EmbeddedArtists AB / Mbed 2 deprecated lpc4088_ebb_ptp

Production Test Program (PTP) for the LPC4088 Experiment Base Board

Dependencies:   EALib I2S LM75B SDFileSystem mbed

EaLcdBoardGPIO.cpp@9:eb6086159020, 2014-10-01 (annotated)

Committer:
embeddedartists
Date:
Wed Oct 01 11:16:38 2014 +0000
Revision:
9:eb6086159020
Parent:
1:47680ec5d783 
Updated used libraries

Who changed what in which revision?

UserRevisionLine numberNew contents of line
embeddedartists 1:47680ec5d783 1 /*
embeddedartists 1:47680ec5d783 2 * Copyright 2013 Embedded Artists AB
embeddedartists 1:47680ec5d783 3 *
embeddedartists 1:47680ec5d783 4 * Licensed under the Apache License, Version 2.0 (the "License");
embeddedartists 1:47680ec5d783 5 * you may not use this file except in compliance with the License.
embeddedartists 1:47680ec5d783 6 * You may obtain a copy of the License at
embeddedartists 1:47680ec5d783 7 *
embeddedartists 1:47680ec5d783 8 * http://www.apache.org/licenses/LICENSE-2.0
embeddedartists 1:47680ec5d783 9 *
embeddedartists 1:47680ec5d783 10 * Unless required by applicable law or agreed to in writing, software
embeddedartists 1:47680ec5d783 11 * distributed under the License is distributed on an "AS IS" BASIS,
embeddedartists 1:47680ec5d783 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
embeddedartists 1:47680ec5d783 13 * See the License for the specific language governing permissions and
embeddedartists 1:47680ec5d783 14 * limitations under the License.
embeddedartists 1:47680ec5d783 15 */
embeddedartists 1:47680ec5d783 16
embeddedartists 1:47680ec5d783 17 /******************************************************************************
embeddedartists 1:47680ec5d783 18 * Includes
embeddedartists 1:47680ec5d783 19 *****************************************************************************/
embeddedartists 1:47680ec5d783 20
embeddedartists 1:47680ec5d783 21 #include "mbed.h"
embeddedartists 1:47680ec5d783 22 #include "EaLcdBoardGPIO.h"
embeddedartists 1:47680ec5d783 23
embeddedartists 1:47680ec5d783 24 /******************************************************************************
embeddedartists 1:47680ec5d783 25 * Defines and typedefs
embeddedartists 1:47680ec5d783 26 *****************************************************************************/
embeddedartists 1:47680ec5d783 27
embeddedartists 1:47680ec5d783 28
embeddedartists 1:47680ec5d783 29 EaLcdBoardGPIO::EaLcdBoardGPIO(PinName sda, PinName scl)
embeddedartists 1:47680ec5d783 30 : EaLcdBoard(sda, scl), /*pinWP(P4_15),*/ pin3v3(P2_0), pin5v(P2_21), pinDE(P2_11), pinContrast(P2_1)
embeddedartists 1:47680ec5d783 31 {
embeddedartists 1:47680ec5d783 32 pinContrast.period_ms(10);
embeddedartists 1:47680ec5d783 33 setWriteProtect(true);
embeddedartists 1:47680ec5d783 34 set3V3Signal(false);
embeddedartists 1:47680ec5d783 35 set5VSignal(false);
embeddedartists 1:47680ec5d783 36 setDisplayEnableSignal(false);
embeddedartists 1:47680ec5d783 37 setBacklightContrast(0);
embeddedartists 1:47680ec5d783 38 }
embeddedartists 1:47680ec5d783 39
embeddedartists 1:47680ec5d783 40
embeddedartists 1:47680ec5d783 41 void EaLcdBoardGPIO::setWriteProtect(bool enable)
embeddedartists 1:47680ec5d783 42 {
embeddedartists 1:47680ec5d783 43 // Not Applicable
embeddedartists 1:47680ec5d783 44 }
embeddedartists 1:47680ec5d783 45
embeddedartists 1:47680ec5d783 46 void EaLcdBoardGPIO::set3V3Signal(bool enabled) { //P2.0 L=3.3V on
embeddedartists 1:47680ec5d783 47 if (enabled) {
embeddedartists 1:47680ec5d783 48 pin3v3 = 0;
embeddedartists 1:47680ec5d783 49 } else {
embeddedartists 1:47680ec5d783 50 pin3v3 = 1;
embeddedartists 1:47680ec5d783 51 }
embeddedartists 1:47680ec5d783 52 }
embeddedartists 1:47680ec5d783 53
embeddedartists 1:47680ec5d783 54 void EaLcdBoardGPIO::set5VSignal(bool enabled) { //P2.21 H=5V on
embeddedartists 1:47680ec5d783 55 if (enabled) {
embeddedartists 1:47680ec5d783 56 pin5v = 1;
embeddedartists 1:47680ec5d783 57 } else {
embeddedartists 1:47680ec5d783 58 pin5v = 0;
embeddedartists 1:47680ec5d783 59 }
embeddedartists 1:47680ec5d783 60 }
embeddedartists 1:47680ec5d783 61
embeddedartists 1:47680ec5d783 62 void EaLcdBoardGPIO::setDisplayEnableSignal(bool enabled) { //P2.11 H=enabled
embeddedartists 1:47680ec5d783 63 LPC_IOCON->P2_11 &= ~7; /* GPIO2[11] @ P2.11 */
embeddedartists 1:47680ec5d783 64 if (enabled) {
embeddedartists 1:47680ec5d783 65 pinDE = 1;
embeddedartists 1:47680ec5d783 66 } else {
embeddedartists 1:47680ec5d783 67 pinDE = 0;
embeddedartists 1:47680ec5d783 68 }
embeddedartists 1:47680ec5d783 69 }
embeddedartists 1:47680ec5d783 70
embeddedartists 1:47680ec5d783 71 void EaLcdBoardGPIO::setBacklightContrast(uint32_t value) { //P2.1, set to 4.30 for now
embeddedartists 1:47680ec5d783 72 #if 0
embeddedartists 1:47680ec5d783 73 LPC_IOCON->P2_1 &= ~7; /* GPIO2[1] @ P2.1 */
embeddedartists 1:47680ec5d783 74 if (value > 50) {
embeddedartists 1:47680ec5d783 75 pinContrast = 1;
embeddedartists 1:47680ec5d783 76 } else {
embeddedartists 1:47680ec5d783 77 pinContrast = 0;
embeddedartists 1:47680ec5d783 78 }
embeddedartists 1:47680ec5d783 79 #else
embeddedartists 1:47680ec5d783 80 uint32_t tmp = LPC_IOCON->P2_1;
embeddedartists 1:47680ec5d783 81 tmp &= ~7;
embeddedartists 1:47680ec5d783 82 tmp |= 1;
embeddedartists 1:47680ec5d783 83 LPC_IOCON->P2_1 = tmp; /* PWM2[1] @ P2.1 */
embeddedartists 1:47680ec5d783 84 float f = value;
embeddedartists 1:47680ec5d783 85 pinContrast = f/100.0f;
embeddedartists 1:47680ec5d783 86 #endif
embeddedartists 1:47680ec5d783 87
embeddedartists 1:47680ec5d783 88 // if (value > 100) return;
embeddedartists 1:47680ec5d783 89
embeddedartists 1:47680ec5d783 90 // pca9532_setBlink0Duty(100-value);
embeddedartists 1:47680ec5d783 91 // pca9532_setBlink0Period(0);
embeddedartists 1:47680ec5d783 92 // pca9532_setBlink0Leds(LCDB_CTRL_BL_C);
embeddedartists 1:47680ec5d783 93 }
embeddedartists 1:47680ec5d783 94
embeddedartists 1:47680ec5d783 95
embeddedartists 1:47680ec5d783 96