Andrew SaLoutos / mbed-dev-STM-lean

From Ben Katz mbed-dev library. Removed unnecessary target files to reduce the overall size by a factor of 10 to make it easier to import into the online IDE.

Dependents:   motor_driver motor_driver_screaming_fix

drivers/SPISlave.cpp@0:083111ae2a11, 2020-11-26 (annotated)

Committer:
saloutos
Date:
Thu Nov 26 04:08:56 2020 +0000
Revision:
0:083111ae2a11
first commit of leaned mbed dev lib

Who changed what in which revision?

UserRevisionLine numberNew contents of line
saloutos 0:083111ae2a11 1 /* mbed Microcontroller Library
saloutos 0:083111ae2a11 2 * Copyright (c) 2006-2013 ARM Limited
saloutos 0:083111ae2a11 3 *
saloutos 0:083111ae2a11 4 * Licensed under the Apache License, Version 2.0 (the "License");
saloutos 0:083111ae2a11 5 * you may not use this file except in compliance with the License.
saloutos 0:083111ae2a11 6 * You may obtain a copy of the License at
saloutos 0:083111ae2a11 7 *
saloutos 0:083111ae2a11 8 * http://www.apache.org/licenses/LICENSE-2.0
saloutos 0:083111ae2a11 9 *
saloutos 0:083111ae2a11 10 * Unless required by applicable law or agreed to in writing, software
saloutos 0:083111ae2a11 11 * distributed under the License is distributed on an "AS IS" BASIS,
saloutos 0:083111ae2a11 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
saloutos 0:083111ae2a11 13 * See the License for the specific language governing permissions and
saloutos 0:083111ae2a11 14 * limitations under the License.
saloutos 0:083111ae2a11 15 */
saloutos 0:083111ae2a11 16 #include "drivers/SPISlave.h"
saloutos 0:083111ae2a11 17
saloutos 0:083111ae2a11 18 #if DEVICE_SPISLAVE
saloutos 0:083111ae2a11 19
saloutos 0:083111ae2a11 20 namespace mbed {
saloutos 0:083111ae2a11 21
saloutos 0:083111ae2a11 22 SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) :
saloutos 0:083111ae2a11 23 _spi(),
saloutos 0:083111ae2a11 24 _bits(8),
saloutos 0:083111ae2a11 25 _mode(0),
saloutos 0:083111ae2a11 26 _hz(1000000)
saloutos 0:083111ae2a11 27 {
saloutos 0:083111ae2a11 28 spi_init(&_spi, mosi, miso, sclk, ssel);
saloutos 0:083111ae2a11 29 spi_format(&_spi, _bits, _mode, 1);
saloutos 0:083111ae2a11 30 spi_frequency(&_spi, _hz);
saloutos 0:083111ae2a11 31 }
saloutos 0:083111ae2a11 32
saloutos 0:083111ae2a11 33 void SPISlave::format(int bits, int mode) {
saloutos 0:083111ae2a11 34 _bits = bits;
saloutos 0:083111ae2a11 35 _mode = mode;
saloutos 0:083111ae2a11 36 spi_format(&_spi, _bits, _mode, 1);
saloutos 0:083111ae2a11 37 }
saloutos 0:083111ae2a11 38
saloutos 0:083111ae2a11 39 void SPISlave::frequency(int hz) {
saloutos 0:083111ae2a11 40 _hz = hz;
saloutos 0:083111ae2a11 41 spi_frequency(&_spi, _hz);
saloutos 0:083111ae2a11 42 }
saloutos 0:083111ae2a11 43
saloutos 0:083111ae2a11 44 int SPISlave::receive(void) {
saloutos 0:083111ae2a11 45 return(spi_slave_receive(&_spi));
saloutos 0:083111ae2a11 46 }
saloutos 0:083111ae2a11 47
saloutos 0:083111ae2a11 48 int SPISlave::read(void) {
saloutos 0:083111ae2a11 49 return(spi_slave_read(&_spi));
saloutos 0:083111ae2a11 50 }
saloutos 0:083111ae2a11 51
saloutos 0:083111ae2a11 52 void SPISlave::reply(int value) {
saloutos 0:083111ae2a11 53 spi_slave_write(&_spi, value);
saloutos 0:083111ae2a11 54 }
saloutos 0:083111ae2a11 55
saloutos 0:083111ae2a11 56 } // namespace mbed
saloutos 0:083111ae2a11 57
saloutos 0:083111ae2a11 58 #endif