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/BusOut.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_BUSOUT_H
gmatarrubia 0:820a69dfd200 17 #define MBED_BUSOUT_H
gmatarrubia 0:820a69dfd200 18
gmatarrubia 0:820a69dfd200 19 #include "DigitalOut.h"
gmatarrubia 0:820a69dfd200 20
gmatarrubia 0:820a69dfd200 21 namespace mbed {
gmatarrubia 0:820a69dfd200 22
gmatarrubia 0:820a69dfd200 23 /** A digital output bus, used for setting the state of a collection of pins
gmatarrubia 0:820a69dfd200 24 */
gmatarrubia 0:820a69dfd200 25 class BusOut {
gmatarrubia 0:820a69dfd200 26
gmatarrubia 0:820a69dfd200 27 public:
gmatarrubia 0:820a69dfd200 28
gmatarrubia 0:820a69dfd200 29 /** Create an BusOut, connected to the specified pins
gmatarrubia 0:820a69dfd200 30 *
gmatarrubia 0:820a69dfd200 31 * @param p<n> DigitalOut pin to connect to bus bit <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 BusOut(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 BusOut(PinName pins[16]);
gmatarrubia 0:820a69dfd200 43
gmatarrubia 0:820a69dfd200 44 virtual ~BusOut();
gmatarrubia 0:820a69dfd200 45
gmatarrubia 0:820a69dfd200 46 /** Write the value to the output bus
gmatarrubia 0:820a69dfd200 47 *
gmatarrubia 0:820a69dfd200 48 * @param value An integer specifying a bit to write for every corresponding DigitalOut pin
gmatarrubia 0:820a69dfd200 49 */
gmatarrubia 0:820a69dfd200 50 void write(int value);
gmatarrubia 0:820a69dfd200 51
gmatarrubia 0:820a69dfd200 52 /** Read the value currently output on the bus
gmatarrubia 0:820a69dfd200 53 *
gmatarrubia 0:820a69dfd200 54 * @returns
gmatarrubia 0:820a69dfd200 55 * An integer with each bit corresponding to associated DigitalOut pin setting
gmatarrubia 0:820a69dfd200 56 */
gmatarrubia 0:820a69dfd200 57 int read();
gmatarrubia 0:820a69dfd200 58
gmatarrubia 0:820a69dfd200 59 /** Binary mask of bus pins connected to actual pins (not NC pins)
gmatarrubia 0:820a69dfd200 60 * 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 61 *
gmatarrubia 0:820a69dfd200 62 * @returns
gmatarrubia 0:820a69dfd200 63 * Binary mask of connected pins
gmatarrubia 0:820a69dfd200 64 */
gmatarrubia 0:820a69dfd200 65 int mask() {
gmatarrubia 0:820a69dfd200 66 return _nc_mask;
gmatarrubia 0:820a69dfd200 67 }
gmatarrubia 0:820a69dfd200 68
gmatarrubia 0:820a69dfd200 69 #ifdef MBED_OPERATORS
gmatarrubia 0:820a69dfd200 70 /** A shorthand for write()
gmatarrubia 0:820a69dfd200 71 */
gmatarrubia 0:820a69dfd200 72 BusOut& operator= (int v);
gmatarrubia 0:820a69dfd200 73 BusOut& operator= (BusOut& rhs);
gmatarrubia 0:820a69dfd200 74
gmatarrubia 0:820a69dfd200 75 /** Access to particular bit in random-iterator fashion
gmatarrubia 0:820a69dfd200 76 */
gmatarrubia 0:820a69dfd200 77 DigitalOut& operator[] (int index);
gmatarrubia 0:820a69dfd200 78
gmatarrubia 0:820a69dfd200 79 /** A shorthand for read()
gmatarrubia 0:820a69dfd200 80 */
gmatarrubia 0:820a69dfd200 81 operator int();
gmatarrubia 0:820a69dfd200 82 #endif
gmatarrubia 0:820a69dfd200 83
gmatarrubia 0:820a69dfd200 84 protected:
gmatarrubia 0:820a69dfd200 85 DigitalOut* _pin[16];
gmatarrubia 0:820a69dfd200 86
gmatarrubia 0:820a69dfd200 87 /** Mask of bus's NC pins
gmatarrubia 0:820a69dfd200 88 * If bit[n] is set to 1 - pin is connected
gmatarrubia 0:820a69dfd200 89 * if bit[n] is cleared - pin is not connected (NC)
gmatarrubia 0:820a69dfd200 90 */
gmatarrubia 0:820a69dfd200 91 int _nc_mask;
gmatarrubia 0:820a69dfd200 92
gmatarrubia 0:820a69dfd200 93 /* disallow copy constructor and assignment operators */
gmatarrubia 0:820a69dfd200 94 private:
gmatarrubia 0:820a69dfd200 95 BusOut(const BusOut&);
gmatarrubia 0:820a69dfd200 96 BusOut & operator = (const BusOut&);
gmatarrubia 0:820a69dfd200 97 };
gmatarrubia 0:820a69dfd200 98
gmatarrubia 0:820a69dfd200 99 } // namespace mbed
gmatarrubia 0:820a69dfd200 100
gmatarrubia 0:820a69dfd200 101 #endif