Geremia G / mbed-src

- fix F411 F334 systeminit when HSI used - portinout always read IDR regardless of port direction

Fork of mbed-src by mbed official

common/SPISlave.cpp@332:e299ae530e63, 2014-09-27 (annotated)

Committer:
Geremia
Date:
Sat Sep 27 11:16:28 2014 +0000
Revision:
332:e299ae530e63
Parent:
212:34d62c0b2af6 
- fix F411 F334 systeminit when HSI used; - STMs PortInOut port.read() always read input data register (real external pin state) even if direction is output (same as other platforms)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 13:0645d8841f51 1 /* mbed Microcontroller Library
bogdanm 13:0645d8841f51 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 13:0645d8841f51 3 *
bogdanm 13:0645d8841f51 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 13:0645d8841f51 5 * you may not use this file except in compliance with the License.
bogdanm 13:0645d8841f51 6 * You may obtain a copy of the License at
bogdanm 13:0645d8841f51 7 *
bogdanm 13:0645d8841f51 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 13:0645d8841f51 9 *
bogdanm 13:0645d8841f51 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 13:0645d8841f51 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 13:0645d8841f51 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 13:0645d8841f51 13 * See the License for the specific language governing permissions and
bogdanm 13:0645d8841f51 14 * limitations under the License.
bogdanm 13:0645d8841f51 15 */
bogdanm 13:0645d8841f51 16 #include "SPISlave.h"
bogdanm 13:0645d8841f51 17
bogdanm 13:0645d8841f51 18 #if DEVICE_SPISLAVE
bogdanm 13:0645d8841f51 19
bogdanm 13:0645d8841f51 20 namespace mbed {
bogdanm 13:0645d8841f51 21
mbed_official 212:34d62c0b2af6 22 SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) :
mbed_official 212:34d62c0b2af6 23 _spi(),
mbed_official 212:34d62c0b2af6 24 _bits(8),
mbed_official 212:34d62c0b2af6 25 _mode(0),
mbed_official 212:34d62c0b2af6 26 _hz(1000000)
mbed_official 212:34d62c0b2af6 27 {
bogdanm 13:0645d8841f51 28 spi_init(&_spi, mosi, miso, sclk, ssel);
bogdanm 13:0645d8841f51 29 spi_format(&_spi, _bits, _mode, 1);
bogdanm 13:0645d8841f51 30 spi_frequency(&_spi, _hz);
bogdanm 13:0645d8841f51 31 }
bogdanm 13:0645d8841f51 32
bogdanm 13:0645d8841f51 33 void SPISlave::format(int bits, int mode) {
bogdanm 13:0645d8841f51 34 _bits = bits;
bogdanm 13:0645d8841f51 35 _mode = mode;
bogdanm 13:0645d8841f51 36 spi_format(&_spi, _bits, _mode, 1);
bogdanm 13:0645d8841f51 37 }
bogdanm 13:0645d8841f51 38
bogdanm 13:0645d8841f51 39 void SPISlave::frequency(int hz) {
bogdanm 13:0645d8841f51 40 _hz = hz;
bogdanm 13:0645d8841f51 41 spi_frequency(&_spi, _hz);
bogdanm 13:0645d8841f51 42 }
bogdanm 13:0645d8841f51 43
bogdanm 13:0645d8841f51 44 int SPISlave::receive(void) {
bogdanm 13:0645d8841f51 45 return(spi_slave_receive(&_spi));
bogdanm 13:0645d8841f51 46 }
bogdanm 13:0645d8841f51 47
bogdanm 13:0645d8841f51 48 int SPISlave::read(void) {
bogdanm 13:0645d8841f51 49 return(spi_slave_read(&_spi));
bogdanm 13:0645d8841f51 50 }
bogdanm 13:0645d8841f51 51
bogdanm 13:0645d8841f51 52 void SPISlave::reply(int value) {
bogdanm 13:0645d8841f51 53 spi_slave_write(&_spi, value);
bogdanm 13:0645d8841f51 54 }
bogdanm 13:0645d8841f51 55
bogdanm 13:0645d8841f51 56 } // namespace mbed
bogdanm 13:0645d8841f51 57
bogdanm 13:0645d8841f51 58 #endif