mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

drivers/SPISlave.cpp@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
187:0387e8f68319 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 149:156823d33999 1 /* mbed Microcontroller Library
<> 149:156823d33999 2 * Copyright (c) 2006-2013 ARM Limited
AnnaBridge 189:f392fc9709a3 3 * SPDX-License-Identifier: Apache-2.0
<> 149:156823d33999 4 *
<> 149:156823d33999 5 * Licensed under the Apache License, Version 2.0 (the "License");
<> 149:156823d33999 6 * you may not use this file except in compliance with the License.
<> 149:156823d33999 7 * You may obtain a copy of the License at
<> 149:156823d33999 8 *
<> 149:156823d33999 9 * http://www.apache.org/licenses/LICENSE-2.0
<> 149:156823d33999 10 *
<> 149:156823d33999 11 * Unless required by applicable law or agreed to in writing, software
<> 149:156823d33999 12 * distributed under the License is distributed on an "AS IS" BASIS,
<> 149:156823d33999 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 149:156823d33999 14 * See the License for the specific language governing permissions and
<> 149:156823d33999 15 * limitations under the License.
<> 149:156823d33999 16 */
<> 149:156823d33999 17 #include "drivers/SPISlave.h"
<> 149:156823d33999 18
<> 149:156823d33999 19 #if DEVICE_SPISLAVE
<> 149:156823d33999 20
<> 149:156823d33999 21 namespace mbed {
<> 149:156823d33999 22
<> 149:156823d33999 23 SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) :
<> 149:156823d33999 24 _spi(),
<> 149:156823d33999 25 _bits(8),
<> 149:156823d33999 26 _mode(0),
<> 149:156823d33999 27 _hz(1000000)
AnnaBridge 187:0387e8f68319 28 {
<> 149:156823d33999 29 spi_init(&_spi, mosi, miso, sclk, ssel);
<> 149:156823d33999 30 spi_format(&_spi, _bits, _mode, 1);
<> 149:156823d33999 31 spi_frequency(&_spi, _hz);
<> 149:156823d33999 32 }
<> 149:156823d33999 33
AnnaBridge 187:0387e8f68319 34 void SPISlave::format(int bits, int mode)
AnnaBridge 187:0387e8f68319 35 {
<> 149:156823d33999 36 _bits = bits;
<> 149:156823d33999 37 _mode = mode;
<> 149:156823d33999 38 spi_format(&_spi, _bits, _mode, 1);
<> 149:156823d33999 39 }
<> 149:156823d33999 40
AnnaBridge 187:0387e8f68319 41 void SPISlave::frequency(int hz)
AnnaBridge 187:0387e8f68319 42 {
<> 149:156823d33999 43 _hz = hz;
<> 149:156823d33999 44 spi_frequency(&_spi, _hz);
<> 149:156823d33999 45 }
<> 149:156823d33999 46
AnnaBridge 187:0387e8f68319 47 int SPISlave::receive(void)
AnnaBridge 187:0387e8f68319 48 {
AnnaBridge 187:0387e8f68319 49 return (spi_slave_receive(&_spi));
<> 149:156823d33999 50 }
<> 149:156823d33999 51
AnnaBridge 187:0387e8f68319 52 int SPISlave::read(void)
AnnaBridge 187:0387e8f68319 53 {
AnnaBridge 187:0387e8f68319 54 return (spi_slave_read(&_spi));
<> 149:156823d33999 55 }
<> 149:156823d33999 56
AnnaBridge 187:0387e8f68319 57 void SPISlave::reply(int value)
AnnaBridge 187:0387e8f68319 58 {
<> 149:156823d33999 59 spi_slave_write(&_spi, value);
<> 149:156823d33999 60 }
<> 149:156823d33999 61
<> 149:156823d33999 62 } // namespace mbed
<> 149:156823d33999 63
<> 149:156823d33999 64 #endif