Damian Gabino / picoGW_mcu

MCU driver/HAL for the Picocell Gateway concentrator board. The firmware implements either a USB CDC protocol or a UART protocol to bridge commands coming from host to the SX1308 SPI interface.

src/mbed-dev/common/SPISlave.cpp@0:c76361bd82e8, 2018-04-11 (annotated)

Committer:
dgabino
Date:
Wed Apr 11 14:42:47 2018 +0000
Revision:
0:c76361bd82e8
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dgabino 0:c76361bd82e8 1 /* mbed Microcontroller Library
dgabino 0:c76361bd82e8 2 * Copyright (c) 2006-2013 ARM Limited
dgabino 0:c76361bd82e8 3 *
dgabino 0:c76361bd82e8 4 * Licensed under the Apache License, Version 2.0 (the "License");
dgabino 0:c76361bd82e8 5 * you may not use this file except in compliance with the License.
dgabino 0:c76361bd82e8 6 * You may obtain a copy of the License at
dgabino 0:c76361bd82e8 7 *
dgabino 0:c76361bd82e8 8 * http://www.apache.org/licenses/LICENSE-2.0
dgabino 0:c76361bd82e8 9 *
dgabino 0:c76361bd82e8 10 * Unless required by applicable law or agreed to in writing, software
dgabino 0:c76361bd82e8 11 * distributed under the License is distributed on an "AS IS" BASIS,
dgabino 0:c76361bd82e8 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
dgabino 0:c76361bd82e8 13 * See the License for the specific language governing permissions and
dgabino 0:c76361bd82e8 14 * limitations under the License.
dgabino 0:c76361bd82e8 15 */
dgabino 0:c76361bd82e8 16 #include "SPISlave.h"
dgabino 0:c76361bd82e8 17
dgabino 0:c76361bd82e8 18 #if DEVICE_SPISLAVE
dgabino 0:c76361bd82e8 19
dgabino 0:c76361bd82e8 20 namespace mbed {
dgabino 0:c76361bd82e8 21
dgabino 0:c76361bd82e8 22 SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) :
dgabino 0:c76361bd82e8 23 _spi(),
dgabino 0:c76361bd82e8 24 _bits(8),
dgabino 0:c76361bd82e8 25 _mode(0),
dgabino 0:c76361bd82e8 26 _hz(1000000)
dgabino 0:c76361bd82e8 27 {
dgabino 0:c76361bd82e8 28 spi_init(&_spi, mosi, miso, sclk, ssel);
dgabino 0:c76361bd82e8 29 spi_format(&_spi, _bits, _mode, 1);
dgabino 0:c76361bd82e8 30 spi_frequency(&_spi, _hz);
dgabino 0:c76361bd82e8 31 }
dgabino 0:c76361bd82e8 32
dgabino 0:c76361bd82e8 33 void SPISlave::format(int bits, int mode) {
dgabino 0:c76361bd82e8 34 _bits = bits;
dgabino 0:c76361bd82e8 35 _mode = mode;
dgabino 0:c76361bd82e8 36 spi_format(&_spi, _bits, _mode, 1);
dgabino 0:c76361bd82e8 37 }
dgabino 0:c76361bd82e8 38
dgabino 0:c76361bd82e8 39 void SPISlave::frequency(int hz) {
dgabino 0:c76361bd82e8 40 _hz = hz;
dgabino 0:c76361bd82e8 41 spi_frequency(&_spi, _hz);
dgabino 0:c76361bd82e8 42 }
dgabino 0:c76361bd82e8 43
dgabino 0:c76361bd82e8 44 int SPISlave::receive(void) {
dgabino 0:c76361bd82e8 45 return(spi_slave_receive(&_spi));
dgabino 0:c76361bd82e8 46 }
dgabino 0:c76361bd82e8 47
dgabino 0:c76361bd82e8 48 int SPISlave::read(void) {
dgabino 0:c76361bd82e8 49 return(spi_slave_read(&_spi));
dgabino 0:c76361bd82e8 50 }
dgabino 0:c76361bd82e8 51
dgabino 0:c76361bd82e8 52 void SPISlave::reply(int value) {
dgabino 0:c76361bd82e8 53 spi_slave_write(&_spi, value);
dgabino 0:c76361bd82e8 54 }
dgabino 0:c76361bd82e8 55
dgabino 0:c76361bd82e8 56 } // namespace mbed
dgabino 0:c76361bd82e8 57
dgabino 0:c76361bd82e8 58 #endif