b8406f2 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
modtronix 1:71204b8406f2 13 * See the License for the specific language governing permissions and
modtronix 1:71204b8406f2 14 * limitations under the License.
modtronix 1:71204b8406f2 15 */
modtronix 1:71204b8406f2 16 #include "SPISlave.h"
modtronix 1:71204b8406f2 17
modtronix 1:71204b8406f2 18 #if DEVICE_SPISLAVE
modtronix 1:71204b8406f2 19
modtronix 1:71204b8406f2 20 namespace mbed {
modtronix 1:71204b8406f2 21
modtronix 1:71204b8406f2 22 SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) :
modtronix 1:71204b8406f2 23 _spi(),
modtronix 1:71204b8406f2 24 _bits(8),
modtronix 1:71204b8406f2 25 _mode(0),
modtronix 1:71204b8406f2 26 _hz(1000000)
modtronix 1:71204b8406f2 27 {
modtronix 1:71204b8406f2 28 spi_init(&_spi, mosi, miso, sclk, ssel);
modtronix 1:71204b8406f2 29 spi_format(&_spi, _bits, _mode, 1);
modtronix 1:71204b8406f2 30 spi_frequency(&_spi, _hz);
modtronix 1:71204b8406f2 31 }
modtronix 1:71204b8406f2 32
modtronix 1:71204b8406f2 33 void SPISlave::format(int bits, int mode) {
modtronix 1:71204b8406f2 34 _bits = bits;
modtronix 1:71204b8406f2 35 _mode = mode;
modtronix 1:71204b8406f2 36 spi_format(&_spi, _bits, _mode, 1);
modtronix 1:71204b8406f2 37 }
modtronix 1:71204b8406f2 38
modtronix 1:71204b8406f2 39 void SPISlave::frequency(int hz) {
modtronix 1:71204b8406f2 40 _hz = hz;
modtronix 1:71204b8406f2 41 spi_frequency(&_spi, _hz);
modtronix 1:71204b8406f2 42 }
modtronix 1:71204b8406f2 43
modtronix 1:71204b8406f2 44 int SPISlave::receive(void) {
modtronix 1:71204b8406f2 45 return(spi_slave_receive(&_spi));
modtronix 1:71204b8406f2 46 }
modtronix 1:71204b8406f2 47
modtronix 1:71204b8406f2 48 int SPISlave::read(void) {
modtronix 1:71204b8406f2 49 return(spi_slave_read(&_spi));
modtronix 1:71204b8406f2 50 }
modtronix 1:71204b8406f2 51
modtronix 1:71204b8406f2 52 void SPISlave::reply(int value) {
modtronix 1:71204b8406f2 53 spi_slave_write(&_spi, value);
modtronix 1:71204b8406f2 54 }
modtronix 1:71204b8406f2 55
modtronix 1:71204b8406f2 56 } // namespace mbed
modtronix 1:71204b8406f2 57
modtronix 1:71204b8406f2 58 #endif