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

api/BusIn.h@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 #ifndef MBED_BUSIN_H
bogdanm 13:0645d8841f51 17 #define MBED_BUSIN_H
bogdanm 13:0645d8841f51 18
bogdanm 13:0645d8841f51 19 #include "platform.h"
bogdanm 13:0645d8841f51 20 #include "DigitalIn.h"
bogdanm 13:0645d8841f51 21
bogdanm 13:0645d8841f51 22 namespace mbed {
bogdanm 13:0645d8841f51 23
bogdanm 13:0645d8841f51 24 /** A digital input bus, used for reading the state of a collection of pins
bogdanm 13:0645d8841f51 25 */
bogdanm 13:0645d8841f51 26 class BusIn {
bogdanm 13:0645d8841f51 27
bogdanm 13:0645d8841f51 28 public:
bogdanm 13:0645d8841f51 29 /* Group: Configuration Methods */
bogdanm 13:0645d8841f51 30
bogdanm 13:0645d8841f51 31 /** Create an BusIn, connected to the specified pins
bogdanm 13:0645d8841f51 32 *
bogdanm 13:0645d8841f51 33 * @param <n> DigitalIn pin to connect to bus bit <n> (p5-p30, NC)
bogdanm 13:0645d8841f51 34 *
bogdanm 13:0645d8841f51 35 * @note
bogdanm 13:0645d8841f51 36 * It is only required to specify as many pin variables as is required
bogdanm 13:0645d8841f51 37 * for the bus; the rest will default to NC (not connected)
bogdanm 13:0645d8841f51 38 */
bogdanm 13:0645d8841f51 39 BusIn(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC,
bogdanm 13:0645d8841f51 40 PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC,
bogdanm 13:0645d8841f51 41 PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC,
bogdanm 13:0645d8841f51 42 PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC);
bogdanm 13:0645d8841f51 43
bogdanm 13:0645d8841f51 44 BusIn(PinName pins[16]);
bogdanm 13:0645d8841f51 45
bogdanm 13:0645d8841f51 46 virtual ~BusIn();
bogdanm 13:0645d8841f51 47
bogdanm 13:0645d8841f51 48 /** Read the value of the input bus
bogdanm 13:0645d8841f51 49 *
bogdanm 13:0645d8841f51 50 * @returns
bogdanm 13:0645d8841f51 51 * An integer with each bit corresponding to the value read from the associated DigitalIn pin
bogdanm 13:0645d8841f51 52 */
bogdanm 13:0645d8841f51 53 int read();
mbed_official 212:34d62c0b2af6 54
mbed_official 160:6870f452afa4 55 /** Set the input pin mode
mbed_official 160:6870f452afa4 56 *
mbed_official 160:6870f452afa4 57 * @param mode PullUp, PullDown, PullNone
mbed_official 160:6870f452afa4 58 */
mbed_official 160:6870f452afa4 59 void mode(PinMode pull);
mbed_official 212:34d62c0b2af6 60
bogdanm 13:0645d8841f51 61 #ifdef MBED_OPERATORS
bogdanm 13:0645d8841f51 62 /** A shorthand for read()
bogdanm 13:0645d8841f51 63 */
bogdanm 13:0645d8841f51 64 operator int();
bogdanm 13:0645d8841f51 65 #endif
bogdanm 13:0645d8841f51 66
bogdanm 13:0645d8841f51 67 protected:
bogdanm 13:0645d8841f51 68 DigitalIn* _pin[16];
mbed_official 212:34d62c0b2af6 69
mbed_official 212:34d62c0b2af6 70 /* disallow copy constructor and assignment operators */
mbed_official 212:34d62c0b2af6 71 private:
mbed_official 212:34d62c0b2af6 72 BusIn(const BusIn&);
mbed_official 212:34d62c0b2af6 73 BusIn & operator = (const BusIn&);
bogdanm 13:0645d8841f51 74 };
bogdanm 13:0645d8841f51 75
bogdanm 13:0645d8841f51 76 } // namespace mbed
bogdanm 13:0645d8841f51 77
bogdanm 13:0645d8841f51 78 #endif