EmbeddedArtists AB / Mbed 2 deprecated app_lcdboard_demo_picture

Example for the LPC4088 QSB Base Board

Dependencies:   EALib mbed

main.cpp@3:33a36d79ab7d, 2014-04-09 (annotated)

Committer:
embeddedartists
Date:
Wed Apr 09 10:26:13 2014 +0000
Revision:
3:33a36d79ab7d
Parent:
0:83b8ee8e8d4b 
Updated to latest version of EALib

Who changed what in which revision?

UserRevisionLine numberNew contents of line
embeddedartists 0:83b8ee8e8d4b 1 /******************************************************************************
embeddedartists 0:83b8ee8e8d4b 2 * Includes
embeddedartists 0:83b8ee8e8d4b 3 *****************************************************************************/
embeddedartists 0:83b8ee8e8d4b 4
embeddedartists 0:83b8ee8e8d4b 5 #include "mbed.h"
embeddedartists 0:83b8ee8e8d4b 6
embeddedartists 0:83b8ee8e8d4b 7 #include "LcdController.h"
embeddedartists 0:83b8ee8e8d4b 8 #include "EaLcdBoard.h"
embeddedartists 0:83b8ee8e8d4b 9 #include "sdram.h"
embeddedartists 0:83b8ee8e8d4b 10
embeddedartists 0:83b8ee8e8d4b 11 #include "PictureDemo.h"
embeddedartists 0:83b8ee8e8d4b 12
embeddedartists 0:83b8ee8e8d4b 13
embeddedartists 0:83b8ee8e8d4b 14 /******************************************************************************
embeddedartists 0:83b8ee8e8d4b 15 * Typedefs and defines
embeddedartists 0:83b8ee8e8d4b 16 *****************************************************************************/
embeddedartists 0:83b8ee8e8d4b 17
embeddedartists 0:83b8ee8e8d4b 18 #define RESET_FLAG \
embeddedartists 0:83b8ee8e8d4b 19 do { \
embeddedartists 0:83b8ee8e8d4b 20 if (abortTest) { \
embeddedartists 0:83b8ee8e8d4b 21 abortTest = false; \
embeddedartists 0:83b8ee8e8d4b 22 wait(0.04); \
embeddedartists 0:83b8ee8e8d4b 23 } \
embeddedartists 0:83b8ee8e8d4b 24 } while(false)
embeddedartists 0:83b8ee8e8d4b 25
embeddedartists 0:83b8ee8e8d4b 26 /******************************************************************************
embeddedartists 0:83b8ee8e8d4b 27 * Local variables
embeddedartists 0:83b8ee8e8d4b 28 *****************************************************************************/
embeddedartists 0:83b8ee8e8d4b 29
embeddedartists 0:83b8ee8e8d4b 30 static InterruptIn buttonInterrupt(P2_10);
embeddedartists 0:83b8ee8e8d4b 31 static DigitalOut led(LED1);
embeddedartists 0:83b8ee8e8d4b 32
embeddedartists 0:83b8ee8e8d4b 33 /******************************************************************************
embeddedartists 0:83b8ee8e8d4b 34 * Global variables
embeddedartists 0:83b8ee8e8d4b 35 *****************************************************************************/
embeddedartists 0:83b8ee8e8d4b 36
embeddedartists 0:83b8ee8e8d4b 37 EaLcdBoard lcdBoard(P0_27, P0_28);
embeddedartists 0:83b8ee8e8d4b 38 bool abortTest = false;
embeddedartists 0:83b8ee8e8d4b 39
embeddedartists 0:83b8ee8e8d4b 40 /******************************************************************************
embeddedartists 0:83b8ee8e8d4b 41 * Interrupt functions
embeddedartists 0:83b8ee8e8d4b 42 *****************************************************************************/
embeddedartists 0:83b8ee8e8d4b 43
embeddedartists 0:83b8ee8e8d4b 44 void trigger() {
embeddedartists 0:83b8ee8e8d4b 45 abortTest = true;
embeddedartists 0:83b8ee8e8d4b 46 }
embeddedartists 0:83b8ee8e8d4b 47
embeddedartists 0:83b8ee8e8d4b 48 /******************************************************************************
embeddedartists 0:83b8ee8e8d4b 49 * Main
embeddedartists 0:83b8ee8e8d4b 50 *****************************************************************************/
embeddedartists 0:83b8ee8e8d4b 51
embeddedartists 0:83b8ee8e8d4b 52 int main (void) {
embeddedartists 0:83b8ee8e8d4b 53
embeddedartists 0:83b8ee8e8d4b 54 EaLcdBoard::Result result;
embeddedartists 0:83b8ee8e8d4b 55 LcdController::Config lcdCfg;
embeddedartists 0:83b8ee8e8d4b 56 uint32_t frameBuf1;
embeddedartists 0:83b8ee8e8d4b 57
embeddedartists 0:83b8ee8e8d4b 58 printf("EA LCD Board Picture Demo\n");
embeddedartists 0:83b8ee8e8d4b 59
embeddedartists 0:83b8ee8e8d4b 60 // Listen for button presses
embeddedartists 0:83b8ee8e8d4b 61 buttonInterrupt.mode(PullUp);
embeddedartists 0:83b8ee8e8d4b 62 buttonInterrupt.fall(&trigger);
embeddedartists 0:83b8ee8e8d4b 63
embeddedartists 0:83b8ee8e8d4b 64 do {
embeddedartists 0:83b8ee8e8d4b 65 // framebuffer is put in SDRAM
embeddedartists 0:83b8ee8e8d4b 66 if (sdram_init() == 1) {
embeddedartists 0:83b8ee8e8d4b 67 printf("Failed to initialize SDRAM\n");
embeddedartists 0:83b8ee8e8d4b 68 break;
embeddedartists 0:83b8ee8e8d4b 69 }
embeddedartists 0:83b8ee8e8d4b 70
embeddedartists 0:83b8ee8e8d4b 71 result = lcdBoard.open(NULL, NULL);
embeddedartists 0:83b8ee8e8d4b 72 if (result != EaLcdBoard::Ok) {
embeddedartists 0:83b8ee8e8d4b 73 printf("Failed to open display: %d\n", result);
embeddedartists 0:83b8ee8e8d4b 74 break;
embeddedartists 0:83b8ee8e8d4b 75 }
embeddedartists 0:83b8ee8e8d4b 76
embeddedartists 0:83b8ee8e8d4b 77 result = lcdBoard.getLcdConfig(&lcdCfg);
embeddedartists 0:83b8ee8e8d4b 78 if (result != EaLcdBoard::Ok) {
embeddedartists 0:83b8ee8e8d4b 79 printf("Failed to get LCD configuration: %d\n", result);
embeddedartists 0:83b8ee8e8d4b 80 break;
embeddedartists 0:83b8ee8e8d4b 81 }
embeddedartists 0:83b8ee8e8d4b 82
embeddedartists 0:83b8ee8e8d4b 83 // Prepare 3 consequtive framebuffers (2 will be used for background buffers)
embeddedartists 0:83b8ee8e8d4b 84 frameBuf1 = (uint32_t)malloc(lcdCfg.width*lcdCfg.height*2 *3);
embeddedartists 0:83b8ee8e8d4b 85 if (frameBuf1 == NULL) {
embeddedartists 0:83b8ee8e8d4b 86 printf("Failed to allocate memory for the frame buffer\n");
embeddedartists 0:83b8ee8e8d4b 87 break;
embeddedartists 0:83b8ee8e8d4b 88 }
embeddedartists 0:83b8ee8e8d4b 89 memset((void*)frameBuf1, 0x0, lcdCfg.width*lcdCfg.height*2 *3);
embeddedartists 0:83b8ee8e8d4b 90
embeddedartists 0:83b8ee8e8d4b 91 result = lcdBoard.setFrameBuffer(frameBuf1);
embeddedartists 0:83b8ee8e8d4b 92 if (result != EaLcdBoard::Ok) {
embeddedartists 0:83b8ee8e8d4b 93 printf("Failed to activate frameBuffer: %d\n", result);
embeddedartists 0:83b8ee8e8d4b 94 break;
embeddedartists 0:83b8ee8e8d4b 95 }
embeddedartists 0:83b8ee8e8d4b 96
embeddedartists 0:83b8ee8e8d4b 97 PictureDemo pictureDemo((uint8_t *)frameBuf1, lcdCfg.width, lcdCfg.height);
embeddedartists 0:83b8ee8e8d4b 98 while (1) {
embeddedartists 0:83b8ee8e8d4b 99
embeddedartists 0:83b8ee8e8d4b 100 //Display Picture 1 for two seconds
embeddedartists 0:83b8ee8e8d4b 101 pictureDemo.run(1, 2000);
embeddedartists 0:83b8ee8e8d4b 102 RESET_FLAG;
embeddedartists 0:83b8ee8e8d4b 103
embeddedartists 0:83b8ee8e8d4b 104 //Display Picture 2 for three seconds
embeddedartists 0:83b8ee8e8d4b 105 pictureDemo.run(2, 3000);
embeddedartists 0:83b8ee8e8d4b 106 RESET_FLAG;
embeddedartists 0:83b8ee8e8d4b 107 }
embeddedartists 0:83b8ee8e8d4b 108 } while(0);
embeddedartists 0:83b8ee8e8d4b 109
embeddedartists 0:83b8ee8e8d4b 110 // Blink to indicate error
embeddedartists 0:83b8ee8e8d4b 111 while (1) {
embeddedartists 0:83b8ee8e8d4b 112 led = 0;
embeddedartists 0:83b8ee8e8d4b 113 wait(0.2);
embeddedartists 0:83b8ee8e8d4b 114 led = 1;
embeddedartists 0:83b8ee8e8d4b 115 wait(0.2);
embeddedartists 0:83b8ee8e8d4b 116 }
embeddedartists 0:83b8ee8e8d4b 117 }