Embedded Artists / Mbed OS DMSupport

A board support package for the LPC4088 Display Module.

Dependencies:   DM_HttpServer DM_USBHost

Dependents:   lpc4088_displaymodule_emwin lpc4088_displaymodule_demo_sphere sampleGUI sampleEmptyGUI ... more

Fork of DMSupport by EmbeddedArtists AB

Display/BiosDisplay.cpp@42:bbfe299d4a0c, 2019-11-04 (annotated)

Committer:
embeddedartists
Date:
Mon Nov 04 14:32:50 2019 +0000
Revision:
42:bbfe299d4a0c
Parent:
41:e06e764ff4fd 
More updates related to mbed OS 5

Who changed what in which revision?

UserRevisionLine numberNew contents of line
embeddedartists 22:1a58a518435c 1 /*
embeddedartists 22:1a58a518435c 2 * Copyright 2014 Embedded Artists AB
embeddedartists 22:1a58a518435c 3 *
embeddedartists 22:1a58a518435c 4 * Licensed under the Apache License, Version 2.0 (the "License");
embeddedartists 22:1a58a518435c 5 * you may not use this file except in compliance with the License.
embeddedartists 22:1a58a518435c 6 * You may obtain a copy of the License at
embeddedartists 22:1a58a518435c 7 *
embeddedartists 22:1a58a518435c 8 * http://www.apache.org/licenses/LICENSE-2.0
embeddedartists 22:1a58a518435c 9 *
embeddedartists 22:1a58a518435c 10 * Unless required by applicable law or agreed to in writing, software
embeddedartists 22:1a58a518435c 11 * distributed under the License is distributed on an "AS IS" BASIS,
embeddedartists 22:1a58a518435c 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
embeddedartists 22:1a58a518435c 13 * See the License for the specific language governing permissions and
embeddedartists 22:1a58a518435c 14 * limitations under the License.
embeddedartists 22:1a58a518435c 15 */
embeddedartists 22:1a58a518435c 16
embeddedartists 22:1a58a518435c 17 #include "mbed.h"
embeddedartists 22:1a58a518435c 18 #include "BiosDisplay.h"
embeddedartists 22:1a58a518435c 19 #include "BiosLoader.h"
embeddedartists 22:1a58a518435c 20 #include "DMBoard.h"
embeddedartists 22:1a58a518435c 21 #include "bios.h"
embeddedartists 22:1a58a518435c 22
embeddedartists 22:1a58a518435c 23
embeddedartists 22:1a58a518435c 24 /******************************************************************************
embeddedartists 22:1a58a518435c 25 * Defines and typedefs
embeddedartists 22:1a58a518435c 26 *****************************************************************************/
embeddedartists 22:1a58a518435c 27
embeddedartists 22:1a58a518435c 28
embeddedartists 22:1a58a518435c 29 /******************************************************************************
embeddedartists 22:1a58a518435c 30 * Local variables
embeddedartists 22:1a58a518435c 31 *****************************************************************************/
embeddedartists 22:1a58a518435c 32
embeddedartists 22:1a58a518435c 33
embeddedartists 22:1a58a518435c 34 /******************************************************************************
embeddedartists 22:1a58a518435c 35 * Private Functions
embeddedartists 22:1a58a518435c 36 *****************************************************************************/
embeddedartists 22:1a58a518435c 37
embeddedartists 22:1a58a518435c 38 BiosDisplay::BiosDisplay() :
embeddedartists 22:1a58a518435c 39 _initialized(false),
embeddedartists 22:1a58a518435c 40 _poweredOn(false),
embeddedartists 22:1a58a518435c 41 _bios(NULL),
embeddedartists 22:1a58a518435c 42 _biosData(NULL),
embeddedartists 22:1a58a518435c 43 _width(0),
embeddedartists 22:1a58a518435c 44 _height(0),
embeddedartists 22:1a58a518435c 45 _bpp(0),
embeddedartists 22:1a58a518435c 46 _supportedRes(0),
embeddedartists 22:1a58a518435c 47 _activeRes(Res_16bit_rgb565),
embeddedartists 22:1a58a518435c 48 _landscape(false)
embeddedartists 22:1a58a518435c 49 {
embeddedartists 22:1a58a518435c 50 }
embeddedartists 22:1a58a518435c 51
embeddedartists 22:1a58a518435c 52 BiosDisplay::~BiosDisplay()
embeddedartists 22:1a58a518435c 53 {
embeddedartists 22:1a58a518435c 54 // _bios and _biosData are deallocated by BiosLoader
embeddedartists 22:1a58a518435c 55 }
embeddedartists 22:1a58a518435c 56
embeddedartists 22:1a58a518435c 57
embeddedartists 22:1a58a518435c 58 /******************************************************************************
embeddedartists 22:1a58a518435c 59 * Public Functions
embeddedartists 22:1a58a518435c 60 *****************************************************************************/
embeddedartists 22:1a58a518435c 61
embeddedartists 22:1a58a518435c 62 BiosDisplay::DisplayError BiosDisplay::init()
embeddedartists 22:1a58a518435c 63 {
embeddedartists 22:1a58a518435c 64 DisplayError err = DisplayError_Ok;
embeddedartists 22:1a58a518435c 65 if (!_initialized) {
embeddedartists 22:1a58a518435c 66 do {
embeddedartists 41:e06e764ff4fd 67
embeddedartists 41:e06e764ff4fd 68 /*
embeddedartists 41:e06e764ff4fd 69 * With mbed OS 5 the LCD controller is reset by default. This is set in
embeddedartists 41:e06e764ff4fd 70 * system_LPC407x_8x_177x_8x.c "to prevent strange behavior when doing a
embeddedartists 41:e06e764ff4fd 71 * partial reset (happens when debugging)". Taking the LCD controller
embeddedartists 41:e06e764ff4fd 72 * out of reset below.
embeddedartists 41:e06e764ff4fd 73 */
embeddedartists 41:e06e764ff4fd 74 LPC_SC->RSTCON0 &= ~0x1;
embeddedartists 41:e06e764ff4fd 75
embeddedartists 22:1a58a518435c 76 if (BiosLoader::instance().params(&_bios, &_biosData) != DMBoard::Ok) {
embeddedartists 22:1a58a518435c 77 err = DisplayError_ConfigError;
embeddedartists 22:1a58a518435c 78 break;
embeddedartists 22:1a58a518435c 79 }
embeddedartists 41:e06e764ff4fd 80
embeddedartists 22:1a58a518435c 81 err = (DisplayError)_bios->displayInit(_biosData);
embeddedartists 22:1a58a518435c 82 if (err != DisplayError_Ok) {
embeddedartists 22:1a58a518435c 83 break;
embeddedartists 22:1a58a518435c 84 }
embeddedartists 22:1a58a518435c 85
embeddedartists 22:1a58a518435c 86 err = (DisplayError)_bios->displayInformation(_biosData, &_width, &_height, &_bpp, &_landscape, &_supportedRes, &_activeRes);
embeddedartists 22:1a58a518435c 87 if (err != DisplayError_Ok) {
embeddedartists 22:1a58a518435c 88 break;
embeddedartists 22:1a58a518435c 89 }
embeddedartists 41:e06e764ff4fd 90
embeddedartists 22:1a58a518435c 91 _initialized = true;
embeddedartists 22:1a58a518435c 92 } while(0);
embeddedartists 22:1a58a518435c 93 }
embeddedartists 22:1a58a518435c 94 return err;
embeddedartists 22:1a58a518435c 95 }
embeddedartists 22:1a58a518435c 96
alindvall 39:e1cb4dd9bfeb 97 BiosDisplay::DisplayError BiosDisplay::powerUp(void* framebuffer, Display::Resolution res, FrameRate_t rate)
embeddedartists 22:1a58a518435c 98 {
embeddedartists 22:1a58a518435c 99 DisplayError err = DisplayError_Ok;
embeddedartists 22:1a58a518435c 100 if (!_poweredOn) {
embeddedartists 22:1a58a518435c 101 err = init();
embeddedartists 22:1a58a518435c 102 if (err == DisplayError_Ok) {
embeddedartists 22:1a58a518435c 103 do {
embeddedartists 41:e06e764ff4fd 104
alindvall 39:e1cb4dd9bfeb 105 err = (DisplayError)_bios->displayPowerUp(_biosData, framebuffer, (Resolution_t)res, rate);
embeddedartists 22:1a58a518435c 106
embeddedartists 22:1a58a518435c 107 if (err != DisplayError_Ok) {
embeddedartists 22:1a58a518435c 108 break;
embeddedartists 22:1a58a518435c 109 }
embeddedartists 22:1a58a518435c 110
embeddedartists 22:1a58a518435c 111 err = (DisplayError)_bios->displayInformation(_biosData, &_width, &_height, &_bpp, &_landscape, &_supportedRes, &_activeRes);
embeddedartists 22:1a58a518435c 112 if (err != DisplayError_Ok) {
embeddedartists 22:1a58a518435c 113 break;
embeddedartists 22:1a58a518435c 114 }
embeddedartists 22:1a58a518435c 115
embeddedartists 22:1a58a518435c 116 _poweredOn = true;
embeddedartists 22:1a58a518435c 117 } while(0);
embeddedartists 22:1a58a518435c 118 }
embeddedartists 22:1a58a518435c 119 }
embeddedartists 22:1a58a518435c 120 return err;
embeddedartists 22:1a58a518435c 121 }
embeddedartists 22:1a58a518435c 122
embeddedartists 22:1a58a518435c 123 BiosDisplay::DisplayError BiosDisplay::powerDown()
embeddedartists 22:1a58a518435c 124 {
embeddedartists 22:1a58a518435c 125 DisplayError err = DisplayError_Ok;
embeddedartists 22:1a58a518435c 126 if (_poweredOn) {
embeddedartists 22:1a58a518435c 127 err = (DisplayError)_bios->displayPowerDown(_biosData);
embeddedartists 22:1a58a518435c 128 _poweredOn = false;
embeddedartists 22:1a58a518435c 129 }
embeddedartists 22:1a58a518435c 130 return err;
embeddedartists 22:1a58a518435c 131 }
embeddedartists 22:1a58a518435c 132
embeddedartists 22:1a58a518435c 133 BiosDisplay::DisplayError BiosDisplay::backlight(int percent)
embeddedartists 22:1a58a518435c 134 {
embeddedartists 22:1a58a518435c 135 DisplayError err = DisplayError_Ok;
embeddedartists 22:1a58a518435c 136 if (!_initialized) {
embeddedartists 22:1a58a518435c 137 err = DisplayError_NoInit;
embeddedartists 22:1a58a518435c 138 } else {
embeddedartists 22:1a58a518435c 139 err = (DisplayError)_bios->displayBacklight(_biosData, percent);
embeddedartists 22:1a58a518435c 140 }
embeddedartists 22:1a58a518435c 141 return err;
embeddedartists 22:1a58a518435c 142 }
embeddedartists 22:1a58a518435c 143
embeddedartists 22:1a58a518435c 144 uint16_t BiosDisplay::width()
embeddedartists 22:1a58a518435c 145 {
embeddedartists 22:1a58a518435c 146 return _width;
embeddedartists 22:1a58a518435c 147 }
embeddedartists 22:1a58a518435c 148
embeddedartists 22:1a58a518435c 149 uint16_t BiosDisplay::height()
embeddedartists 22:1a58a518435c 150 {
embeddedartists 22:1a58a518435c 151 return _height;
embeddedartists 22:1a58a518435c 152 }
embeddedartists 22:1a58a518435c 153
embeddedartists 22:1a58a518435c 154 uint16_t BiosDisplay::bytesPerPixel()
embeddedartists 22:1a58a518435c 155 {
embeddedartists 22:1a58a518435c 156 return _bpp;
embeddedartists 22:1a58a518435c 157 }
embeddedartists 22:1a58a518435c 158
embeddedartists 22:1a58a518435c 159 uint32_t BiosDisplay::fbSize()
embeddedartists 22:1a58a518435c 160 {
embeddedartists 22:1a58a518435c 161 return _width * _height * _bpp;
embeddedartists 22:1a58a518435c 162 }
embeddedartists 22:1a58a518435c 163
embeddedartists 22:1a58a518435c 164 bool BiosDisplay::landscape()
embeddedartists 22:1a58a518435c 165 {
embeddedartists 22:1a58a518435c 166 return _landscape;
embeddedartists 22:1a58a518435c 167 }
embeddedartists 22:1a58a518435c 168
embeddedartists 22:1a58a518435c 169 void* BiosDisplay::allocateFramebuffer(Display::Resolution res)
embeddedartists 22:1a58a518435c 170 {
embeddedartists 22:1a58a518435c 171 if (_initialized) {
alindvall 39:e1cb4dd9bfeb 172 return malloc(_width*_height*bpp(res));
embeddedartists 22:1a58a518435c 173 }
embeddedartists 22:1a58a518435c 174 return NULL;
embeddedartists 22:1a58a518435c 175 }
embeddedartists 22:1a58a518435c 176
embeddedartists 31:d47cffcb0a3e 177 void* BiosDisplay::allocateFramebuffers(uint32_t num, Display::Resolution res)
embeddedartists 31:d47cffcb0a3e 178 {
embeddedartists 31:d47cffcb0a3e 179 if (_initialized && num>0) {
alindvall 39:e1cb4dd9bfeb 180 return malloc(_width*_height*bpp(res)*num);
embeddedartists 31:d47cffcb0a3e 181 }
embeddedartists 31:d47cffcb0a3e 182 return NULL;
embeddedartists 31:d47cffcb0a3e 183 }
embeddedartists 31:d47cffcb0a3e 184
embeddedartists 22:1a58a518435c 185 void BiosDisplay::setFramebuffer(void* buff)
embeddedartists 22:1a58a518435c 186 {
embeddedartists 22:1a58a518435c 187 LPC_LCD->UPBASE = (uint32_t)buff;
embeddedartists 22:1a58a518435c 188 }
embeddedartists 22:1a58a518435c 189
embeddedartists 22:1a58a518435c 190 void* BiosDisplay::swapFramebuffer(void* buff)
embeddedartists 22:1a58a518435c 191 {
embeddedartists 22:1a58a518435c 192 uint32_t old = LPC_LCD->UPBASE;
embeddedartists 22:1a58a518435c 193 LPC_LCD->UPBASE = (uint32_t)buff;
embeddedartists 22:1a58a518435c 194 return (void*)old;
embeddedartists 22:1a58a518435c 195 }
embeddedartists 22:1a58a518435c 196
embeddedartists 22:1a58a518435c 197 bool BiosDisplay::isSupported(Display::Resolution res)
embeddedartists 22:1a58a518435c 198 {
embeddedartists 22:1a58a518435c 199 return (_supportedRes & res);
embeddedartists 22:1a58a518435c 200 }
embeddedartists 22:1a58a518435c 201
embeddedartists 22:1a58a518435c 202 BiosDisplay::Resolution BiosDisplay::currentResolution()
embeddedartists 22:1a58a518435c 203 {
embeddedartists 22:1a58a518435c 204 return (Resolution)_activeRes;
embeddedartists 22:1a58a518435c 205 }