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/BusInOut.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_BUSINOUT_H
gmatarrubia 0:820a69dfd200 17 #define MBED_BUSINOUT_H
gmatarrubia 0:820a69dfd200 18
gmatarrubia 0:820a69dfd200 19 #include "DigitalInOut.h"
gmatarrubia 0:820a69dfd200 20
gmatarrubia 0:820a69dfd200 21 namespace mbed {
gmatarrubia 0:820a69dfd200 22
gmatarrubia 0:820a69dfd200 23 /** A digital input output bus, used for setting the state of a collection of pins
gmatarrubia 0:820a69dfd200 24 */
gmatarrubia 0:820a69dfd200 25 class BusInOut {
gmatarrubia 0:820a69dfd200 26
gmatarrubia 0:820a69dfd200 27 public:
gmatarrubia 0:820a69dfd200 28
gmatarrubia 0:820a69dfd200 29 /** Create an BusInOut, connected to the specified pins
gmatarrubia 0:820a69dfd200 30 *
gmatarrubia 0:820a69dfd200 31 * @param p<n> DigitalInOut pin to connect to bus bit p<n> (p5-p30, NC)
gmatarrubia 0:820a69dfd200 32 *
gmatarrubia 0:820a69dfd200 33 * @note
gmatarrubia 0:820a69dfd200 34 * It is only required to specify as many pin variables as is required
gmatarrubia 0:820a69dfd200 35 * for the bus; the rest will default to NC (not connected)
gmatarrubia 0:820a69dfd200 36 */
gmatarrubia 0:820a69dfd200 37 BusInOut(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC,
gmatarrubia 0:820a69dfd200 38 PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC,
gmatarrubia 0:820a69dfd200 39 PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC,
gmatarrubia 0:820a69dfd200 40 PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC);
gmatarrubia 0:820a69dfd200 41
gmatarrubia 0:820a69dfd200 42 BusInOut(PinName pins[16]);
gmatarrubia 0:820a69dfd200 43
gmatarrubia 0:820a69dfd200 44 virtual ~BusInOut();
gmatarrubia 0:820a69dfd200 45
gmatarrubia 0:820a69dfd200 46 /* Group: Access Methods */
gmatarrubia 0:820a69dfd200 47
gmatarrubia 0:820a69dfd200 48 /** Write the value to the output bus
gmatarrubia 0:820a69dfd200 49 *
gmatarrubia 0:820a69dfd200 50 * @param value An integer specifying a bit to write for every corresponding DigitalInOut pin
gmatarrubia 0:820a69dfd200 51 */
gmatarrubia 0:820a69dfd200 52 void write(int value);
gmatarrubia 0:820a69dfd200 53
gmatarrubia 0:820a69dfd200 54 /** Read the value currently output on the bus
gmatarrubia 0:820a69dfd200 55 *
gmatarrubia 0:820a69dfd200 56 * @returns
gmatarrubia 0:820a69dfd200 57 * An integer with each bit corresponding to associated DigitalInOut pin setting
gmatarrubia 0:820a69dfd200 58 */
gmatarrubia 0:820a69dfd200 59 int read();
gmatarrubia 0:820a69dfd200 60
gmatarrubia 0:820a69dfd200 61 /** Set as an output
gmatarrubia 0:820a69dfd200 62 */
gmatarrubia 0:820a69dfd200 63 void output();
gmatarrubia 0:820a69dfd200 64
gmatarrubia 0:820a69dfd200 65 /** Set as an input
gmatarrubia 0:820a69dfd200 66 */
gmatarrubia 0:820a69dfd200 67 void input();
gmatarrubia 0:820a69dfd200 68
gmatarrubia 0:820a69dfd200 69 /** Set the input pin mode
gmatarrubia 0:820a69dfd200 70 *
gmatarrubia 0:820a69dfd200 71 * @param mode PullUp, PullDown, PullNone
gmatarrubia 0:820a69dfd200 72 */
gmatarrubia 0:820a69dfd200 73 void mode(PinMode pull);
gmatarrubia 0:820a69dfd200 74
gmatarrubia 0:820a69dfd200 75 /** Binary mask of bus pins connected to actual pins (not NC pins)
gmatarrubia 0:820a69dfd200 76 * 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 77 *
gmatarrubia 0:820a69dfd200 78 * @returns
gmatarrubia 0:820a69dfd200 79 * Binary mask of connected pins
gmatarrubia 0:820a69dfd200 80 */
gmatarrubia 0:820a69dfd200 81 int mask() {
gmatarrubia 0:820a69dfd200 82 return _nc_mask;
gmatarrubia 0:820a69dfd200 83 }
gmatarrubia 0:820a69dfd200 84
gmatarrubia 0:820a69dfd200 85 #ifdef MBED_OPERATORS
gmatarrubia 0:820a69dfd200 86 /** A shorthand for write()
gmatarrubia 0:820a69dfd200 87 */
gmatarrubia 0:820a69dfd200 88 BusInOut& operator= (int v);
gmatarrubia 0:820a69dfd200 89 BusInOut& operator= (BusInOut& rhs);
gmatarrubia 0:820a69dfd200 90
gmatarrubia 0:820a69dfd200 91 /** Access to particular bit in random-iterator fashion
gmatarrubia 0:820a69dfd200 92 */
gmatarrubia 0:820a69dfd200 93 DigitalInOut& operator[] (int index);
gmatarrubia 0:820a69dfd200 94
gmatarrubia 0:820a69dfd200 95 /** A shorthand for read()
gmatarrubia 0:820a69dfd200 96 */
gmatarrubia 0:820a69dfd200 97 operator int();
gmatarrubia 0:820a69dfd200 98 #endif
gmatarrubia 0:820a69dfd200 99
gmatarrubia 0:820a69dfd200 100 protected:
gmatarrubia 0:820a69dfd200 101 DigitalInOut* _pin[16];
gmatarrubia 0:820a69dfd200 102
gmatarrubia 0:820a69dfd200 103 /** Mask of bus's NC pins
gmatarrubia 0:820a69dfd200 104 * If bit[n] is set to 1 - pin is connected
gmatarrubia 0:820a69dfd200 105 * if bit[n] is cleared - pin is not connected (NC)
gmatarrubia 0:820a69dfd200 106 */
gmatarrubia 0:820a69dfd200 107 int _nc_mask;
gmatarrubia 0:820a69dfd200 108
gmatarrubia 0:820a69dfd200 109 /* disallow copy constructor and assignment operators */
gmatarrubia 0:820a69dfd200 110 private:
gmatarrubia 0:820a69dfd200 111 BusInOut(const BusInOut&);
gmatarrubia 0:820a69dfd200 112 BusInOut & operator = (const BusInOut&);
gmatarrubia 0:820a69dfd200 113 };
gmatarrubia 0:820a69dfd200 114
gmatarrubia 0:820a69dfd200 115 } // namespace mbed
gmatarrubia 0:820a69dfd200 116
gmatarrubia 0:820a69dfd200 117 #endif