Damien GORISSE / Mbed 2 deprecated MiniProjet_DG

Description dans le rapport.

Dependencies:   mbed

LED_Bar.cpp@0:34945468db9f, 2017-04-02 (annotated)

Committer:
Damien75
Date:
Sun Apr 02 09:48:30 2017 +0000
Revision:
0:34945468db9f
Projet C++ embarqu? MBED; Damien et Nicolas

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Damien75 0:34945468db9f 1 /*
Damien75 0:34945468db9f 2 LED bar library V1.0
Damien75 0:34945468db9f 3 2010 Copyright (c) Seeed Technology Inc. All right reserved.
Damien75 0:34945468db9f 4
Damien75 0:34945468db9f 5 Original Author: LG
Damien75 0:34945468db9f 6
Damien75 0:34945468db9f 7 Modify: Mihail Stoyanov (mihail.stoyanov@arm.com) for ARM mbed, 2014-07-30
Damien75 0:34945468db9f 8 User can choose which Io to be used.
Damien75 0:34945468db9f 9 This library is free software; you can redistribute it and/or
Damien75 0:34945468db9f 10 modify it under the terms of the GNU Lesser General Public
Damien75 0:34945468db9f 11 License as published by the Free Software Foundation; either
Damien75 0:34945468db9f 12 version 2.1 of the License, or (at your option) any later version.
Damien75 0:34945468db9f 13
Damien75 0:34945468db9f 14 This library is distributed in the hope that it will be useful,
Damien75 0:34945468db9f 15 but WITHOUT ANY WARRANTY; without even the implied warranty of
Damien75 0:34945468db9f 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Damien75 0:34945468db9f 17 Lesser General Public License for more details.
Damien75 0:34945468db9f 18
Damien75 0:34945468db9f 19 You should have received a copy of the GNU Lesser General Public
Damien75 0:34945468db9f 20 License along with this library; if not, write to the Free Software
Damien75 0:34945468db9f 21 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Damien75 0:34945468db9f 22 */
Damien75 0:34945468db9f 23
Damien75 0:34945468db9f 24 #include "LED_Bar.h"
Damien75 0:34945468db9f 25
Damien75 0:34945468db9f 26 LED_Bar::LED_Bar(PinName pinClk, PinName pinDta) : __pinClk(pinClk), __pinDta(pinDta)
Damien75 0:34945468db9f 27 {
Damien75 0:34945468db9f 28 __led_state = 0x00;
Damien75 0:34945468db9f 29 }
Damien75 0:34945468db9f 30
Damien75 0:34945468db9f 31 void LED_Bar::latchData()
Damien75 0:34945468db9f 32 {
Damien75 0:34945468db9f 33 __pinDta = 0;
Damien75 0:34945468db9f 34 wait_us(10);
Damien75 0:34945468db9f 35
Damien75 0:34945468db9f 36 for(int i=0; i<4; i++) {
Damien75 0:34945468db9f 37 __pinDta = 1;
Damien75 0:34945468db9f 38 __pinDta = 0;
Damien75 0:34945468db9f 39 }
Damien75 0:34945468db9f 40
Damien75 0:34945468db9f 41 }
Damien75 0:34945468db9f 42
Damien75 0:34945468db9f 43 void LED_Bar::send16bitData(unsigned int data)
Damien75 0:34945468db9f 44 {
Damien75 0:34945468db9f 45 for(int i=0; i<16; i++) {
Damien75 0:34945468db9f 46 unsigned int state = data & 0x8000 ? 1 : 0;
Damien75 0:34945468db9f 47 __pinDta = state;
Damien75 0:34945468db9f 48
Damien75 0:34945468db9f 49 state = __pinClk ? 0 : 1;
Damien75 0:34945468db9f 50 __pinClk = state;
Damien75 0:34945468db9f 51
Damien75 0:34945468db9f 52 data <<= 1;
Damien75 0:34945468db9f 53 }
Damien75 0:34945468db9f 54 }
Damien75 0:34945468db9f 55
Damien75 0:34945468db9f 56 void LED_Bar::ledIndexBit(unsigned int index_bits)
Damien75 0:34945468db9f 57 {
Damien75 0:34945468db9f 58
Damien75 0:34945468db9f 59 send16bitData(CMDMODE);
Damien75 0:34945468db9f 60
Damien75 0:34945468db9f 61 for (int i=0; i<12; i++) {
Damien75 0:34945468db9f 62 unsigned int state = (index_bits&0x0001) ? ON : SHUT;
Damien75 0:34945468db9f 63 send16bitData(state);
Damien75 0:34945468db9f 64
Damien75 0:34945468db9f 65 index_bits = index_bits>>1;
Damien75 0:34945468db9f 66 }
Damien75 0:34945468db9f 67
Damien75 0:34945468db9f 68 latchData();
Damien75 0:34945468db9f 69 }
Damien75 0:34945468db9f 70
Damien75 0:34945468db9f 71 void LED_Bar::setLevel(int level)
Damien75 0:34945468db9f 72 {
Damien75 0:34945468db9f 73
Damien75 0:34945468db9f 74 if(level>10)return;
Damien75 0:34945468db9f 75
Damien75 0:34945468db9f 76 send16bitData(CMDMODE);
Damien75 0:34945468db9f 77
Damien75 0:34945468db9f 78 for(int i=0; i<12; i++) {
Damien75 0:34945468db9f 79 unsigned int state1 = (i<level) ? ON : SHUT;
Damien75 0:34945468db9f 80
Damien75 0:34945468db9f 81 send16bitData(state1);
Damien75 0:34945468db9f 82 }
Damien75 0:34945468db9f 83
Damien75 0:34945468db9f 84 latchData();
Damien75 0:34945468db9f 85 }
Damien75 0:34945468db9f 86
Damien75 0:34945468db9f 87 void LED_Bar::setSingleLed(int num, int st)
Damien75 0:34945468db9f 88 {
Damien75 0:34945468db9f 89 if(num>10)return;
Damien75 0:34945468db9f 90 __led_state = st ? (__led_state | (0x01<<num)) : (__led_state & ~(0x01<<num));
Damien75 0:34945468db9f 91 ledIndexBit(__led_state);
Damien75 0:34945468db9f 92
Damien75 0:34945468db9f 93 }