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?
User | Revision | Line number | New 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 |