Rahul Dahiya / Mbed OS STM32F7 Ethernet

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mbed-os/drivers/SPISlave.cpp@0:fb8047b156bb, 2020-01-15 (annotated)

Committer:
rahul_dahiya
Date:
Wed Jan 15 15:57:15 2020 +0530
Revision:
0:fb8047b156bb
STM32F7 LWIP

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rahul_dahiya 0:fb8047b156bb 1 /* mbed Microcontroller Library
rahul_dahiya 0:fb8047b156bb 2 * Copyright (c) 2006-2013 ARM Limited
rahul_dahiya 0:fb8047b156bb 3 *
rahul_dahiya 0:fb8047b156bb 4 * Licensed under the Apache License, Version 2.0 (the "License");
rahul_dahiya 0:fb8047b156bb 5 * you may not use this file except in compliance with the License.
rahul_dahiya 0:fb8047b156bb 6 * You may obtain a copy of the License at
rahul_dahiya 0:fb8047b156bb 7 *
rahul_dahiya 0:fb8047b156bb 8 * http://www.apache.org/licenses/LICENSE-2.0
rahul_dahiya 0:fb8047b156bb 9 *
rahul_dahiya 0:fb8047b156bb 10 * Unless required by applicable law or agreed to in writing, software
rahul_dahiya 0:fb8047b156bb 11 * distributed under the License is distributed on an "AS IS" BASIS,
rahul_dahiya 0:fb8047b156bb 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
rahul_dahiya 0:fb8047b156bb 13 * See the License for the specific language governing permissions and
rahul_dahiya 0:fb8047b156bb 14 * limitations under the License.
rahul_dahiya 0:fb8047b156bb 15 */
rahul_dahiya 0:fb8047b156bb 16 #include "drivers/SPISlave.h"
rahul_dahiya 0:fb8047b156bb 17
rahul_dahiya 0:fb8047b156bb 18 #if DEVICE_SPISLAVE
rahul_dahiya 0:fb8047b156bb 19
rahul_dahiya 0:fb8047b156bb 20 namespace mbed {
rahul_dahiya 0:fb8047b156bb 21
rahul_dahiya 0:fb8047b156bb 22 SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) :
rahul_dahiya 0:fb8047b156bb 23 _spi(),
rahul_dahiya 0:fb8047b156bb 24 _bits(8),
rahul_dahiya 0:fb8047b156bb 25 _mode(0),
rahul_dahiya 0:fb8047b156bb 26 _hz(1000000)
rahul_dahiya 0:fb8047b156bb 27 {
rahul_dahiya 0:fb8047b156bb 28 spi_init(&_spi, mosi, miso, sclk, ssel);
rahul_dahiya 0:fb8047b156bb 29 spi_format(&_spi, _bits, _mode, 1);
rahul_dahiya 0:fb8047b156bb 30 spi_frequency(&_spi, _hz);
rahul_dahiya 0:fb8047b156bb 31 }
rahul_dahiya 0:fb8047b156bb 32
rahul_dahiya 0:fb8047b156bb 33 void SPISlave::format(int bits, int mode) {
rahul_dahiya 0:fb8047b156bb 34 _bits = bits;
rahul_dahiya 0:fb8047b156bb 35 _mode = mode;
rahul_dahiya 0:fb8047b156bb 36 spi_format(&_spi, _bits, _mode, 1);
rahul_dahiya 0:fb8047b156bb 37 }
rahul_dahiya 0:fb8047b156bb 38
rahul_dahiya 0:fb8047b156bb 39 void SPISlave::frequency(int hz) {
rahul_dahiya 0:fb8047b156bb 40 _hz = hz;
rahul_dahiya 0:fb8047b156bb 41 spi_frequency(&_spi, _hz);
rahul_dahiya 0:fb8047b156bb 42 }
rahul_dahiya 0:fb8047b156bb 43
rahul_dahiya 0:fb8047b156bb 44 int SPISlave::receive(void) {
rahul_dahiya 0:fb8047b156bb 45 return(spi_slave_receive(&_spi));
rahul_dahiya 0:fb8047b156bb 46 }
rahul_dahiya 0:fb8047b156bb 47
rahul_dahiya 0:fb8047b156bb 48 int SPISlave::read(void) {
rahul_dahiya 0:fb8047b156bb 49 return(spi_slave_read(&_spi));
rahul_dahiya 0:fb8047b156bb 50 }
rahul_dahiya 0:fb8047b156bb 51
rahul_dahiya 0:fb8047b156bb 52 void SPISlave::reply(int value) {
rahul_dahiya 0:fb8047b156bb 53 spi_slave_write(&_spi, value);
rahul_dahiya 0:fb8047b156bb 54 }
rahul_dahiya 0:fb8047b156bb 55
rahul_dahiya 0:fb8047b156bb 56 } // namespace mbed
rahul_dahiya 0:fb8047b156bb 57
rahul_dahiya 0:fb8047b156bb 58 #endif