rau cha / mbed-src-I2CWaitFix

fix for mbed lib issue 3 (i2c problem) see also https://mbed.org/users/mbed_official/code/mbed/issues/3 affected implementations: LPC812, LPC11U24, LPC1768, LPC2368, LPC4088

Fork of mbed-src by mbed official

common/BusIn.cpp@13:bd9ff402dd42, 2013-08-05 (annotated)

Committer:
Shikaneo
Date:
Mon Aug 05 02:27:27 2013 +0000
Revision:
13:bd9ff402dd42
Parent:
10:3bc89ef62ce7 
equipped timeout

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 10:3bc89ef62ce7 1 /* mbed Microcontroller Library
emilmont 10:3bc89ef62ce7 2 * Copyright (c) 2006-2013 ARM Limited
emilmont 10:3bc89ef62ce7 3 *
emilmont 10:3bc89ef62ce7 4 * Licensed under the Apache License, Version 2.0 (the "License");
emilmont 10:3bc89ef62ce7 5 * you may not use this file except in compliance with the License.
emilmont 10:3bc89ef62ce7 6 * You may obtain a copy of the License at
emilmont 10:3bc89ef62ce7 7 *
emilmont 10:3bc89ef62ce7 8 * http://www.apache.org/licenses/LICENSE-2.0
emilmont 10:3bc89ef62ce7 9 *
emilmont 10:3bc89ef62ce7 10 * Unless required by applicable law or agreed to in writing, software
emilmont 10:3bc89ef62ce7 11 * distributed under the License is distributed on an "AS IS" BASIS,
emilmont 10:3bc89ef62ce7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
emilmont 10:3bc89ef62ce7 13 * See the License for the specific language governing permissions and
emilmont 10:3bc89ef62ce7 14 * limitations under the License.
emilmont 10:3bc89ef62ce7 15 */
emilmont 10:3bc89ef62ce7 16 #include "BusIn.h"
emilmont 10:3bc89ef62ce7 17
emilmont 10:3bc89ef62ce7 18 namespace mbed {
emilmont 10:3bc89ef62ce7 19
emilmont 10:3bc89ef62ce7 20 BusIn::BusIn(PinName p0, PinName p1, PinName p2, PinName p3, PinName p4, PinName p5, PinName p6, PinName p7, PinName p8, PinName p9, PinName p10, PinName p11, PinName p12, PinName p13, PinName p14, PinName p15) {
emilmont 10:3bc89ef62ce7 21 PinName pins[16] = {p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, p15};
emilmont 10:3bc89ef62ce7 22
emilmont 10:3bc89ef62ce7 23 for (int i=0; i<16; i++) {
emilmont 10:3bc89ef62ce7 24 _pin[i] = (pins[i] != NC) ? new DigitalIn(pins[i]) : 0;
emilmont 10:3bc89ef62ce7 25 }
emilmont 10:3bc89ef62ce7 26 }
emilmont 10:3bc89ef62ce7 27
emilmont 10:3bc89ef62ce7 28 BusIn::BusIn(PinName pins[16]) {
emilmont 10:3bc89ef62ce7 29 for (int i=0; i<16; i++) {
emilmont 10:3bc89ef62ce7 30 _pin[i] = (pins[i] != NC) ? new DigitalIn(pins[i]) : 0;
emilmont 10:3bc89ef62ce7 31 }
emilmont 10:3bc89ef62ce7 32 }
emilmont 10:3bc89ef62ce7 33
emilmont 10:3bc89ef62ce7 34 BusIn::~BusIn() {
emilmont 10:3bc89ef62ce7 35 for (int i=0; i<16; i++) {
emilmont 10:3bc89ef62ce7 36 if (_pin[i] != 0) {
emilmont 10:3bc89ef62ce7 37 delete _pin[i];
emilmont 10:3bc89ef62ce7 38 }
emilmont 10:3bc89ef62ce7 39 }
emilmont 10:3bc89ef62ce7 40 }
emilmont 10:3bc89ef62ce7 41
emilmont 10:3bc89ef62ce7 42 int BusIn::read() {
emilmont 10:3bc89ef62ce7 43 int v = 0;
emilmont 10:3bc89ef62ce7 44 for (int i=0; i<16; i++) {
emilmont 10:3bc89ef62ce7 45 if (_pin[i] != 0) {
emilmont 10:3bc89ef62ce7 46 v |= _pin[i]->read() << i;
emilmont 10:3bc89ef62ce7 47 }
emilmont 10:3bc89ef62ce7 48 }
emilmont 10:3bc89ef62ce7 49 return v;
emilmont 10:3bc89ef62ce7 50 }
emilmont 10:3bc89ef62ce7 51
emilmont 10:3bc89ef62ce7 52 #ifdef MBED_OPERATORS
emilmont 10:3bc89ef62ce7 53 BusIn::operator int() {
emilmont 10:3bc89ef62ce7 54 return read();
emilmont 10:3bc89ef62ce7 55 }
emilmont 10:3bc89ef62ce7 56 #endif
emilmont 10:3bc89ef62ce7 57
emilmont 10:3bc89ef62ce7 58 } // namespace mbed