EmbeddedArtists AB / Mbed 2 deprecated lpc4088_ebb_gui_emwin

Graphical demo for the LPC4088 Experiment Base Board with one of the Display Expansion Kits. This program displays how to use the emWin library from Segger.

Dependencies:   EALib ewgui mbed

This program requires the emWin library. Instructions and more information.

EaLcdBoardGPIO.cpp@0:7f5765fcd048, 2015-07-14 (annotated)

Committer:
embeddedartists
Date:
Tue Jul 14 11:34:15 2015 +0000
Revision:
0:7f5765fcd048
First version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
embeddedartists 0:7f5765fcd048 1 /*
embeddedartists 0:7f5765fcd048 2 * Copyright 2013 Embedded Artists AB
embeddedartists 0:7f5765fcd048 3 *
embeddedartists 0:7f5765fcd048 4 * Licensed under the Apache License, Version 2.0 (the "License");
embeddedartists 0:7f5765fcd048 5 * you may not use this file except in compliance with the License.
embeddedartists 0:7f5765fcd048 6 * You may obtain a copy of the License at
embeddedartists 0:7f5765fcd048 7 *
embeddedartists 0:7f5765fcd048 8 * http://www.apache.org/licenses/LICENSE-2.0
embeddedartists 0:7f5765fcd048 9 *
embeddedartists 0:7f5765fcd048 10 * Unless required by applicable law or agreed to in writing, software
embeddedartists 0:7f5765fcd048 11 * distributed under the License is distributed on an "AS IS" BASIS,
embeddedartists 0:7f5765fcd048 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
embeddedartists 0:7f5765fcd048 13 * See the License for the specific language governing permissions and
embeddedartists 0:7f5765fcd048 14 * limitations under the License.
embeddedartists 0:7f5765fcd048 15 */
embeddedartists 0:7f5765fcd048 16
embeddedartists 0:7f5765fcd048 17 /******************************************************************************
embeddedartists 0:7f5765fcd048 18 * Includes
embeddedartists 0:7f5765fcd048 19 *****************************************************************************/
embeddedartists 0:7f5765fcd048 20
embeddedartists 0:7f5765fcd048 21 #include "mbed.h"
embeddedartists 0:7f5765fcd048 22 #include "EaLcdBoardGPIO.h"
embeddedartists 0:7f5765fcd048 23
embeddedartists 0:7f5765fcd048 24 /******************************************************************************
embeddedartists 0:7f5765fcd048 25 * Defines and typedefs
embeddedartists 0:7f5765fcd048 26 *****************************************************************************/
embeddedartists 0:7f5765fcd048 27
embeddedartists 0:7f5765fcd048 28
embeddedartists 0:7f5765fcd048 29 EaLcdBoardGPIO::EaLcdBoardGPIO(PinName sda, PinName scl)
embeddedartists 0:7f5765fcd048 30 : EaLcdBoard(sda, scl), /*pinWP(P4_15),*/ pin3v3(P2_0), pin5v(P2_21), pinDE(P2_11), pinContrast(P2_1)
embeddedartists 0:7f5765fcd048 31 {
embeddedartists 0:7f5765fcd048 32 pinContrast.period_ms(10);
embeddedartists 0:7f5765fcd048 33 setWriteProtect(true);
embeddedartists 0:7f5765fcd048 34 set3V3Signal(false);
embeddedartists 0:7f5765fcd048 35 set5VSignal(false);
embeddedartists 0:7f5765fcd048 36 setDisplayEnableSignal(false);
embeddedartists 0:7f5765fcd048 37 setBacklightContrast(0);
embeddedartists 0:7f5765fcd048 38 }
embeddedartists 0:7f5765fcd048 39
embeddedartists 0:7f5765fcd048 40
embeddedartists 0:7f5765fcd048 41 void EaLcdBoardGPIO::setWriteProtect(bool enable)
embeddedartists 0:7f5765fcd048 42 {
embeddedartists 0:7f5765fcd048 43 // Not Applicable
embeddedartists 0:7f5765fcd048 44 }
embeddedartists 0:7f5765fcd048 45
embeddedartists 0:7f5765fcd048 46 void EaLcdBoardGPIO::set3V3Signal(bool enabled) { //P2.0 L=3.3V on
embeddedartists 0:7f5765fcd048 47 if (enabled) {
embeddedartists 0:7f5765fcd048 48 pin3v3 = 0;
embeddedartists 0:7f5765fcd048 49 } else {
embeddedartists 0:7f5765fcd048 50 pin3v3 = 1;
embeddedartists 0:7f5765fcd048 51 }
embeddedartists 0:7f5765fcd048 52 }
embeddedartists 0:7f5765fcd048 53
embeddedartists 0:7f5765fcd048 54 void EaLcdBoardGPIO::set5VSignal(bool enabled) { //P2.21 H=5V on
embeddedartists 0:7f5765fcd048 55 if (enabled) {
embeddedartists 0:7f5765fcd048 56 pin5v = 1;
embeddedartists 0:7f5765fcd048 57 } else {
embeddedartists 0:7f5765fcd048 58 pin5v = 0;
embeddedartists 0:7f5765fcd048 59 }
embeddedartists 0:7f5765fcd048 60 }
embeddedartists 0:7f5765fcd048 61
embeddedartists 0:7f5765fcd048 62 void EaLcdBoardGPIO::setDisplayEnableSignal(bool enabled) { //P2.11 H=enabled
embeddedartists 0:7f5765fcd048 63 LPC_IOCON->P2_11 &= ~7; /* GPIO2[11] @ P2.11 */
embeddedartists 0:7f5765fcd048 64 if (enabled) {
embeddedartists 0:7f5765fcd048 65 pinDE = 1;
embeddedartists 0:7f5765fcd048 66 } else {
embeddedartists 0:7f5765fcd048 67 pinDE = 0;
embeddedartists 0:7f5765fcd048 68 }
embeddedartists 0:7f5765fcd048 69 }
embeddedartists 0:7f5765fcd048 70
embeddedartists 0:7f5765fcd048 71 void EaLcdBoardGPIO::setBacklightContrast(uint32_t value) { //P2.1, set to 4.30 for now
embeddedartists 0:7f5765fcd048 72 #if 0
embeddedartists 0:7f5765fcd048 73 LPC_IOCON->P2_1 &= ~7; /* GPIO2[1] @ P2.1 */
embeddedartists 0:7f5765fcd048 74 if (value > 50) {
embeddedartists 0:7f5765fcd048 75 pinContrast = 1;
embeddedartists 0:7f5765fcd048 76 } else {
embeddedartists 0:7f5765fcd048 77 pinContrast = 0;
embeddedartists 0:7f5765fcd048 78 }
embeddedartists 0:7f5765fcd048 79 #else
embeddedartists 0:7f5765fcd048 80 uint32_t tmp = LPC_IOCON->P2_1;
embeddedartists 0:7f5765fcd048 81 tmp &= ~7;
embeddedartists 0:7f5765fcd048 82 tmp |= 1;
embeddedartists 0:7f5765fcd048 83 LPC_IOCON->P2_1 = tmp; /* PWM2[1] @ P2.1 */
embeddedartists 0:7f5765fcd048 84 float f = value;
embeddedartists 0:7f5765fcd048 85 pinContrast = f/100.0f;
embeddedartists 0:7f5765fcd048 86 #endif
embeddedartists 0:7f5765fcd048 87
embeddedartists 0:7f5765fcd048 88 // if (value > 100) return;
embeddedartists 0:7f5765fcd048 89
embeddedartists 0:7f5765fcd048 90 // pca9532_setBlink0Duty(100-value);
embeddedartists 0:7f5765fcd048 91 // pca9532_setBlink0Period(0);
embeddedartists 0:7f5765fcd048 92 // pca9532_setBlink0Leds(LCDB_CTRL_BL_C);
embeddedartists 0:7f5765fcd048 93 }
embeddedartists 0:7f5765fcd048 94
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embeddedartists 0:7f5765fcd048 98