Gonzalo Matarrubia / Mbed LPC1549 mod

This repo contains the libraries of Mbed for LPC1549 with following changes: - IAP commands. - EEPROM write and read. - UART write and read (public) - CAN can_s -> LPC_C_CAN0_Type *can

mbed/BusIn.h@0:820a69dfd200, 2015-04-14 (annotated)

Committer:
gmatarrubia
Date:
Tue Apr 14 15:00:13 2015 +0200
Revision:
0:820a69dfd200
Initial repo. IAP commands, EEPROM write/read, UART write/read, CAN

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gmatarrubia 0:820a69dfd200 1 /* mbed Microcontroller Library
gmatarrubia 0:820a69dfd200 2 * Copyright (c) 2006-2013 ARM Limited
gmatarrubia 0:820a69dfd200 3 *
gmatarrubia 0:820a69dfd200 4 * Licensed under the Apache License, Version 2.0 (the "License");
gmatarrubia 0:820a69dfd200 5 * you may not use this file except in compliance with the License.
gmatarrubia 0:820a69dfd200 6 * You may obtain a copy of the License at
gmatarrubia 0:820a69dfd200 7 *
gmatarrubia 0:820a69dfd200 8 * http://www.apache.org/licenses/LICENSE-2.0
gmatarrubia 0:820a69dfd200 9 *
gmatarrubia 0:820a69dfd200 10 * Unless required by applicable law or agreed to in writing, software
gmatarrubia 0:820a69dfd200 11 * distributed under the License is distributed on an "AS IS" BASIS,
gmatarrubia 0:820a69dfd200 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
gmatarrubia 0:820a69dfd200 13 * See the License for the specific language governing permissions and
gmatarrubia 0:820a69dfd200 14 * limitations under the License.
gmatarrubia 0:820a69dfd200 15 */
gmatarrubia 0:820a69dfd200 16 #ifndef MBED_BUSIN_H
gmatarrubia 0:820a69dfd200 17 #define MBED_BUSIN_H
gmatarrubia 0:820a69dfd200 18
gmatarrubia 0:820a69dfd200 19 #include "platform.h"
gmatarrubia 0:820a69dfd200 20 #include "DigitalIn.h"
gmatarrubia 0:820a69dfd200 21
gmatarrubia 0:820a69dfd200 22 namespace mbed {
gmatarrubia 0:820a69dfd200 23
gmatarrubia 0:820a69dfd200 24 /** A digital input bus, used for reading the state of a collection of pins
gmatarrubia 0:820a69dfd200 25 */
gmatarrubia 0:820a69dfd200 26 class BusIn {
gmatarrubia 0:820a69dfd200 27
gmatarrubia 0:820a69dfd200 28 public:
gmatarrubia 0:820a69dfd200 29 /* Group: Configuration Methods */
gmatarrubia 0:820a69dfd200 30
gmatarrubia 0:820a69dfd200 31 /** Create an BusIn, connected to the specified pins
gmatarrubia 0:820a69dfd200 32 *
gmatarrubia 0:820a69dfd200 33 * @param <n> DigitalIn pin to connect to bus bit <n> (p5-p30, NC)
gmatarrubia 0:820a69dfd200 34 *
gmatarrubia 0:820a69dfd200 35 * @note
gmatarrubia 0:820a69dfd200 36 * It is only required to specify as many pin variables as is required
gmatarrubia 0:820a69dfd200 37 * for the bus; the rest will default to NC (not connected)
gmatarrubia 0:820a69dfd200 38 */
gmatarrubia 0:820a69dfd200 39 BusIn(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC,
gmatarrubia 0:820a69dfd200 40 PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC,
gmatarrubia 0:820a69dfd200 41 PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC,
gmatarrubia 0:820a69dfd200 42 PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC);
gmatarrubia 0:820a69dfd200 43
gmatarrubia 0:820a69dfd200 44 BusIn(PinName pins[16]);
gmatarrubia 0:820a69dfd200 45
gmatarrubia 0:820a69dfd200 46 virtual ~BusIn();
gmatarrubia 0:820a69dfd200 47
gmatarrubia 0:820a69dfd200 48 /** Read the value of the input bus
gmatarrubia 0:820a69dfd200 49 *
gmatarrubia 0:820a69dfd200 50 * @returns
gmatarrubia 0:820a69dfd200 51 * An integer with each bit corresponding to the value read from the associated DigitalIn pin
gmatarrubia 0:820a69dfd200 52 */
gmatarrubia 0:820a69dfd200 53 int read();
gmatarrubia 0:820a69dfd200 54
gmatarrubia 0:820a69dfd200 55 /** Set the input pin mode
gmatarrubia 0:820a69dfd200 56 *
gmatarrubia 0:820a69dfd200 57 * @param mode PullUp, PullDown, PullNone
gmatarrubia 0:820a69dfd200 58 */
gmatarrubia 0:820a69dfd200 59 void mode(PinMode pull);
gmatarrubia 0:820a69dfd200 60
gmatarrubia 0:820a69dfd200 61 /** Binary mask of bus pins connected to actual pins (not NC pins)
gmatarrubia 0:820a69dfd200 62 * If bus pin is in NC state make corresponding bit will be cleared (set to 0), else bit will be set to 1
gmatarrubia 0:820a69dfd200 63 *
gmatarrubia 0:820a69dfd200 64 * @returns
gmatarrubia 0:820a69dfd200 65 * Binary mask of connected pins
gmatarrubia 0:820a69dfd200 66 */
gmatarrubia 0:820a69dfd200 67 int mask() {
gmatarrubia 0:820a69dfd200 68 return _nc_mask;
gmatarrubia 0:820a69dfd200 69 }
gmatarrubia 0:820a69dfd200 70
gmatarrubia 0:820a69dfd200 71 #ifdef MBED_OPERATORS
gmatarrubia 0:820a69dfd200 72 /** A shorthand for read()
gmatarrubia 0:820a69dfd200 73 */
gmatarrubia 0:820a69dfd200 74 operator int();
gmatarrubia 0:820a69dfd200 75
gmatarrubia 0:820a69dfd200 76 /** Access to particular bit in random-iterator fashion
gmatarrubia 0:820a69dfd200 77 */
gmatarrubia 0:820a69dfd200 78 DigitalIn & operator[] (int index);
gmatarrubia 0:820a69dfd200 79 #endif
gmatarrubia 0:820a69dfd200 80
gmatarrubia 0:820a69dfd200 81 protected:
gmatarrubia 0:820a69dfd200 82 DigitalIn* _pin[16];
gmatarrubia 0:820a69dfd200 83
gmatarrubia 0:820a69dfd200 84 /** Mask of bus's NC pins
gmatarrubia 0:820a69dfd200 85 * If bit[n] is set to 1 - pin is connected
gmatarrubia 0:820a69dfd200 86 * if bit[n] is cleared - pin is not connected (NC)
gmatarrubia 0:820a69dfd200 87 */
gmatarrubia 0:820a69dfd200 88 int _nc_mask;
gmatarrubia 0:820a69dfd200 89
gmatarrubia 0:820a69dfd200 90 /* disallow copy constructor and assignment operators */
gmatarrubia 0:820a69dfd200 91 private:
gmatarrubia 0:820a69dfd200 92 BusIn(const BusIn&);
gmatarrubia 0:820a69dfd200 93 BusIn & operator = (const BusIn&);
gmatarrubia 0:820a69dfd200 94 };
gmatarrubia 0:820a69dfd200 95
gmatarrubia 0:820a69dfd200 96 } // namespace mbed
gmatarrubia 0:820a69dfd200 97
gmatarrubia 0:820a69dfd200 98 #endif